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443 06 4001 01

Specifications subject to change without notice.

Figure 1

Securing Furnace to Structure

RETURN AIR PLENUM

(WHEN USED)

WALL STUDS

ATTACH

ADHESIVE

POUCH TO

DOOR

OR SIDE

FURNACE

COIL

CASING

SECURE FURNACE TO STRUCTURE

PIPE STRAP-REMOVE SLACK

(TYPICAL BOTH SIDES)

1/8-IN. (7 MM) THICK ANGLE

MOUNTING

BRACKET (TYPICAL BOTH SIDES)

FASTEN FURNACE TO CASING

SCREWS THROUGH

CASING FLANGES

PIPE STRAP FASTENED TO

FURNACE AND COIL CASING SIDES

(TYPICAL BOTH SIDES)

1-IN. (25 MM) MAXIMUM

SECURE COIL CASING TO FLOOR

LAG SCREWS THROUGH COIL CASING

FLANGE (TYPICAL BOTH SIDE)

ANGLE BRACKET OR PIPE STRAP

NOTE: USE 5/16-IN. (8 MM) LAG SCREWS WHEN
SECURING TO STRUCTURE WALLS AND FLOOR.
USE NO. 10 SELF-TAPPING SCREWS WHEN FASTENING
TO SHEET METAL.

A11492

WHEN COIL CASING IS NOT INSTALLED (NOT SHOWN)

1. Accessory floor base MUST be used. Review floor base

Installation Instructions before installation.

2. Secure accessory floor base to structure using 5/16

−

in.

(8 mm) lag screws.

3. Fasten furnace to accessory floor base using No.10 self

tapping screws through tabs on both sides of base (two

each side).

Procedure 2 — Replace Gas Valve

CAUTION

UNIT OPERATION HAZARD

Failure to follow this caution may result in unit damage or

improper operation.
Label all wires prior to disconnection when servicing controls.

PRUDENCE

D’EQUIPEMENT D’OPERATION

Toute erreur de câblage peut être une source de danger et

de panne.
Lors des opérations d’entretien des commandes, étiqueter

tous les fils avant de les déconnecter.

WARNING

FIRE, EXPLOSION, ELECTRICAL SHOCK HAZARD

Failure to follow this warning could result in personal injury,

death or property damage.
Gas supply MUST be shut off before disconnecting electrical

power and proceeding with conversion.

Содержание NAHA00101MH

Страница 1: ...autions that may apply Follow all safety codes In the United States follow all safety codes including the current edition of the National Fuel Gas Code NFGC NFPA No 54 ANSI Z223 1 In Canada refer to the current edition of the National Standard of Canada Natural Gas and Propane Installation Codes NSCNGPIC CAN CSA B149 1 and 2 Wear safety glasses and work gloves Have a fire extinguisher available du...

Страница 2: ...SECTION III Conversion from Propane to Natural Gas SECTION I INITIAL KIT INSTALLATION Procedure 1 General A downflow furnace application is where furnace blower is located above combustion and controls section of furnace and conditioned air is discharged downwards Attach adhesive pouch containing literature packet and gas conversion parts to outside of main furnace door or accessible side of furna...

Страница 3: ...SING IS NOT INSTALLED NOT SHOWN 1 Accessory floor base MUST be used Review floor base Installation Instructions before installation 2 Secure accessory floor base to structure using 5 16 in 8 mm lag screws 3 Fasten furnace to accessory floor base using No 10 self tapping screws through tabs on both sides of base two each side Procedure 2 Replace Gas Valve CAUTION UNIT OPERATION HAZARD Failure to fo...

Страница 4: ...ctor harness from gas valve Disconnect wires from Hot Surface Igniter HSI and Flame Sensor See Figure 9 8 Support the manifold and remove the four 4 screws that secure the manifold assembly to the burner box and set aside 9 Note the location of the green yellow wire ground wire for re assembly later See Figure 3 10 Remove production gas valve from manifold assembly and discard valve NOTE Productio...

Страница 5: ...Figure 8 for label location 1 Attach Conversion Responsibility Label 337993 101 inside of main furnace door See Figure 7 Date name and address of organization making this conversion are required See Figure 5 2 Attach Conversion Rating Plate Label 338299 101 inside of lower left hand side of controls compartment downflow as shown in Figure 6 3 Attach Manufactured Mobile Home Installation Label 3222...

Страница 6: ...on furnace rating plate is for installations at altitudes up to 2000 ft 610 M In the U S A the input rating for altitudes above 2000 ft 610 M must be reduced by 2 percent for each 1000 ft 305 M above sea level In Canada the input rating must be derated by 5 percent for altitudes of 2000 ft to 4500 ft 610 M to 1372 M above sea level The Conversion Kit Rating Plate accounts for high altitude derate ...

Страница 7: ... Drill out with 7 64 drill bit A11460 Figure 14 Igniter Position Back View 2 1 2 in 64 4 1 1 4 in 31 8 A11405 Figure 15 Igniter Position Side View 2 in 2 5 mm 75 mm 3 8 in 3 16 in A11272 Figure 16 Convertible Gas Valve ON OFF SWITCH INLET PRESSURE TAP REGULATOR PLUNGER LP NAT CONVERTIBLE CAP GAS PRESSURE REGULATOR MANIFOLD PRESSURE TAP NAT LP BURNER ENCLOSURE PRESSURE REFERENCE TAP A11508 ...

