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Turn off power supply to all indoor and outdoor units.
(1)
Remove the front panel (upper) and the electric heater
(2)
slot cover.
Electric heater slot cover
Front panel (upper)
Remove the circuit breaker mounting bracket from the
(3)
heater element in the electric heater kit by removing
the 2 screws. (Do not remove the harness)
* The HKR-03 and HKR-06 have no circuit breaker mount-
ing bracket, so proceed from the next step.
Circuit breaker mounting bracket
Heater element
Insert the heater element in the electric heater kit into the
(4)
electric heater slot, and use six of the screws taken out
in step (2) to install it. When doing so, check that airfl ow
is matched. Refer to the heater kit for details of airfl ow.
Install the circuit breaker mounting bracket removed
(5)
in step (3) into the blower deck.
* The HKR-03 and HKR-06 have no circuit breaker mount-
ing bracket; Procure and install a circuit breaker.
Connect the relay connector of the heater kit to the relay
(6)
connector of the product. Disconnect the empty connec-
tor connected to the relay connector of the product.
Check that the circuit breaker is turned off, and con-
(7)
nect the heater kit to the wiring on site.
Power supply wiring
HKR-05C, 08C, 10C
HKR-15C, 20C
Ground wire
* When using HKR-03, 06, connect the power supply wire to the
terminal block located inside the main unit of the heater element.
* When using HKR-03, 05C, 06, 08C, 10C, connect the ground
wire to the terminal block for indoor units. (The terminal block
is located on the air outlet side of the blower deck.)
* If the HKR-15C/20C is used, connect the ground wire to
the both terminals.
The terminal blocks for ground wire are located on the air
outlet side of the indoor unit blower deck and on the
circuit breaker mounting bracket of the electric heater kit.
Summary of Contents for FXTQ12PAVJU
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