13
Diagram 15:
Wiring at the Icebox PCB
LEGEND
A1 / A2
Relay coil terminals
L
Load (Active)
N
Neutral
NO
Normally Open
Q E P
Communication Terminals
R
Relay
T1
Return Air Temperature
T2
Coil Temperature
T2B
Suction Temperature
Field Wiring
Control Wiring
240 Wiring
Power Supply
240VAC, 50Hz
3-Core
shielded
cable
Communication cable from
Icebox to condenser. For
condenser connection refer to
Diagram 14.
2-Core cable
24VAC from heater
or programmable
thermostat
Note:
For installation requirements of the outdoor condenser refer to the installation manual
supplied with it.