Страница 8: ...ls des blessures ou la mort 2 Apply pipe dope sparingly to the male threads of the 1 8 in black iron street elbow Install the street elbow into the gas valve inlet pressure tap Point the open end of the street elbow toward you 3 Apply pipe dope sparingly to the male threads of the 1 8 in brass street tee Install the male end of the street tee as shown in Figure 17 One opening on the street tee sho...

Страница 9: ...th the support rings on the end of the burner 3 Insert the orifices in the support rings of the burners Manifold mounting tabs should fit flush against the burner box NOTE If manifold does not fit flush against the burner box the burners are not fully seated forward Remove the manifold and check burner positioning in the burner box assembly 4 Attach the green yellow wire and ground terminal to one...

Страница 10: ...sition CHECK FURNACE AND MAKE ADJUSTMENTS 1 Be sure main gas and electric supplies to furnace are off 2 Remove 1 8 in 3 mm pipe plug from manifold pressure tap on downstream side of gas valve 3 Attach manometer to manifold pressure tap on gas valve See Figure 16 4 Turn gas supply manual shutoff valve to ON position 5 Turn furnace gas valve switch to ON position WARNING FIRE AND EXPLOSION HAZARD Fa...

Страница 11: ...flamme vive Utilisez plutôt un savon fait specifiquement pour la détection des fuites de gaz pour verifier tous les connections Un incendie ou une explosion peut entrainer des dommages matériels des blessures ou la mort 18 Check pressure tap plug for gas leaks when main burners ignite 19 Check for correct burner flame 20 Observe unit operation through two complete heating cycles 21 See Sequence of...

Страница 12: ...ed by manifold pressure and orifice size Furnace gas input rate on rating plate is for installations at altitudes up to 2000 ft 610 M In the U S A the input rating for altitudes above 2000 ft 610M must be reduced by 2 percent for each 1000 ft 305 M above sea level In Canada the input rating must be derated by 5 percent for altitudes of 2000 ft 610 M to 4500 ft 1372 M above sea level Furnace input ...

Страница 13: ...the 1 8 in NPT pipe plug from the tee fitting on the Low Gas Pressure Switch 5 Remove the Low Gas Pressure Switch from fittings on gas valve and discard 6 Remove remaining fittings from gas valve and discard 7 Install manometer fitting to the open end of the brass street tee Or if installation is to be completed later apply pipe dope to inlet pressure plug from gas valve and install in open end of...

Страница 14: ...s with an open flame Use a commercially available soap solution made specifically for the detection of leaks to check all connections A fire or explosion may result causing property damage personal injury or loss of life AVERTISSEMENT RISQUE D EXPLOSION ET D INCENDIE Le fait de ne pas suivre cet avertissement pourrait entraîner des dommages corporels et ou la mort Ne jamais examiner pour les fuite...

Страница 15: ...c for gas meter test dial to complete one revolution e Refer to Table 4 for cu ft of gas per hr f Multiply gas rate cu ft hr X heating value Btu cu ft using natural gas heating value from local gas utility supplier g Fill in Conversion Responsibility Label 321102 101 located on inside of main furnace door Date name and address of organization making the conversion is required h Check for gas leaks...

Страница 16: ...3 2 42 3 3 42 3 4 915 825 43 3 6 43 3 7 43 3 8 42 3 2 850 44 3 8 43 3 5 43 3 6 43 3 7 875 44 3 6 44 3 7 43 3 4 43 3 5 4000 900 44 3 4 44 3 5 44 3 7 44 3 8 1219 925 44 3 2 44 3 4 44 3 5 44 3 6 950 44 3 1 44 3 2 44 3 3 44 3 4 750 42 3 3 42 3 4 42 3 5 42 3 6 4001 775 43 3 7 43 3 8 42 3 3 42 3 4 1220 800 43 3 5 43 3 6 43 3 7 43 3 8 825 44 3 8 43 3 4 43 3 5 43 3 6 850 44 3 5 44 3 7 44 3 8 43 3 4 5000 8...

Страница 17: ... 3 3 42 3 4 2134 700 43 3 5 43 3 7 43 3 8 42 3 2 725 44 3 8 43 3 4 43 3 5 43 3 6 750 44 3 5 44 3 7 44 3 8 43 3 4 8000 775 44 3 3 44 3 4 44 3 5 44 3 7 2438 800 44 3 1 44 3 2 44 3 3 44 3 4 825 44 2 9 44 3 0 44 3 1 44 3 2 625 42 3 4 42 3 5 42 3 6 42 3 7 8001 650 43 3 8 42 3 2 42 3 3 42 3 4 2439 675 43 3 5 43 3 6 43 3 7 42 3 2 700 44 3 7 43 3 4 43 3 5 43 3 6 725 44 3 5 44 3 6 44 3 7 44 3 8 9000 750 44...

Страница 18: ...23 157 313 783 66 54 109 273 24 150 300 750 68 53 106 265 25 144 288 720 70 51 103 257 26 138 277 692 72 50 100 250 27 133 267 667 74 48 97 243 28 129 257 643 76 47 95 237 29 124 248 621 78 46 92 231 30 120 240 600 80 45 90 225 31 116 232 581 82 44 88 220 32 113 225 563 84 43 86 214 33 109 218 545 86 42 84 209 34 106 212 529 88 41 82 205 35 103 206 514 90 40 80 200 36 100 200 500 92 39 78 196 37 9...

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