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TABLE 2. TERMINAL REFERENCE
LABEL
NUMBER
NEW THERMOSTAT
TERMINAL
DESIGNATION FUNCTION
OLD THERMOSTAT
TERMINAL
DESIGNATION
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
(10)
(11)
(12)
(13)
G
C
L
R
O
B
E1
E2
Y1
Y2
W1
W2
W3
Fan Output
Transformer 24 VAC Common
(this terminal not used)
Transformer 24 VAC Hot
Changeover Output (Cooling)
Changeover Output (Heating)
Emergency Heat Relay (cycles on
1st stage in Emergency Mode)
Emergency Heat Relay (continually
energized in Emergency Mode)
Stage 1 Cool
(this terminal not used)
Stage 1 Heat (Compressor)
Stage 2 Heat (Auxiliary)
(this terminal not used)