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Installation
c. Reconnect the thermostat wire terminal block
that was removed in Step 2(d) to the motor
control board.
d. There are four wire leads (Yellow, Purple, Red,
and Blue) with insulated female quick
connections attached at one end in the heater
electrical box. Route these wires from heater
electrical box to the air handler electrical box
and connect these wires to the motor control
board according to Table 2.
Table
2r Only)
Heater Box
Yellow
Blue
Red
Purple
sTeP 10: THERMOSTAT WIRE CONNECTIONS
a. Ensure that two low voltage wires are available
from the thermostat to make the "W1" and
"EM" connections. If these wires are not
located, they will need to be pulled and routed
from the back of the thermostat to motor
control board in the heater electrical box.
b. Strip the insulation off of the "W1" and "EM"
wires and insert into the thermostat control
wire block on the motor control board. Connect
the other end of the wires to the back of the
thermostat to the supplemental and emergency
heat terminals. Reference the user's manual for
the thermostat for proper connection.
sTeP 11: Use the ground lug provided in the heater
control box to connect the field ground from the
power supply.
Revised 05-13
Heat Pump Box
R
C1
W1
EM
Caution
Subject to change without prior notice
sTeP 12: Remove the wiring diagram that is
adhered to the back side of the front panel. Replace
with the wiring diagram that was included with the
heater kit. Using a spray adhesive glue is
recommended.
sTeP 13: Place the adhesive back heater data label
on top of the existing data tag as the new
information will replace the existing information.
sTeP 14: RESTORING POWER AND TURNING ON
THE UNIT
a. Turn on the disconnect switch or breaker
switch to the "ON" position for the air handler.
b. Test the unit in "COOLING" and "HEATING" to
ensure that full functionality of the unit has
been restored.
c. Run the split system in heating mode with the
heating elements engaged for at least 10
minutes to ensure the unit does not shut down
due to any temperature limiting device.
sTeP 15: Install the cover on the heater electrical
box and reinstall the air handler access panel(s)
with the screws that were set aside in Step 1(g).
Always contact your local distributor if there is
ever any doubt
6 720 220 328
HK Series
13
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