Setting system flow heating 37 Product information 7 Setting system flow cooling 37 Features of Hydrolution 7 Commissioning HM270V without FDCW100VNX connected 37 Principle of operation Hydrolution 7 Checking external addition with electricity blocked 37 37 Checking external addition with electricity as reserve ...
Hot water alarm 106 Temperature sensor 107 Supply alarm 161 Sensor placement Data for sensor in FDCW100VNX 161 Troubleshooting guide Data for sensor in HM270V 161 3 - Thermal cutout 108 4 - OU power failure ...
When install the unit, be sure to check whether the selection of installation place, power supply specifications, usage limitation (piping length, height differences between indoor and outdoor units, power supply voltage and etc.) and installation spaces SAFETY PRECAUTIONS We recommend you to read this “SAFETY PRECAUTIONS” carefully before the installation work in order to gain full advantage of the functions of the unit and to avoid malfunction due to mishandling.
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Do not open the service valves for liquid line and gas line until completed refrigerant piping work, air tightness test and evacuation. If the compressor is operated in state of opening service valves before completed connection of refrigerant piping work, air can be sucked into refrigerant circuit, which can cause bust or personal injury due to anomalously high pressure in the refrigerant.
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・ Locations with heavy snow. (If installed, be sure to provide base flame and snow hood mentioned in the manual) ・ Locations where the unit is exposed to chimney smoke. ・ Locations at high altitude. (more than 1000m high) ・ Locations with ammonic atmospheres. ・...
Function The heat is retrieved from the outdoor air through outdoor unit (FDCW100VNX), where the refrigerant circulated in a closed Hydrolution is a system that can produce heating, hot water piping system transfers the heat from the heat source (outdoor and cooling.
For Home Owners Front panel, indoor module Front panel, indoor unit Addition. heat symbol Hot water symbol If the electrical addition is connected Hot water charging in progress. “I” Electrical step 1 Temporary Extra hot water operation in “A” progress. “II”...
For Home Owners Front panel, indoor module How to use the front panel All the most common settings are made from the panel such as been made (see page 11) and the installation in general is carried out according to the instructions. Menu 1.0 (the temperature in the water heater) is normally shown on the display.
For Home Owners Comfort setting heating Comfort setting heating General 1. “Auto” The indoor temperature depends on several factors. HM270V automatically selects the operating mode by that the operating mode switches between “Heating” and during the warmer parts of the year. “Hot water”.
For Home Owners Comfort setting heating Default Heating curve setting Setting with diagrams The diagram shows the relation between the outdoor air The basic heating is set using Menu 2.1.2 and with the temperature in the area and the target supply water temperature of the heating system.
For Home Owners Comfort setting heating Readjusting the default settings Comfort setting with room sensor may be necessary. outdoor air temperature but also by room air temperature. Cold weather conditions value is increased in Menu 2.1.2 by one increment. Lower limit of the outdoor air temperature to operate in Cooling curve”...
For Home Owners Comfort setting cooling Comfort setting cooling General to activate, change the setting on the Menu 9.3.3 Cooling system to “On”. NOTE the system. on both the room and the outdoor temperature. The lowest calculated supply water temperature is set in Menu 2.2.4. Cooling operated from the outdoor sensor in operating mode AutoC outdoor air temperature is greater or equivalent to the set start...
For Home Owners Comfort setting hot water Comfort setting hot water Extra Hot Water The integrated water heater is a coil model and is heated by circulating water, which is heated by the heat pump. During “normal” consumption it is enough to run the heat pump to supply the different tapping points of the house with to an adjustable level by the compressor (Menu 1.5) and then hot water.
Care must be exercised so that the heat pump is not scratched when cleaning. Avoid spraying water into the grilles or the sides so that water penetrates into FDCW100VNX. The climate system’s safety valve (FL2) must be completely cleaning agents.
For Home Owners Dealing with comfort disruption Dealing with comfort disruption water problems. Symptom Cause Action Low hot water temperature or a lack of hot Circuit or main MCB tripped. Check and replace blown fuses. water Heat pump and immersion heater do not heat. Check and replace any blown circuit and main fuses.
For Home Owners Dealing with comfort disruption The phenomena mentioned below are not malfunction. The air conditioning system sounds as if water is activated/deactivated during operation, or when the operation is stopped. These are the sounds of the draining from it. These sounds can be heard when the air conditioning system is performing automatic control.
For Home Owners Alarm indications Alarm indications Different types of alarms There are many monitoring functions integrated in Hydrolution To alert you to any malfunctions, the control computer transmits alarm signals that can be read from the front panel display. What happens in the event of an alarm? installer.
Installation Outdoor unit installation Outdoor unit installation PSB012D955C ◎This installation manual deals with outdoor units and general installation specifications only. For indoor units, refer to the respective installation manuals supplied with the units. ◎Read this manual carefully before you set to installation work and carry it out according to the instructions contained in this manual. Check before installation work [ Accessory ] Edging...
When the outdoor unit is positioned lower, 7m or less Outdoor unit 2) Determination of pipe size ● Determine refrigerant pipe size pursuant to the following guidelines based on the indoor unit specifications. FDCW100VNX Gas pipe Liquid pipe φ15.88 9.52 Outdoor unit connected Flare...
Installation Outdoor unit installation 3. DRAIN PIPING WORK ● Execute drain piping by using a drain elbow and drain grommets supplied separately as ○ There are 3 drain holes provided on the bottom plate of an outdoor unit to discharge optional parts, where water drained from the outdoor unit is a problem.
Installation Indoor unit installation Indoor unit installation General information Assembly Transport and storage existing floor drainage, most suitably in a utility room or HM270V can be transported vertically and must be stored boiler room. vertically and in dry conditions. foundation. Supplied components Outdoor sensor Straps for 1 phase connection...
