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4

I. WARNINGS

WARNING

S

HOULD OVERHEATING OCCUR OR THE GAS SUPPLY FAIL TO SHUT OFF, TURN

OFF THE MANUAL GAS SHUTOFF VALVE EXTERNAL TO THE FURNACE BEFORE

TURNING OFF THE ELECTRICAL SUPPLY.

 

 

 
 

 

 
 

 
 

 

 

 

CARBON MONOXIDE POISONING HAZARD  

-

 

 

Special Warning for Installation of Furnace or Air Handling Units in
Enclosed Areas such as Garages, Utility Rooms or Parking Areas

Carbon monoxide producing devices (such as an automobile, space
heater, gas water heater, etc.) should not be operated in enclosed areas
such as unventilated garages, utility rooms or parking areas because of
the danger of carbon monoxide (CO) poisoning resulting from the exhaust
emissions.  If a furnace or air handler is installed in an enclosed area such
as a garage, utility room or parking area and a carbon monoxide producing
device is operated therein, there must be adequate, direct outside
ventilation.

This ventilation is necessary to avoid the danger of CO poisoning which
can occur if a carbon monoxide producing device continues to operate in
the enclosed area.  Carbon monoxide emissions can be (re)circulated
throughout the structure if the furnace or air handler is operating in any
mode.

CO can cause serious illness including permanent brain damage or death.

B10259-216

WARNING

T

O PREVENT PERSONAL INJURY OR DEATH DUE TO IMPROPER INSTALLATION,

ADJUSTMENT, ALTERATION, SERVICE OR MAINTENANCE, REFER TO THIS

MANUAL. 

F

OR ADDITIONAL ASSISTANCE OR INFORMATION, CONSULT A

QUALIFIED INSTALLER, SERVICE AGENCY OR THE GAS SUPPLIER.

T

O

 T

HE

 O

WNER

It is important that you fill out the owner’s registration card and
mail it today.  This will assist us in contacting you should any service
or warranty information change in the future.  When filling in the
registration card, be sure to include the model, manufacturing, and
serial numbers, plus the installation date.

Your warranty certificate is also supplied with the unit.  Read the
warranty carefully and note what is covered.  Keep the warranty
certificate in a safe location for future reference.

If additional information or operating instructions are required,
contact the dealer where the purchase was made.

Homeowner Notice:

If the residence is left unattended for an extended period of time
(i.e., 4 hours or greater), have your heating system periodically
checked to ensure proper operation.  Potential circumstances
beyond our control such as power outages, gas service

interruptions, product installation, or component failures could result
in heating system operational problems.

T

O

 T

HE

 I

NSTALLER

Before installing this unit, please read this manual thoroughly to
familiarize yourself with specific items which must be adhered to,
including but not limited to: unit maximum external static pressure,
gas pressures, BTU input rating, proper electrical connections,
circulating air temperature rise, minimum or maximum CFM, and
motor speed connections, and venting.  These furnaces are
designed for Category I venting only.

WARNING

T

O PREVENT POSSIBLE PERSONAL INJURY OR DEATH DUE TO ASPHYXIATION, 

THIS FURNACE MUST BE 

C

ATEGORY 

I

 VENTED.  

D

O NOT  VENT USING

C

ATEGORY 

III

 VENTING. 

P

ROVISIONS MUST BE MADE FOR VENTING COMBUSTION PRODUCTS

OUTDOORS THROUGH A PROPER VENTING SYSTEM. 

T

HE LENGTH OF FLUE PIPE

COULD BE A LIMITING FCTOR IN LOCATING THE FURNACE.

T

RANSPORTATION

 D

AMAGE

All units are securely packed in shipping containers tested
according to International Safe Transit Association specifications.
The carton must be checked upon arrival for external damage.  If
damage is found, a request for inspection by carrier’s agent must
be made in writing immediately.

The furnace must be carefully inspected on arrival for damage
and bolts or screws which may have come loose in transit.  In the
event of damage the consignee should:

1. Make a notation on delivery receipt of any visible damage

to shipment or container.

2. Notify carrier promptly and request an inspection.
3. With concealed damage, carrier must be notified as soon

as possible -  preferably within five days.

4. File the claim with the following support documents within

a nine month statute of limitations.

• Original or certified copy of the Bill of Lading, or indemnity

bond.

• Original paid freight bill or indemnity in lieu thereof.
• Original or certified copy of the invoice, showing trade and

other discounts or reductions.

• Copy of the inspection report issued by carrier’s

representative at the time damage is reported to carrier.

