Haier GE NF80US, Installation Instructions Manual

Page 1: ...Installation 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 NF80US NF80LS Gas Furnace 3 Shipping and Packing List 3 Safety Information ...

Page 2: ... Single side return air with optional RAB Return Air Base 3 Bottom return air 4 Return air from both sides 5 Bottom and one side return air 2 Flue outlet may be horizontal but furnace must be vented vertically 3 Optional external side return air filter kit cannot be used with the optional RAB Return Air Base Consider sizing requirements for optional IAQ equipment before cutting side return opening...

Page 3: ...gs into the vestibule area In order to ensure proper unit operation combustion and ventilation air supply must be provided according to the current National Fuel Gas Code Vent installations must be consistent with the venting tables in this instruction and applicable provisions of local building codes This furnace is CSA International certified for installation clearances to combustible material a...

Page 4: ...ostat must control the furnace The use of fixed jumpers that will provide continuous heating is prohibited d The input rate and temperature rise must be set per the furnace rating plate e Supply and Return air ducts must be provided and sealed to the furnace Return air must be terminated outside of the space where furnace is installed f Return air temperature range between 60 F 16 C and 80 F 27 C ...

Page 5: ...l Fuel Gas Code ANSI Z223 1 This reprinted material is not the complete and official position of the ANSI on the referenced subject which is represented only by the standard in its entirety All gas fired appliances require air for the combustion process If sufficient combustion air is not available the furnace or other appliances will operate inefficiently and unsafely Enough air must be provided ...

Page 6: ...nfined space Each opening must be at least 100 square inches 64516 mm2 One opening shall be within 12 inches 305 mm of the top of the enclosure and one opening within 12 inches 305 mm of the bottom See Figure 2 Air from Outside If air from outside is brought in for combustion and ventilation the confined space must have two permanent openings One opening shall be within 12 inches 305 mm of the top...

Page 7: ...stall the furnace on its front or its back Do not connect the return air ducts to the back of the furnace Doing so will adversely affect the operation of the safety control devices which could result in personal injury or death WARNING The gas furnace can be installed as shipped in either the upflow position or the horizontal position Select a location that allows for the required clearances that ...

Page 8: ...fely The furnace is equipped with a removable bottom panel to facilitate installation Markings are provided on both sides of the furnace cabinet for installations that require side return air Cut the furnace cabinet at the maximum dimensions shown on Page 2 NOTE 20C and 20D units that require air volumes over 1800 cfm 850 L s must have one of the following 1 Single side return air with transition ...

Page 9: ...584 Overall Maximum 584 23 3 4 19 1 22 7 16 570 Overall Maximum SIDE RETURN AIR OPENINGS Either Side 5 5 8 143 1 Minimum 11 279 2 Maximum 14 356 683 26 7 8 7 1 4 184 FURNACE FRONT AIR FLOW IF BASE IS USED WITHOUT IAQ CABINET A SINGLE RETURN AIR PLENUM MUST COVER BOTH UNIT AND RETURN AIR BASE OPENINGS INDOOR AIR QUALITY CABINET AIR BASE OPTIONAL RETURN 17 1 2 446 B Width 68W62 21 533 C Width 68W63 ...

Page 10: ... property damage could result WARNING The inner blower panel must be securely in place when the blower and burners are operating Gas fumes which could contain carbon monoxide can be drawn into living space resulting in personal injury or death WARNING Filters This unit is not equipped with a filter or rack Afield provided high velocity filter is required for the unit to operate properly Table 1 li...

Page 11: ...rly with the flue transition pointed down in the 6 o clock position The combustion air inducer may be rotated clockwise or counterclockwise by 90 to allow for top or side vent discharge in all applications When the unit is installed the flue transition must be in the 9 o clock 12 o clock or 3 o clock position IMPORTANT If necessary reposition the combustion air inducer pressure switch and or make ...

Page 12: ...ce with inducer motor Disconnect pressure switch hose from barbed fitting on the pressure switch assembly Remove pressure switch assembly 1 screw and cut wire tie to free pressure switch wires Reinstall pressure switch on the other side of orifice plate and reconnect pressure switch hose Resecure pressure switch wires Either pull excess wires through the blower compartment and secure using supplie...

Page 13: ...TANT Asphyxiation hazard The exhaust vent for this furnace must be securely connected to the furnace flue transition at all times WARNING Figure 22 Vent Connection 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 drilling screws are used to attach the vent pipe it is recommended that three be used Drive ...

Page 14: ...products A type B1 vent or masonry chimney liner shall 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 s...

Page 15: ...eed 1 1 2 feet 46 m for each inch 25 mm of common 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 ...

Page 16: ... 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 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 4 Common Vent Capacity Type B Double Wall Vents with Type B Double Wall Connectors Serving Two or More Category I Ap...

Page 18: ...ions Turn on the appliance that is being inspected Adjust the thermostat so that the appliance operates continuously 5 After the burners have operated for 5 minutes test for leaks of flue gases at the draft hood relief opening Use the flame of a match or candle 6 After determining that each appliance connected to the common venting system is venting properly step 3 return all doors windows exhaust...

Page 19: ...2 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 6250 176 98 5300 150 07 4750 134 50 4300 121 76 3900 110 43 3700 104 77 3450 97 69 3250 92 03 4 101 6 4 02...