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Installation Indoor unit installation Manual shunting When HM270V is set to emergency mode on the main 1. Depress and lock the button on the valve. 2. Turn the mixing valve to the desired position by hand. Knob Valve Recommended installation order Button Also see docking descriptions on page 27 and further on.
Installation Indoor unit installation Pipe installation Pump capacity diagram General dp [kPa] installed outside the heat pump to facilitate any future servicing. system and/or fan convectors. Install the supplied safety valve and manometer. 0,05 0,11 0,16 0,22 0,28 0,33 0,39 0,44 0,55 Flow ℓ/s...
Installation Indoor unit installation Connecting the hot water heater Connection of external heat source Connect an external heat source such as gas or oil boiler to necessary set of valves. To use these connections, the corresponding “Punchout” parts in the outer panel must be removed. Also cut off the insulation above the connections.
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Installation Indoor unit installation Dockings General Installation requirements Max pressure, climate system 0.25 MPa (2.5 Bar) Max temperature, climate system +65 °C Max temperature in HM270V +65 °C Max temperature from external heat source +65 °C Max supply temperature with compressor at outdoor temp -15°C +58 °C Min supply temperature cooling +7 °C...
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Installation Indoor unit installation Hydrolution with climate system and any addition MH-RG10 Distributionssystem Climate system Required safety Erf. säker- equipment hetsutr. BT 1 External heat source Tillsats Indoor unit Outdoor unit NOTE These are the outline diagrams. Actual installations must be planned according to applicable standards. - 28 -...
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Installation Indoor unit installation Climate system Radiator system Under floor heating systems Fan convector system GP10 GP10 GP10 Extra Extra Extra Extra system Extra system Extra system system system system volume volume volume volym volym volym Ö ö r l i t Ö...
Installation Indoor unit installation Electrical installation General Electrical components 5.5 mm 1 mm connected at the factory. (rear) (front) of the electricity supplier and under the supervision of a BT30 AA22 Open compressor operation. NOTE Electrical installation and service must be carried out Electrical installation and wiring must be carried out in accordance with the stipulations in force.
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Installation Indoor unit installation Connecting the supply Connection between HM270V and FDCW100VNX gland (UB1). The cable must be dimensioned according to the applicable norms. 1AC. 400 V 3NAC: Connect incoming supply according to the 230 V 1AC Cable holder markings.
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Installation Indoor unit installation Setting max power, electric heater (R25 on AA22) cables, shielded cable must be used. If a conduit is used it must be sealed to prevent condensation in the sensor capsule. Connecting the current limiter (factory setting). When the outdoor unit is in operation, maximum heater output When many electrical appliances are connected in the property at the same time as the electric heater is operating, there is a...
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Installation Indoor unit installation Connecting external contacts Docking specific connection HM270V is prepared to control an external circulation pump MH-RG 10, sensor for changing the room temperature source e.g. oil, gas or pellets. External circulation pump (GP10, accessory) NOTE circulation pump is installed. Contact for changing the room temperature An external contact such as a room thermostat or a timer can External mixing valve (EP21-QN11, accessory)
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Installation Indoor unit installation Summary of the function of Current External sensor External (3phase thermostat thermostat the terminals on PCB AA22 only) on timer on timer system 1 system 2 Tariff A Tariff B L1 L2 L3 Outdoor sensor Optional other than outdoor air sensor (BT1) and current sensor (L1, L2 and L3) 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17...
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Installation Indoor unit installation How to connect external circulation pump and heat source on X3 3 4a 4b 5a 5b How to connect external circulation pump How to connect external heat source 1 2 3 4a 4b 5a 5b 1 2 3 4a 4b 5a 5b Jumper wire on 2 and 3 must be...
Installation Start-up and inspection Start-up and inspection Preparations Commissioning FDCW100VNX Filling the climate system is on. HM270V 2. Connect a hose to the filling valve (QM1) and open the pressure. before setting it back to “1”. operating mode button for 7 seconds.
The inspection must be Outdoor air temperature (°C) above applies to closed heating systems. Setting system flow cooling Cleaning the particle filter Commissioning HM270V without FDCW100VNX connected HM270V operating mode button for 7 seconds. 8.3.1. Check the value in Menu 8.3.2.
Installation Start-up and inspection Secondary adjustment necessary. If gurgling sounds can be heard from HM270V or additional venting. pressure and all air eliminated) the automatic heating control - 38 -...
Installation Start-up and inspection Basic menu settings to be checked (Example) Extra system volume Overflow valve MH-RG10 BT 1 1. Initial settings Default value Check 8.1.2 Date Time 2. Heating settings Default value Check Heating curve 2.1.2 Knob Offset value can be set by the knob in the control panel. Value can be Offset heating checked in Menu 2.1.1 (2.1.1)
Control Start-up and inspection Checklist: Checks before commissioning Hot water Notes Checked Non-return valve Is it installed in right direction ? Safety valve Is it installed in cold water line ? Mixer valve Is it installed in right direction ? Heating Notes Checked...
Control Control Control Display Changing parameters Operating symbols Value of the current parameter I II III I II 5 0 . 0 ° C 13.43 Menu name Clock Menu number Key lock Example Menu types Menu management - 42 -...
Control Control Menu tree 1.0 [N] Hot water temp. 1.1 [N] Max HW/Peroid time 1.2 [N] Start temperature HW 1.3 [N] Stop temperature HW 1.4 [U] Stop temperature XHW 1.5 [U] Heat pump stop XHW 1.6 [U] Max heat p. time XHW 1.7 [U] Interval XHW 1.8 [U] Next XHW action 1.9 [U] HW run time...
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Control Control 2.0 [N] Supply temp. 2.1.0 [N] Heating settings 2.1.1 [N] Offset heating/Total 2.1.2 [N] Heating curve 2.1.3.0 [U] Own heating curve 2.1.3.1 [U] Supply temp.at +20 2.1.3.2 [U] Supply temp.at -20 2.1.3.3 [U] Buckling temperature 2.1.3.4 [U] Supply t. at buckl. 2.1.3.5 [U] Return 2.1.4 [U] Min supply heating 2.1.5 [U] Circ-pump speed heat...
