Nordyne M1GB 056 Installation Instructions And Owner'S Manuals Download Page 11

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Ceiling

Caulk under roof
flashing to prevent
water leakage

Secure flashing 
with appropriate 
fasteners

Secure lower roof
jack section with
no. 10 S.M. screws

Roof

Upper Roof 
Jack Section

Optional
Slant-Deck
Flashing

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Secure Roof Jack with
appropriate fasteners
after connecting to
furnace

Ceiling

Caulk under roof
flashing to prevent
water leakage

Roof

Optional #901943 
Ceiling Trim Ring
or #902521
2-piece Ceiling Ring

Figure 21. Flat Roof

Figure 22.

Figure 23. Pitched Roof

12.   INSTALLATION OF TRANSIT-MODE

  VENTING SYSTEM

MANUFACTURED HOME FACTORY

a. Furnace to be installed per furnace installation manual.
b. Roof Jack to be selected from Table 5 of these

instructions.

c. Roof Jack (less upper Roof Jack crown), with weather

cap to be installed as described under Install Roof
Jack.

d. Upper Roof Jack crown to be stored in a prominent

location inside manufactured home until on-site
installation.

e. The four warning tags supplied must be installed as

follows:

To weather cap

To fuel line connection point (Gas) or furnace
burner (Oil)

To furnace flame observation door (Gas or Oil)

To furnace wall thermostat

MANUFACTURED HOME SITE

a. Transit-mode weather cap to be removed and upper

Roof Jack crown installed (See Figure 24).

b. Place upper Roof Jack (crown) on to the flue pipe

assembly.  Be sure inside flue pipe attaches over inner
flue pipe. Be sure  outer Roof Jack pipe fits over outer
pipe.  Secure in place using three (3), #10, 1/2" sheet
metal screws removed in step #a. Do not use the same
holes which secured the rain cap in place.

c. Venting system warning tags to be removed and

discarded.

13.  ELECTRICAL WIRING

Refer to the wiring diagram in these instructions or affixed to
the inside of the control box cover for the wiring of your
particular unit.

ELECTRICAL BRANCH SUPPLY CIRCUITS.
Route all electrical wiring to the left side of the furnace.  For
installation of “A” Cabinet furnaces, allow sufficient slack in
the wiring if an optional cooling coil cabinet is added at a later
time.  

Use of copper conductors is recommended.

WARNING:

Failure to properly secure the flue pipe to the
furnace may result in fire, explosion or
asphyxiation when operating the furnace.

!

WARNING:

Any attempt to operate furnace before replacing
transit-mode weather cap with upper roof jack
section may result in hazard of fire, explosion or
asphyxiation.

!

Summary of Contents for M1GB 056

Page 1: ...fire department Installation and service must be performed by a qualified installer service agency or the gas supplier WARNING Iftheinformationinthismanualisnotfollowedexactly afireorexplosionmayresu...

Page 2: ...E GUIDE 18 18 MAINTENANCE 22 19 OPTIONAL ACCESSORIES 23 20 WIRING DIAGRAMS 24 26 21 EQUIVALENT ORIFICE SIZES AT HIGH ALTITUDES 27 Table 1 Model Identification Door Color W White G Gray Cabinet Dimensi...

Page 3: ...nstallation Blower Assemblies A C Capacity Blower Wheel Motor Hp Ton 903412 10 x 8 1 3 2 2 3 903413 11 x 8 1 2 2 2 3 4 903414 10 x 8 3 4 2 2 3 4 5 Part No Blower Motor Assembly Furnace Input Output Or...

Page 4: ...ion furnace adjustments improper operating procedure on the part of the user etc Some specific examples of service calls which cannot be included in warranty payments are 1 Converting the furnace to u...

Page 5: ...followingconditionstohave acceptablereturnairsystemsfor closet installed forced air heating appliances a Regardless of the location the return air opening into the closet shall not be less than specif...

Page 6: ...ertiduct program to determine proper duct size for A C 8 AIR DISTRIBUTION SYSTEMS For proper air distribution the supply duct system must be designed so that the static pressure measured external to t...

Page 7: ...2 ROOF SLOPE 2 SLANT DECK 12 1 2 ROOF JACK WITH 2 FLASHING 12 SLANT 1 2 S S AW T 20 32 2 AW ALL WEATHER FLASHING PITCH 12 RISE 0 FLAT 2 2 5 12 4 4 12 MIN ADJ LENGTH F S FLAT FLASHING SLANT FLASHING TY...

