background image

443 06 4003 00

3

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)

OR

1/8-IN. (7 MM) THICK ANGLE

MOUNTING

BRACKET (TYPICAL BOTH SIDES)

FASTEN FURNACE TO CASING

SCREWS THROUGH

CASING FLANGES

OR

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)

OR

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.

Summary of Contents for NAHB00101MH

Page 1: ...hat 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 curren...

Page 2: ...Gas to Propane 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 combust...

Page 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 sc...

Page 4: ...tor 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 burn...

Page 5: ...igure 8 for label location 1 Attach Conversion Responsibility Label 340323 101 inside of main furnace door See Figure 7 Date name and address of organization making this conversion are required See Fi...

Page 6: ...n 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 s...

Page 7: ...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 A12392 2 in 2 5 mm 3 8 in 3 16 in 0 8 1 5 50 mm 9 6 mm 4 6 mm 3 32 in 1 32 3 64 in Figure 1...

Page 8: ...iels 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...

Page 9: ...re 9 2 Align the orifices in the manifold assembly with 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 aga...

Page 10: ...osition 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 Attac...

Page 11: ...lamme vive Utilisez plut t un savon fait specifiquement pour la d tection des fuites de gaz pour verifier tous les connections Un incendie ou une explosion peut entrainer des dommages mat riels des bl...

Page 12: ...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...

Page 13: ...e 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 di...

Page 14: ...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 inj...

Page 15: ...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 uti...

Page 16: ...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...

Page 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...

Page 18: ...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...

Reviews: