Lennox Elite G61MPV36B-045 Installation Instructions Manual Download Page 53 | Manualshive

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Summary of Contents for Elite G61MPV36B-045

Page 1: ...titude Information 53 Other Unit Adjustments 55 Service 56 Ignition Control Board Diagnostic Codes 57 Troubleshooting 58 Repair Parts List 66 Vent Pipe Sizing Worksheet 66 Start Up Performance Check L...

Page 2: ...ither Side SUPPLY AIR OPENING t 6 1 2 11 5 8 1 5 295 Right 23 3 4 603 i_ _ 25 635 TOP VIEW 28 1 2 I_ 724 5 1 2 _ _ 91 _ 19 7 16 _1_ r_ COMBUSTION AIR INTAKE _ _ Either Side ly EXHAUST AIR OUTLET 9 _ _...

Page 3: ...SSEMBLY CABINET COMBUSTION AIR PRESSURE PROVE SWITCHES WARM HEADER COLLECTOR BOX INDUCER BURNER ACCESS PANEL BLOWER I ACCESS SIGHT GLASS CIRCUIT BREAKER TRANSFORMER Two Stage Variable Speed Integrated...

Page 4: ...ticker for use in downfiow applications NOTE G61MPV 60C 110 and 111 units also include a 2 diameter ABS street elbow which is shipped on the blower deck in the heating compartment G61MPV 60D 135 units...

Page 5: ...e of 60 F 16 C or an intermittent op eration down to 55 F 13 C dry bulb for cases where a night setback thermostat is used Return air temperature must not exceed 85 F 29 C dry bulb The G61MPV furnace...

Page 6: ...ndoors and flue gases are discharged out doors WARNING In the past there was no problem in bringing in sufficient outdoor air for combustion Infiltration provided all the air that was needed In today...

Page 7: ...e casing and which terminate outside the space containing the furnace This is especially important when the furnace is mounted on a platform in a confined space such as a closet or small equipment roo...

Page 8: ...connect The minimum dimension of rectangular air ducts shall be no less than 3 inches 75 mm In calculating free area the blocking effect of louvers grilles or screens must be considered If the design...

Page 9: ...t Vent i O _ Floor i O _ _ _ Front clearance in alcove installation must be 24 in 610 ram Maintain a minimum of 24 in 610 ram for front service access TAllow proper clearances to accommodate condensa...

Page 10: ...er than 14 5 Side Return Air with transition and filter 20 X25 X 1 508mm X635mm X 25mm Air Filter Retu rn Air Plenum Transition FIGURE 8 Removing the Bottom Panel Remove the two screws that secure the...

Page 11: ...t possible up to 14 inches is preferred NOTE Optional Side Return Air Filter Kits are not for use with RAB Return Air Base FIGURE 10 Leveling an Upflow Unit When the side return air inlets are used in...

Page 12: ...r opening size 2 Flange warm air plenum and lower the plenum into the opening 3 Set the unit over the plenum and seal the plenum to the unit 4 Ensure that the seal is adequate TABLE 1 NON COMBUSTIBLE...

Page 13: ...al screws 4 Make certain that an adequate seal is made PLENUM __ I 11 _ Field Provided _ SECURE FROM _UTSIDE CABINET v II CABINET SEALING STRIP _ IIJ SIDE PANEL Field Provided II Side View II FIGURE 1...

Page 14: ...l space horizon tal support kit Cat No 56J18 ordered separately must be used to ensure proper unit support and coil drainage 1 Select location for unit keeping in mind service and other necessary clea...

Page 15: ...given in following section Condensate line should be run into condensate pump if necessary to meet drain line slope requirements Platform Installation of Horizontal Unit in Crawl Space 1 Select locat...

Page 16: ...and intake line piping instructions Platform Installation of Horizontal Unit Heater 1 Select location for unit keeping in mind service and other necessary clearances 2 Construct a raised wooden frame...

Page 17: ...lvent cement must conform with American National Standard Institute and the Ameri can Society for Testing and Materials ANSI ASTM stan dards The solvent shall be free flowing and contain no lumps undi...