Page 8: ...flooropening SeeFigure13 b Cut ceiling and roof holes as follows Ceiling Hole 8 3 4 222 mm diameter Roof Hole 9 3 8 238 mm diameter c DO NOT ALLOW DEBRIS TO FALL INTO THE FURNACE THIS COULD CAUSE UNSA...

Page 9: ...8 CUT DUCT OPENING a Place duct connector through the floor opening with bottom tabs resting on top of the supply air duct b Center duct connector and push back against rear edge of floor opening c Ma...

Page 10: ...r opening c Slide onto mounting plate Bottom rear slots on furnace should engage with mounting plate tabs d Secure front with one 1 fastener at each corner See Figure 19 or 20 NOTE Additional fastener...

Page 11: ...ion door Gas or Oil To furnace wall thermostat MANUFACTURED HOME SITE a Transit mode weather cap to be removed and upper Roof Jack crown installed See Figure 24 b Place upper Roof Jack crown on to the...

Page 12: ...ircuit 2 wire is required for furnace only 5 wire for heating and optional cooling systems Once the furnace is installed check the thermostat anticipator against the nominal setting of 0 4 1 Connect t...

Page 13: ...ttom of the fuel tank to the fuel pump must not exceed ten feet Keep the tank filled especially in the summer to reduce the accumulation of condensation CAUTION The furnace must be converted by a qual...

Page 14: ...n the oil supply line and all plugs nuts and fittingsonthepumpmustbeairtight Thisincludesthenutthat covers the pressure adjustment It is important that the hook up be done carefully and with a good fl...

Page 15: ...old the control lever for about one 1 minute after the pilot is lit Release the lever and it will spring back to the PILOT position Pilot should remain lit If it goes out repeat steps d through h abov...

Page 16: ...appliancebeforeservicing unit c Set the ON OFF switch to OFF d Honeywell pushinthegascontrolknobandturnclockwise to OFF Robertshaw push the gas control lever to OFF e Replace the furnace door SEQUENCE...

Page 17: ...ust be reset e When call for heat is satisfied the thermostat contacts open and the burner will stop Gas Gun Models M1 gas gun furnaces may be converted to oil gun in the field by using the proper con...

Page 18: ...hrough the observation door The same pilot orifice is used with both natural and L P gas b After this sequence the control module tests to see if flame is sensed If it has the furnace continues to hea...

Page 19: ...wn in Figure 32 Do not permit any electrodes to be grounded to any surface GAS CONVERSION This gas fired heating appliance was shipped from the factory for use with natural gas However the appliance c...

Page 20: ...o put the furnace into operation NOTE Thepilotflameisadjustablebyturningtheadjustment screw located on the gas valve with a small screwdriver See Figure 29 TROUBLESHOOTING STANDING PILOT MODELS Main B...

Page 21: ...s Closed a Check for polarity b Check ground c Check flue d Check combustion air e Check gas pressure f Check orifice g Check the position of ignitor a normal reading should be 40 75 ohms 24 Volts Sup...

Page 22: ...filters with a vacuum or with warm water and soap Reinstall when dry Also clean dust and lint around furnace and in the furnace vestibule Figure 35 3 Seasonal Service Information During extremely col...

Page 23: ...thasbeendesignedspecifically for manufactured housing applications and can best handle your home comfort needs Listed and ARI Certified all models are protected by the NORDYNE Air Conditioner Limited...

Page 24: ...ied with the appliance must be replaced use 105 C Thermoplastic type wire or its equivalent BLACK BLACK SUPPLIED BY INSTALLER BLUE WHITE MANUAL RESET VENT SWITCH 1 5 2 3 6 4 GAS VALVE FAN SWITCH HI LI...

Page 25: ...ce orange wire with red wire low speed NOTE To run at same speed in both heating and cooling mode remove wire from either terminal 4 or 6 on the relay then attach jumper to terminals 4 and 6 6 5 4 3 2...

Page 26: ...original wires as supplied with the appliance must be replaced use 105 C Thermoplastic type wire or its equivalent SUPPLIED BY INSTALLER C W G R COM BLUE 1 5 2 A C BLOWER RELAY 3 6 4 FAN SWITCH HI LIM...

Page 27: ...2 46 2 44 4 42 6 40 9 39 3 37 7 ORIFICE SIZE NAT GAS 21 23 23 24 25 26 27 28 28 29 M1M 077 ORIFICE SIZE LP 40 41 42 42 42 43 43 44 44 45 OUTPUT MBTUH 61 7 56 9 54 6 52 4 50 3 48 3 46 4 44 5 42 7 41 0...

Page 28: ...MO 707776C Replaces 707776B Specifications and illustrations subject to change without notice and without incurring obligations Printed in U S A 04 99 INSTALLER Please leave these installation instruc...

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