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Installation, Operation and Maintenance

HIGH EFFICIENCY
TWO STAGE VARIABLE SPEED

Please read the operating instructions and safety
precautions carefully and thoroughly before installing
and operating your furnace. Keep this manual in a
safe place for future reference.

USER’S INSTRUCTION GUIDE

INSTALLATION, OPERATION AND
MAINTENANCE MANUAL

Model

Serial Number

Date of Purchase

For future reference write down the model, serial
number, and date of purchase. Use these numbers in
any correspondence or service calls concerning your
furnace.

Keep these instructions for future reference.

CATEGORY I NATURAL GAS AND LP GAS

WARM AIR FURNACE

LOCATED AFTER PAGE 43 OF THIS

23-23-0508N-003

MODEL 77FV

95

A054 FV

95

A072

<

FV

95

A0

90

<

FV

95

A108

1
2
3
...
»

Содержание operation and

Страница 1: ...erence USER S INSTRUCTION GUIDE INSTALLATION OPERATION AND MAINTENANCE MANUAL Model Serial Number Date of Purchase For future reference write down the model serial number and date of purchase Use thes...

Страница 2: ...ng Piping Length 18 Pipe Using A Concentric Venting Kit 19 Exhaust Vent 20 Exhaust Vent 21 Non Direct Vent Furnace Installations 22 Direct Vent Piping Termination 17 CONDENSATE DRAINS 25 Drain Hose In...

Страница 3: ...he furnace Furnace for heating the home located in the attached garage for example 8 A gas fired furnace for installation in a residential garage must be installed so that the burners and ignitor are...

Страница 4: ...ING BIRTH DEFECTS AND OTHER REPRODUCTIVE HARM UL AND CUL RECOGNIZED CO DETECTORS ARE RECOMMENDED FOR ALL BUILDINGS EQUIPPED WITH FOSSIL FUEL BURNING APPLIANCES ALL CO DETECTORS SHOULD BE INSTALLED IN...

Страница 5: ...wall horizontal vented gas fueled equipment It shall be the responsibility of the property owner to secure the services of qualified licensed professionals for the installation of hard wired carbon mo...

Страница 6: ...be required 4 Existing ductwork should be assessed for its air handling capabilities For residential applications the recommended air velocity of a supply air trunk duct is 700 feet per minute fpm an...

Страница 7: ...pounds Polyurethane and similar derivatives fumes Printer s inks paint removers furniture strippers varnishes varsol toluene etc Water softener salts and chemicals LOCATION of UNIT General 1 The furna...

Страница 8: ...ER COMBUSTIBLE MATERIAL EXCEPT WOOD INSTALLATION ON COMBUSTIBLE MATERIAL CAN RESULT IN FIRE CAUSING PROPERTY DAMAGE PERSONAL INJURY OR DEATH DANGER COMBUSTIBLE MATERIAL MUST NOT BE PLACED ON OR AGAINS...

Страница 9: ...revent entraining combustion gases from an adjacent fuel burning appliance or entraining combustion air for this furnace 5 Ensure that there is adequate space and accessibility for the air filter 6 If...

Страница 10: ...ce cabinet to prevent twisting or sagging General Considerations When choosing an installation position the installer must consider the following connections Combustion air intake Exhaust vent Gas pip...

Страница 11: ...pling bands 12 Tighten the vent clamp and secure in place using the screws provided FIGURE A RIGHT INDUCER POSITION FIGURE B LEFT INDUCER POSITION SUGGESTED METHOD FOR SUSPENDING HORIZONTAL FURNACE AL...

Страница 12: ...ducer drain connector will angle toward the front of cabinet with the second nested inside directed towards the top panel The 108 000 BTUH will require an extension between the inducer and the first e...

Страница 13: ...of the cabinet WARNING WHEN INSTALLED IN THE DOWNFLOW POSITION ON A COMBUSTIBLE FLOOR SUBBASE KIT 30476 IS REQUIRED FAILURE TO INSTALL SUBBASE KIT COULD RESULT IN FIRE DEATH OR SERIOUS INJURY The open...

