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106633-UIM-A-0205

Unitary Products Group

SECTION X: WIRING DIAGRAM

FIGURE 26:

Wiring Diagram

Содержание FC9T Series

Страница 1: ...IST OF SECTIONS SAFETY 1 DUCTWORK 3 FILTERS 6 GAS PIPING 6 ELECTRICAL POWER 8 COMBUSTION AIR AND VENT SYSTEM 9 CONDENSATE PIPING 15 SAFETY CONTROLS 16 START UP AND ADJUSTMENTS 16 WIRING DIAGRAM 23 LIS...

Страница 2: ...ational vehicles Failure to carefully read and follow all instructions in this manual can result in furnace malfunction death personal injury and or property damage Furnaces for installation on combu...

Страница 3: ...required for passage to the front when servicing or for inspection or replacement of flue vent connections In all cases accessibility clearances shall take precedence over clear ances for combustible...

Страница 4: ...the Supply Duct Static Pressure reading to the Return Duct Static Pressure reading and adding the pressure drop across any applied coil TABLES 2 AND 3 are to be used as a guide only to help the instal...

Страница 5: ...eal the furnace to plenum connections to prevent air leakage Refer to Figure 1 for unit and plenum dimensions Attic installations must meet all minimum clearances to combustibles and have floor suppor...

Страница 6: ...nd in the codes The furnace rating plate and the instructions in this section specify the type of gas approved for this furnace only use those approved gases The instal lation of a drip leg and ground...

Страница 7: ...nal pressure Never apply a pipe wrench to the body of the gas valve when installing piping A wrench must be placed on the octag onal hub located on the gas inlet side of the valve Placing a wrench to...

Страница 8: ...onnect the green furnace lead equipment ground to the power supply ground An alternate wiring method is to use a field provided 2 5 08 cm x 4 10 2 cm box and cover on the outside of the furnace Route...

Страница 9: ...mplete duct system and its own wall thermostat SECTION VI COMBUSTION AIR AND VENT SYSTEM COMBUSTION AIR AND VENT SAFETY This Category IV dual certified direct vent furnace is designed for resi dential...

Страница 10: ...els column then look to the right in those rows to the five elbows column It shows N A in the 1 1 2 3 8 cm row so 1 1 2 5 1 cm pipe cannot be used the 2 5 1 cm pipe row shows 40 ft 12 2 m so up to 40...

Страница 11: ...0 kW 36 inches 91 cm for models 100 000 BTUH 30 kW Two pipe direct vent applications 9 inches 23 cm for models 50 000 BTUH 15 kW 12 inches 30 cm for models 50 000 BTUH 15 kW Single pipe applications 4...

Страница 12: ...stion air systems must be installed so the vent and the combustion air pipes terminate in the same atmospheric zone Refer to Figures 13 or 14 VENTING MULTIPLE UNITS Multiple units can be installed in...

Страница 13: ...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 14: ...ht FIGURE 19 Outside and Ambient Combustion Air GABLE VENT GAS VENT SOFFIT VENT VENTILATED ATTIC TOP ABOVE INSULATION OPTIONAL INLET a OUTLET AIR a VENTILATED CRAWL SPACE GAS WATER HEATER VENTILATED A...

Страница 15: ...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 5 3 Air...

Страница 16: ...CONTROLS These controls are mounted on the burner box assembly If the temper ature in the burner box exceeds its set point the ignition control and the gas valve are de energized The operation of thi...

Страница 17: ...ll start and come up to speed Shortly after inducer start up the hot surface igniter will glow for about 17 seconds b After this warm up the ignition module will energize open the main gas valve c Aft...

Страница 18: ...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 19: ...shown in Figure 23 The procedure below is used to adjust either the high fire manifold pressure or the low fire manifold pressure IMPORTANT The cap for the pressure regulator must be removed entirely...

Страница 20: ...The fan off timing may be adjusted by positioning the jumper on two of the four pins as shown in Figure 25 The furnace control board also allows user selection of the blower speed that is energized d...

Страница 21: ...1225 35 1175 33 1105 31 1045 30 990 28 905 25 890 25 790 22 100 1600 C 80 1600 C HIGH 1960 56 1955 55 1925 55 1890 54 1830 52 1765 50 1695 48 1615 46 1600 45 1485 42 M HI 1565 44 1560 44 1560 44 1575...

Страница 22: ...otal system static is 0 58 w c To determine the system airflow complete the follow ing steps Obtain the airflow values at 0 50 w c 125 Pa 0 60 w c 150 Pa ESP Airflow 0 50 2285 CFM 64 70 m3 min Airflow...

Страница 23: ...106633 UIM A 0205 Unitary Products Group 23 SECTION X WIRING DIAGRAM FIGURE 26 Wiring Diagram...

Страница 24: ...change without notice Printed in U S A 106633 UIM A 0205 Copyright by York International Corp 2005 All rights reserved Supersedes 035 20417 001 Rev C 0904 Unitary 5005 Norman Product York OK Group Dr...