Magic-Pak HWC12P Series User manual

508094-03 Issue 2208 Page 1 of 2
Save these instructions for future reference
INSTALLATION INSTRUCTIONS
HWC12P*/13P*
MAGICPAK CHASSIS
*508094-03*
*508094-03*
Manufactured By
Allied Air Enterprises LLC
A Lennox International, Inc. Company
215 Metropolitan Drive
West Columbia, SC 29170
This manual must be left with the homeowner for future reference.
This is a safety alert symbol and should never be ignored. When you see this symbol on labels or in manuals, be alert to
the potential for personal injury or death.
Parts List
Quantity Part
1Wiring Diagram Label
1 Installation Instructions
WARNING
Turn o󰀨 gas to the appliance before performing any
service. Failure to disconnect gas supply can result in
property damage, personal injury, or death.
WARNING
This Chassis is designed for, and should only be used in,
MagicPak All-In-One™ HWC models of similar cooling
capacity. Any other use could result in actions that might
cause property damage, personal injury, or death.
WARNING
Consult current HWC specications to ensure wire and
breaker are sized appropriately.
WARNING
Risk of electrical shock. Disconnect all
remote power supplies before installing
or servicing any portion of the system.
Failure to disconnect power supplies can
result in property damage, personal injury,
or death.
WARNING
This chassis shall be installed by a qualied agency in
accordance with the manufacturer’s instructions and
all applicable codes and requirements of the authority
having jurisdiction. If the information in these instructions
is not followed exactly, electric shock, re, or explosion
may result, which may cause property damage, personal
injury, or death. The qualied service agency performing
this work assumes responsibility for properly installing
this chassis.

508094-03Issue 2208Page 2 of 2
General Instructions
This chassis is the self-contained cooling section of a
MagicPak All-In-One™ HWC unit. It is designed to be
assembled into an HWC cabinet, and is not intended for
any other use or application.
This chassis is a replacement chassis for HWC8* and
HWC9* series units. 13P* chassis may be used as
replacement for 12P* series units. 12P* chassis may not
be used as replacement in 13P* models.
NOTE: The tonnage of this replacement chassis must
match the tonnage of the chassis being replaced.
If any damage to the contents is found at the time of delivery,
proper notation should be made on the carrier’s freight bill.
Damage claims should be led with the carrier at once.
Claims of shortage should be led with the manufacturer
within 5 days.
Removing the Old Chassis
1. Make sure that the electrical supply is disconnected
and the gas supply is turned o󰀨.
2. Remove the lter access panel and center rear panel.
3. Disconnect the wire harness plug and remove the line
voltage wires from the contactor.
4. Disconnect the condensate drain tube from drain pan.
5. Remove the blower close-o󰀨 panel and remaining
screws retaining the chassis in the cabinet.
6. Slide out the existing chassis.
7. Slide in new HWC chassis and attach chassis in
reverse order of the removal.
8. Re-Install the center rear panel on the unit, being
careful not to pinch any wiring.
9. Re-install the lter access panel on the center rear
panel.
WARNING
Consult current HWC specications to ensure wire and
breaker are sized appropriately.
10. Establish the gas and electrical supply to the unit and
check the following.
a. Set thermostat for a call for cooling.
b. The compressor, condenser fan, and blower will
start approximately 8 seconds after the thermostat
calls for cooling.
c. When the thermostat is satised in the cooling
mode, the compressor and condenser fan motor
will shut o󰀨 immediately. The circulating air blower
will continue to operate for approximately 90
seconds.
d. Set the themostat to call for heat.
e. Verify the main burners are lit. The circulating air
blower will start approximately 60 seconds after
the thermostat calls for heat.
f. Allow the unit to reach steady state conditions
and verify that the unit is operating within the rise
range shown on the unit rating plate. If the unit
is not operating within the rise range, adjust the
blower speed.
g. Turn thermostat down. The circulating air blower
will continue to operate for approximately 120
seconds after the thermostat is satised.
11. Install the new wiring diagram (supplied) on the unit
over the existing wiring diagram. If wire modications
were required, mark the changes on the wiring diagram
for future reference.