Страница 14: ...w that is not provided If exhaust vent exits the left side panel the pipe can be routed straight outside the cabinet The pipe exiting the cabinet in any installation should be long enough to install t...

Страница 15: ...area from which the combustion and ventilation air will be drawn negative pressure could be a problem if natural infiltration from the outdoors does not match the rate at which air is exhausted IMPOR...

Страница 16: ...ng salons Antistatic fabric softeners used in clothes dryers Carbon tetrachloride Chlorinated cleaners and waxes Chlorine and bromine based swimming pool chemicals Deicing salts or chemicals e g rock...

Страница 17: ...ED TO THE FURNACE WITH SHEET METAL SCREWS TAPE THE SHEET METAL SEAMS IN THE VICINITY OF THE FURNACE WITH DUCT TAPE OR SIMILAR MATERIAL WHEN THE FURNACE IS MOUNTED ON A PLATFORM WITH RETURN AIR THROUGH...

Страница 18: ...OLLOW ALL VENTING GUIDELINES MAY RESULT IN ERRATIC FURNACE OPERATION FREEZE UP OF THE VENTILATION AIR PIPING OR SOOTING OF THE FURNACE DANGER SOLVENT CEMENTS AND PRIMERS ARE HIGHLY FLAM MABLE PROVIDE...

Страница 19: ...r location or installa tion can cause structural or exterior finish damage to the building Caulk all cracks seams or joints within a 6 foot radius of the termination Direct Vent Piping Termination Gen...

Страница 20: ...overhangs is a minimum of 1 foot vertically for each foot horizontally up to 6 feet As a protection against freezing do not expose a 3 x 2 reducing coupling to outdoor ambient temperatures Any adjacen...

Страница 21: ...ntric vent terminal there must be a minimum of 12 clearance to grade or antici pated snow level There are no means available to raise the terminal externally If planning to use this terminal kit see T...

Страница 22: ...o use one the screen may actually encourage the formation of rime ice which could cause the intake to become blocked in certain weather conditions Horizontal Exhaust Vent Termination Horizontal vents...

Страница 23: ...quired if venting vertically through a roof The end of the exhaust pipe must be 12 higher than the entrance of the combustion air intake terminal The exhaust pipe extending through the roof must exten...

Страница 24: ...NT IN CANADA In addition to the general guidelines in Canada the non direct vent exhaust shall not terminate Directly above a paved sidewalk or paved driveway which is located between two single famil...

Страница 25: ...appliances 10 000 Btuh 4 ft 121 cm below or to side of supply inlet to building or the 3 kW 12 in 30 cm for appliances opening 1 ft 30 cm above combustion air inlet to any other 10 000 Btuh 3 kW and...

Страница 26: ...air 6 in 15 cm for appliances 10 000 Btuh 6 in 15 cm for appliances 10 000 Btuh supply inlet to building or the 3 kW 12 in 30 cm for appliances 3 kW 9 in 23 cm for appliances combustion air inlet to...

Страница 27: ...clamp to approximately 1 8 from the end of the hose 5 Fasten each drain hose to its inlet by tightening the hose clamps 6 Cut each drain hose near the blower division panel at the point where kinking...

Страница 28: ...HORIZONTAL FLOW RIGHT CONDENSATE TRAP CONDENSATE TRAP HORIZONTAL FLOW LEFT UPFLOW DOWNFLOW CONDENSATE CONDENSATE TRAP TRAP FIGURE 11 FIGURE 12 FIGURE 13 FIGURE 14 26...

Страница 29: ...Secure the condensate drain trap to the side of the fur nace using the mounting holes that were just drilled 5 Install one rubber grommet provided into each of the drain holes and then insert the 90 d...

Страница 30: ...VALVE AND GAS VALVE DURING ANY PRESSURE TESTING THAT EXCEEDS 1 2 P S I G 3 45 KPA w c 12 inches w c is recommended These pressures must be maintained while all other gas fired appliances are operatin...

Страница 31: ...o the furnace if applicable 1 Shut off electrical power to the furnace if applicable 2 Remove the upper front door to expose the gas train and burner assembly 3 Unfasten the ground joint union between...