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Control Control 3.0 [N] Supply temp. 2 4.0 [N] Outdoor temp. 3.1 [N] Offset heating/Tot 2 4.1 [N] Outdoor avg. temp. 3.2 [N] Heating curve 2 4.2 [U] Outdoor filter time 3.3 [U] Min supply temp. 2 4.3 [U] Outdoor avg. 1min. 3.4 [U] Max supply temp.
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Control Control 7.0 [N] Clock 8.0 [N] Other adjustments 7.1 [N] Date 8.1.0 [N] Display settings 8.1.1 [N] Menu type 7.2 [N] Time 8.1.2 [N] Language 7.3.0 [U] Temp set back 7.3.1 [U] Set back time 8.1.3 [N] Display contrast 7.3.2 [U] Set back temp +/- 8.1.4 [N] Light intensity 7.3.3 [U] Heating system...
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Control Control 9.0 [S] Service menus 9.1.0 [S] Heat pump settings 9.1.1 [S] DM start heating 9.1.2 [S] DM start cooling 9.1.3 [S] Stop Temp. heat low 9.1.4 [S] Stop Temp. heat high 9.1.5 [S] Stop Temp. cool low 9.1.6 [S] Stop Temp. cool high 9.1.7 [S] Time bet.
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Control Control 9.0 [S] Service menus 9.3.10.0 [S] Floor drying setting 9.3.10.1 [S] Floor drying 9.3.10.2 [S] Period time 1 9.3.10.3 [S] Temp. period 1 9.3.10.4 [S] Period time 2 9.3.10.5 [S] Temp. period 2 9.3.10.6 [S] Return 9.3.11 [S] Supply pump exer. 9.3.12 [S] Supply diff HP 9.3.13 [S] Diff HP add.
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Control Control 9.0 [S] Service menus 9.8.x.6 [S] Run time compressor 9.8.x.7 [S] Outdoor avg. 1min. 9.8.x.8 [S] Outdoor temp Tho-A 9.8.x.9 [S] Supply/Return temp 9.8.x.10 [S] Condensor out 9.8.x.11 [S] Hot water temp. 9.8.x.12 [S] CompFreq act/set 9.8.x.13 [S] Heat Ex Tho-R1 9.8.x.14 [S] Heat Ex Tho-R2 9.8.x.15 [S] Suction temp.
Control Control Main menus Menu 1.0 [N] Hot water temp. Menu 9.0 [S] Service menus Menu 2.0 [N] Supply temp. NOTE! These settings should only be made by persons with the necessary expertise. [N] Menu 3.0 [N] Supply temp. 2 [U] ...
Control Control 1.0 [N] Hot water temp. Menu 1.1 [N] Max HW/Period time Menu 1.10.0 [S] HW charge act/set Menu 1.10.1 [S] HW charge set temp Menu 1.2 [N] Start temperature HW Menu 1.3 [N] Stop temperature HW Menu 1.10.2 [S] Circ-pump speed HW Menu 1.10.3 [S] Circ-pump manual Menu 1.4 [U] Stop temperature XHW Menu 1.10.4 [S] HW reg min...
Control Control 2.0 [N] Supply temp. Menu 1.10.9 [S] HW reg value for xP Menu 2.1.0 [N] Heating settings Menu 2.1.1 [N] Offset heating/Total Menu 1.10.10 [S] Return Menu 1.11.0 [S] CompFreq HW settings Menu 2.1.2 [N] Heating curve Menu 1.11.1 [S] CompFreq HW set Menu 2.1.3.0 [U] Own heating curve Menu 1.11.2 [S] CompFreq manual Menu 2.1.3.1 [U] Supply temp.at +20...
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Control Control Menu 2.1.4 [U] Min supply heating Menu 2.2.3.3 [U] Return Menu 2.2.4 [N] Min supply cooling Menu 2.1.5 [U] Circ-pump speed heat Menu 2.2.5 [N] Circ-pump speed cool Menu 2.1.6 [N] Return Menu 2.2.6 [N] Return Menu 2.2.0 [N] Cooling settings Menu 2.3 [U] Max supply temp.
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Control Control 3.0 [N] Supply temp. 2 Menu 3.1 [N] Offset heating/Tot 2 Menu 3.6.1 [U] Supply temp.at +20 Menu 3.2 [N] Heating curve 2 Menu 3.6.2 [U] Supply temp.at -20 Menu 3.3 [U] Min supply temp. 2 Menu 3.6.3 [U] Buckling temperature Menu 3.6.4 [U] Supply t.
Control Control 4.0 [N] Outdoor temp. 5.0 [N] Heat pump Menu 4.1 [N] Outdoor avg. temp. Menu 5.1 [N] Number of starts Menu 5.2 [N] Run time compressor Menu 4.2 [U] Outdoor filter time Menu 5.3 [U] Time to start Menu 4.3 [U] Outdoor avg.
Control Control 6.0 [N] Room temperature* Menu 5.15.0 [S] OU communication Menu 6.1 [U] Room compensation Menu 5.15.1 [S] Com. error rate Menu 5.15.2 [S] Com. errors Menu 6.2 [U] Heating system Menu 5.15.3 [S] Reset com. errors Menu 6.3 [N] Room temp. setpoint Menu 5.15.4 [S] Return Menu 6.4 [U] Room temp avg.
Control Control 7.0 [N] Clock Menu 7.5.0 [U] Vacation set back Menu 7.1 [N] Date Menu 7.2 [N] Time Menu 7.3.0 [U] Temp set back Note! Menu 7.3.1 [U] Set back time Menu 7.5.1 [U] Vacation begins Menu 7.3.2 [U] Set back temp +/- Menu 7.5.2 [U] Vacation ends Menu 7.3.3 [U] Heating system Menu 7.5.3 [U] Heating system...