Page 20: ...t required Figure 27 When testing pressure of gas lines gas valve must be disconnected and isolated See Figure 27 Gas valves can be damaged if subjected to pressures greater than 1 2 psig 3 48 kPa 14 inches w c IMPORTANT FIRE OR EXPLOSION HAZARD Failure to follow the safety warnings exactly could result in serious injury death or property damage Never use an open flame to test for gas leaks Check ...

Page 21: ... 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 an external relay One 24V H 1 4 spade terminal is provided on the furnace control board ...

Page 22: ...507330 03G 31 5000662 Page 22 of 36 Issue 2209 045 3A 070 3A 090 4B 090 5C 110 5C 135 5D Figure 31 Wiring Diagram ...

Page 23: ...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 24: ... 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 25: ...switch Never use tools If the switch will not turn or if the control switch will not move by hand do not try to repair it Placing the Furnace into Operation These units are equipped with an automatic ignition system Do not attempt to manually light burners on these furnaces Each time the thermostat calls for heat the burners will automatically light The ignitor does not get hot when there is no ca...

Page 26: ...ial for ignition period begins 5 Gas is ignited flame sensor proves the flame and the combustion process continues 6 If flame is not detected after first ignition trial the ignition control will repeat steps 3 and 4 four more times before locking out the gas valve The ignition control will then automatically repeat steps 1 through 6 after 60 minutes 7 To interrupt the 60 minute move thermostat fro...

Page 27: ...d 7500 ft some units may require a pressure switch change Table 14 lists the available Pressure Switch Kits providing the minimum allowable pressure switch set points in this altitude range for each unit The need for a Pressure Switch Kit may be evaluated by comparing the pressure measured at the pressure switch under steady state conditions after 15 minutes of run time against the as shipped swit...

Page 28: ... coupled to an electronic control module both contained in the same motor housing The motor is programmed to provide constant torque at each of the five selectable speeds The motor has five speed taps Each tap requires 24 volts to 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 ...

Page 29: ...c 80W52 0 60 w c 80W51 0 55 w c 090 As Shipped 0 65 w c 80W52 0 60 w c 80W51 0 55 w c 110 As Shipped 0 68 w c 80W57 0 65 w c 80W52 0 60 w c 135 As Shipped 0 65 w c 80W52 0 60 w c 80W51 0 55 w c 1 Minimum allowable set points for this altitude range Application of a Pressure Switch with lower set point less negative closer to zero is not permitted 2 Kit contains burner orifices and gas valve regula...

Page 30: ...ts cfm watts cfm watts cfm watts cfm watts 0 10 1440 280 1215 180 1120 150 1100 135 930 90 0 20 1400 290 1170 190 1090 155 1050 140 880 100 0 30 1365 305 1145 200 1055 165 1025 155 845 100 0 40 1335 310 1105 205 1015 170 985 160 795 110 0 50 1310 325 1075 215 980 180 945 170 760 120 0 60 1285 340 1040 225 950 190 905 175 705 125 0 70 1250 345 1010 235 905 195 870 185 665 130 0 80 1220 355 975 245 ...

Page 31: ...ngle Side Return Air Air volumes in bold require field fabricated transition to accommodate 20 x 25 x 1 in air filter in order to maintain proper air velocity High Medium High Medium Medium Low Low High Medium High Medium Medium Low Low cfm watts cfm watts cfm watts cfm watts cfm watts cfm watts cfm watts cfm watts cfm watts cfm watts 0 10 2200 655 1910 440 1705 315 1535 240 1385 190 2250 675 1945...

Page 32: ...85 1635 560 1380 425 1215 350 975 270 1965 785 1640 555 1400 425 1210 345 1025 275 NF80U135S5D Performance Less Filter External Static Pressure in w c Air Volume Watts at Various Blower Speeds Bottom Return Air Side Return Air with Optional Return Air Base Return Air from Both Sides or Return Air from Bottom and One Side Single Side Return Air Air volumes in bold require field fabricated transitio...

Page 33: ...wed Not Allowed 090 4 Allowed Allowed Factory Setting Allowed Not Allowed 090 5 Allowed Allowed Factory Setting Allowed Not Allowed 110 5 Not Allowed Allowed Factory Setting Allowed Not Allowed 135 5 Not Allowed Allowed Factory Setting Not Allowed Not Allowed Table 15 Allowable Circulation Speeds Models Red Yellow Blue Brown Black All Models Factory Setting Not Allowed Not Allowed Not Allowed Not ...

Page 34: ...roperly Replacement filters must be rated for high velocity airflow Table 1 lists recommended filter sizes Flue and Chimney 1 Check flue pipe chimney and all connections for tightness and to make sure there is no blockage 2 Check unit for proper draft Electrical 1 Check all wiring for loose connections 2 Check for the correct voltage at the furnace furnace operating Correct voltage is 120VAC 10 3 ...

Page 35: ...l installer or equivalent service agency or gas supplier Cabinet Parts Upper access panel Blower panel Top cap Control Panel Parts Transformer Integrated control Door interlock switch Circuit breaker Blower Parts Blower wheel Blower housing Motor Motor mounting frame Motor capacitor Blower housing cutoff plate Heating Parts Flame sensor Heat exchanger assembly Gas manifold Combustion air inducer G...

Page 36: ...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...