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Page 18

31-5000726 Rev. 0

Placement and Installation

All pipe, fittings, primer and solvent cement must conform

with American National Standard Institute and the American

Society for Testing and Materials (ANSI/ASTM) standards.

The solvent shall be free flowing and contain no lumps,

undissolved particles or any foreign matter that adversely

affects the joint strength or chemical resistance of the

cement. The cement shall show no gelation, stratification,

or separation that cannot be removed by stirring. Refer to

the Table 7 for approved piping and fitting materials.

Solvent cements for plastic pipe are flammable liquids

and should be kept away from all sources of ignition.

Do not use excessive amounts of solvent cement when

making joints. Good ventilation should be maintained to

reduce fire hazard and to minimize breathing of solvent

vapors. Avoid contact of cement with skin and eyes.

CAUTION

NF96UV exhaust and intake connections are made

of PVC. Use PVC primer and solvent cement when

using PVC vent pipe. When using ABS vent pipe, use

transitional solvent cement to make connections to the

PVC fittings in the unit.

IMPORTANT

Use PVC primer and solvent cement or ABS solvent

cement meeting ASTM specifications, refer to Table 7.

As an alternate, use all purpose cement, to bond ABS,

PVC, or CPVC pipe when using fittings and pipe made of

the same materials. Use transition solvent cement when

bonding ABS to either PVC or CPVC.

Low temperature solvent cement is recommended during

cooler weather. Metal or plastic strapping may be used for

vent pipe hangers. Uniformly apply a liberal coat of PVC

primer for PVC or use a clean dry cloth for ABS to clean

inside socket surface of fitting and male end of pipe to

depth of fitting socket.

Canadian Applications Only

- Pipe, fittings, primer and

solvent cement used to vent (exhaust) this appliance

must be certified to ULC S636 and supplied by a single

manufacturer as part of an approved vent (exhaust)

system. In addition, the first three feet of vent pipe from the

furnace flue collar must be accessible for inspection.

Table 8 lists the available exhaust termination kits.

Schedule 40 PVC (Pipe)

D1785

Schedule 40 PVC (Cellular Core Pipe)

F891

Schedule 40 PVC (Fittings)

D2466

Schedule 40 CPVC (Pipe)

F441

Schedule 40 CPVC (Fittings)

F438

SDR-21 PVC or SDR-26 PVC (Pipe)

D2241

SDR-21 CPVC or SDR-26 CPVC (Pipe)

F442

Schedule 40 ABS Cellular Core DWV

(Pipe)

F628

Schedule 40 ABS (Pipe)

D1527

Schedule 40 ABS (Fittings)

D2468

ABS-DWV (Drain Waste & Vent)

(Pipe & Fittings)

D2661

PVC-DWV (Drain Waste & Vent)

Pipe & Fittings)

D2665

PRIMER & SOLVENT CEMENT

ASTM

SPECIFICATION

PVC & CPVC Primer

F656

PVC Solvent Cement

D2564

CPVC Solvent Cement

F493

ABS Solvent Cement

D2235

PVC/CPVC/ABS All Purpose Cement For

Fittings & Pipe of the same material

D2564, D2235,

F493

ABS to PVC or CPVC Transition Solvent

Cement

D3138

CANADA PIPE & FITTING & SOLVENT

CEMENT

MARKING

PVC & CPVC Pipe and Fittings

ULCS636

PVC & CPVC Solvent Cement
ABS to PVC or CPVC Transition Cement

POLYPROPYLENE VENTING SYSTEM

ULC-S636

PolyPro® by Duravent
InnoFlue® by Centrotherm

ULC-S636

ECCO Polypropylene Vent

ULC-S636

Table 7. Piping and Fittings Specifications

Содержание GE NF96UV

Страница 1: ...31 5000726 Rev 0 10 22 GEA NF96UV 96 Upflow Horizontal Two Stage Variable Speed Gas Furnace Service Manual READ CAREFULLY KEEP THESE INSTRUCTIONS...

Страница 2: ...l on labels or in manuals be alert to the potential for personal injury or death Electric shock hazard Can cause injury or death Before attempting to perform any service or maintenance turn the electr...

