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Table 1 Relay Configuration
RELAY
COMPR.
TIE-IN COMPR
HEAT
TIE-IN COND.
COND.
Table 2 Fuse List
Fuse
F1
F2
F3
Table 3 Terminal Configuration
TERMINAL
FUNCTION
1
Compressor clutch output
2
Tie-in compressor clutch output
3
Heat control relay output (optional)
4
Dash signal input
5
Ignition power input
6
Tie-in condenser power input
7
Tie-in compressor power output
8
Condenser power input
9
Condenser power output
Figure 2 Relay Board Layout
FUNCTION
Compressor clutch relay
OEM tie-in compressor clutch relay
Heat valve control relay
Tie-in condenser fan control relay
Condenser fan control relay
Description
Comp. Clutch fuse
Tie-in Comp. clutch fuse
Heat relay output fuse
EC3 Service Manual Jan. 8, 2008
Currant rating
10 amp
10 amp
10 amp
40 amp
40 amp
Rating
10 amp
10 amp
10 amp
2
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