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Subject to change without notice. Printed in U.S.A.

292278-UIM-A-0108

Supersedes: 172078-YIM-C-0606

Unitary

5005

Norman

Product

York

Group

Drive

73069

SECTION XII: WIRING DIAGRAM

FIGURE 26:

Wiring Diagram

Jan 04, 2006 03:48PM [a5kps v1.50]

Содержание FC9C UP Series

Страница 1: ...l codes LIST OF SECTIONS FURNACE DESCRIPTION 1 SAFETY 1 DUCTWORK 4 FILTERS 6 GAS PIPING 7 ELECTRICAL POWER 8 COMBUSTION AIR AND VENT SYSTEM 14 CONDENSATE PIPING 20 SAFETY CONTROLS 21 START UP AND ADJU...

Страница 2: ...as listed under Clearances to Combustibles in Table 1 Provide clearances for servicing ensuring that service access is allowed for both the burners and blower These models ARE NOT CSA listed or appro...

Страница 3: ...e floor and the furnace must be located or protected to avoid physical damage by vehicles The furnace area must not be used as a broom closet or for any other storage purposes as a fire hazard may be...

Страница 4: ...OTE When attaching duct flange do not shoot the screw down into the casing Use the formed flange intended for duct flange attachment The duct system is a very important part of the installation If the...

Страница 5: ...ndi cate the presence of leaks in the heat exchanger This access cover shall be attached in such a manner as to prevent leaks TABLE 2 Minimum Duct Sizing For Proper Airflow Input Airflow Return1 Recta...

Страница 6: ...r this require the use of high velocity fil ters 2 Air flows above 1800 CFM require either return from two sides or one side plus bottom SIDE RETURN FILTER INSTALLATION Locate and mark the side return...

Страница 7: ...l At elevations above 4 000 feet the furnace will automatically reduce it s input rate if necessary to maintain good combustion If the natural gas being supplied has also been derated by the gas suppl...

Страница 8: ...o Furnace Diag nostics section of the User s Information Maintenance Ser vice Manual provided with this furnace LOW VOLTAGE CONTROL WIRING CONNECTIONS Install the field supplied thermostat by followin...

Страница 9: ...age Compressor Y2 Second Stage Compressor C 24 Volt Common R 24 Volt Hot Y1 Single Stage Compressor VARIABLE SPEED MODULATING FURNACE CONTROL G Fan VARIABLE SPEED MODULATING FURNACE Y Y2 Second or Ful...

Страница 10: ...Move HUMIDISTAT jumper to YES if humidistat is to be used FL9C FC9C PC9 ID MODELS External Humidistat Optional Open on Humidity Rise 24VAC Humidifier Optional External Humidistat Optional Open on Hum...

Страница 11: ...n HM Humidistat Step 1 of Thermostat User Configuration Menu must be set to MLTISTG E W1 First Stage Heat 24VAC Humidifer Optional C 24 Volt Common R 24 Volt Hot Y1 Single Stage Compressor VARIABLE SP...

Страница 12: ...l C 24 Volt Common R 24 Volt Hot Y1 Single Stage Compressor VARIABLE SPEED MODULATING FURNACE CONTROL G Fan VARIABLE SPEED MODULATING FURNACE Y Y2 Second or Full Stage Compressor HUM Dehumidification...

Страница 13: ...09137 18395 031 01996 340512 031 09178 1 FL9C FC9C PC9 ID MODELS YZE OD MODELS YZH H 5 H 8 C 24 Volt Common R 24 Volt Hot Y1 First Stage Compressor O Reversing Valve Energized in Cool L Malfunction L...

Страница 14: ...for a particular model then the vent can have 65 equivalent feet of pipe AND the combustion air intake can have another 65 equivalent feet of pipe 3 Three vent terminal elbows two for the vent and on...

Страница 15: ...ystems from the furnace to the out side termination B Ventilated combustion air systems from the furnace to the attic or crawl space termination 6 Disassemble the combustion air and vent piping apply...

Страница 16: ...ns 9 inches 23 cm for models 50 000 BTUH 15 kW 12 inches 30 cm for models 50 000 BTUH 15 kW C Clearance to permanently closed window 12 inches 30 cm 12 inches 30 cm D Vertical clearance to ventilated...

Страница 17: ...ombustion air systems must be installed so the vent and the combustion air pipes terminate in the same atmospheric zone Refer to Figures 14 or 15 VENTING MULTIPLE UNITS Multiple units can be installed...

Страница 18: ...ical vent Care should be taken to locate side vented systems where trees or shrubs will not block or restrict supply air from entering the terminal Also the terminal assembly should be located as far...

Страница 19: ...ENTILATED ATTIC TOP ABOVE INSULATION OPTIONAL INLET a OUTLET AIR a VENTILATED CRAWL SPACE GAS WATER HEATER VENTILATED ATTIC TOP ABOVE INSULATION GAS VENT GABLE VENT SOFFIT VENT GAS WATER HEATER INLET...

Страница 20: ...bustion Air The ventilated attic space or a crawl space from which the combustion air is taken must comply with the requirements specified in AIR SOURCE FROM OUTDOORS in this instruction or in Section...

Страница 21: ...s sensor monitors combus tion airflow through furnace and piping systems If any of the conditions listed above are detected by the pressure sensor the control board will prevent a hazardous condition...

Страница 22: ...ing any pressure testing of that system at test pres sures in excess of 1 2 PSI 3 45 kPa The furnace must be isolated from the gas supply piping system by closing the equipment shutoff valve during an...

Страница 23: ...3600 then divided by the time it took to measure 0 10 m3 of gas from the gas meter For Propane LP Gas multiply the Heat content of the gas MJ m3 or Default 93 15 times 0 10 m3 of gas measured at the...

Страница 24: ...nt screws on main gas valve 2 Turn gas and electrical supplies on and follow the operating instructions to place the unit back in operation 3 Adjust manifold pressure by adjusting gas valve regulator...

Страница 25: ...s fan operation can be adjusted as desired This is done my moving the RECIRC jumper on the control board to give the desired airflow The jumper has three positions The A position delivers maximum air...

Страница 26: ...rate 6 The firing rate is automatically adjusted to meet demand increas ing gradually to maximum 100 firing rate if the thermostat is not satisfied within a defined time 7 When the thermostat R and W...

Страница 27: ...five minutes indi cating that the blower motor or blower wheel has failed Twelve Red Flashes ID plug is not present or not connected properly check for loose plug or loose wires in plug Steady On Red...

Страница 28: ...730 530 22 4 16 1 20 7 15 0 C C 630 530 590 500 17 8 15 0 16 7 14 2 D C 80 000 100 000 INPUT 4 Ton 100 000 INPUT 5 Ton 80 000 100 000 INPUT 4 Ton 100 000 INPUT 5 Ton JUMPER SETTINGS CFM CFM m min m mi...

Страница 29: ...50 w c 125 Pa to obtain a percentage 0 58 0 50 0 60 0 50 0 8 Multiply percentage by airflow difference to obtain airflow reduction 0 8 X 110 88 Subtract airflow reduction value to airflow 0 50 w c 125...

Страница 30: ...A 292278 UIM A 0108 Copyright by Unitary Products Group 2008 All rights reserved Supersedes 172078 YIM C 0606 Unitary 5005 Norman Product York OK Group Drive 73069 SECTION XII WIRING DIAGRAM FIGURE 26...

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