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Two-Stage Variable Speed

Gas-Fired Furnace

Installation Instructions

This Forced Air Central Furnace design complies with require-

ments embodied in

The American National Standard / National Standard of Canada

shown below:

ANSI Z21.47·CSA-2.3 Gas Fired Central Furnaces

DESIGN

C ERTIFIED

C E R T I F I E D

February 2003

Part No. 10759833
Printed in USA

C om fort. Q uality. Trust.

Heating

Air Conditioning

Goodman Company, L.P.

1810 Wilson Parkway • Fayetteville, Tennessee 37334

www.amana-hac.com

Содержание 10759833

Страница 1: ...ied in The American National Standard National Standard of Canada shown below ANSI Z21 47 CSA 2 3 Gas Fired Central Furnaces DESIGN C ERTIFIE D C E R T I F I E D February 2003 Part No 10759833 Printed...

Страница 2: ...al circumstances beyond our control such as power outages gas service interruptions product installation or component failures could result in heating system operational problems Table of Contents Saf...

Страница 3: ...iary Limit 29 High or Primary Limit 30 Safety Circuit Description 31 Integrated Ignition Control 31 Primary Limit 31 Auxiliary Limit 31 Rollout Limit 31 Pressure Switches 31 Flame Sensor 31 Burner Box...

Страница 4: ...ce must be performed by a qualified installer service agency or the gas supplier WARNING Should overheating occur or the gas supply fail to shut off turn off the manual gas shut off valve external to...

Страница 5: ...micalorchemicalswhichmaycauseseriousillness ordeathandwhichareknowntotheStateofCaliforniatocausecancer birthdefectsorother reproductive harm WARNING To prevent possible death personal injury or proper...

Страница 6: ...er 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 transportati...

Страница 7: ...lation Codes local plumbing or waste water codes and other applicable codes A copy of the National Fuel Gas Code NFPA 54 ANSI Z223 1 can be obtained from any of the following American National Standar...

Страница 8: ...ated problems Do not install the furnace where the combustion air is ex posed to the following substances chlorinated waxes or cleaners chlorine based swimming pool chemicals water softening chemicals...

Страница 9: ...system Turn on any exhaust fans such as range hoods and bathroom exhausts so they shall operate at maximum speed Do not operate a summer exhaust fan Close fireplace dampers d Follow the lighting instr...

Страница 10: ...atmosphere and all flue gases are discharged to the outside atmosphere or 2 enclosed furnaces which incor porate an integral total enclosure and use only outside air for combustion and dilution of flu...

Страница 11: ...BTU of the total input rating of all equipment in the enclosure Inlet Air Ventilation louvers for unheated crawl space Alternate air inlet Ventilation louvers each end of attic Equipment Located in Co...

Страница 12: ...ombustion ventilation and dilution of flue gases 5 3 5 Louvers and Grilles In calculating free area in 5 3 3 consideration shall be given to the blocking effect of louvers grilles or screens protectin...

Страница 13: ...CSA B149 1 and CAN CSA B149 2 latest editions and amendments NOTE The vertical height of the Category I venting system must be at least as great as the horizontal length of the venting system WARNING...

Страница 14: ...death or personal injury due to electrical shock disconnect electrical power 2 Remove the round cutout from the side of the fur nace NOTE The assembly starting from the outside is induced draft blower...

Страница 15: ...held it in place Note There are several screw holes but only four screws This is intentional and not a manufacturing defect 3 As shipped the rollout protection device is located near the flame sensor...

Страница 16: ...pplicablecodes Thefurnacemustbeelectricallygrounded in accordance with local codes or in their absence with the latest edition of The National Electric Code ANSI NFPA 70 and or The Canadian Electric C...

Страница 17: ...wire should run from the furnace ground screw located inside the furnace junction box all the way back to the electrical panel NOTE Do not use gas piping as an electrical ground To confirm proper uni...

Страница 18: ...e as follows Humidifier 1 0 Amp maximum at 120 VAC Electronic Air Cleaner 1 0 Amp maximum at 120 VAC Turn OFF power to the furnace before installing any accessories Follow the humidifier or air cleane...

Страница 19: ...ppliances on that line that could be operated simultaneously Gas Supply and Piping Inlet Gas Pressure Natural Min 5 0 W C Max 10 0 W C Propane Min 11 0 W C Max 13 0 W C Inlet Gas Pressure Must Not Exc...

Страница 20: ...itude ranges and corresponding manufacturer s pressure switch kits Gas Piping Connections The gas piping supplying the furnace must be properly sized based on the gas flow required specific gravity of...

Страница 21: ...ough the right side of the furnace the installer must supply the following fittings starting from the gas valve 90 degree elbows 2 Close nipple Straight pipe to reach the exterior of the furnace A gro...

Страница 22: ...essure testing supply piping system with test pressures equal to or less than 1 2 psig 3 48 kPa Gas Supply and Piping Propane Gas and or High Altitude Installations WARNING Possible death personal inj...