Control Control 8.0 [N] Other adjustments Menu 8.2.3 [U] Stop temp. heating Menu 8.1.0 [N] Display settings Menu 8.1.1 [N] Menu type [N] [U] Menu 8.2.4 [U] Start temp. cooling [S] NOTE Incorrect settings in the service menus can damage the property and/or heat pump.
Control Control Menu 8.3.7 [U] Return 9.0 [S] Service menus Menu 9.1.0 [S] Heat pump settings Menu 8.5.0 [U] Period settings Menu 9.1.1 [S] DM start heating Menu 8.5.1 [U] Period time Menu 9.1.2 [S] DM start cooling Menu 8.5.2 [U] Max time for HW Menu 9.1.3 [S] Stop Temp.
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Control Control Menu 9.1.8 [S] Min CompFreq act/set Menu 9.2.6 [S] Shunt amplification Menu 9.1.9 [S] Max CompFreq act/set Menu 9.2.7 [S] Shunt amplification2 Menu 9.1.10 [S] OU current act/max Menu 9.2.8 [S] Add. heat type Menu 9.1.11 [S] Tank defrost Temp. Menu 9.2.9 [S] Return Menu 9.3.0 [S] Operating settings Menu 9.1.12 [S] Return...
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Control Control Menu 9.3.6 [S] Room sensor type Menu 9.3.9 [S] Operating state Shutdown Alternating Menu 9.3.7.0 [S] Forced control Combined Mode Menu 9.3.7.1 [S] Forced control Cooling Super cooling Hot water Add heat only Menu 9.3.7.2 – 9.3.7.15 [S] K1 – K14 Menu 9.3.10.0 [S] Floor drying setting Menu 9.3.7.16 [S] Alarm 1 Menu 9.3.10.1 [S] Floor drying...
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Control Control Menu 9.3.11 [S] Supply pump exer. Menu 9.3.16 [S] Type of HW sensor Standard High temp Menu 9.3.12 [S] Supply diff HP Heating mode Menu 9.3.17 [S] Freeze protection HX Menu 9.3.18 [S] Return Cooling mode Menu 9.4 [S] Quick start Menu 9.3.13 [S] Diff HP add.
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Control Control Menu 9.5.7 [S] Program version Menu 9.6.3 [S] Max deltaF Menu 9.5.8 [S] 106-card version Menu 9.6.4 [S] CompFreq regP Menu 9.5.9 [S] Display version Menu 9.5.10 [S] Relay card version Menu 9.6.5 [S] Time min freq start Menu 9.5.11 [S] Lowest supply temp.
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Control Control Menu 9.8.x.1 [S] Time Menu 9.8.x.3 [S] Run status Menu 9.8.x.2 [S] Alarm type Menu 9.8.x.4 [S] Run status last Menu 9.8.x.5 [S] Run status time Alarm Cause Menu 9.8.x.6 [S] Run time compressor number TB alarm Menu 9.8.x.7 [S] Outdoor avg. 1min. OU power failure Menu 9.8.x.8 [S] Outdoor temp Tho-A Low condenser out...
System description Principle of operation Principle of operation Hydrolution Function Hydrolution is a system that can produce heating, hot water and cooling. outdoor air then compresses it, which increases the temperature the system. necessary. - 66 -...
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System description Principle of operation Heating operation mode [Alternating mode] QM31:open water use, the operation is switched to Hot water operation mode. QN11:B BA100% QM30:closed Electric heater is not energized Heating operation mode [Combined mode] the radiator circuit in order to adjust the hot water temperature QM31: open to reach target water temperature.
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System description Principle of operation Hot water operation mode QM31:closed QM30:open Electric heater is not energized Cooling operation mode to Hot water mode. Electric heater: Depends on the setting - 68 -...
System description General General Installation requirements Max pressure, climate system 0.25 MPa (2.5 Bar) Max temperature, climate system +65 °C Max temperature in HM270V +65 °C Max temperature from external heat source +65 °C Max supply temperature with compressor at outdoor temp - 15 °C +58 °C Min supply temperature cooling +7 °C...
System description General Explanation FDCW100VNX Tho-A Temperature sensor, outdoor air External Tho-D Temperature sensor, hot gas QN11 Mixing valve Tho-R1 Temperature sensor, heat exchanger out QN12 Shuttle valve for heating/cooling Tho-R2 Temperature sensor, heat exchanger, in Non-return valve Tho-S Temperature sensor, suction gas...
System description Radiators - only heating Radiators - only heating 4-way valve 63H1 High pressure switch Compressor motor Current sensor EEV-C Expansion valve, cooling EEV-H Expansion valve, heating FMo1 Fan motor Low pressure sensor Tho-A Temperature sensor, outdoor air Tho-D Temperature sensor, hot gas Tho-R1 Temperature sensor, heat exchanger out...
System description Underfloor heating and cooling Underfloor heating and cooling 4-way valve 63H1 High pressure switch Compressor motor Current sensor EEV-C Expansion valve, cooling EEV-H Expansion valve, heating FMo1 Fan motor Low pressure sensor Tho-A Temperature sensor, outdoor air Tho-D Temperature sensor, hot gas Tho-R1 Temperature sensor, heat exchanger out...
System description Fan convectors - heating and cooling Fan convectors - heating and cooling 4-way valve 63H1 High pressure switch Compressor motor Current sensor EEV-C Expansion valve, cooling EEV-H Expansion valve, heating FMo1 Fan motor Low pressure sensor Tho-A Temperature sensor, outdoor air Tho-D Temperature sensor, hot gas Tho-R1...
System description Dual system - heating and cooling Dual system - heating and cooling 4-way valve 63H1 High pressure switch Compressor motor Current sensor EEV-C Expansion valve, cooling EEV-H Expansion valve, heating EP21-BT2 Temperature sensor, supply 2 FMo1 Fan motor EP21-BT3 Temperature sensor, return 2 Low pressure sensor...
