Allied 80G2UHE, Installation Instructions Manual

Page 1: ... result from contact with sharp sheet metal edges Be careful when you handle this equipment CAUTION Table of Contents A80UH2E 80G2UHE L Gas Furnace 1 Unit Dimensions 2 Unit Dimensions 3 Shipping and Packing List 4 Safety Information 4 General 6 Combustion Dilution Ventilation Air 6 Setting Equipment 8 Filters 11 Duct System 12 Venting 13 Gas Piping 20 Electrical 22 Integrated Control DIP Switch Se...

Page 2: ...IONAL EXTERNAL SIDE RETURN AIR FILTER KIT Either Side 5 8 16 NOTE C 20 size units installed in upflow applications that require air volumes of 1800 cfm 850 L s or greater must have one of the following 1 Single side return air with transition to accommodate 20 x 25 x 1 in 508 x 635 x 25 mm air filter 2 Single side return air with optional RAB Return Air Base 3 Bottom return air 4 Return air from b...

Page 3: ...ustion Air Inducer Gas Valve and Manifold Assembly Limit Switch under collector box Collector Box Heat Exchanger Indoor Blower and Motor Assembly installed in cabinet Make Up Box Constant Torque Indoor Blower Motor removed from cabinet Two Stage Integrated Control Unit Dimensions ...

Page 4: ...s 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 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...

Page 5: ...ion 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 vent system must be permanently installed per these installation instructions b Furnace must be installed as a two pipe system and one hundred percent 100 outdoor air must be provided for combustion air requirements during construction c A room thermostat must cont...

Page 6: ... pressure outside pressure is greater than inside pressure will build to the point that a downdraft can occur in the furnace vent pipe or chimney As a result combustion gases enter the living space creating a potentially dangerous situation In the absence of local codes concerning air for combustion and ventilation use the guidelines and procedures in this section to install these furnaces to ensu...

Page 7: ... space either from inside the building or from outside Air from Inside If the confined space that houses the furnace adjoins a space categorized as unconfined air can be brought in by providing two permanent openings between the two spaces Each opening must have a minimum free area of 1 square inch 645 mm2 per 1 000 Btu 29 kW per hour of total input rating of all gas fired equipment in the confine...

Page 8: ...ve 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 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 de...

Page 9: ...s Return Air Upflow Applications Return air can be brought in through the bottom or either side of the furnace installed in an upflow application If the furnace is installed on a platform with bottom return make an airtight seal between the bottom of the furnace and the platform to ensure that the furnace operates properly and safely The furnace is equipped with a removable bottom panel to facilit...

Page 10: ...ng dimensions shown Side return air openings must be cut in the field There are cutting guides stenciled on the cabinet for the side return air opening The size of the opening must not extend beyond the markings on the furnace cabinet To minimize pressure drop the largest opening height possible up to 14 inches is preferred Horizontal Applications The furnace can be installed in horizontal applica...

Page 11: ... being installed in a space serviced by an exhaust fan power exhaust fan or other device which may create a negative pressure in the space take care when sizing the inlet air opening The inlet air opening must be sized to accommodate the maximum volume of exhausted air as well as the maximum volume of combustion air required for all gas appliances serviced by this space CAUTION Improper installati...

Page 12: ...air duct The access panel should be large enough to permit inspection either by smoke or reflected light of the heat exchanger for leaks after the furnace is installed The furnace access panel must always be in place when the furnace is operating and it must not allow leaks into the supply air duct system Install self tapping screws in the three evaporator coil screw holes made for horizontal appl...

Page 13: ...late See Figure 16 Lift and rotate the assembly 90 degrees clockwise or counter clockwise to either the 3 o clock position or to 9 o clock position and re secure with four screws Gasket should be left in place 2 Use tin snips to cut preferred opening on the cabinet for repositioning the flue outlet Use the cut out piece as a cover plate to patch unused opening on cabinet FLOW AIR x o B r o t c e l...

