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York International PxDU series, User'S Information, Maintenance And Service Manual

Find the Owner's Manual for the Unitary products group PxDU series in our Downloads section. Easily download the manual for free from our website. The comprehensive manual provides all the information needed to operate and maintain your PxDU series product. Access it now for a seamless user experience.

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035-19671-001 Rev. A (0404)

Unitary Products Group

13

SECTION IV: WIRING DIAGRAM

 FIGURE 9:  

Wiring Diagram

Summary of Contents for PxDU series

Page 1: ...lectrical parts that have been wet or the furnace if deemed necessary FIRE OR EXPLOSION HAZARD Failure to follow safety warnings exactly could result in serious injury death or prop erty damage Do not...

Page 2: ...pace containing the furnace 4 Examine the furnace casing making sure the physical support is sound without sagging cracks or gaps Examine the furnace base making sure it is physically sound without cr...

Page 3: ...art of the control system and any gas control which has been under water Operating Instructions 1 STOP Read the safety information above 2 Set the thermostat to the lowest setting 3 Turn off all elect...

Page 4: ...ers by using brackets with the number two 2 D If the air filters are on both sides of the furnace then you have a two sided return You must replace both air filters Table 1 will indicate 2 filters by...

Page 5: ...n using a 2 Stage thermostat the Timer should be discon nected The Inducer Motor is shifted to high speed by the control closing the contacts of 2LP The High Fire Pressure Switch The Control checks th...

Page 6: ...ss doors 2 Remove blower assembly mounting screws and slide the blower assembly out of the slots in the deck If the two shipping screws were not previously removed also remove and discard these two sc...

Page 7: ...lacement gaskets be avail able before removing vent motor 1 Remove six mounting screws that hold the vent motor to the restrictor plate The surface is gasketed and gasket can be reused if it is carefu...

Page 8: ...Dirty Filter Improperly sized duct system Incorrect blower speed selection Incorrect firing rate Faulty blower motor Faulty Control 6 Flash Reason 1LP has opened five times during one call for heat Ef...

Page 9: ...W INDUCER LOW STAGE PRESSURE SWITCH HSI 1ST STAGE MAIN VALVE FLAME SENSE LOW CIRCULATOR HEAT SPEED 1ST STAGE LOW PRESSURE SWITCH CLOSE RECOGNITION HSI WARM UP 17 SEC IGNITION ACTIVATION PERIOD 4 SEC T...

Page 10: ...35 19671 001 Rev A 0404 10 Unitary Products Group SECTION III REPLACEMENT PARTS LIST 28 38 39 32 27 3 30 26 5 10 9 22 24 6 20 11 2 37 29 8 23 12 7 35 17 19 21 13 1 16 15 25 4 41 12A 7 35 24 36 12 19 1...

Page 11: ...GAS 20 BRACKET IGNITER 21 DECK BLOWER Rear 22 DECK FRONT 23 HEAT EXCHANGER ASS Y 24 MANIFOLD GAS 25 PANEL ACCESS BURNERS 26 PAN BASE 27 PANEL FRONT Blower 28 PANEL TOP 29 WRAPPER INSULATED 30 CHANNEL...

Page 12: ...tage Heat One Stage Cool ALL MODELS 2TB17700424 THERMOSTAT Subbase for 2TH13700424 ALL MODELS 2ET07700324 THERMOSTAT Programmable ALL MODELS 2ET07700224 THERMOSTAT Deluxe Programmable One stage Heat O...

Page 13: ...035 19671 001 Rev A 0404 Unitary Products Group 13 SECTION IV WIRING DIAGRAM FIGURE 9 Wiring Diagram...

Page 14: ...035 19671 001 Rev A 0404 14 Unitary Products Group NOTES...

Page 15: ...035 19671 001 Rev A 0404 Unitary Products Group 15...

Page 16: ...pplies only to products installed in the United States and Canada EXCLUSIONS This warranty does not cover any 1 Shipping labor or material charges 2 Damages resulting from transportation installation...

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