The carrier is responsible for making prompt inspection of damage
and for a thorough investigation of each claim. The distributor or
manufacturer will not accept claims from dealers for transportation
damage.

Keep this literature in a safe place for future reference.

II. SAFETY

Adhere to the following warnings and cautions when installing,
adjusting, altering, servicing, or operating the furnace.

T

O PREVENT PERSONAL INJURY OR DEATH DUE TO IMPROPER INSTALLATION,

ADJUSTMENT, ALTERATION, SERVICE OR MAINTENANCE, REFER TO THIS
MANUAL. 

F

OR ADDITIONAL ASSISTANCE OR INFORMATION, CONSULT A

QUALIFIED INSTALLER, SERVICE AGENCY OR THE GAS SUPPLIER.

WARNING

Summary of Contents for GMV8

Page 1: ...han when the unit is in operation Remember it is your responsibility to install the product safely and to know it well enough to be able to instruct a customer in its safe use Safety is a matter of co...

Page 2: ...HECK 3 CHIMNEY CROWN CONDITION 13 CHECK 4 DEBRIS IN CLEANOUT 13 CHECK 5 LINER CONDITION 13 CHECK 6 DILUTION AIR 13 CHECK 7 COMPLETE THE INSTALLATION 13 FIX 1 LINER TERMINATION 14 FIX 2 CHANGE VENTING...

Page 3: ...MPERATURE RISE 25 CIRCULATOR BLOWER SPEED ADJUSTMENT 25 ADJUST BLOWER HEAT OFF DELAY 27 CIRCULATOR BLOWER FAN TIMING ADJUSTMENT 27 XIII OPERATIONAL CHECKS 27 BURNER FLAME 27 AUXILIARY LIMIT CONTROL 27...

Page 4: ...ponent failures could result in heating system operational problems TO THE INSTALLER Before installing this unit please read this manual thoroughly to familiarize yourself with specific items which mu...

Page 5: ...stalling the control on a furnace Return any old or new controls to their containers before touching any ungrounded object III PRODUCT APPLICATION This furnace is primarily designed for residential ho...

Page 6: ...ents and glues antistatic fabric softeners for clothes dryers and masonry acid washing materials WARNING POSSIBLE PROPERTY DAMAGE PERSONAL INJURY OR DEATH DUE TO FIRE EXPLOSION SMOKE SOOT CONDENSTAION...

Page 7: ...ATOR BLOWER REMOVAL 3 8 DIAMETER THREADED ROD 6 PLACES PROVIDE 8 MINMUM CLEARANCE BETWEEN CENTER ROD AND FURNACE CABINET TO ALLOW FOR CIRCULATOR BLOWER REMOVAL ASSURE FURNACE IS LEVEL FROM END TO END...

Page 8: ...an 50 cubic feet per 1 000 BTU per hour of the aggregate input rating of all appliances installed in that space Rooms communicating directly with the space in which the appliances are installed throug...

Page 9: ...sure Inlet Air Ventilation louvers for unheated crawl space Alternate air inlet Ventilation louvers each end of attic Equipment Located in Confined Spaces All Air from Outdoors Inlet Air from Ventilat...

Page 10: ...eration of installed gas utilization equipment VI CATEGORY I VENTING VERTICAL VENTING WARNING TO PREVENT POSSIBLE PERSONAL INJURY OR DEATH DUE TO ASPHYXIATION THIS FURNACE MUST BE CATEGORY I VENTED DO...

Page 11: ...ng In most situations the existing masonry chimneys will require a properly sized metallic liner WARNING POSSIBILITY OF PROPERTY DAMAGE PERSONAL INJURY OR DEATH DAMAGING CONDENSATION CAN OCCUR INSIDE...

Page 12: ...condition Check 5 Yes Yes No Reline Fix 4 Dilution air available Check 6 Complete the installation Check 7 CHECK 1 PROPER CHIMNEY TERMINATION A masonry chimney used as a vent for gas fired equipment...

Page 13: ...seal Use caution when doing this as the cut edges of flexible liners may be sharp The surfaces of the liner must be physically sound If gaps or holes are present the metal liner must be removed and r...

Page 14: ...F ELECTRICAL SHOCK WIRING TO THE UNIT MUST BE POLARIZED AND GROUNDED FIX 1 LINER TERMINATION Any cap or roof assembly used with a liner must be approved by the liner manufacturer for such use The line...

