Digital Monitoring Products SecureCom Smart Z-5010T, Installation And Programming Manual

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6 Z-5010T Installation and Programming Guide | Digital Monitoring Products, Inc.
TERMINAL FUNCTION TYPICAL WIRE COLOR*
C
24 VAC common.
Do not connect if batteries installed.
Blue or black
R
24 VAC return.
Do not connect if batteries installed.
Red
RC
24 VAC return; power for cooling on dual
transformer system.
Do not connect if batteries installed.
Red
RH
24 VAC return; power for heating on dual
transformer system.
Do not connect if batteries installed.
Red
Y or Y1 Controls cooling/compressor; first stage cooling Yellow
Y2 Second stage cooling Varies
W or W1 Controls heating; first stage heating White
W2 Second stage heating; auxiliary Varies
G Fan Green
O or B Changeover with cool (O) or heat (B) Orange or blue
*Color alone is not a reliable indicator of wire purpose.
Table 1: Thermostat Terminal Functions