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Optima S Thermostat
31
Two Transformer Heat Pump System
RJP
RC
Y1
Y2
RH
C
G
L
W1
AX
W2
OB
Y2 Relay
Y1 Relay
W1 Relay
W2 Relay
Fan Relay
1
st
Compressor
2
nd
Compressor
Auxiliary Heat ing
Changeover Valve
Fan
AC_IN
AC_IN
POWER
SUPPLY
Heat ing Transformer
18-30 VAC
Transformer
18-30
VAC
Line
Volt age
Line
Volt age
M CU
Fault Det ect