System description Underfloor heating and fan convectors- heating and cooling Underfloor heating and fan convectors- heating and cooling 4-way valve 63H1 High pressure switch Compressor motor Current sensor EEV-C Expansion valve, cooling EEV-H Expansion valve, heating EP21-BT2 Temperature sensor, supply 2 FMo1 Fan motor EP21-BT3...
System description External heat source External heat source Function with the compressor or with internal immersion heater heats. Accumulators and primary system design are dimensioned by...
System description External heat source Wood Function are produced by the heat pump or by internal electric heater according to the selected operating mode. Accumulators and primary system design are dimensioned by...
Service Operation control function by the indoor unit controller Operation control function by the indoor unit controller Operation mode General Mode Function Auto he mode is automatically switche betwee (3 Heating mode and (5) Hot water operation mode. Automatic switching rule is mentioned below. (2) AutoC he mode is automatically changed amon (3) Heating mode, (4) Coolin and (5 Hot water mode.
Service Operation control function by the indoor unit controller Mode transition in Auto/AutoC mode °C. °C. Heating Hot Water Cooling (AutoC mode only) Threshold value of outdoor Threshold value of outdoor air temperature (Menu 8.2.3) air temperature (Menu 8.2.4) Hysteresis (Menu 8.2.5) Mode transition by outdoor air temperature Mode transition in Auto/AutoC mode with room sensor (MH-RG10) used Indoor air temperature (°C)
Service Operation control function by the indoor unit controller Exceptional case of mode transition temperature (BT1) drops below 0°C. supply water temperature is kept at the lowest allowable temperature. the circulation pump operates at all time. supply water exceeds its lowest allowable temperature plus 1°C. - 84 -...
Service Operation control function by the indoor unit controller Supply water temperature control in heating Heating curve outdoor air temperature condition. HEATING CURVE VÄRMEKURVA 15 14 13 12 - 10 - 20 - 30 - 40 Outdoor air temperature FÖRSKJUTNING UTETEMPERATUR VÄRMEKURVA (0) OFFSET HEAT CURVE...
Service Operation control function by the indoor unit controller Upper / Lower limit of the supply water temperature Upper and lower limit is set after various offset correction. water temperature is shown in full line and dotted line respectively. Heating curve A Max supply temp in Menu 2.3 (Menu 3.4 for system2) Min supply heating in Menu 2.1.4...
Service Operation control function by the indoor unit controller Heating thermo-ON / OFF control DM (Degree-Minutes) value Operation state transition according to DM value Default of DM start add. heat value (Menu 9.2.1) is -400. Electric heater ON Compressor OFF Electric heater OFF Compressor ON Alternating mode...
Service Operation control function by the indoor unit controller Exceptional processing of DM value Forced outdoor unit operation Forced combined mode operation Forced outdoor unit stop immediately if there is no hot water demand. Exceptional compressor speed control Forced minimum compressor speed operation - 88 -...
Service Operation control function by the indoor unit controller Supply water temperature control in coonling Cooling curve can be adjusted in Menu 2.2.2. °C °C Outdoor air temperature Upper/Lower limit of the supply water temperature supply water temperature set in Menu 2.2.4 and 2.3. Upper and lower limit is set after various offset correction.
Service Operation control function by the indoor unit controller Cooling thermo-ON / OFF control DM (Degree-Minutes) value Operation state transition according to DM value Compressor OFF Compressor ON DM value DM start cooling (Menu 9.1.2) Exceptional processing of DM value Forced outdoor unit operation actual supply water temperature.
Service Operation control function by the indoor unit controller Hot water operation control ON/OFF control Compressor speed control CompFreq HW Menu 1.11.4 CompFreq at -5°C (80rps as default) Menu 1.11.3 CompFreq at +20°C (40rps as default) -5°C 20°C Outdoor air temperature (°C) Hot water operation during alternating mode to cover both demands.
Service Operation control function by the indoor unit controller Timing chart of DM value and supply water temperature During this period, target water temperature is Water temperature (Menu 9.6.7)-1.5°C Overshoot upper limit (Menu 9.6.7) Target water temperature by heating curve During Combined mode, target supply water temperature is set at 1K lower than the actual Actual supply water temp.
Service Operation control function by the indoor unit controller Protection control Current protection 1) Maximum current limit control for the outdoor unit (by indoor unit control) current. 2) Maximum current limit control for electric heater or other heat source This function is available for 3phase connection only. level.
Service Operation control function by the outdoor unit controller Operation control function by the outdoor unit controller Determination of compressor speed (frequency) Operation mode Cooling Heating Maximum required frequency Minimum required frequency 20rps Outdoor air temperature Maximum required frequency Outdoor air temperature Minimum required frequency Minimum required frequency adjustment under outdoor air temperature (Tho-A) condition Outdoor air temperature is lower than 0°C...
Service Operation control function by the outdoor unit controller Compressor soft start control Compressor protection start I [Control contents] a) Start the compressor at A C rps. B rps and compressor is kept operation at Operation Mode A rps B rps C rps Compressor protection start III [Control condition] The initial start-up of the compressor after the power circuit breaker ON...
Service Operation control function by the outdoor unit controller Control B Control A Outdoor air temperature (°C). [Control A] (Tho-A)-(Tho-R) Fan speed Reduced by 10 rpm Retained Increased by 10 rpm [Control B] Fan speed More than 1.1MPa Reduced by 10 rpm 1.0MPa or more but 1.1MPa or less Retained Less than 1.0MPa...
Service Operation control function by the outdoor unit controller continuously for 10 seconds. Control contents the defrost condition B. It is 30 minutes at SW3-1 OFF (factory default) Protective control/ anomalous stop control by compressor speed (frequency) Protective control Reduce compressor speed at every 1minute Retention Release...
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Service Operation control function by the outdoor unit controller Protective control pressure. Reduce compressor speed at every 1minute Control value A Reset 54-60°C Outdoor heat exchanger temperature (°C) Anomalous stop control Compressor stop Compressor operation Outdoor heat exchanger temperature (°C) Reset of anomalous stop mode from the controller Protective control...