Page 14: ...ly 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 supplied wire tie or coil excess wire and secure to the gas manifold Figure 22 Horizontal Right Position Top V...

Page 15: ...lbow at a minimum of six inches 152 mm from the furnace vent outlet See Figure 24 Venting Using a Masonry Chimney The following additional requirements apply when a lined masonry chimney is used to vent this furnace Masonry chimneys used to vent Category I central furnaces must be either tile lined or lined with a listed metal lining system or dedicated gas vent Unlined masonry chimneys are prohib...

Page 16: ... relined with suitable materials or replaced with a gas vent or chimney suitable for venting The chimney passageway must be checked periodically to ensure that it is clear and free of obstructions Do not install a manual damper barometric draft regulator or flue restrictor between the furnace and the chimney Never connect a Category I appliance to a chimney that is servicing a solid fuel appliance...

Page 17: ...he maximum common vent capacity listed in the common venting tables should be reduced by 20 the equivalent of two 90 elbows 0 80 x maximum common vent capacity The horizontal length of the offset shall not exceed 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 t...

Page 18: ... 49 39 98 51 164 64 247 10 0 0 88 0 175 0 295 0 447 2 12 61 17 118 23 194 26 289 5 23 57 32 113 41 187 52 280 10 30 51 41 104 54 176 67 267 15 0 0 94 0 191 0 327 0 502 2 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 35...

Page 19: ... 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 Applianc...

Page 20: ...austs so they will operate at maximum speed Do not operate a summer exhaust fan Close fireplace dampers 4 Follow the lighting instructions 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 Af...

Page 21: ... 40 894 2090 59 18 1430 40 49 1150 32 56 985 27 89 873 24 72 791 22 39 728 20 61 677 19 17 635 17 98 600 17 00 2 50 8 2 067 52 502 4020 113 83 2760 78 15 2200 62 30 1900 53 80 1680 47 57 1520 43 04 1400 39 64 1300 36 81 1220 34 55 1160 32 84 2 1 2 63 5 2 469 67 713 6400 181 22 4400 124 59 3530 99 95 3020 85 51 2680 75 88 2480 70 22 2230 63 14 2080 58 89 1950 55 22 1840 52 10 NOTE Capacity given in...

Page 22: ...s Use a commercially available leak detecting solution specifically manufactured for leak detection Never use an open flame to test for gas leaks The furnace must be isolated from the gas supply system by closing the individual manual shut off valve during any gas supply system at pressures greater than or equal to 1 2 psig 3 48 kPa 14 inches w c This furnace and its components are designed manufa...

Page 23: ...according to local codes or in the absence of local codes according to the current National Electric Code ANSI NFPA No 70 A green ground wire is provided in the field make up box NOTE This furnace contains electronic components that are polarity sensitive Make sure that the furnace is wired correctly and is properly grounded Accessory Terminals One line voltage EAC 1 4 spade terminal is provided o...

Page 24: ...en the thermostat is set to FAN ON the indoor blower will run continuously on the low speed when there is no cooling or heating demand See Table 16 for allowable circulation speeds 2 When the unit is operating in the high fire or low fire heating mode the indoor blower will run on the corresponding heating speed 3 When the unit is operating in the low cool or the high cool cooling mode the indoor ...

Page 25: ...nd stage heat ON delay OFF 7 minutes ON 12 minutes ON CUT ON BOARD LINK W915 2 STAGE COMPR T STAT FURNACE TERM STRIP OUTDOOR UNIT Not required on all units 1 Heat 2 Cool with t stat with dehumidification mode NOTE Use DIP switch 2 to set sceond stage heat ON delay OFF 7 minutes ON 12 minutes ON CUT ON BOARD LINK W915 2 STAGE COMPR CUT ON BOARD LINK W914 DEHUM T STAT FURNACE TERM STRIP OUTDOOR UNIT...

