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507332-02G / 31-5000663

Page 2 of 35

Issue 2209

3/4 (19)

Front Panel

GAS PIPING INLET

(Either Side)

FLUE OUTLET

(Top)

ELECTRICAL INLET

(Either Side)

RETURN AIR

OPENING

FRONT VIEW

SIDE VIEW

TOP VIEW

D

27-3/4

(705)

19-1/4

(489)

6-5/8 (168) Right

7-1/8 (181) Left

5-3/8 (137) Right

2-3/16 (56) Left

3/4

(19)

19-7/16

(494)

9/16

(14)

B

Supply

Air

9/16

(14)

9/16

(14)

3-1/8

(79)

9/16

(14)

19-7/16

(494)

(19)

3/4

(19)

A

B

9/16

(14)

C

3/4

AIR FLOW

Unit Dimensions

Capacity

A

B

C

D

in.

mm

in.

mm

in.

mm

in.

mm

045-3A 

070-3A

14-1/2

368

13-3/8

340

13

330

4-3/4

121

070-3B 

090-4B

17-1/2

446

16-3/8

416

16

406

6-1/4

159

110-5C

21

533

19-7/8

504

19-1/2

495

8

203

Summary of Contents for GE NF80DS

Page 1: ...tallation and service must be performed by a licensed professional installer or equivalent service agency or the gas supplier WARNING As with any mechanical equipment personal injury can result from contact with sharp sheet metal edges Be careful when you handle this equipment CAUTION Table of Contents Unit Dimensions 2 Parts Arrangement 3 Gas Furnace 4 Shipping and Packing List 4 Safety Informati...

Page 2: ...5 19 1 4 489 6 5 8 168 Right 7 1 8 181 Left 5 3 8 137 Right 2 3 16 56 Left 3 4 19 19 7 16 494 9 16 14 B Supply Air 9 16 14 9 16 14 3 1 8 79 9 16 14 19 7 16 494 19 3 4 19 A B 9 16 14 C 3 4 AIR FLOW Unit Dimensions Capacity A B C D in mm in mm in mm in mm 045 3A 070 3A 14 1 2 368 13 3 8 340 13 330 4 3 4 121 070 3B 090 4B 17 1 2 446 16 3 8 416 16 406 6 1 4 159 110 5C 21 533 19 7 8 504 19 1 2 495 8 20...

Page 3: ...ucer Control Box includes integrated control interlock switch and transformer Gas Valve Burner Box includes sensor ignitor and rollout switches Combustion Air Inducer Blower Access Panel Heating Compartment Access Panel Heat Exchanger Flue Chase Blower Assembly Secondary Limit Parts Arrangement ...

Page 4: ...f gas furnaces must conform with local building codes In the absence of local codes units must be installed according to the current National Fuel Gas Code ANSI Z223 1 The National Fuel Gas Code is available from the following address American National Standards Institute Inc 11 West 42nd Street New York NY 10036 Clearances Adequate clearance must be made around the air openings into the vestibule...

Page 5: ... has not been certified for installation in mobile homes recreational vehicles or outdoors Use of Furnace as a Construction Heater Units may be used for heating of buildings or structures under construction if the following conditions are met to ensure proper operation DO NOT USE THE UNIT FOR CONSTRUCTION HEAT UNLESS ALL OF THE FOLLOWING CRITERIA ARE MET a Furnace must be in its final location The...

Page 6: ...or combustion and ventilation use the guidelines and procedures in this section to install this furnaces to ensure efficient and safe operation You must consider combustion air needs and requirements for exhaust vents and gas piping A portion of this information has been reprinted with permission from the National Fuel Gas Code ANSI Z223 1 This reprinted material is not the complete and official p...

Page 7: ...the confined space either from inside the building or from outside Figure 3 Equipment in Confined Space All Air From Inside NOTE Each opening shall have a free area of at least one square inch per 1 000 Btu 645 mm per 29 kW per hour of the total input rating of all equipment in the enclosure but not less than 100 square inches 64546 mm Air from Inside If the confined space that houses the furnace ...