Страница 3: ...5 7 7 40 154 NF96U090V5C 57 000 55 000 88 000 85 000 96 0 5 1 2 120 60 1 20 12 8 40 166 NF96U110V5C 72 000 70 000 110 000 105 000 96 0 5 1 2 120 60 1 15 12 8 40 173 NF96U135V5C 88 000 84 000 132 000 1...

Страница 4: ...945 1100 1245 Norm 830 935 980 1084 720 840 970 1115 30 60 Low Fire 960 1040 1120 1206 1st Stage 625 710 830 950 875 945 995 1100 565 670 760 860 Norm 790 840 920 950 520 610 685 785 NF96U090V5C 1 11...

Страница 5: ...idth 68W63 21 0 C Width 68W64 24 5 D Width Flush Mount Termination 90 Furnaces only 51W11 2 3 0 Vent US Concentric Vent Kit 90 Furnaces only 71M80 1 1 2 Vent Version US 69M29 2 Vent Version US 60L46 3...

Страница 6: ...726 Rev 0 Parts Arrangement Figure 1 CONTROL BOX BLOWER ASSEMBLY ACCESS PANEL COMBUSTION AIR INDUCER FLUE COLLAR BURNER BOX ASSEMBLY BLOWER DECK PRIMARY LIMIT CABINET HEAT EXCHANGER ASSEMBLY GAS VALVE...

Страница 7: ...ensure furnace ignition and ignitor durability The control provides gas ignition safety checks and indoor blower control with two stage gas heating The furnace combustion air inducer gas valve and ind...

Страница 8: ...100 CFM count the flashes and multiply by 100 to determine the actual CFM delivered for example 5 flashes x 100 500 CFM Pin Function 1 Gas Valve Second Stage 2 Second Stage Prove Switch 3 Rollout Swit...

Страница 9: ...Humidifier 120VAC Line Input 120VAC XFMR Transformer 120VAC EAC Indoor Air Accessory 120VAC Cool Cool Speed 120VAC Park 1 Dead terminal for alternate speed tap Park 2 Dead terminal for alternate speed...

Страница 10: ...earings MOTOR CONTROLLER J49 J48 Figure 5 GenTeq Blower Motor B3 STATOR WINDINGS OUTPUT SHAFT BEARING ROTOR Figure 6 Blower Motor Components Internal Operation Each time the controller switches a stat...

Страница 11: ...is the power plug Line voltage must be applied to J48 pins 4 and 5 in order for the motor to operate When using 120VAC pins 1 and 2 must be jumpered Jack J49 connects the unit controls to the motor Th...

Страница 12: ...AT output from controller to motor windings O volts 325VDC One revolution O volts 325VDC O volts 325VDC WINDING 1 WINDING 2 WINDING 3 O volts 325VDC O volts 325VDC O volts 325VDC WINDING 1 WINDING 2 W...

Страница 13: ...e burner box front panel in place Each burner uses an orifice that is precisely matched to the burner input Burners can be removed as a one piece assembly for service If burner assembly has been remov...

Страница 14: ...Page 14 31 5000726 Rev 0 Intake Air Top Cap Sensor Rollout Switch Rollout Switch Burner Assembly Ignitor Manifold And Gas Orifices Two Stage Gas Valve Burner Box Cover Figure 9 Heating Components...

Страница 15: ...ug Reading should be between 39 and 70 ohms If the reading is correct then the problem is with the wiring between the jack plug and the control If reading is not correct the issue is the ignitor Test...

Страница 16: ...e Tap positive Unit Set Point Low Heat Set Point High Heat 045 0 40 0 70 070 0 50 0 85 090 0 50 0 85 110 0 50 0 90 135 0 45 0 90 Table 6 Pressure Switch Setting 0 4500 Pressure Switch Check To check p...

Страница 17: ...Page 17 31 5000726 Rev 0 Black Tubing positive Red and Black or Red Tubing negative Tee 2 long Square Tubing Measuring Device 10 Long Square Tubing Figure 12 Pressure Switch Check...

Страница 18: ...commended during cooler weather Metal or plastic strapping may be used for vent pipe hangers Uniformly apply a liberal coat of PVC primer for PVC or use a clean dry cloth for ABS to clean inside socke...

Страница 19: ...to end of pipe 7 Immediately after applying last coat of cement to pipe and while both inside socket surface and end of pipe NF96UV VENT PIPE DIA in STANDARD CONCENTRIC Outdoor Exhaust Accelerator Dia...

