York FG9-DH 100, Installation Instructions Manual

Page 1: ...ESSORIES 32 AIRFLOW DATA UPFLOW 33 AIRFLOW DATA DOWNFLOW HORIZONTAL 33 OPERATION AND MAINTENANCE 34 TROUBLESHOOTING 37 FURNACE CONTROL DIAGNOSTICS 37 WIRING DIAGRAM UPFLOW MODELS 39 WIRING DIAGRAM DOW...

Page 2: ...ALITY 20 VENT PIPE SIZING 1 PIPE SYSTEM 21 VENT TERMINATION 1 PIPE SYSTEM 21 VENT TERMINAL LOCATION CLEARANCES 21 PIPING ASSEMBLY 23 METHOD THREE TWO PIPE SYSTEM USING COM BUSTION AIR FROM A VENTILATE...

Page 3: ...ION WHERE THE OPERATION OF THE PRODUCT COULD CAUSE PERSONAL INJURY OR PROPERTY DAMAGE IMPROPER INSTALLATION ADJUSTMENT ALTERATION SERVICE OR MAINTENANCE CAN CAUSE INJURY OR PROPERTY DAMAGE REFER TO TH...

Page 4: ...resized it should be resized to approach the minimum size as determined using the appropriate tables in Appendix G of the above codes SPECIFIC UNIT INFORMATION LIMITATIONS LOCATION This furnace should...

Page 5: ...on The furnace shall be located 1 Where a minimum amount of air intake vent piping and elbows will be required 2 As centralized with the air distribution as possible 3 In an area where ventilation fac...

Page 6: ...R I N G 7 8 K O C O N D E N S A T E D R A I N 7 8 H O L E 4 1 8 G A S O U T L E T 1 1 4 X 2 1 2 A l l g a s p i p e c o n n e c t i o n s 1 2 N P T 1 3 4 9 7 8 7 5 8 Models P XU G9D UH A 60 55 1200 B...

Page 7: ...not be below 55 F 3 4 F R O N T L E F T S I D E R I G H T S I D E G A S I N L E T 1 1 4 X 2 1 2 D V e n t C o n n e c t i o n 3 3 4 A L T G A S I N L E T 1 1 4 X 2 1 2 T S T A T W I R I N G 7 8 K O 3...

Page 8: ...l when a metal plenum is used The use of an approved flexible duct connector is recommended on all installations This connection should be sealed to prevent air leakage If a matching cooling coil is u...

Page 9: ...t air from bypassing the filter DO NOT remove stiffening rods from inside the filter Shorten the rods if necessary to match final filter size 5 Position the filter between the wire retainer and the ca...

Page 10: ...tructions provided with that accessory for proper hole cut size Upflow attic installations must meet all minimum clearances to combustibles and have floor support with required service accessibility D...

Page 11: ...on top of the shipping carton to protect the finish The appropriate elec trical knock outs for power wiring control wiring and gas pip ing should be removed at this time For horizontal application ret...

Page 12: ...tion GAS PIPING The gas supply must be installed in accordance with the cur rent National Fuel Gas Code ANSI Z223 1 in the U S or CAN B149 1 or 2 in Canada installation codes and all appli cable local...

Page 13: ...ch in the OFF position check all wiring against the unit wiring label Also see the wiring diagram in this instruction NOTE The furnace s control system depends on correct polarity of the power supply...

Page 14: ...ring as shown in Figures 13 14 Electronic thermostats may require a common connection as shown dashed in Figure 14 FIGURE 11 UPFLOW MODELS P UR FG9 UP G9T UP ELECTRICAL WIRING CLASS 2 SYSTEM CONTROL W...

Page 15: ...te side vented systems where trees or shrubs will not block or restrict supply air from enter ing or combustion products from leaving the terminal Also the terminal assembly should be located as far a...

Page 16: ...s ASTM standards D1785 Schedule 40 PVC D2665 PVC DWV F891 PVC DWV Cellular Core D2241 SDR 21 and SDR 26 PVC D2261 ABS DWV or F628 Sched ule 40 ABS Pipe cement and primer must conform to ASTM Standards...

Page 17: ...gradation of build ing materials by flue gases NOTE Shaded components of the combustion air vent sys tem shown in the following figures are considered to be part of the vent terminal These components...

Page 18: ...sagging Maximum spacing between hangers is five 5 feet except SDR PVC pip ing where maximum spacing is three 3 feet 8 Seal around the openings where the combustion air and vent piping pass through the...