Page 8: ...input rating of all equipment in the enclosure If the equipment room is located against an outside wall and the air openings communicate directly with the outdoors each opening shall have a free area of at least 1 square inch per 4 000 Btu 645 mm per 1 17 kW per hour of the total input rating of all other equipment in the enclosure Setting Equipment Do not install the furnace on its front or its b...

Page 9: ...ury or death Combustion and flue products must never be allowed to enter the return air system or air in the living space Use sheet metal screws and joint tape to seal return air system to furnace In platform installations with furnace return the furnace should be sealed airtight to the return air plenum A door must never be used as a portion of the return air duct system The base must provide a s...

Page 10: ...mber Front to Rear Side to Side in mm in mm A 14 1 2 11M59 22 559 15 3 4 400 B 17 1 2 11M60 18 3 4 476 C 21 11M61 22 3 4 578 Figure 11 2 After opening is cut set the combustible flooring base into opening 3 Check fiberglass strips on the combustible flooring base to make sure they are properly glued and positioned 4 Lower supply air plenum into the combustible flooring base until plenum flanges se...

Page 11: ...e the furnace in the heating mode with an external static pressure that exceeds 0 8 inches w c Higher external static pressures may cause erratic limit operation Supply Air Plenum If the furnace is installed without a cooling coil a removable access panel must be installed in the supply air duct The access panel should be large enough to permit inspection either by smoke or reflected light of the ...

Page 12: ...pe See Figure 15 The warning sticker is provided in the bag assembly Order kit 66W04 for additional stickers IMPORTANT Asphyxiation hazard The exhaust vent for this furnace must be securely connected to the furnace flue transition at all times WARNING Use self drilling sheet metal screws or a mechanical fastener to firmly secure the vent pipe to the round collar of the flue transition If self dril...

Page 13: ...l terminate above the roof surface with a listed cap or a listed roof assembly according to the terms of their respective listings and the vent manufacturer s instructions When inspection reveals that an existing chimney is not safe for the intended purpose it shall be rebuilt to conform to nationally recognized standards lined or relined with suitable materials or replaced with a gas vent or chim...

Page 14: ...mmon vent diameter 10 The vent pipe should be as short as possible with the least number of elbows and angles required to complete the job Route the vent connector to the vent using the shortest possible route 11 A vent connector shall be supported without any dips or sags and shall slope a minimum of 1 4 inch 6 4 mm per linear foot 305 mm of connector back toward the appliance 12 Vent connectors ...

Page 15: ... 11 69 15 136 20 226 22 339 5 22 65 30 130 39 219 49 330 10 29 59 40 121 51 206 64 315 15 35 53 48 112 61 195 76 301 20 0 0 97 0 202 0 349 0 540 2 10 75 14 149 18 250 20 377 5 21 71 29 143 38 242 47 367 10 28 64 38 133 50 229 62 351 15 34 58 46 124 59 217 73 337 20 48 52 55 116 69 206 84 322 30 0 0 100 0 213 0 374 0 587 2 9 81 13 166 14 283 18 432 5 21 77 28 160 36 275 45 421 10 27 70 37 150 48 26...

Page 16: ...99 2 38 69 57 136 80 225 115 337 5 51 63 75 128 102 216 144 326 10 NR NR 95 116 128 201 182 308 15 NR NR NR NR 158 186 220 290 20 0 35 96 54 200 78 346 114 537 2 37 74 56 148 78 248 113 375 5 50 68 73 140 100 239 141 363 10 NR NR 93 129 125 223 177 344 15 NR NR NR NR 155 208 216 325 20 NR NR NR NR 186 192 254 306 30 0 34 99 53 211 76 372 110 584 2 37 80 55 164 76 281 109 429 5 49 74 72 157 98 271 ...

