Remotec ZTS-110 V3.12 User Manual Page 9

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Figure 5. Heat pump HVAC system wiring
Figure 6. Non-heat pump 2-wires system wiring
Figure 7.Heat pump 2-wires system wiring
Thermostat should be powered by batteries and support heating control only.
Thermostat should be powered by batteries and support heating control only.
For heat pump output, there is a 3 minutes off time for heat pump protection.
8
Heat Pump HVAC System
O - Cool changeover (heat pump)
B - Heat changeover (heat pump)
nd
W2 - 2 stage heater
G - Fan
Y - Compressor
R - 24Vac Power
C - 24Vac Common
O
B
W2
W1
G
Y
RC
RH
C
Brown
Green
Yellow
Red
Black
Blue
Orange
ELECTH
HPUMP
J2
ELECTH
HPUMP
J2
Y - Compressor
R - 24Vac Power
O
B
W2
W1
G
Y
RC
RH
C
Yellow
Red
HG
HE
J1
HG
HE
J1
ELECTH
HPUMP
J2
st
W1 - 1 stage heater
R - 24Vac Power
O
B
W2
W1
G
Y
RC
RH
C
White
Red
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