SECTION 3 - HANDLING, STORAGE, AND INSTALLATIONPACE │ Installation & Assembly Manual
Issue Date: 07/03/2018
80
Form PA102.20-N1
WIRING THE ELECTRIC HEAT
DEVICE
It's the installer's responsibility to wire this device, if
the single point power was not purchased.
Power Options
The available power options are listed below:
• 460V-3PH
• 208/230V-3PH
• 380V-3PH
• 575V-3PH
Disconnect Switch Options
The available disconnect switch options are fused
and non-fused.
Knockouts are provided on the top and bottom of the
enclosure for field penetrations. Drill the foam panel
to utilize these knockout locations. Seal the penetra-
tions to prevent airflow or leakage. Refer to the ser-
vice manual for more information.
Use the following instructions to connect the discon-
nect switch:
1. Hook up the power, as shown in Figure 135 on
page 80. Terminals (shown) are for a 2-stage
24 VAC control interface, and may require a
120VAC control interface, based upon the op-
tions selected. Refer to the wiring diagram on
the inside cover of the electric heat control pan-
el for more information.
Figure 135 - Typical Electrical Heat Control Panel
Interior Wiring and Components
LD115934a
HIGH TEMPERATURE
CUTOUT
AIRFLOW PROVING
SWITCH
STAGING
CONTACTORS
CONTROL VOLTAGE
TRANSFORMER
MAIN
DISCONNECT
SWITCH
KNOCKOUTS
Figure 136 - Typical Field and Power Connections
LD11595
FIELD CONTROL
WIRING AND
INTERFACE
TERMINALS
MAIN
DISCONNECT SWITCH
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