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©2017 ZONEFIRST®
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Zone Thermostats
– The thermostats wiring will be for
Conventional single stage (Y-G-R-W-C) or Heat Pump (Y-G-
R-E-C and O or B). See Wiring Diagram 1 and 2 each type of
thermostat.
WIRING DIAGRAM 1
–
Conventional Thermostats
WIRING DIAGRAM 4 -
HVAC Equipment
– Dual Fuel
Heat Pump with Fossil Fuel Back-Up
ZONE THERMOSTAT
C W R Y G
E
G
Y
R
W/OB
C
WIRING DIAGRAM 5
–
Single Speed Compressor
WIRING DIAGRAM 2
–
Heat Pump Thermostat
ZONE THERMOSTAT
C O/B R Y G E
E
G
Y
R
W/OB
C
WIRING DIAGRAM 6
–
Two Speed Compressor Heat
Pump
WIRING DIAGRAM 3 -
HVAC Equipment
– Up to Two
Stage Heating and Single Stage Cooling
