Carrier WEATHERMAKER 8000 58WAV, Installation, Start-Up And Operator'S Manual

Page 1: ...h the unit and other safety precautions that may apply Follow all safety codes In the United States follow all safety codes including the National Fuel Gas Code NFGC NFPA 54 1999 ANSI Z223 1 1999 and the Installation Standards Warm Air Heating and Air Conditioning Systems NFPA 90B ANSI NFPA 90B In Canada refer to CAN CGA B149 1 and 2 M95 National Standard of Canada Natural Gas and Propane Installa...

Page 2: ...iners before touching ungrounded objects 7 An ESD service kit available from commercial sources may also be used to prevent ESD damage Table 1 Dimensions In UNIT SIZE A D E VENT CONN SHIP WT LB 045 08 14 3 16 12 9 16 12 11 16 4 119 045 12 14 3 16 12 9 16 12 11 16 4 121 070 08 14 3 16 12 9 16 12 11 16 4 126 070 12 14 3 16 12 9 16 12 11 16 4 129 091 14 17 1 2 15 7 8 16 4 147 091 16 21 19 3 8 19 1 2 ...

Page 3: ...use premature component failure Improper installation adjustment alteration service mainte nance or use can cause carbon monoxide poisoning explo sion fire electrical shock or other conditions which may cause personal injury or property damage Consult a qualified installer service agency local gas supplier or your distribu tor or branch for information or assistance The qualified installer or agen...

Page 4: ...must be installed so that burners and ignition sources are located a minimum of 18 in above floor The furnace must be located or protected to avoid physical damage by vehicles When furnace is installed in a public garage airplane hangar or other building having a hazardous atmosphere unit must be installed in accordance with requirements of National Fire Protection Association Inc Step 2 Air For C...

Page 5: ...e structure requires 1 of the following methods a If combustion air is taken from outdoors through 2 vertical ducts the openings and ducts MUST have at least 1 sq in of free area per 4000 Btuh of total input for all equipment within the confined space See Fig 4 and Table 2 b If combustion air is taken from outdoors through 2 hori zontal ducts the openings and ducts MUST have at least 1 sq in of fr...

Page 6: ...or other accessories All accesso ries MUST be connected external to furnace main casing Step 4 Return Air Connections Never connect return air ducts to the back of the furnace A failure to follow this warning can cause a fire personal injury or death The return air duct must be connected to bottom sides left or right or a combination of bottom and side s of main furnace casing as shown in Fig 1 By...

Page 7: ...e used to connect to the furnace and the meter If a flexible connector is required or allowed by the authority having jurisdiction black iron pipe shall be installed at the gas valve and extend a minimum of 2 in outside the furnace casing Use the proper length of pipes to avoid stress on the gas control manifold Failure to follow this warning can result in a gas leak causing fire explosion persona...

Page 8: ...rical Connections 115 V WIRING Refer to the unit rating plate or Table 5 for equipment electrical requirements The control system requires an earth ground for proper operation Do not connect aluminum wire between disconnect switch and furnace Use only copper wire Make all electrical connections in accordance with the National Electrical Code NEC ANSI NFPA 70 1999 and local codes or ordinances that...

Page 9: ...er installation Table 5 Electrical Data UNIT SIZE VOLTS HERTZ PHASE OPERATING VOLTAGE RANGE MAXIMUM UNIT AMPS MINIMUM WIRE GAGE MAXIMUM WIRE LENGTH FT MAXIMUM FUSE OR CKT BKR AMPS Maximum Minimum 045 08 115 60 1 127 104 6 0 14 47 15 045 12 115 60 1 127 104 8 3 14 34 15 070 08 115 60 1 127 104 5 9 14 47 15 070 12 115 60 1 127 104 8 7 14 32 15 091 14 115 60 1 127 104 9 0 14 31 15 091 16 115 60 1 127...

Page 10: ... 5 8 and 10 DEHUMIDIFY 24 VAC COMM HUMIDIFY N A OUTDOOR SENSOR CONNECTION Y Y2 OUTDOOR SENSOR Y2 Y1 R Y Y2 Fig 10 Single Stage Furnace with 1 Speed Air Conditioner A99435 HUMIDIFIER 24VAC COM O W2 W W1 Y1 W2 G R THERMIDISTAT FURNACE CONTROL 1 SPEED AIR CONDITIONER W G C Y C DHUM DHUM HUM HUM B S1 S2 R Y1 N A HEAT STAGE 1 COOL STAGE 1 N A FAN 24 VAC HOT See notes 5 7 and 10 DEHUMIDIFY 24 VAC COMM H...

Page 11: ...d 10 DEHUMIDIFY 24 VAC COMM HUMIDIFY N A OUTDOOR SENSOR CONNECTION Y Y2 OUTDOOR SENSOR Y2 O Y Y2 R W2 W3 FURNACE CONTROL Fig 12 Single Stage Furnace with 1 Speed Heat Pump Dual Fuel A99437 HUMIDIFIER 24VAC COM O W2 W W1 Y1 W2 G R THERMIDISTAT 1 SPEED HEAT PUMP W G C C DHUM DHUM HUM HUM B S1 S2 R Y1 N A HEAT STAGE 2 FURNACE HEAT COOL STAGE 1 COMPRESSOR RVS COOLING FAN 24 VAC HOT See notes 1 4 6 7 9...

Page 12: ...and burner bracket screw Using the schematic diagram shown in Fig 16 follow the sequence of operation through the different modes Read and follow the wiring diagram very carefully NOTE If there is a power interruption and any thermostat call the control initiates a 90 sec blower only on period before starting another cycle Notes 1 Heat pump must have a high pressure switch for dual fuel applicatio...

