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Improper installation, adjustment, alteration, service or maintenance can cause property damage,
personal injury or loss of life. Installation and service must be performed by a licensed professional
installer (or equivalent), service agency or the gas supplier.
WARNING
For your safety, do not store or use gasoline or other
flammable vapors and liquids in the vicinity of this or any
other appliance. Such actions could result in property
damage, personal injury, or death.
WARNING
Do not store combustible materials near the furnace or
warm air ducts. The material may ignite by spontaneous
combustion creating a fire hazard.
WARNING
These units are not approved for mobile home applications.
Such use could result in property damage, personal injury,
or death.
CAUTION
If these instructions are not followed exactly, a fire or
explosion may result causing property damage, personal
injury, or loss of life.
Installation shall be made in accordance with the requirements of the local utility and other authorities having jurisdiction, or with
the National Fuel Gas Code, ANSI Z223.1 (latest edition) and the National Electrical Code in the United States or CAN/CGA-B149.1 &
.2 and the Canadian Electrical Code CSA C22.1 Part 1 (latest edition) in Canada. Any alteration of internal wiring will void certification
and warranties.
507388-01
HWC8 V-Series
INSTALLATION INSTRUCTIONS
Save these instructions for future reference
Models
TM
WARNING
INSTALLATION .................................................................2
START-UP ........................................................................9
OPERATION ...................................................................10
MAINTENANCE .............................................................10
WIRING DIAGRAMS ......................................................16
A Lennox International Inc. Company
*P507388-01*
CAUTION
Issue 1504
TABLE OF CONTENTS
Manufactured By
Allied Air Enterprises LLC
215 Metropolitan Drive
West Columbia, SC 29170
*P507388-01*
Page 1 of 18
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Summary of Contents for Magic-Pak HWC8-12
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Page 1: Table Of Contents
HWC8 V-Series Models INSTALLATION INSTRUCTIONS Save these instructions for future reference WARNING Improper installation, adjustment, alteration, service or maintenance can cause property damage, personal injury or loss of life. Installation and service must be performed by a licensed professional installer (or equivalent), service agency or the gas supplier. TABLE OF CONTENTS WARNING INSTALLATION ..............2... -
Page 2: Installation
clearances to combustible material held to 0” sides, 2” top, and 1” front and plenum. Adequate clearance must be provided to WARNING install the union and manual shutoff valve as well as providing accessibility for field wiring. Do not install directly on carpeting, Install operate and maintain unit in accordance with tile, or other combustible material other than wood flooring. - Page 3 • The return air duct must be provided and sealed to the furnace. • Return air temperature range between 60°F (16°C) and 80°F (27°C) must be maintained. • Air filters must be installed in the system and must be maintained during construction. •...
- Page 4 HWC Installation W all Sleeve 6 x 22 Minimum Opening " " to Align with Return Air Opening in Unit. Vibration Isolating Material Plywood Figure 1 Evaporator Condensate Drain Seal the space between the wall sleeve and the building opening with non-hardening caulking compound.
- Page 5 Turn on exhaust fans, such as range hoods and bathroom exhausts, so they will operate at maximum speed. Do not WARNING operate a summer exhaust fan. Close fireplace dampers. Insufficient combustion air can cause headaches, nausea, dizziness or asphyxiation. It will also cause 4.
- Page 6 Leak Check IMPORTANT After gas piping is completed, carefully check all piping connections (factory and field installed) for gas leaks. Use a leak Compounds used on threaded joints of gas piping must detecting solution or other preferred means. be resistant to the actions of liquified petroleum gases. NOTE: If emergency shutoff is necessary, shut off the main manual gas valve and disconnect the main power to the furnace.
- Page 7 Model Filter Area Number (sq. in.) BTU/HR = Cubic Feet Per Revolution Heating x 3600 x HWC8-12 INPUT # Seconds Per Revolution Value HWC8-18 HWC8-24 Adjustments – Cooling Section (HWC models) HWC8-30 No adjustments are required or should be attempted regarding any of the components of the cooling chassis.
- Page 8 AIRFLOWS AND HEATING TEMPERATURE RISES AS A FUNCTION OF EXTERNAL STATIC PRESSURE 0.1 " w.c. 0.2 " w.c. 0.3 " w.c. 0.4 " w.c. Rise Unit Indoor Blower Temp Temp Temp Temp Model Range Rise Voltage Speed SCFM SCFM SCFM SCFM Rise Rise...
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Page 9: Start-Up
START-UP Blower The unit contains a direct-drive, multispeed blower. The proper speeds have been preset at the factory for heating and cooling. For Your Safety Read Before Lighting Refer to the wiring diagram for recommended heating/cooling speeds for specific models. Direct-drive blower WARNING motors are permanently lubricated and do not require oiling. -
Page 10: Operation
OPERATION Cooling Sequence of operation Operation of the unit is automatic and will provide heating and When the thermostat system switch is set for “COOL”, the blower cooling depending on the setting of the thermostat. will start 5 seconds after the thermostat calls for cooling and will stop 90 seconds after the thermostat is satisfied. - Page 11 COMPONENT LAYOUT Combustion Flue Collector Inducer Remove these screws to remove Combustion inducer Gas Valve Inducer prover switch Primary Limit Loosen these screws (Mounted to Vest to remove control board panel) mounting bracket Gas Manifold Flame sensor (mounted to top of Ignition Burner assembly) Control board...
- Page 12 Burner & manifold assembly To remove the burner & manifold assembly: 1. Disconnect electrical service and turn off gas to the appliance. 2. Loosen the pipe union external to the unit and remove the gas line to the gas valve. 3.
- Page 13 BURNER & MANIFOLD ASSEMBLY REMOVAL Step 7 Mounting Brackets Burner & Manifold Assembly Step 8 Step 9 Step 10 Figure 6 507388-01 Issue 1504 Page 13 of 18...
- Page 14 2. Remove the screw and pull the flame sensor from the top The control board mounting bracket is designed to be removed of burner assembly. to allow component access for some service procedures. The ignition control board and the inducer prover switch are mounted 3.
- Page 15 3. Disconnect the inducer prover switch tubing at the switch. 4. Remove the two screws on the combustion inducer plate. Cooling Chassis 5. Pull the combustion inducer and plate toward you until it is The refrigeration system contained in the cooling chassis normally free of the dilution air box that supports it.
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Page 16: Wiring Diagrams
Figure 7 Page 16 of 18 Issue 1504 507388-01... - Page 17 Figure 8 507388-01 Issue 1504 Page 17 of 18...
- Page 18 NOTES Page 18 of 18 Issue 1504 507388-01...
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