Страница 32: ...600 1 95mm 1 20mm 2000 3000 79200 75240 51480 48906 1 90mm 1 15mm 90 000 3000 4000 75600 71820 49140 46683 1 90mm 1 10mm 5 4000 5000 72000 68400 46800 44460 1 85mm 1 10mm 5000 6000 68400 64980 44460 4...

Страница 33: ...manifold first examine the gas piping system to ensure that it is correctly sized Pipe sizing is specified in ANSI Z223 1 NFPA 54 in the U S or the B148 Natural Gas and Propane Installation Code in Ca...

Страница 34: ...are rated 120 VAC 60 Hz 1 phase The amperage rating is indicated on the furnace rating plate Each furnace requires a dedicated overcurrent device either a circuit breaker or a Type D time delay fuse...

Страница 35: ...the main burners directly See the lighting instructions on the furnace To Start The Furnace 1 Remove the burner compartment access door 2 Shut off the electrical power to the furnace and set the room...

Страница 36: ...rops causing the room thermostat heating contacts to close 2 If pressure switch contacts are closed and have failed to open since the last cycle all subsequent steps will fail to occur 3 The induced b...

Страница 37: ...e determine the air temperature rise of the furnace Insert a duct thermometer in the supply air duct The ther mometer should be placed as close as practical to the fur nace but out of the line of sigh...

Страница 38: ...ded that the heating airflow be set for the Nominal Plus setting when the furnace is matched for this cooling capacity Furnace is set at the factory for maximum cooling capacity and DIP switches must...

Страница 39: ...ommended that the Plus temperature rise is between 35 and 65 degrees F Heating Make adjustments to the controller with the electrical power off WARNING front blower shroud from furnace How To Remove T...

Страница 40: ...OR LOSS OF LIFE MAINTENANCE This is a critical connection Small amounts of corrosion can significantly increase the internal resistance of the connection A relatively small increase in resistance can...

Страница 41: ...ION WARNING heat and make a retrial for high every 5 or 10 minutes switch does not pull in the controller will continue in low finished and during the trial for ignition the high pressure If there is...

Страница 42: ......

Страница 43: ...t trips 1 hour lockout Too many low pressure switch trips after ignition 1 hour lockout 1 hour lockout Reset by cycling power or thermostat CHECK and REPAIR 1 Replace Integrated Furnace Control 2 Roll...

Страница 44: ...ignition period If main flame is not sensed during trial for ignition system will shut off HSI element and main gas flow then go through another purge period and initiate another ignition trial A tota...

Страница 45: ...5 7 0 187 67 1 21752 8720 7 67 57 7 7 5 0 187 6 2 217 18286 2 7 23 5 7 21 7 7 5 0 187 6 2 217 18286 2 7 23 5 7 21 25 0 187 67 1 25 6 1 67 7 50267 7 803 5 1 6 72 6 7 72 0 187 725 8 7 6 77 1 8720 7 67...

Страница 46: ...E DO NOT TOUCH ANY ELECTRICAL SWITCH DO NOT USE ANY PHONE IN YOUR BUILDING LEAVE THE BUILDING IMMEDIATELY IMMEDIATELY CALL YOUR GAS SUPPLIER FROM A PHONE OUTSIDE THE BUILDING FOLLOW THE GAS SUPPLIER S...

Страница 47: ...must be in place during normal furnace operation Attempting to operate the furnace with missing doors or panels could lead to the creation of carbon monoxide gas 4 If the furnace is installed in a con...

Страница 48: ...valve Ensure that the Gas Valve Control is in the ON position see Figure 3 at right 9 Replace the burner access door ensuring that it is properly in place 10 Restore the electric power to the furnace...

Страница 49: ...2 Pull the filter out the front 3 Replace with a fresh filter and reconnect power to the furnace The filter will have an arrow indicating proper airflow direction DO NOT OPERATE YOUR FURNACE OR AIR C...

Страница 50: ...nored The furnace achieves its mid efficiency in two general areas First there is no wasteful standing pilot The furnace consumes no gas in between cycles Secondly the furnace is designed to allow ver...

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