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Remote Thermostat
This unit must be controlled by a Class 2 remote control wall mounted heating and cooling thermostat.
Refer to the operating instructions of the thermostat being used on how to control the unit.
IMPORTANT
: The Zoneline thermostat connections provide 24 VAC only. If using a digital/electronic
wall thermostat, it must be set to the 24 VAC setting. See the Installation Instructions for the wall
thermostat.
NOTICE
: Damage to a wall thermostat or to the Zoneline electronics can result from
improper connections. Exercise extra attention when connecting
blue
and
black
wires. No line
voltage connections should be made to any circuit in the thermostat. Isolate all wires in building from
line voltage.
1. Thermostat connector harness is included with the unit. It is located behind the junction box cover.
2. Plug the thermostat connector into the user interface (UI). Follow the instructions included with the
thermostat to connect the thermostat to the unit.
Thermostat
Connector Harness
Junction Box
Cover
Maximum Wiring
Length for Thermostat
Connection to the Unit
66 ft. for AWG 18
60 ft. for AWG 20
40 ft. for AWG 24
AWG – American Wire Gauge
Use only Class 2 wiring
Thermostat Connector
7
C
W
Y
GH
GL
R
ye
llo
w
black
white
blue
gr
een
tan
re
d
6 5 4 3 2 1
B
Maximum Wiring
Length for Thermostat
Connection to the Unit
66 ft. for AWG 18
60 ft. for AWG 20
40 ft. for AWG 24
AWG – American Wire Gauge
Use only Class 2 wiring
Thermostat Connector
7
C
W
Y
GH
GL
R
ye
llo
w
black
white
blue
gr
een
tan
re
d
6 5 4 3 2 1
B
Thermostat
Connector