Страница 23: ...nits to propane gas See Specification Sheet for kit part number for this model All propane gas equipment must conform to the safety standards of the National Board of Fire Underwriters See NBFU Manual...

Страница 24: ...8 19 39 66 100 187 54 112 209 439 665 250 8 17 36 60 93 172 48 100 185 390 590 Data in accordance with NFPA pamphlet NO 54 Sizing Between First and Second Stage Regulator Maximum Propane Capacities l...

Страница 25: ...etween 55 F and 100 F When a furnace is installed so that supply ducts carry air circulated by the furnace to areas outside the space containing the furnace the return air shall also be handled by a d...

Страница 26: ...installed NOTE An interlock switch prevents furnace operation if the blower door is not in place Keep the blower access doors in place except for inspection and maintenance FURNACE STARTUP 1 Close the...

Страница 27: ...from the table make necessary adjustments to pressure regulator gas piping size etc and or consult with local gas utility 5 Turn OFF gas to furnace at the manual shutoff valve and disconnect manomete...

Страница 28: ...sec ft3 Input 106 000 BTU hr 5 Repeat steps 1 through 3 on high stage 2nd stage NOTE The final manifold pressure cannot vary by morethan 0 3 w c fromthespecifiedsetting Consult yourlocalgassupplierif...

Страница 29: ...nd the adjustment to minus NOTE Continuous Fan Speed will be 56 of high stage cooling 4 Locate the blower speed selection DIP switches on the integrated control module Select the desired cool ing spee...

Страница 30: ...djust Taps indicates factory setting Startup Procedure and Adjustment Adjust Blower Heat Off Delay The integrated control module provides a selectable heat off delay function The heat off delay period...

Страница 31: ...motor will run on the high heating speed for thirty seconds and then switch to the low heating speed for the balance of the heat off delay period 30 60 90 or 150 seconds Circulator blower and electron...

Страница 32: ...fixed 45 second cool off delay period The speed run during this period depends on the last cooling call from the thermostat If the call was for low cool the blower will operate at 88 of low cool speed...

Страница 33: ...tion Example 1 Continuous Call For Low Stage Heat Only 0 10 30 33 34 64 94 0 15 30 60 90 90 120 120 or 150 or 180 210 Circulator Blower Gas Valve Igniter Pressure Switches Induced Draft Blower Thermos...

Страница 34: ...losed Open High Low Off High Low Off 0 10 30 33 34 64 94 0 15 60 90 90 120 120 or 150 or 180 210 Circulator Blower Gas Valve Igniter Pressure Switches Induced Draft Blower Thermostat High Low Off High...

Страница 35: ...hermostat Time sec Call For Cool High Low Off High Low Off 88 of Low Example 2 Continuous Call For High Stage Cooling Only 0 5 35 0 45 High Low Off Circulator Blower Outdoor Fan And Compressor Thermos...

Страница 36: ...air circulation blower will run continuously The diagnostic light will flash four times These symptoms are identical to a trip of the primary limit control The auxiliary limit control is designed to...

Страница 37: ...e causes unit over heating and will produce the following reactions The gas valve to close and extinguish flame The induced draft blower to deenergized after a fifteen second postpurge and The circula...

Страница 38: ...heat exchanger compart ment temperatures They are a normally closed electri cally manual reset temperature activated sensor These limits guard against overheating as a result of insufficient conditio...

Страница 39: ...ontrol from its container Follow steps 1 through 3 if in stalling the control on a furnace Return any old or new controls to their containers before touching any un grounded object Furnace Lockout Fur...

Страница 40: ...ort Furnace fails to operate Integrated control module diagnostic LED is flashing TWO 2 flashes 2 2 FLASHES Induced draft blower pressure switch contacts sticking Shorts in pressure switch circuit Ins...

Страница 41: ...ction Check circulator blower speed and performance Correct speed or replace blower if necessary Check burners for proper alignment Check flue and air inlet piping for blockage proper length elbows an...

Страница 42: ...leakage Check the outside termination and the connections at and internal to the furnace Heat exchanger Check for corrosion and or buildup within the heat exchanger passageways Burners Check for prop...

Страница 43: ...Turn OFF electrical power to furnace 2 Remove the blower compartment door 3 Grasp the lower portion of the filter and lift up 4 Angle the filter towards the blower until the filter is clear of the bot...

Страница 44: ...he igniter should be replaced FLUE PASSAGES Inspect the heat exchanger flue passageways at the be ginning of each heating season If it is necessary to clean them follow the steps outlined below 1 Turn...

Страница 45: ...nctional parts are shown in the parts list all sheet metal parts doors etc may be ordered by description FUNCTIONAL PARTS LIST Two Stage Gas Valve Blower Box Gasket Natural Gas Orifice Rollout Limit S...

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