Magic-Pak HWC8 V Series Installation Instructions Manual Download

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507388-01

Issue 1732

Save these instructions for future reference

(P) 507388-01

*P507388-01*

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.

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.

WARNING

If these instructions are not followed exactly, a fire

or explosion may result causing property damage,

personal injury, or loss of life.

CAUTION

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. Any alteration of internal wiring will void

certification and warranties.

CAUTION

Table of Contents

Installation ...................................................................2

Electrical Connections .................................................6

Start-Up .....................................................................10

Operation ...................................................................10

Maintenance ..............................................................11

Wiring Diagrams ........................................................15

INSTALLATION INSTRUCTIONS

HWC8 V-Series

Models

Summary of Contents for HWC8 V Series

Page 1: ...cinity 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 WARNING I...

Page 2: ...held to 0 sides 2 top and 1 front and plenum Adequate clearance must be provided to install gas line union and manual shutoff valve as well as providing accessibility for field wiring Do not install directly on carpeting tile or other combustible material other than wood flooring The grille side of the unit may be flush with or extend beyond the face of the exterior wall but should not be recessed...

Page 3: ...opening with non hardening caulking compound The seal must be weather tight to prevent entrance of moisture and water into the building Assure that the unit is completely seated against the gaskets on the wall sleeve The sleeve is not intended as the sole support for the unit An additional support must be provided near the return opening on the unit for adequate support The use of vibration isolat...

Page 4: ...a direct vent furnace which obtains all air needed for combustion from outdoors Insufficient combustion air can cause headaches nausea dizziness or asphyxiation It will also cause excess water in the heat exchanger resulting in rusting and premature heat exchanger failure Excessive exposure to contaminated combustion air will result in safety and performance related problems Avoid exposure to the ...

Page 5: ...maller than the manual valve used Consult the local utility or National Fuel Gas Code for complete details on special requirements in sizing gas piping The units supplied for operation with natural gas contain a gas regulator which must be operated with inlet gas pressures specified on the rating plate If gas line pressure exceeds this figure an additional high pressure regulator must be installed...

Page 6: ...e minimum circuit ampacity maximum fuse size and minimum voltage Units must never be installed where voltage exceeds 10 over the voltage indicated on the rating plate Units are factory wired for a 230 volt power supply If power supply is 208 volts it will be necessary to change a wire connection on unit transformer from 240 volt terminal to 208 volt terminal as shown on the wiring diagram Failure ...

Page 7: ... The thermostat must be located on an inside wall where it will not be affected by drafts sunlight or any other heat producing appliances Connect the thermostat wires to the low voltage leads on top of the unit following the wiring diagram attached to the unit The heat anticipator setting is 0 50 amp Air Filter All indoor return air must be filtered A permanent type filter is furnished with the un...

Page 8: ...hat all other gas appliances are turned off The test hand on the meter should be timed for at least one revolution Note the number of seconds for one revolution BTU HR Input Cubic Feet per Revolution x 3600 x Heating Value Seconds per Revolution Adjustments Cooling Section HWC models No adjustments are required or should be attempted regarding any of the components of the cooling chassis The chass...

Page 9: ...4 750 36 HWC8 R N 480918A HWC8 R N 480924A 35 65 50 LOW 208 480 N A 465 N A 450 N A 435 N A 230 610 59 590 61 565 63 535 N A MED 208 750 48 715 50 685 52 655 55 230 810 44 770 46 735 49 700 51 HIGH 208 860 42 815 44 770 46 735 49 230 880 41 835 43 790 45 750 48 HWC8 R N 600918A HWC8 R N 600924A 45 75 60 LOW 208 480 N A 465 N A 450 N A 435 N A 230 610 73 590 N A 565 N A 535 N A MED 208 750 60 715 6...

Page 10: ...rmostat system switch to COOL 3 Set thermostat to temperature desired Heating Sequence of Operation 1 Thermostat calls for heat 2 Combustion blower starts and proper air flow is proven by the pressure switch closing 3 Blower continues to operate for 30 seconds prior to the burners lighting 4 Ignition control begins spark and opens gas valve The burners are lit Ignition is proved through the flame ...

Page 11: ...rary or short periods of shutdown set the thermostat system switch to OFF For a prolonged period of shutdown set the thermostat system switch to OFF and turn off the electrical power supply and the gas supply to the unit Maintenance Refer to Figure 8 for heating compartment component layout It is recommended that the furnace be inspected annually by a qualified service person ELECTRICAL SHOCK FIRE...

Page 12: ... brackets The mounting brackets contain pins to locate the assembly and hold it in place after the screws are removed The mounting brackets are hidden until the burner assembly is removed 8 First carefully pull the burner assembly toward you until it is clear of the locating pins in the mounting brackets 9 Then move the assembly away from the vest panel 10 Finally pull the assembly from the unit 1...

Page 13: ... the unit in case of overheating and automatically resets when temperature falls to an acceptable level It is not field adjustable 1 Remove the control board mounting bracket as described previously 2 Disconnect the two orange and yellow wires at the primary limit switch 3 Remove the three screws securing the primary limit switch to the vest panel 4 For reassembly follow the above steps in reverse...

Page 14: ...limited to Cleaning the air filter Follow directions noted on the filter and label attached to the access panel Cleaning the condenser coil if covered with any foreign material lint leaves or other obstructions If servicing or major repairs are required the complete chassis can be removed from the unit To remove the chassis 1 Shut off the main power supply 2 Remove filter access panel and panel co...

Page 15: ...Page 15 of 16 507388 01 Issue 1732 Figure 10 Wiring Diagrams ...

Page 16: ...Page 16 of 16 507388 01 Issue 1732 Figure 11 ...

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