Страница 20: ...er only FURNACE WATER HEATER OPENINGS To Adjacent Room If the NF96UV furnace replaces a furnace that was commonly vented with another gas appliance the size of the existing vent pipe for that gas appl...

Страница 21: ...t the problem Resize the common venting system to the minimum vent pipe size determined by using the appropriate tables in Appendix G These are in the current standards of the National Fuel Gas Code A...

Страница 22: ...utdoors 1 Use transition solvent cement or a sheet metal screw to secure the intake pipe to the inlet air connector 2 Route piping to outside of structure Continue with installation following instruct...

Страница 23: ...shortest length of 2 PVC pipe possible NOTE Exhaust pipe and intake pipe must be the same diameter TYPICAL INTAKE PIPE CONNECTIONS IN HORIZONTAL DIRECT OR NON DIRECT VENT APPLICATION RIGHT HAND DISCHA...

Страница 24: ...n sizing vent pipe in these applications NOTE The exhaust collar on all models is sized to accommodate 2 Schedule 40 vent pipe In horizontal applications any transition to exhaust pipe larger than 2 m...

Страница 25: ...n exhaust or intake terminations Doing so will cause freeze ups and may block the terminations IMPORTANT Model Min Vent Length All 15 ft or 5 ft plus 2 elbows or 10 ft plus 1 elbow Any approved termin...

Страница 26: ...0 70 48 13 93 92 73 73 69 10 31 16 65 65 43 8 88 87 68 68 64 Standard Termination Elevation 4500 10 000 ft Number of 90 Elbows Used 1 1 2 Pipe 2 Pipe 2 1 2 Pipe 3 Pipe Model Model Model Model 45 70 90...

Страница 27: ...0 60 44 9 76 76 69 69 60 10 23 8 55 55 39 n a 71 71 64 64 55 Concentric Termination Elevation 4 501 10 000 ft Number of 90 Elbows Used 1 1 2 Pipe 2 Pipe 2 1 2 Pipe 3 Pipe Model Model Model Model 45 70...

Страница 28: ...10 21 6 50 50 28 68 67 48 48 44 Standard Termination at Elevation 4500 10 000 ft Number of 90 Elbows Used 1 1 2 Pipe 2 Pipe 2 1 2 Pipe 3 Pipe Model Model Model Model 45 70 90 110 135 45 70 90 110 135...

Страница 29: ...protective coatings over building materials prolonged exposure to exhaust condensate can destroy protective coatings It is recommended that the exhaust outlet not be located within 6 feet 1 8m of an o...

Страница 30: ...6 14 14 23 23 0 to 20 18 to 29 1 1 2 in 8 N A 13 N A N A N A N A N A N A N A 2 in 6 4 12 10 19 16 18 15 N A N A 2 1 2 in N A N A 7 N A 13 N A 12 N A N A N A 3 in N A N A N A N A 8 8 7 7 13 13 1 Refer...

Страница 31: ...s 152mm for appliances 10 000 pliances 10 000 Btuh 3kw and 50 000 pliances 50 000 Btuh 15kw 6 inches 152mm for appliances 10 000 Btuh 3kw 12 inches 305mm for appliances 10 000 Btuh 3kw and 100 000 Btu...

Страница 32: ...t Air Minimum 12 in 305MM above grade or snow accumulation Figure 26 Exiting Exhaust and Intake Vent no common pressure zone 2 Intake and exhaust pipes should be placed as close together as possible a...

Страница 33: ...PROVIDED REDUCER MAY BE REQUIRED TO ADAPT LARGER VENT PIPE SIZE TO TERMINATION 12 305mm INTAKE AIR EXHAUST VENT Figure 29 Direct Vent Concentric Rooftop Termination 71M80 69M29 or 60L46 US 44W92 or 44...

Страница 34: ...above paved sidewalk or paved driveway located on public property Clearance under veranda porch deck or balcony 12 Equal to or greater than soffit depth 3 feet 9m 12 3 feet 9m within a height 15 feet...

Страница 35: ...exhaust pipe size must be done after the final elbow 4 Distance between exhaust pipe terminations on multiple furnaces must meet local codes UNCONDITIONED ATTIC SPACE 3 76MM OR 2 51MM PVC PROVIDE SUP...

