Air Handlers
12
4.6 Electric Heater
The air handlers listed in this manual do not have factory installed electric heat.
Electric heat is available as an accessory. Please refer to installation instructions
provided with heater kit for the correct installation procedure.
Refer to the “installing electric heater” section of this manual and
the instructions provided with the heater kit for the correct installation procedure.
The electrical characteristics of the air handler, the electric
heater kit, and the supply power should be identical. This air handler does not have
factory installed electric heater. Electric heater is available as an accessory. If
installing this option, the only heater kits that can be used are the series as indicated
below.
4.6.1 Electric Heater Kits Available
SN.
Kit
Description
Ref. air handler
use(ton)
1
21-4216-00
Circuit breaker, 8kW heat strip
2.0/3.0
2
21-4217-00
Circuit breaker, 15kW heat strip
4.0/5.0
4.6.2 Electric Heater Kits Installation
(1) Ensure that all power supply is disconnected prior to installing the heater kit.
(2) A means of strain relief and conductor protection must be provided at the
supply wire entrance into cabinet.
(3) Use copper conductors only.
(4) Installation must follow national electric code and other applicable codes.
(5) If this appliance is installed in an enclosed area such as a garage or utility
room with any carbon monoxide producing appliance, ensure the area is
properly ventilated.
1) Refer to the Table for appropriate heater kit.
2) Check any physical damage, do not install damaged heater kit.
3) Remove the upper access panel from air handler.
4) Remove cover plate from air handler.
5) Slide the heater kit in to the slot and secure element plate with previously
removed screws.
Summary of Contents for TU24-24AADU
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