Fig. 2. Terminal Designations for Compressor.
M35655
J
R
C
Y
D
L
S1
S1
TERMINALS FOR 10K OHM TEMPERATURE SENSOR. CAN BE USED TO SENSE OUTDOOR TEMPERATURES WHICH WILL BE DISPLAYED
ON A COMPATIBLE RedLINK THERMOSTAT.
COMPRESSOR LINE FAULT TERMINAL. FAULT OCCURRENCE WILL BE COMMUNICATED TO COMPATIBLE RedLINK THERMOSTAT.
COMPRESSOR DEFROST TERMINAL. DEFROST OCCURRENCE WILL BE COMMUNICATED TO COMPATIBLE RedLINK THERMOSTAT.
O/B TERMINAL FOR REVERSING VALVE ON HEAT PUMP.
SECOND STAGE OF TWO STAGE COMPRESSOR.
FIRST STAGE OF TWO STAGE COMPRESSOR.
TERMINALS FOR 24VAC POWER.
TERMINAL FOR JUMPER. JUMPER BETWEEN J AND R SHOULD BE IN PLACE FOR COMPRESSOR USE.
THE “D” TERMINAL OPERATES AS AN INPUT FOR DEFROST. ACTIVE INPUT ON “D” TERMINAL WILL POWER AUX1. IF “D” TO AUX1 IS NOT DESIRED, DO NOT
CONNECT “D” TERMINAL TO THE ERM5220R. THIS FEATURE IS ONLY ACTIVE WHEN THE THE ERM5220R IS CONFIGURED FOR USE WITH A COMPRESSOR
TERMINAL DESIGNATIONS FOR COMPRESSOR
O/B
T
Y2
T
1
1
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