Страница 36: ...bove grade or average snow accumulation B Horizontal separation between intake and exhaust C Minimum from end of exhaust to inlet of intake D Exhaust pipe length E Wall support distance from top of ea...

Страница 37: ...for all provinces of Canada GEA approves the following termination for use in all provinces of Canada C 12 D B A 2 51MM Vent Pipe 3 76MM Vent Pipe 12 305 mm Min 12 305 mm Min 6 152 mm Min 24 610 mm Ma...

Страница 38: ...elbow fitting into cold end header box Use Teflon tape or appropriate pipe dope NOTE Cold end header box drain plugs are factory installed Check the unused plug for tightness to prevent leakage 3 Ins...

Страница 39: ...not possible a heat cable kit may be used on the condensate trap and line Heating cable kit is available in various lengths 6 ft 1 8m kit no 26K68 24 ft 7 3m kit no 26K69 and 50 ft 15 2m kit no 26K70...

Страница 40: ...required Trap at coil is optional Field Provided Vent Figure 43 Furnace with Evaporator Coil Using a Common Drain Unit shown in horizontal left hand discharge position Condensate Drain Connection 4 m...

Страница 41: ...h PVC Pipe Not Furnished Drain Assembly for 3 4 inch Drain Pipe Condensate Drain Connection In Unit Condensate Drain Connection In Unit Vent To Drain Condensate Drain Connection In Unit Optional Conde...

Страница 42: ...inch PVC To Drain 90 Elbow 1 2 inch PVC Not Furnished 1 2 inch PVC Pipe Not Furnished Drain Assembly for 3 4 inch Drain Pipe 90 Street Elbow 1 2 inch PVC Not Furnished Condensate Drain Connection In...

Страница 43: ...ove the switch Never use tools If the the switch will not move by hand replace the valve Do not try to repair it Force or attempted repair may result in a fire or explosion Placing the Furnace into Op...

Страница 44: ...ontrol to shut the unit off 6 Is gas turned on at the meter 7 Is the manual main shut off valve open 8 Is the internal manual shut off valve open 9 Is the unit ignition system in lockout If the unit l...

Страница 45: ...ted 1 Connect the test gauge positive side to manifold pressure tap on gas valve as noted above 2 Tee into the gas valve regulator vent hose and connect to test gauge negative 3 Ignite unit on low fir...

Страница 46: ...00ft 6501 7500ft 7501 10000ft Low Fire High Fire Low Fire High Fire Low Fire High Fire Low Fire High Fire Low Fire High Fire Min Max All Models Natural 1 7 3 5 1 6 3 3 1 5 3 2 1 5 3 1 1 7 3 5 4 5 13 0...

Страница 47: ...n of load indicates a poor or partial ground Compare the readings to Table 17 If the readings exceed the maximum shown in Table 17 make repairs before operating the furnace 2 In addition measure the A...

Страница 48: ...Temperature Rise ________ SUPPLY AIR Temperatures RETURN AIR Figure 50 Temperature Rise External Static Pressure 1 Tap locations shown in Figure 51 2 Punch a 1 4 diameter hole in supply and return air...

Страница 49: ...pressure drop may also cause the limit to trip more frequently during the winter and the indoor coil to freeze in the summer resulting in an increase in the number of service calls Before using any f...

Страница 50: ...ssure switch assembly Remove the assembly Keep tubing attached to pressure switches 14 Disconnect the plug from the combustion air inducer Remove two screws which secure combustion air inducer to coll...

Страница 51: ...res from the gas valve 3 Remove the burner box cover if equipped 4 Disconnect the gas supply line from the gas valve Remove gas valve manifold assembly 5 Mark and disconnect sensor wire from the senso...

Страница 52: ...ING OF AT LEAST 90 c 2 PROPER POLARITY MUST BE OBSERVED FOR FIELD LINE VOLTAGE SUPPLY IGNITION CONTROL WILL LOCK OUT IF POLARITY IS REVERSED 3 FOR TEMPORARY SERVICE REPLACEMENT OF CIRCULATING BLOWER M...

Страница 53: ...ains energized until the limits are closed Fan On When the thermostat is set for continuous fan operation and there is no demand for heating or cooling a call for fan closes the R to G circuit and the...

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