Page 13: ...set for a 135 sec blower off delay h Post purge The inducer motor remains energized 5 sec after the burners are extinguished If jumper is across PL 7 6 and PL 7 9 the post purge period is 15 sec 2 Cooling mode a Single Speed Outdoor Unit See Figures 9 10 and 12 The thermostat closes the R to G and Y circuits The R Y Y2 circuit starts the outdoor unit and the R to G and Y Y2 circuits start the furn...

Page 14: ... 1 1 2 3 4 5 6 7 8 9 10 1 2 3 4 5 J1 BLOWER OFF DELAY JUMPER SELECT YEL OL START GRN BLK WHT WHT COM BLK GRN BLK WHT WHT 2 1 PL2 BLWM CAP 1 SPARE 1 SPARE 2 EAC 1 PR1 L1 COOL SEC 2 SEC 1 EAC 2 225 180 135 90 PL1 L2 HEAT GRN BRN BRN RED LO WHT COM YEL BLU MED LO 1 2 PL5 COM PL1 G DHUM BLK HI MED HI 3 PL3 115VAC PR1 TRAN 24VAC 1 2 FRS1 FRS2 LGPS PL7 PRS FSE NOTE 5 GV 8 9 6 5 2 3 7 4 1 IDM NOT USED DS...

Page 15: ...tarily turn off the FAN switch or pushbut ton on the room thermostat for 1 3 sec after the blower is operating The control will shift the blower speed from factory setting of FAN to HEAT speed Momentarily turning off the FAN switch again at the thermostat will shift the continuous blower speed selection from HEAT to COOL Repeating the procedure will cause the control to shift from COOL to FAN spee...

Page 16: ... manifold pressure to obtain input rate 1 Remove regulator adjustment seal cap See Fig 17 2 Turn adjusting screw counterclockwise out to de crease manifold pressure or clockwise in to increase manifold pressure NOTE This furnace has been approved for a manifold pressure of 3 2 in wc to 3 8 in wc when installed at altitudes up to 2000 ft For altitudes above 2000 ft the manifold pressure can be adju...

Page 17: ...43 3 0 43 3 1 43 3 2 43 3 3 Altitudes 950 43 2 7 43 2 8 43 2 9 43 3 0 43 3 1 2000 975 43 2 6 43 2 7 43 2 8 43 2 9 43 2 9 to 1000 43 2 5 43 2 5 43 2 6 43 2 7 43 2 8 4500 1025 43 2 3 43 2 4 43 2 5 43 2 6 43 2 7 ALTITUDE RANGE FT AVG GAS HEAT VALUE AT ALTITUDE BTU CU FT SPECIFIC GRAVITY OF NATURAL GAS 0 58 0 60 0 62 0 64 0 66 Orifice No Manifold Pressure Orifice No Manifold Pressure Orifice No Manifo...

Page 18: ...50 43 2 5 43 2 6 43 2 7 43 2 8 43 2 9 to 775 43 2 4 43 2 5 43 2 5 43 2 6 43 2 7 800 43 2 2 43 2 3 43 2 4 43 2 5 43 2 5 7000 825 43 2 1 43 2 2 43 2 2 43 2 3 43 2 4 850 48 3 7 43 2 0 43 2 1 43 2 2 43 2 3 875 48 3 5 48 3 6 48 3 8 43 2 1 43 2 1 ALTITUDE RANGE FT AVG GAS HEAT VALUE AT ALTITUDE BTU CU FT SPECIFIC GRAVITY OF NATURAL GAS 0 58 0 60 0 62 0 64 0 66 Orifice No Manifold Pressure Orifice No Man...

Page 19: ... 5 43 2 6 650 43 2 1 43 2 2 43 2 3 43 2 3 43 2 4 to 675 48 3 7 43 2 0 43 2 1 43 2 2 43 2 2 700 48 3 4 48 3 6 48 3 7 43 2 0 43 2 1 10 000 725 49 3 8 48 3 3 48 3 4 48 3 5 48 3 6 750 49 3 5 49 3 6 49 3 8 48 3 3 48 3 4 775 49 3 3 49 3 4 49 3 5 49 3 6 49 3 7 Orifice sizes shown in BOLD are factory installed Table 7 Altitude Derate Multiplier for U S A ALTITUDE FT OF DERATE DERATE MULTIPLIER FACTOR FOR ...

Page 20: ...he Start Up Procedures section as part of normal operation 1 Check primary limit control This control shuts off the combustion control system and energizes the circulating air blower motor if the furnace overheats The preferred method of checking the limit control is to gradually block off the return air after the furnace has been operating for a period of at least 5 minutes As soon as the limit h...

Page 21: ... heat and wait 1 minute When pressure switch is functioning properly hot surface igniter should NOT glow and control diagnostic light flashes a status code 31 If hot surface igniter glows when inducer motor is disconnected shut down furnace immediately Determine reason pressure switch did not function properly and correct condition e Turn off 115 v power to furnace f Reconnect inducer motor wires ...

Page 22: ...nada ____________ Local Codes ____________ 1 4 in Upward Slope ____________ Joints Secure ____________ See Attached Vent Table Instructions CHECKLIST START UP ____________ Gas Input Rate Set Within 2 percent of Rating Plate ____________ Temperature Rise Adjusted ____________ Thermostat Anticipator Setting Adjusted or ____________ Thermostat Cycle Rate 3 cycles per Hr CHECK SAFETY CONTROLS OPERATIO...

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Page 24: ...rvice Training plus hands on the products in our labs can mean increased confidence that really pays dividends in faster troubleshooting fewer callbacks Course descriptions and schedules are in our catalog CALL FOR FREE CATALOG 1 800 962 9212 Packaged Service Training Classroom Service Training Copyright 2000 CARRIER Corp 7310 W Morris St Indianapolis IN 46231 58wav9si Manufacturer reserves the ri...