Page 26: ... LINK W915 2 STAGE COMPR CUT ON BOARD LINK W914 T STAT FURNACE TERM STRIP OUTDOOR UNIT o Not required on all units 2 Heat 1 Cool with t stat with dehumidification mode OFF CUT ON BOARD LINK W914 T STAT FURNACE TERM STRIP OUTDOOR UNIT o Not required on all units 2 Heat 1 Cool OFF DO NOT CUT ANY ON BOARD LINKS T STAT FURNACE TERM STRIP OUTDOOR UNIT Not required on all units NOTE Do NOT make a wire c...

Page 27: ...URNACE TERM STRIP HEAT PUMP 67M41 Y H L Y2 D B L Y2 T T outdoor sensor Dual Fuel Two Stage Heat Pump Thermostat w dual fuel capabilities Capable of 2 stage gas heat control OFF CUT ON BOARD LINK W951 HEAT PUMP CUT ON BOARD LINK W915 2 STAGE COMPR FURNACE TERM STRIP HEAT PUMP out blue 67M41 H L Y2 D B L Y2 T T outdoor sensor T STAT Y2 NOTE Do NOT make a wire connection between the room thermostat L...

Page 28: ...NACE TERM STRIP HEAT PUMP 67M41 Y H L Y2 D B L Y2 T T outdoor sensor Dual Fuel Two Stage Heat Pump Thermostat w dual fuel capabilities Capable of 2 stage gas heat control with dehumidification mode OFF CUT ON BOARD LINK W914 DEHUM CUT ON BOARD LINK W951 HEAT PUMP CUT ON BOARD LINK W915 2 STAGE COMPR T STAT FURNACE TERM STRIP HEAT PUMP 67M41 H L Y2 D B L Y2 T T outdoor sensor Y2 out blue Y2 NOTE Do...

Page 29: ...IGNAL Y2 THERMOSTAT 2ND STAGE COOL SIGNAL O THERMOSTAT SIGNAL TO HEAT PUMP REVERSING VA LVE L NOT USED DH NOT USED HUM UNPOWERED NORMALLY OPEN DRY CONTACTS LI 120 VAC INPUT TO CONTROL ACC 120 VAC OUTPUT TO OPTIONAL ACCESSORY NEUTRALS 120 VAC NEUTRAL 3 16 QUICK CONNECT TERMINALS FLAME SENSE SIGNAL HI Cool 24VAC HI HEAT 24VAC LO COOL 24VAC LO HEAT 24VAC PARK PARK COMMON 24VAC Flame Sense S4 DIP Swit...

Page 30: ...eration DIP Switch Settings Switches 3 and 4 Heating Mode Blower Off Delay The blower on delay of 30 seconds is not adjustable The blower off delay time that the blower operates after the heating demand has been satisfied can be adjusted by moving switches 3 and 4 on the integrated control The unit is shipped from the factory with a blower off delay of 90 seconds The blower off delay affects comfo...

Page 31: ...ore attempting to perform any service or maintenance turn the electrical power to unit OFF at disconnect switch CAUTION BEFORE LIGHTING smell all around the appliance area for gas Be sure to smell next to the floor because some gas is heavier than air and will settle on the floor The gas valve on this unit will be equipped with a gas control switch Use only your hand to move the switch Never use t...

Page 32: ... 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 Table 11 Furnace should operate at least 5 minutes before checking gas flow Determine time in seconds for two revolutions of gas through the meter Two revolutions assures a more accurate time Divide by two and compare to time in Table 11 If manifold pressure matches Table 1...

Page 33: ... Natrual 1 7 3 5 1 5 3 2 1 7 3 5 4 5 13 0 LP Propane 3 4 5 10 0 4 5 10 0 4 5 10 0 11 0 13 0 070 Natrual 1 7 3 5 1 6 3 4 1 7 3 5 4 5 13 0 LP Propane 3 4 5 10 0 4 5 10 0 4 5 10 5 11 0 13 0 090 Natrual 1 7 3 5 1 5 3 2 1 7 3 5 4 5 13 0 LP Propane 3 4 5 10 0 4 5 10 0 4 5 10 0 11 0 13 0 110 Natrual 1 7 3 5 1 5 2 8 1 7 3 5 4 5 13 0 LP Propane 3 4 5 10 0 4 5 10 0 4 5 10 0 11 0 13 0 1 This is the only perm...

