Unitary products group DGAD Installation Manual Download Page 28 | Manualshive

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

268882-UIM-A-0407

Copyright

©

by York International Corp. 2007. All rights reserved.

Supersedes: 167809-UIM-C-0506

Unitary

P. O.

WIchita

Products

Box

KS

Group

19014

67204-9014

SECTION X: WIRING DIAGRAM

FIGURE 31:

Wiring Diagram

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Summary of Contents for DGAD

Page 1: ...START UP AND ADJUSTMENTS 20 WIRING DIAGRAM 28 LIST OF FIGURES Combustible Floor Base Accessory 5 Transition Kit Assembly 6 Attachment to Structure 6 Blend Air Bracket 6 Dimensions 7 Mobile Home Filte...

Page 2: ...ration has the combustion air pipe connected to the burner box and terminating in an attic or crawl space The vent pipe terminates external to the building The vent pipe and combustion air pipe will n...

Page 3: ...the side wall exhaust vent termination is less than seven 7 feet above finished grade in the area of the venting including but not limited to decks and porches the following require ments shall be sat...

Page 4: ...t 0 635 cm m so that condensate will flow towards the drain 4 If this unit is installed in an unconditioned space and an extended power failure occurs there will be potential damage to the conden sate...

Page 5: ...be the same dimensional size as the rectangu lar opening in the base of the furnace The duct system is a very important part of the installation If the duct system is improperly sized the furnace will...

Page 6: ...rnace with screws The fur nace and the transition kit are then placed on the cooling coil cab inet and secured with screws IMPORTANT The furnace transition kit when used and the cooling coil cabinet M...

Page 7: ...return air duct and plenum are not required by state local or regional codes then the filter can be attached to the top of the fur nace as shown in Figure 6 IMPORTANT When replacing an existing the fu...

Page 8: ...PORTANT Plan your gas supply before determining the correct gas pipe entry Use 90 degree service elbow s or short nipples and con ventional 90 degree elbow s to enter through the cabinet access holes...

Page 9: ...e placed on the octagon hub located on the gas inlet side of the valve Placing a wrench to the body of the gas valve will damage the valve causing improper oper ation and or the valve to leak The gas...

Page 10: ...e leads into the box using a protective bushing where the wires pass through the furnace panel After making the wiring con nections replace the wiring box cover and screws Refer to Figure 10 3 The fur...

Page 11: ...ion that can be installed in a Manufactured Mobile Home Rubber couplings and hose clamps may be used to provide a secure connection between the furnace PVC pipe and ABS pipe The rubber couplings can b...

Page 12: ...less than the 90 foot maximum equivalent length of 3 pipe allowed for that model and is thus acceptable Dimensions are those required in Standard ASTM D 3311 NOTE Sidewall vent terminal may be used f...

Page 13: ...ons Primer and cement must conform to ASTM D2564 for PVC or ASTM D2235 for ABS piping 7 All joints must provide a permanent airtight and watertight seal NOTE Be sure to visually check each pipe connec...

Page 14: ...ons 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...

Page 15: ...ly on the 2 5 1 cm 45 PVC street elbow as shown in Figure 16 3 Locate the rubber condensate hose in front of the blower access panel 4 Slide the hose through the hole in the top cover and insert the h...

Page 16: ...ir intake pipe should be located either through the wall horizontal or side vent or through the roof vertical vent Care should be taken to locate side vented systems where trees or shrubs will not blo...

Page 17: ...lar Home Installations Only GABLE VENT GAS VENT SOFFIT VENT VENTILATED ATTIC TOP ABOVE INSULATION OPTIONAL INLET a OUTLET AIR a VENTILATED CRAWL SPACE GAS WATER HEATER VENTILATED ATTIC TOP ABOVE INSUL...

Page 18: ...4 5 of these instructions Ventilated Combustion Air Modular Home Installations Only The ventilated attic space or a crawl space from which the combustion air is taken must comply with the requirement...

Page 19: ...028 15158 000 9 Drain tube Vent system Horizontal RT Before Tee Horizontal LT 028 15168 000 3 Drain tube Inducer Down flow 028 15169 002 5 Drain tube After Tee Down flow 028 15175 000 4 Drain tube Rai...

Page 20: ...air blower heat exchanger or a blocked vent pipe connection Corrective action is required These are manual reset controls that must be reset before operation can continue PRESSURE SWITCHES This furna...

Page 21: ...l 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 Afte...

Page 22: ...0 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 gas...

Page 23: ...erence atmo spheric pressure Refer to Figure 39 for connection details IMPORTANT The cap for the pressure regulator must be removed entirely to gain access to the adjustment screw Loosening or tighten...

Page 24: ...must be long enough to adequately cool the furnace but not so long that cold air is blown into the heated space The fan off timing may be adjusted by positioning the jumper on two of the four pins WIT...

Page 25: ...as valve dirty or faulty flame sensor faulty hot surface ignitor or burner problem may cause this The furnace will lock out for one hour and then restart 8 RED FLASHES This fault is indicated if the f...

Page 26: ...20 Low 752 745 731 718 698 652 602 580 536 496 21 21 21 20 20 18 17 16 15 14 80 High 2071 2026 1981 1935 1864 1796 1713 1625 1532 1401 59 57 56 55 53 51 48 46 43 40 Med High 1583 1590 1569 1554 1532...

Page 27: ...s Obtain the airflow values at 0 50 w c 0 124 Pa 0 60 w c 0 149 kPa ESP Airflow 0 50 2034 CFM 58 m3 min Airflow 0 60 1924 CFM 54 m3 min Subtract the airflow 0 50 w c 0 124 kPa from the airflow 0 60 w...

Page 28: ...rinted in U S A 268882 UIM A 0407 Copyright by York International Corp 2007 All rights reserved Supersedes 167809 UIM C 0506 Unitary P O WIchita Products Box KS Group 19014 67204 9014 SECTION X WIRING...

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