Air Handlers
13
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.
6) Insert power leads into the circuit breaker lugs or stripped red and black wires
(for heater kit without circuit breaker) and tighten.
7) Connect ground wire to ground lug.
8) Knock off appropriate area of the plastic circuit breaker cover on the access
panel of the air handler. Knock off the holes according to the actual installation
number and positions of circuit breakers. If circuit breaker is not installed, do not
knock off the holes; otherwise, electric shock may occur.
9) Replace access panel and check operation.