Page 17: ...146 69 220 15 1 21 50 33 89 47 142 64 220 2 22 53 35 96 49 153 66 235 3 24 55 36 102 51 163 68 248 20 1 21 54 33 99 46 157 62 246 2 22 57 34 105 48 167 64 259 3 23 60 35 110 50 176 66 271 30 1 20 62 31 113 45 181 60 288 2 21 64 33 118 47 190 62 299 3 22 66 34 123 48 198 64 309 Table 6 Common Vent Capacity Type B Double Wall Vents with Type B Double Wall Connectors Serving Two or More Category I Ap...

Page 18: ... 110 112 175 169 278 2 51 62 81 115 117 185 177 290 3 54 64 85 119 122 193 185 300 NOTE Single appliance venting configurations with zero lateral lengths are assumed to have no elbows in the vent system For all other vent configurations the vent system is assumed to have two 90 elbows For each additional 90 elbow or equivalent for example two 45 elbows equal one 90 elbow beyond two the maximum cap...

Page 19: ... appliance connected to the common venting system is venting properly step 3 return all doors widows exhaust fans fireplace dampers and any other gas burning appliances to their previous mode of operation 7 If a venting problem is found during any of the preceding tests the common venting system must be modified to correct the problem Resize the common venting system to the minimum vent pipe size ...

Page 20: ...1 34 1180 33 41 990 28 03 900 25 48 810 22 94 750 21 24 690 19 54 650 18 41 620 17 56 2 50 8 2 067 52 502 3950 111 85 2750 77 87 2200 62 30 1900 53 80 1680 47 57 1520 43 04 1400 39 64 1300 36 81 1220 34 55 1150 32 56 2 1 2 63 5 2 469 67 713 6300 178 39 4350 123 17 3520 99 67 3000 84 95 2650 75 04 2400 67 96 2250 63 71 2050 58 05 1950 55 22 1850 52 38 3 76 2 3 068 77 927 11000 311 48 7700 218 03 62...

Page 21: ... all connections using a commercially available soap solution made specifically for leak detection Some soaps used for leak detection are corrosive to certain metals Carefully rinse piping thoroughly after leak test has been completed WARNING Electrical ELECTROSTATIC DISCHARGE ESD Precautions and Procedures Electrostaticdischargecanaffectelectroniccomponents Take precautions during furnace install...

Page 22: ...igure 24 for integrated control configuration This terminal is energized in the heating mode when the combustion air inducer is operating Any humidifier rated up to one amp can be connected to this terminal with the neutral leg of the circuit being connected to one of the provided neutral terminals If a humidifier rated at greater than one amp is connected to this terminal it is necessary to use a...

Page 23: ...507332 02G 31 5000663 Page 23 of 35 Issue 2209 045 3A 070 3A 090 4B 110 5C Figure 23 Wiring Diagram ...

Page 24: ...or 103217 03 Control Red LED Flash Code2 Diagnostic Codes Status of Furnace Off No power to control or control hardware fault detected On Board Fault Detected Fast Heartbeat3 Call for Heat Burner Operation Slow Heartbeat1 Normal Operation Idle Continuous Fan or Cool 1 Flash2 Reverse Line Voltage Polarity or Phasing of 120V power 2 Flashes2 Improper earth ground 3 Flashes2 Burner failed to light or...

Page 25: ... Power for Humidifier 120VAC LINE Incoming Power Line 120VAC XFMR Transformer Primary 120VAC CIRC Indoor Blower Motor 120VAC EAC Electronic Air Cleaner 120VAC HUM24 Power For Humidifier 24VAC NEUTRALS 5 Neutral 3 16 Quick Connect Terminal Designations COOL Cool Speed From Indoor Blower Motor 24VAC HEAT Heat Speed From Indoor Blower Motor 24VAC FAN Continuous Fan Speed From Indoor Blower Motor 24VA...

Page 26: ...ARNING Gas Valve Operation See Figure 26 1 STOP Read the safety information at the beginning of this section 2 Set the thermostat to the lowest setting 3 Turn off all electrical power to the unit 4 This furnace is equipped with an ignition device which automatically lights the burners Do not try to light the burners by hand 5 Remove the upper access panel 6 Move switch on gas valve to OFF Do not f...