Service Operation control function by the outdoor unit controller compressor stops. anomalous stop mode. ① minutes. ② Protective control controlled to restrain the drop of pressure. Reduce compressor speed at every 30 seconds Retention Reset 0.150 0.189 Low pressure (MPa) Anomalous stop control stops.
Service Operation control function by the outdoor unit controller I, Ⅱ speed (frequency) is controlled in order to protect the inverter. (Fig. C) The control value “A” and the reset value vary depending on the compressor speed. Reduce compressor speed at every 1minute Control valve A Retention...
Service Operation control function by the outdoor unit controller 13) Broken wire detection on temperature thermistor and low pressure sensor ・ ・ Outdoor air temperature thermistor (Tho-A): -30°C or lower ・ ・ ・ 14) Fan motor error If the outdoor fan speed is detected 100rpm or lower for 30 seconds continuously under the outdoor fan control mode enters the anomalous stop mode.
Service Alarm list Alarm list Alarm with automatic reset Alarm Alarm text on the Triggers alarm Resets alarm display When condenser supply (BT12) is less than 5°C. When condenser supply is greater than 14°C. Low condenser out High KF When condenser supply is greater than 60°C and When condenser supply is lower than 51°C.
- Defective control PCB in FDCW100VNX Also see the troubleshooting guide on page 119. S. fault Tho-A Sensor fault, outdoor air sensor in FDCW100VNX - Open-circuit or short-circuit on sensor input (Tho-A). - Sensor does not work (see “Temperature sensor”...
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- Defective control PCB in FDCW100VNX Also see the troubleshooting guide on page 124. Fan alarm Deviations in the fan speed in FDCW100VNX. - The fan must not rotate freely - Defective control PCB in FDCW100VNX - Defective fan motor...
Alarm text on the Description May be due to display S. fault LPT Sensor fault, low pressure sensor in FDCW100VNX. - Open-circuit or short-circuit on sensor input - Sensor does not work (see “Temperature sensor” section) - Defective control PCB in FDCW100VNX - Fault in the refrigerant circuit Also see the troubleshooting guide on page 130.
Service Alarm list Supply alarm Alarm Alarm text on the Description May be due to display High VBF1 Too high temperature (>90°C) on flow line sensor, - Sensor does not work (see “Temperature sensor” system 1 (BT2). section) Also see the troubleshooting guide on page 114. High VBF2 Too high temperature (>90°C) on flow line sensor, - Sensor does not work (see “Temperature sensor”...
Service Troubleshooting guide Troubleshooting guide 3 - Thermal cutout Measure the voltage through the temperature limiter (FD1). Can it be reset mechanically when Replace temperature Has the temperature limiter been the temperature is < 80°C? limiter. mechanically tripped? Was the hot water temperature Check the characteristics of the immersion heater greater than 90°C when the alarm...
Service Troubleshooting guide 4 - OU power failure Is the voltage supply OK? Check supply power voltage. Has miniature circuit breaker FA2 Turn on the breaker. tripped? Check contactor QA10 and wiring to the outdoor unit. - 109 -...
Service Troubleshooting guide 5 - Low condenser out Are the characteristics of the condenser Replace the sensor. out sensor (BT12) OK? Is the service valve on the Open it. water line open? Is the valve(s) (QM31 or QN11) Is the operation signal of the Replace the indoor relay board AA6.
Service Troubleshooting guide 6 - High condenser out Are the characteristics of the condenser out Replace the sensor. sensor (BT12) OK? Check the flow over heat exchanger EP2 and settings for heating and hot water. - 111 -...
Service Troubleshooting guide 7 - Anti freeze HX Is the low pressure sensor Does the low pressure saturated temperature on the outdoor unit corrected Plug in the connector surely. correspond to the liquid line temperature (BT15)? properly? If the phenomena persists, Is the valve of the refrigeration Open it.
Service Troubleshooting guide 8 - High HW temp. 9 High AH temp. Is the characteristics of the sensor Peplace the sensor(s) (BT6, BT19) correct? Is there an external heat source? Is the heat source correctly set? Check the heart source. Check the contactors QA1, QA2, QA3 and replace if necessary.
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Service Troubleshooting guide 10 - High Supply temp. 1, 11 High Supply temp. 2 Is the supply water temperature sensor for the relevant system correctly Connect it correctly. connected? Are the characteristics for the sensor OK? (See “Temperature Defective sensor - replace. sensor”...
Service Troubleshooting guide 31 - S. fault HP Is the pressure sensor (BP4) Connect it correctly correctly connected? Is the saturated temperature of Does the pressure (external meter) balanced pressure same or similar Replace the refrigerant. correspond with the value to the outdoor air temperature displayed in the indoor unit? when the outdoor unit is stopping.
Service Troubleshooting guide 30 - S. fault Outdoor, 32 - S. fault Cond out, 33 - S. fault Liquid line, 34 - S. fault HW, 35 - S. fault AH, 36 - S. fault supply 1, 37 - S. fault supply 2 Is the actual sensor correctly Connect it correctly.
Service Troubleshooting guide E35 - High HX temp Are the characteristics of the heat exchanger sensor (Tho-R1, R2) Replace defective sensor. - Is the air circulation at the outdoor Is the air circulation around the unit obstructed? outdoor unit done properly? - Is the installation space sufficient? - Is the heat exchanger clogged? Is the high pressure protection control...
Service Troubleshooting guide E36 - Permanent Hotgas Are the characteristics of the Replace defective sensor. hot gas sensor (Tho-D) OK? Does the fault also occur during Insufficient amount of refrigerant. cooling? Recharge it. Does the discharge pipe temperature Check the operation data with logging tool.
