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3.0 Electrical Information
3.1 Electrical Requirements
•
#HTK-EXT operates on 120 VAC, 60 Hz electrical
service. The current draw of this device is 1.72A.
•
Disconnect electrical service before servicing
3.2 Electrical Installation
•
The point of entry for electrical wiring into the
#HTK-EXT is on the rear of the termination cap
assembly. If you are mounting the termination cap
before electrical work can be completed, verify
there is enough space for access to the back side
of the termination cap to run the wiring through
the grommet and into the electrical box.
Figure 3.1, HTK-EXT Wiring Diagram
HTK-EXT
•
The provided on/off fan speed control switch is the only ap-
proved speed control switch for this device. If you choose to not
use the provided fan speed control switch, you may wire in an
on/off switch of your choice, but you cannot wire in any other
fan speed control. Ensure any other chosen switch meets the
electrical requirements of the system listed in section 3.1.
•
#HTK-EXT fan will generate sound during operation. The effects
of the increased sound level can be minimized with careful plan-
ning during installation of the system.
•
When wiring the provided on/off fan speed control, the leads
coming out of the switch will intercept with the hot wire leading
from the power source to the #HTK-EXT. Inside the #HTK-EXT
electrical box there will be (1) black, (1) white, and (1) green wire
leads to attach to the wiring ran from the power source.
11
Rev. 11 - April 2024
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