Page 18: ...Allowed 2 4 Not 12 Not Not 4 4 Allowed Allowed Allowed 2 1 2 5 Not 15 Not Not 5 5 36B 070 Allowed Allowed Allowed 36B 071 3 8 Not 24 Not Not 8 8 Allowed Allowed Allowed 4 14 Not 42 Not Not 14 14 Allo...

Page 19: ...possibility of water droplets being re leased from the exhaust termination The minimum ex haust vent length is 15 ft Shorter exhaust vent lengths may result in the discharge of water droplets from th...

Page 20: ...eter pipe 5 ft plus 2 elbows of 3 or 4 diameter pipe Any approved termination may be added to the minimum equivalent length listed G61MPV 60C 110 and 111 must have 90 street ell suppfied installed dir...

Page 21: ...flue collar 1 Choose the appropriate side for venting in upfiow or downfiow positions Exhaust piping exits from the top of the unit in horizontal air discharge applications Glue the field provided ex...

Page 22: ...vent applications In non direct vent applications when intake air will be drawn into the furnace from the surrounding space the indoor air quality must be considered and guidelines listed in Combustio...

Page 23: ...L DIRECT VENT APPLICATIONS Horizontal Right Hand Air Discharge Application Shown J Limit pipe length to 2 in G51MP 110 111 and 135 applica tions G61MPV 36B 045 G61MPV 36B 070 G61MPV 36B 071 G61MPV 36C...

Page 24: ...and fittings only and make sure that the air intake does not extend more than 6 beyond the G61MPV cabinet The air intake connector must not be located near the floor To avoid this complication in dow...

Page 25: ...ions In Non Direct Vent applications combustion air is taken from indoors and the flue gases are discharged to the out doors The G61MPV is then classified as a non direct vent Category IV gas furnace...

Page 26: ...in USA 48 in 1219mm minimum horizontal and below 12 in 305ram minimum above for vent installations in Canada 12 in 305mm mini mum for appliances _ 100 000 Btuh 30 kW 36 in 0 9m minimum for appliances...

Page 27: ...as possible See fig ure 35 7 On field supplied terminations a minimum separation distance between the end of the exhaust pipe and the end of the intake pipe is 8 inches 203mm 8 If intake and exhaust p...

Page 28: ...AVERAGE SNOW REDUCER MAY ACCUMULATION BE REQUIRED TO ADAPT LARGER VENT PIPE SIZE TO TERMINATION 1 2 13 FOAM INSULATION IN UNCONDITIONED 1 2 13 FOAM SPACE INSULATION SIDE VIEW DIRECT VENT WALL RING TE...

Page 29: ...nate as illus trated In any exterior portion of chimney the exhaust vent must be insulated FIGURE 42 Details of Exhaust Piping Terminations for Non Direct Vent Applications Exhaust pipes may be routed...

Page 30: ...inate as illus trated In any exterior portion of chimney the exhaust vent must be insulated FIGURE 46 Condensate Piping This unit is designed for either right or left side exit of con densate piping i...

Page 31: ...amp Condensate line must be sloped downward away from condensate trap to drain If drain level is above con densate trap condensate pump must be used Con densate drain line should be routed within the...

Page 32: ...l pipe runs to serve as a trap for sediment or condensate 5 A 1 8 N P T plugged tap or pressure post is located on the gas valve to facilitate test gauge connection See figures 58 and 59 6 In some loc...

Page 33: ...049 660 465 375 320 265 260 240 26 645 19 25 13 17 10 62 9 06 6 07 7 36 6 60 1 380 1400 950 770 660 580 530 490 35 052 39 64 26 90 21 60 18 69 16 42 15 01 13 67 1 610 2100 460 1180 990 900 810 750 40...

Page 34: ...s to the equipment Use the provided unit wiring diagram and the field wir ing diagram shown in figure 54 and table 10 Use 18 gauge wire or larger that is suitable for Class II ra ting for thermostat c...

Page 35: ...bythepositions of DIPswitches 11and12 3 Whenthereisacooling demand theindoor blower will runonthecooling speed designated bythepositions of DIPswitches 5and6 TYPICAL G61MPV FIELD WIRING DIAGRAM I20V A...

Page 36: ...o set second stage heat ON delay OFF fO min utes ON 15 minutes TABLE 10 Field Wiring Applications Jumper Settings See figure 55 W915 W914 Dehu DIP Switch 1 Two Stage midification W951 Cooling or Harmo...