Service Troubleshooting guide E37 - S. fault Tho-R Is the heat exchanger’s temperature sensor (Tho-R1, R2) correctly Connect it correctly. connected? Are the characteristics of the heat Defective sensor - replace. exchanger’s temperature sensor (Tho-R1, R2) OK? Replace the control PCB. - 119 -...
Service Troubleshooting guide E38 - S. fault Tho-A Is the outdoor sensor (Tho-A) Connect it correctly. correctly connected? Are the characteristics of the Defective sensor - replace. outdoor sensor (Tho-A) OK? Replace the control PCB. - 120 -...
Service Troubleshooting guide E39 - S. fault Tho-D Is the hot gas sensor (Tho-D) Connect it correctly. correctly connected? Are the characteristics of the hot Defective sensor - replace. gas sensor (Tho-D) OK? Replace the control PCB. - 121 -...
Service Troubleshooting guide E40 - HP alarm If the voltage supply to the outdoor unit is switched off and on too quickly, E40 may be displayed. This is normal. Are the service valves fully open? Open the service valves. Has the high pressure switch Is the high pressure switch Connect the switch correctly.
Service Troubleshooting guide E42 - Current cut Is the voltage supply OK? Check supply power voltage. Open the service valves. Are the service valves open? Is the high pressure during Check the amount of refrigerant. operation OK? Check the refrigerant circuit. Are the checks of the insulation resistance and the coil’s resistance Replace the compressor.
Service Troubleshooting guide E45 - Inverter communication error Is the connection between the control PCB and the inverter Correct the connection. PCB ok? Are JSW10, 11 on the inverter Set JSW10, 11 to open. PCB all set to open? Check why the inverter PCB has Does the LED on the inverter PCB no power.
Service Troubleshooting guide E48 - Fan alarm Is there any foreign material Remove foreign material. obstructing the fan propeller? Replace the fan motor. If the Does the fan rotate freely when it is resistance between turned by hand? lower, the motor is defective. Is there DC280V between (CNFAN (red) - (blue) on the fan motor’s connection?
Service Troubleshooting guide E49 - LP alarm Is the low pressure sensor Correct it. correctly connected? Check the value on the low pressure sensor, via indoor unit, in: (1) stationary compressor, (2) compressor operation. Is the value around 0 MPa, without significant change, both in states (1) and (2)? Check the insulation resistance on...
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Service Troubleshooting guide Cont’d from previous page Are the service valves fully open? Open the service valves. Are the connections to the low pressure sensor and sensor for Connect it. suction gas temperature OK? Defective low pressure sensor Are the characteristics of the low pressure sensor and sensor for or sensor for suction gas temperature - replace.
Service Troubleshooting guide E51 - Inverter and fan motor error Is the voltage DC 15 V between the Replace the inverter PCB. contacts CNI4:2-3 on the inverter PCB? Is the voltage DC 15 V on the Defective cable between control control PCB side after the contact PCB and inverter PCB.
Service Troubleshooting guide E53 - S. fault Tho-S Is the sensor for the suction gas temperature (Tho-S) correctly Connect it. connected? Are the characteristics for the Replace the sensor. suction gas sensor OK? Replace the control PCB. - 129 -...
Service Troubleshooting guide E54 - S. fault LPT Is the low pressure sensor Connect it. correctly connected? Does the pressure (external meter) Check the amount of refrigerant. correspond with the value Check the refrigerant circuit. displayed in the indoor unit? Replace the low pressure sensor.
Service Information about the installation E57 - Low refrigerant Are the service valves fully open? Open the service valves. Is the connecton of the sensor for indoor heat exchanger Correct it. temperature (BT15) or for inlet water temperature (BT3) OK? Defective the sensors for Are the characteristics of the indoor heat exchanger...
Service Information about the installation E59 - Inverter error Disconnect the outdoor fan motor connector and try to startup Does compressor startup? Is power supply voltage OK? Check power supply. Check refrigerant amount and Is the pressure balance at starting refrigerant circuit.
Temperature sensor, heat exchanger out 21.93 4.12 Tho-R2 Temperature sensor, heat exchanger in 16.62 3.90 Tho-S Temperature sensor, suction gas 12.71 3.65 9.81 3.38 Data for sensor in FDCW100VNX 7.62 3.09 5.97 2.80 Tho-D 4.71 2.50 3.75 2.22 3.00 1.95 2.42 1.70...
Service Function check, components Function check, components HM270V Relay test - forced control Control conditions output is active or inactive. WARNING! Forced control must only be used by users familiar with the system. When forced control is activated, the alarm functions are disabled.
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Service Function check, components Relay functions Relay Component Name Status Function Connection Circulation pump, climate system -GP1 X1:2 K2, K3 Shuttle valve for Cooling/heating -QN12 K2-0, K3-0 K2-0, K3-1 X1:4 -QN11 Open Mixing valve X1:13 -QN11 Close Mixing valve X1:14 Reversing valve, climate system -QM31 Closed...
Service Component replacement FDCW100VNX Fan and fan motor (FM01) 1 Remove the four screws and then the fan grille. 4 screws 2 Remove the nut and then the fan propeller. 1 nut 3 Disconnect contact CNFAN1. 5 clamps 4 Detach the five clamps and cut off both straps.
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Service Component replacement Fan and fan motor (FM01) 5 Remove the four screws. 6 Remove the fan motor. 4 screws Compressor (CM) 1 Remove the service hatch, top 4 screws (short) panel and front hatch. 2 Remove the four short and four long screws.
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Service Component replacement Compressor (CM) 4 Remove the nine short and one long screw. 5 Remove the side panel and the rear panel. 2 screws (short) 7 screws (short) Rear panel 1 screw (long) Side panel 6 Remove the top section of the compressor insulation.
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Service Component replacement Compressor (CM) 10 Cut off the two straps and pull Tho-D out the sensor (Tho-D). 11 Cut off the two straps and dis- connect the contactors as illustra- ted. CNFAN1 2 straps 2 straps 12 Disconnect the contacts asillus- trated.