Page 27: ...pproximate Table 14 Gas Meter Clocking Chart Capacity Seconds for One Revolution Natural LP 1 cu ft Dial 2 cu ft Dial 1 cu ft Dial 2 cu ft Dial 045 80 160 200 400 070 55 110 136 272 090 41 82 102 204 110 33 66 82 164 Natural 1000 btu cu ft LP 2500 btu cu ft Furnace should operate at least 5 minutes before checking gas flow Determine time in seconds for two revolutions of gas through the meter Two ...

Page 28: ...Take care to remove barbed fitting and replace threaded plug Proper Combustion Furnace should operate a minimum 15 minutes with correct manifold pressure and gas flow rate before checking combustion Take combustion sample beyond the flue out let and compare to the tables below The maximum carbon monoxide reading should not exceed 100 ppm Table 15 Capacity CO2 for Nat CO2 for LP 045 7 2 7 8 7 5 9 0...

Page 29: ...tant Torque Motor These units are equipped with a permanent magnetic indoor blower motor that provides constant torque The motor has five speed taps all referenced to the same signal common Each tap requires 24 volts to be energize Thermostat Heat Anticipation Set the heat anticipator setting if adjustable according to the amp draw listed on the wiring diagram that is attached to the unit NOTE Do ...

Page 30: ...atts cfm watts cfm watts cfm watts 0 10 1460 350 1235 220 1150 180 1110 165 965 115 0 20 1420 360 1195 235 1115 195 1090 175 920 115 0 30 1400 370 1180 245 1070 195 1055 180 900 125 0 40 1375 380 1150 250 1045 205 1025 190 845 130 0 50 1340 380 1120 260 1010 210 990 200 820 145 0 60 1285 375 1075 260 985 220 955 205 770 145 0 70 1210 355 1065 275 955 225 915 210 730 155 0 80 1140 335 1020 275 920 ...

Page 31: ...peeds High Medium High Medium Medium Low Low cfm watts cfm watts cfm watts cfm watts cfm watts 0 10 2385 630 2100 410 1830 310 1610 240 1505 190 0 20 2325 650 2010 440 1760 330 1570 255 1375 195 0 30 2280 675 1940 460 1705 340 1500 260 1320 210 0 40 2235 690 1895 475 1635 365 1440 285 1265 225 0 50 2165 710 1845 490 1595 380 1380 300 1200 235 0 60 2125 735 1800 510 1545 390 1320 310 1170 250 0 70 ...

Page 32: ...nections 2 Check for the correct voltage at the furnace furnace operating Correct voltage is 120VAC 10 3 Check amp draw on the blower motor with inner blower panel in place Unit Nameplate___________ Actual______________ Cleaning the Heat Exchanger and Burners NOTE Use papers or protective covering in front of the furnace during cleaning 1 Turn off both electrical and gas power supplies to furnace ...

Page 33: ... all screws to the collector box and combustion air inducer Failure to replace all screws may cause leaks Inspect gaskets for any damage and replace if necessary 17 Reinstall burner box manifold assembly and burner box cover 18 Reconnect all wires 19 Reconnect top cap and vent pipe to combustion air inducer outlet 20 Reconnect gas supply piping 21 Turn on power and gas supply to unit 22 Set thermo...

Page 34: ...d during the inspection may make it necessary to temporarily shut down the furnace until the items can be repaired or replaced Instruct the homeowners to pay attention to their furnace Situations can arise between annual furnace inspections that may result in unsafe operation For instance items innocently stored next to the furnace may obstruct the combustion air supply This could cause incomplete...

Page 35: ...minimum height of eight 8 feet above grade directly in line with the exhaust vent terminal for the horizontally vented gas fueled heating appliance or equipment The sign shall read in print size no less than one half 1 2 inch in size GAS VENT DIRECTLY BELOW KEEP CLEAR OF ALL OBSTRUCTIONS 4 INSPECTION The state or local gas inspector of the side wall horizontally vented gas fueled equipment shall n...

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