Page 37: ...See figure 55 W915 W914 Dehu DIP Switch 1 Two Stage midification W951 Cooling or Harmony Heat Pumps III OFF Cut Intact Intact OFF Cut Cut Intact OFF Intact Intact Intact 1 T STAT 1 T STAT 4 1 T STAT...

Page 38: ...ASS 2 VOLTAGE TO THERMOSTAT G MANUAL FAN FROM T STAT C THERMOSTAT SIGNAL GROUND CONNECTED TO TRANSFORMER GROUND TR CHASIS GROUND GRD YI THERMOSTAT Is STAGE COOL SIGNAL Y2 THERMOSTAT 2nd STAGE COOL SIG...

Page 39: ...OPTION B e DFF 82 IOOX DFF O TIONC OFF IOO IOOX DFF _I _ OPTION D 9 OFF IOOZ OFF OPTION A C UNIT V951 pT NOT CUT HEAT PUMP UNIT V951 CUT _MPER Wc 51JUMPER _ HEAT PUMP JUMPER_ JUMPERS R to 0 NO HARMONY...

Page 40: ...TYPICAL G61MPV WIRING DIAGRAM FIGURE 57 Page 40...

Page 41: ...l applications Adjust the blower off delay to achieve a supply air temperature between 90 and 110 F at the exact moment that the blower is de energized Lon ger off delay settings provide lower supply...

Page 42: ...and R on the integrated control board must be cut when the fur nace is installed with either the Harmony Iti zone control board or a thermostat which features humidity control If the jumper is left in...

Page 43: ...s Lennox Harmony Ill Zone Control Applications Minimum blower speed is 442 cfm 210 Us TABLE 17 G61MPV 36B 070 and G61MPV 36B 071 BLOWER MOTOR PERFORMANCE LESS FILTER 0 0 to 0 8 w g 0 through 200 Pa Ex...

Page 44: ...ennox Harmony Ill Zone Control Applications Minimum blower speed is 479 cfm 225 L s TABLE 19 G61MPV 60C 090 and G61MPV 60C 091 BLOWER MOTOR PERFORMANCE LESS FILTER 0 0 to 0 8 w g 0 through 200 Pa Exte...

Page 45: ...stage COOL speed position minimum 500 cfm 235 L s Lennox Harmony Ill Zone Controt Applications Minimum blower speed is 449 cfm 210 L s 4 cfm L s 2135 1005 1935 910 1735 820 TABLE 21 G61MPV 60C 090 and...

Page 46: ...463 cfm 220 L s TABLE 23 G61MPV 60C 110 and G61MPV 60C 111 BLOWER MOTOR PERFORMANCE LESS FILTER 0 0 to 0 8 w g 0 through 200 Pa External Static Pressure Range Factory Settings Heating Speed 2 Cooling...

Page 47: ...pproximately 38 of the same second stage COOL speed position minimum 500 cfm 235 L s Lennox Harmony Ill Zone Controt Applications Minimum blower speed is 463 cfm 220 L s TABLE 25 G61MPV 60D 135 BLOWER...

Page 48: ...sition minimum 500 cfm 235 Us Lennox Harmony Ill Zone Control Applications Minimum blower speed is 470 cfm 220 Us 20x25x1 in ADJUST Switch Positions TABLE 27 G61MPV 60D 135 BLOWER MOTOR PERFORMANCE LE...

Page 49: ...nergizes D on a call for de humidification PRECISION MODE operates independent of a Y1 thermostat demand 24 Normal Operation 1 On On On Acceptable VAC Dehumidification call Dehumidification call ONLY...

Page 50: ...1 On On On On Acceptable Dehumidification 2 On On On On Demand Call Low High High 24 VAC High 0 VAC High 70 70 70 lOO 7o Dehumidification mode be gins when humidity is greater than set point Signatur...

Page 51: ...te a heating demand and again al low the burners to fire for approximately 3 minutes 6 Adjust the thermostat to deactivate the heating de mand and again wait for the combustion air inducer to stop At...

Page 52: ...alve lever to OFF Honeywell VR8205 Gas Valve Turn knob on gas valve clockwise _1_ to OFF Do not force 5 Replace the upper access panel Gas Flow Approximate 1 Operate unit at least 15 minutes before ch...