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Service Component replacement Compressor (CM) 14 Remove the four screws. 15 Remove the control unit. 2 screws 2 screws 16 Remove the compressor’s insu- lation. 17 Unscrew the ground cable. 18 Remove the compress or heater. 19 Remove the bolts holding the compressor.
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Service Component replacement Compressor (CM) 20 Disconnect the pipes for sucti- on gas and hotgas. 21 Remove the compressor. Pipe S (suction Pipe S (hot gas) gas) Control board (PWB1) 1 Remove the screw. 2 Cut off the two straps. 1 screw 2 straps - 143 -...
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Service Component replacement Control board (PWB1) 3 Remove all contacts. CNA2 CNA2 CNW2 CNW2 CNA1 CNA1 CNI3 CNFAN1 CNFAN1 CNI3 CNI1 CNI1 CNEEV2 CNEEV2 CNEEV1 CNEEV1 CNTH CNTH CNIP CNPS CNIP CNPS 4 Remove the six supports. 5 Remove the control PCB. supports Support - 144 -...
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Service Component replacement Inverter board (PWB2) 1 Remove the seven screws. 2 Remove the control panel for 1 screw inverter PCB. 6 screws 3 Disconnect the contacts (CNI2, Control panel PWB2 CNI4, CNACT1). 4 Remove the nine screws. CNI2, CNI4 CNACT1 To the compressor 5 Remove the nine supports.
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Components Component replacement Filter board (PWB3) 1 Remove the six screws. 2 Disconnect the contact. 6 screws Contact 3 Remove the five supports. 4 Remove the noise filter PCB. 5 supports...
Components HM270V HM270V Circulation pump (GP10) Dimensions General NOTE The pump must not be operated dry, as this damages the bearings extremely quickly. Electrical connections When the electrical connection is correct, the indicator lamp illuminates green continuously. Disassembly - 148 -...
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Components HM270V Troubleshooting Indicator lamp Cause Action The pump is not connected or is incorrectly - Check the connection. connected. - Power failure. Check power supply and fuses. 1 × short + 1 × long Low voltage. - Check supply voltage. 3 ×...
Components HM270V Shuttle valves (QM30, QM31, QN11) Actuator on 3 way valve Actuator on 2 way valve Flow B - AB = 0 % B - AB = 100 % Flow B - A = 100 % B - A = 0 % A - AB = 100 % A - AB = 0 % - 150 -...
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Components HM270V Technical data 2 way valve Technical specifications actuator V415B LR230A-002 LI AC 100-240 V Connection Voltage Length 74 mm Frequency 50/60 Hz KVS value Output 1.5 W Electrical connections 3 × 0.75 mm Run time 35 s / 90 ° Dimension 2 way valve Dimension actuator Technical data 3 way valve...
Temperature sensor, heat exchanger out 29.20 4.31 Tho-R2 Temperature sensor, heat exchanger in 21.93 4.12 Tho-S Temperature sensor, suction gas 16.62 3.90 12.71 3.65 Data for sensor in FDCW100VNX 9.81 3.38 7.62 3.09 Tho-D 5.97 2.80 4.71 2.50 3.75 2.22 3.00 1.95...
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Technical data Component positions List of components Miscellaneous Cable gland Pipe connections Cable gland Climate system supply Rating plate Climate system return Serial number plate Cold water Sign, pipe connections Hot water Docking in Docking out XL13 Liquid line refrigerant XL14 Gas line refrigerant XL15...
Technical data Component positions Outdoor unit Component image PWB3 PWB1 PWB2 63H1 FMo1 QM35 QM36 EEV-H EEV-C List of components Solenoid for 4-way valve High pressure switch 63H1 Compressor motor EEV-C Expansion valve, cooling EEV-H Expansion valve, heating FMo1 Fan motor Low pressure sensor Control PCB PWB1...
Technical data Dimensions Outdoor unit Gas piping Gas pipe Liquid piping Liquid pipe Liquid pipe Liquid piping Gas piping Gas pipe Cable gland Opening for Opening for piping Opening for pipe and Opening for pipe and piping and and electric wiring wiring electric wiring wiring...
50 A 16 A Starting current Incoming supply, deviation -15 – +10 % Refrigerant quantity (R410A) 2.9 kg (included in FDCW100VNX) Max. length, refrigerant pipe, one way 12 m Max height difference, refrigerant pipe Dimensions, refrigerant pipe Gas pipe: OD15.88 (5/8”) Liquid pipe: OD9.52 (3/8”)
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Weight, packaging 10 kg Volume with packaging 1.1 m 230 V 1AC 50 Hz or Electrical connections 400 V 3NAC 50 Hz FDCW100VNX Compressor Twin Rotary Speed, heating 25–85 Hz (rps) Speed, cooling 20-80 Hz (rps) Fan flow (heating, nominal)
Technical data Operating temperature range Operating temperature range Heating Outdoor air temperature (°C) Cooling Outdoor air temperature (°C) - 169 -...
Technical data Capacity diagram Capacity diagram Heating Outdoor air temperature (°C) Condition Supply water temperature : 45ºC Return water temperature : 40ºC Cooling Outdoor air temperature (°C) Condition Supply water temperature : 7ºC Return water temperature : 12ºC - 170 -...
Technical data Accessories Accessories Accessories MH-RG 10 Drain Pan heater VCC22 Drain pan heater to outdoor module Room sensor. Reversing valve, cooling for operation in colder climates. Part no. MCD291A001 Part no. MCD291A002 Part no. PCZ006A033 ESV 22 ACK22 Extra mixing valve group. Cable kit for ESV 22 or VCC 22.
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AIR TO WATER HEAT PUMP Air-Conditioning & Refrigeration Systems Headquarters 16-5, 2-chome, Kounan, Minato-ku, Tokyo, 108-8215, Japan Fax : (03) 6716-5926 Because of our policy of continuous improvement, we reserve the right to make changes in all specifications without notice.