Page 15: ...SK OF INJURY ELECTRICAL SHOCK OR DEATH THE FURNACE MUST BE ELECTRICALLY GROUNDED IN ACCORDANCE WITH LOCAL CODES OR IN THEIR ABSENCE WITH THE LATEST EDITION OF THE NATIONAL ELECTRIC CODE WARNING EDGES...

Page 16: ...m located on the blower compartment door for further details of 115 Volt and 24 Volt wiring SINGLE STAGE THERMOSTAT APPLICATION W G Y Single Stage Heating with Single Stage Cooling R B C G R W1 W2 O Y...

Page 17: ...G R W1 W2 CR35 R122 R128 W3 DS7 R191 R85 DS3 R84 R22 DS4 DS5 TP1 TP2 DEHUMIDIFICATION LED YELLOW DEHUMIDIFICATION JUMPER WIRE CUT TO ENABLE W 14 FOSSIL FUEL APPLICATIONS This furnace can be used in co...

Page 18: ...cause poor combustion and equipment failure When this furnace is installed at high altitude the appropriate High Altitude orifice kit must be applied The furnace is supplied with orifices sized for na...

Page 19: ...ranges and pressure switch kits High Low 70 90 115 7 500 0 5 w c 0 3 w c NR Pressure Switch Changes Setting Furnace Input kBtu hr Altitude ft PROPANE GAS CONVERSION WARNING POSSIBLE PROPERTY DAMAGE P...

Page 20: ...1 8 Pipe Plug To Measure Line Gas Pressure General Furnace Layout UPFLOW INSTALLATIONS When the gas piping enters through the right side of the furnace the installer must supply the following fitting...

Page 21: ...50 330 770 1 500 2 400 3 700 1 500 3 400 60 300 700 1 300 2 200 3 300 1 300 3 100 80 260 610 1 200 1 900 2 900 1 200 2 600 100 220 540 1 000 1 700 2 600 1 000 2 300 125 200 490 900 1 400 2 300 900 2 1...

Page 22: ...g to the low heat circulating speed from entering the furnace and if manually operated must be equipped with means to prevent operation of either unit unless the damper is in the full heat or cool pos...

Page 23: ...acts open completing the call for heat Gas valve closes extinguishing flame Induced draft blower is de energized following a fifteen second post purge Humidifier terminals are de energized Circulator...

Page 24: ...um 13 0 w c Inlet Gas Supply Pressure If supply pressure differs from table make the necessary adjustments to pressure regulator gas piping size etc and or consult with local gas utility 5 Turn OFF ga...

Page 25: ...eed If the correct amount of temperature rise is not obtained it may be necessary to change the blower speed An incorrect temperature rise can cause condensing in or overheating of the heat exchanger...

Page 26: ...he motor then ramps to 100 of the required airflow A 1 minute OFF delay at 100 of the cooling airflow OFF 100 CFM Cooling Demand 100 CFM 1 min 50 CFM OFF min Profile C ramps up to 82 of the full cooli...

Page 27: ...econds after the call for cooling ends During normal heating operation the circulator fan will come on approximately 37 seconds after the gas valve opens ON OFF ON OFF ON OFF ON OFF 1 2 1 2 1 2 1 2 90...

Page 28: ...and monitors heat exchanger compartment temperatures It is an automatic reset temperature sensor The limit guards against the overheating as a resulting of insufficient air passing over the heat excha...

Page 29: ...means of filtering all of the return air The installer will supply filter s at the time of installation FILTER MAINTENANCE Improper filter maintenance is the most common cause of inadequate heating o...

Page 30: ...t off electric power and gas supply to the furnace 2 Remove screws securing manifold to burner bracket Slightly pull manifold out and away from burner bracket Burners will drop Re secure manifold to b...

Page 31: ...it Inspect pressure switch hose Repair if necessary Inspect flue for blockage proper length elbows and termination Correct pressure switch setpoint or contact motion Tighten or correct wiring connecti...

Page 32: ...or proper sensor alignment Check inlet air piping for blockage proper length elbows and termination Compare current gas pressure to rating plate info Adjust as needed Turn power OFF prior to repair Tu...

Page 33: ...RLY O N SO M E M O D ELS IN DU C T OR C O IL P R ES S U RE SW ITC H LO W FIR E Y L R D BK W H IN DU C E D B R G N D WH WH BK BR RD GN BU BR W H A U XILIA R Y LIM IT C O NT R OLS R D B U W H VAC 115 VA...

Page 34: ...ct failure They are simple to service and forgiving to operate We use quality materials and components Finally every unit is run tested before it leaves the factory That s why we know There s No Bette...

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