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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.
507389-01
HWC9 V-Series
INSTALLATION INSTRUCTIONS
Save these instructions for future reference
Models
TM
WARNING
INSTALLATION-----------------------------------------------------2
START-UP--------------------------------------------------------- 11
OPERATION-------------------------------------------------------12
MAINTENANCE--------------------------------------------------12
WIRING DIAGRAMS--------------------------------------------20
A Lennox International Inc. Company
CAUTION
Issue 1504
TABLE OF CONTENTS
Manufactured By
Allied Air Enterprises LLC
215 Metropolitan Drive
West Columbia, SC 29170
*P507389-01*
*P507389-01*
Page 1 of 21
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Summary of Contents for Magic-Pak V Series
- Page 1 HWC9 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 install the union and manual shutoff valve as well as providing accessibility for field wiring. Do not install directly on carpeting, WARNING tile, or other combustible material other than wood flooring. Install operate and maintain unit in accordance with manufacturer’s instructions. The State of California has The grille side of the unit may be flush with, or extend beyond, the determined that this product may contain or produce face of the exterior wall, but should not be recessed more than...
- Page 3 • 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. • Air filters must be replaced upon construction completion. • The input rate and temperature rise must be set per the furnace rating plate.
- 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 Install the plastic drain tube (furnished) over the 5/8” O.D. fitting Installing Without a Wall Sleeve in the center of the Evaporator condensate pan.
- Page 5 Furnace condensate drain component locations - Side exit Side panel Upper Drain hose (From Collector box) Lower drain hose (To drain fitting) Drain fitting Condensate Trap Thread street elbow into drain fitting solvent weld piping to street elbow Figure 3 Furnace condensate drain component locations - Front exit Side panel ...
- Page 6 Furnace Condensate Drain in its new orientation. The HWC9 furnace is provided with an internal condensate drain and drain fitting. A street elbow and a hose barb for con- 6. Reconnect the lower drain hose to the drain trap and drain nection to the drain fitting are factory-supplied in the manual fitting.
- Page 7 for supplying air for combustion, nor is a chimney required. piping. The vent outlet must not be altered or extended. The units supplied for operation with natural gas contain a gas regulator which must be operated with inlet gas pressures The venting system is designed for proper operation under all specified on the rating plate.
- Page 8 WARNING The furnace must be isolated from the gas supply piping system by closing the individual manual shutoff valve during any pressure testing of gas supply piping system at test pressures equal to or less than 1/2 psig or 14” W.C. If the piping system is to be tested at pressures in excess of 1/2 psig, the furnace and its individual shutoff valve must be disconnected from the gas supply piping system.
- Page 9 be within the range specified on the unit rating plate. See Table 2. Thermostat Install the thermostat according to the directions furnished with Pressure Regulator it. The thermostat must be located on an inside wall where it will The gas input must not exceed the figures shown on the rating not be affected by drafts, sunlight, or any other heat producing plate.
- Page 10 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...
- Page 11 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 12 Gas Valve Regulator If the burners should fail to ignite, the ignition control will try to adjustment Gas Inlet ignite the burners a total of three times. Should the burners fail Gas Inlet Screw to ignite within the three trials for ignition, the ignition control Pressure (Under Cap) will lock out for 1 hour before beginning another ignition cycle.
- Page 13 The HWC9 models are newly designed with improved performance and added features over previous models. Refer to Figure 7 for heating cabinet component layout. It is recommended that the furnace be inspected annually by a qualified service person. COMPONENT LAYOUT Rollout switch Remove these Burner &...
- Page 14 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 15 BURNER & MANIFOLD ASSEMBLY REMOVAL Step 7 Burner & Mounting Brackets Manifold Assembly Step Step 8 Step 10 Figure 8 507389-01 Issue 1504 Page 15 of 21...
- Page 16 4. For reassembly, follow the above steps in reverse order. Control board mounting bracket Flame sensor The control board mounting bracket is designed to be removed 1. Remove the control board mounting bracket as described to allow component access for some service procedures. The previously.
- Page 17 Ignition board & Bracket removal Tabs on Cold-End Header box Press down on locking tab then slide bracket Slots on ignition board bracket Figure 9 507389-01 Issue 1504 Page 17 of 21...
- Page 18 replacement, or to access the heat exchanger and flue tube extension for cleaning. To remove the combustion inducer: 4. For reassembly, follow the above steps in reverse order. 1. Remove the control board mounting bracket as described previously. Furnace condensate drain 2.
- Page 19 Heat exchanger removal and cleaning 2. Remove filter access panel and panel covering cooling controls. 1. Remove the heat exchanger access panel 3. Remove drain hose from the drain pan. 2. Remove the combustion inducer as described previously. 4. Disconnect the plug-in electrical connections. Do not seperate the connector by pulling on this wire;...
- Page 20 Figure 11 Page 20 of 21 Issue 1504 507389-01...
- Page 21 NOTES 507389-01 Issue 1504 Page 21 of 21...
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