Page 34: ... terminal 7 Resecure blower access panel 8 Turn on electrical power to furnace 9 Recheck temperature rise Heating Sequence of Operation Electronic Ignition The two stage variable speed integrated control used in A80UH2E 80G2UHE L units has an added feature of an internal Watchguard control The feature serves as an automatic reset device for ignition control lockout caused by ignition failure After...

Page 35: ...NOTE In these applications two stage heat will be initiated by the integrated control if heating demand has not been satisfied after the field adjustable period 7 or 12 minutes 1 On a call for heat thermostat first stage contacts close sending a signal to the integrated control The integrated control runs a self diagnostic program and checks high temperature limit switches for normally closed cont...

Page 36: ...ner detail 5 Reinstall burner box manifold assembly and burner box cover 6 Re install gas supply and turn on electrical power to furnace Annual Furnace Maintenance At the beginning of each heating season and to comply with the Allied Air Limited Warranty your system should be checked as follows 1 Check wiring for loose connections voltage at indoor unit and amperage of indoor motor 2 Check the con...

Page 37: ...air Parts List The following repair parts are available through independent Allied Air dealers When ordering parts include the complete furnace model number listed on the CSA International nameplate All service must be performed by a licensed professional HVAC installer or equivalent service agency or gas supplier Cabinet Parts Main access panel Blower panel Top cap Control Panel Parts Transformer...

Page 38: ...m watts cfm watts cfm watts 0 00 1375 340 1350 240 1110 190 970 93 780 50 0 10 1350 346 1325 254 1100 194 940 104 725 57 0 20 1330 346 1310 264 1080 200 895 113 680 64 0 30 1315 353 1280 272 1060 204 860 118 610 70 0 40 1300 368 1250 283 1040 212 810 125 550 76 0 50 1285 369 1220 293 1010 222 765 132 510 78 0 60 1260 384 1190 301 975 227 725 140 460 83 0 70 1240 391 1150 314 950 236 680 147 400 89...

Page 39: ...270 1050 239 905 193 0 70 1520 467 1255 344 1110 284 1000 249 840 202 0 80 1470 474 1215 352 1050 294 935 258 765 211 A80UH2E110C16 80G2UH110CE16 Performance Less Filter External Static Pressure in w c Air Volume Watts at Various Blower Speeds High Black Medium High Brown Medium Blue Medium Low Yellow Low Red cfm watts cfm watts cfm watts cfm watts cfm watts 0 00 1780 349 1570 248 1465 190 1370 16...

Page 40: ...fm Watts cfm Watts 0 00 2175 590 2050 410 1850 310 1695 275 1510 195 2175 605 1930 420 1785 320 1675 260 1500 195 0 10 2158 607 1943 421 1778 328 1650 283 1461 205 2129 628 1892 441 1733 345 1627 288 1458 209 0 20 2131 620 1897 436 1719 345 1591 299 1405 215 2091 649 1838 458 1691 360 1586 297 1407 220 0 30 2085 639 1847 456 1678 354 1563 308 1351 228 2072 660 1806 471 1631 371 1529 313 1353 232 0...

Page 41: ...g Allowed Factory Setting 090 16 Factory Setting Allowed Factory Setting Allowed 110 16 Allowed Factory Setting Allowed Factory Setting 110 20 Factory Setting Allowed Not Allowed Factory Setting Allowed Table 15 Allowable Heating Speeds Models Red Yellow Blue Brown Black 045 12 Factory Setting Allowed Not Allowed Not Allowed Not Allowed 070 12 090 12 Allowed Factory Setting 090 16 Factory Setting ...

Page 42: ...m 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 not app...