Page 53: ...ation at higher altitudes Refer to table 31 or tables 32 and 33 for proper manifold pressure settings at varying altitudes and required pressure switch changes and conversion kits at varying altitudes...

Page 54: ...26W85 59M14 26W86 0 052 change No Nat N A change N A 56M22 N A 56M22 N A 56M22 N A 56M22 47M82 56M23 0 081 111 LPG 59M13 No 59M13 56M22 59M13 56M22 59M13 56M22 59M13 56M22 59M14 56M23 0 052 change NO...

Page 55: ...quence Exhaust and Air Intake Pipe 1 Check exhaust and air intake connections for tightness and to make sure there is no blockage 2 Are pressure switches closed Obstructed exhaust pipe will cause unit...

Page 56: ...complete a 20 second initial ig nitor warm up period begins The combustion air in ducer continues to operate at low speed 4 After the 20 second warm up period has ended the gas valve is energized on l...

Page 57: ...ckup secon dary limit if applicable Remove four screws which se cure combustion air inducer to collector box Remove combustion air inducer assembly Remove ground wire from vest panel 15 Remove electri...

Page 58: ...efromthesensor Dis connect 2 pinplugfromtheignitor attheburner box 5 Remove burner boxcoverandremove fourscrews which secure burner boxassembly tovestpanel Re moveburner boxfromtheunit NQTE G61MPV 135...

Page 59: ...iled open High pressure switch failed closed Low pressure switch opened during ignition trial or heating demand LIMIT CODE J Limit switch open WATCHGUARD CODES Watchguard Exceeded maximum number of re...

Page 60: ...EVERSED STATUS ERROR CODE 5 4 __SlGNAL HOLDS UNTIL UNIT IS PROPERLY GROUNDED STATUS ERROR CODE 5 3 I 1 J I COMBUSTION AIR INDUCER OFF INDOOR BLOWER ON HAS PRIMARY OR SECONDARY LIMIT RESET WITHIN 3 MIN...

Page 61: ...ED ON NEXT PAGE J I 4 THERMOSTAT CALLS FOR HEAT STATUS LED HEARTBEAT Refer to box A on previous page GAS VALVE OFF COMBUSTION AIR INDUCER OFF INDOOR BLOWER OFF UNIT WILL RETRY AFTER 5 MINUTE WAIT PERI...

Page 62: ...H CLOSED IN LESS THAN TEN 10 SECONDS STATUS LED HEARTBEAT YES _ CONTINUED ON NEXT PAGE YES PRIMARY SECONDARY LIMIT SWITCHES CLOSED F GAS VALVE OFF COMBUSTION AIR INDUCER ON INDOOR BLOWER ON STATUS ERR...

Page 63: ...S UNTIL SECOND STAGE PRESSURE SWITCH CAN BE PROVEN or HEAT DEMAND IS SATISFIED A FIVE 5 MINUTE WAIT PERIOD IS INITIATED BEFORE RETRY WERE 5 ATTEMPTS MADE FOR SECOND STIAGE HEAT NO _ SEE BOX C FIRST ST...

Page 64: ...OL WILL CONTINUE TO CALL FOR COOLING IN THIS CONDITION STATUS ERROR CODE 5 4 SIGNAL IMPROPER GROUND AT LED I_ CONTROL WILL CONTINUE TO CALL FOR COOLING IN THIS CONDITION STATUS ERROR CODE 5 3 4 _1 FIR...

Page 65: ...R RAMPS DOWN TO F RST STAGE I _cooL SPEED MANUAL FAN SELECTION MADE AT THERMOSTAT AFTER 2 SECOND DELAY INDOOR BLOWER IS ENERGIZED ON CONTINUOUS FAN SPEED I I II I I I ii YES THERMOSTAT CALLS FOR FIRST...

Page 66: ...size Termination kit catalog number Vent pipe equivalency value from table 5 Total number of 90 elbows required indoors and outdoors X 5 equivalent feet of pipe Total number of 45 elbows required ind...

Page 67: ...put Line Pressure Blower Motor H P Gas Piping Connections Tight Leak Tested LP Propane Gas Regulator Pressure __ w c Nat Flue Connections Tight Condensate Connections Tight Combustion Gas Tested CO2 C...

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