Page 19: ...bic feet per 1000 Btu hr input rating for all appliances installed in that area Rooms communicating directly with the space containing the appliances are considered part of the unconfined space if ope...

Page 20: ...anically operated louvers are used a means to prevent main burner ignition and operation must be pro vided should louvers close during startup or operation Special Combustion and Ventilation Considera...

Page 21: ...m to ASTM Stan dards D2564 PVC or D2235 ABS 5 The use of flexible connectors or no hub connectors in the vent system is not allowed VENT TERMINATION 1 PIPE SYSTEM Side wall horizontal vent terminals a...

Page 22: ...These components should not be counted when determining pipe diameter Sidewall termination may require sealing or shielding of building surfaces with a corrosive resistant mate rial due to vent syste...

Page 23: ...quired materials in the Two Pipe Sealed Combustion sec tion Method 1 when installing the combustion air pipe within the unit and into the ventilated attic space COMBUSTION AIR TERMINATION Refer to Fig...

Page 24: ...e a reducer bushing of proper diameter in the stem portion of the tee The recommended size for the reducer is 5 8 3 Place a piece of 5 8 diameter or other selected size pipe a minimum of 3 long into t...

Page 25: ...placement and sizing Drain Connection The following steps apply to all models For horizontal application also follow the procedure for relo cating the trap assembly and installing drain hoses 1 It is...

Page 26: ...alfunction in the combustion air blower heat exchanger or a blocked vent pipe connection Corrective action is required This is a manual reset control and must be reset before operation can continue Pr...

Page 27: ...s piping may be full of air In order to purge this air it is recommended that the ground union be loosened until the odor of gas is detected When gas is detected immediately retighten the union and ch...

Page 28: ...domestic gas meter usually has a 1 2 or 1 cubic foot test dial 3 Using the number of seconds for each revolution and the size of the test dial increment find the cubic feet of gas consumed per hour Re...

Page 29: ...d end of the main gas valve Install the proper manometer tube adapter into this opening 2 Read the inlet gas pressure using either of the two meth ods below a Reading the gas pressure with the burner...

Page 30: ...e the same speed or a different speed To use the same speed tap for heating and cooling the heat terminal and cool terminal must be connected using a jumper wire and con nected to the desired motor le...

Page 31: ...UR FG9 UP G9T UP READING GAS PRESSURE WITH BURNER BOX COVER IN PLACE WITH BURNER BOX COVER REMOVED FIGURE 40 DOWNFLOW HORIZONTAL MODELS P DH FG9 DH G9T DH READING GAS PRESSURE WITH BURNER BOX COVER I...

Page 32: ...ion Kit 1NP0349 Propane LP Conversion Kit 1PS0306 High Altitude Pressure Switch See Form 650 75 N2 1V for proper application 1PS0307 1PS0308 1PS0309 1PS0310 1SR0302 External Side Filter Rack 6 Pack 1B...

Page 33: ...6 1327 1248 1152 Airflow expressed in standard cubic feet per minute Notes 1 Return air is through side opposite motor left side 2 Air flows above 1800 CFM require either return from two sides or one...

Page 34: ...ter continues to operate for 15 seconds after the gas flow stops The blower motor continues to operate for the amount of time set by the fan off delay switches located on the control board The heatin...

Page 35: ...then be moved to the new location and the ends inserted in the loops on the rear panel at the new location Loops are provided for retainer location to accommodate filter applica tion on the bottom or...

Page 36: ...eaning or servicing the blower assembly DO NOT remove or change the balance clips on the blower wheel 6 To reassemble reverse the procedure restore power to the furnace and verify operation Burner Rem...

Page 37: ...king LED It is located behind a clear view port in the blower compartment door DO NOT remove the furnace blower compartment panel OR turn off furnace power as either action will clear the control s me...

Page 38: ...minal faulty inducer cracked pressure switch hose or a blockage in the condensate drainage system 7 FLASH This fault code indicates that flame could not be established This no light condition occurred...

Page 39: ...035 14370 000 650 75 N4U Unitary Products Group 39 WIRING DIAGRAM UPFLOW MODELS P UR FG9 UP G9T UP NOTE THE FURNACE S CONTROL SYSTEM DEPENDS ON CORRECT POLARITY OF THE POWER SUPPLY...

Page 40: ...ts Group 1999 All rights reserved Supersedes 650 75 N4U 599 650 75 N1U 899 Unitary 5005 York Norman Product Drive OK Group North 73069 WIRING DIAGRAM DOWNFLOW HORIZONTAL MODELS P DF FG9 DH G9T DH NOTE...