York P*UR, Installation Instructions Manual

Page 1: ...ND ADJUSTMENTS 26 FURNACE ACCESSORIES 31 OPERATION AND MAINTENANCE 33 TROUBLESHOOTING 36 INSTALLATION INSTRUCTION CAUTION READ ALL SAFETY GUIDES BEFORE YOU START TO INSTALL YOUR FURNACE SAVE THIS MANU...

Page 2: ...ws or bolts which may have loos ened in transit There are no shipping or spacer brackets which need to be removed NOTES CAUTIONS WARNINGS The installer should pay particular attention to the words NOT...

Page 3: ...the National Fuel Gas Code ANSI Z223 1 or CAN CGA B149 1 or 2 Installation Code latest editions local plumbing or waste water codes and other applicable codes Downflow horizontal models when installed...

Page 4: ...ount of air intake vent piping and elbows will be required 2 As centralized with the air distribution as possible 3 Where adequate combustion air will be available partic ularly when installing as 1 p...

Page 5: ...UR G9T UP FG9 UP CABINET WIDTH AFUE AIR TEMP RISE F MAX OUTLET AIR TEMP F BLOWER TOTAL UNIT AMPS MAX OVER CURRENT PROTECT MIN WIRE SIZE AWG 75 FT ONE WAY INPUT MBH OUTPUT MBH NOM CFM HP AMPS SIZE IN...

Page 6: ...INCREASED TO 3 ON THIS MODEL A B C D E F G 40 37 1000 A 60 55 1200 B 80 75 1200 B 80 75 1600 C 100 95 2000 C 120 112 2000 D Table 2 RATINGS PHYSICAL ELECTRICAL DATA DOWNFLOW HORIZONTAL MODELS MODELS...

Page 7: ...g cooling coil is used it may be placed directly on the furnace outlet and sealed to prevent leakage Follow the coil instructions for installing the supply plenum On all installations without a coil a...

Page 8: ...overs the cabinet air opening and secure the filter in place at the front of the cabinet by fastening the closed looped end of the retainer wire under the flanged edge of the cabinet When properly ins...

Page 9: ...additional infor mation and completion of the coil installation NOTE Duct pliers or other suitable tool can be used to bend perforations To help bend flanges in a straight line scribe a line between t...

Page 10: ...urnace accessories on Page 31 for external filter kit options ATTIC INSTALLATION FIGURE 6 downflow filters FIGURE 7 Combustible Floor Base Accessory NOTE FILTER ACCESS THRU DUCT WORK MUST BE PROVIDED...

Page 11: ...ational Fuel Gas Code ANSI Z223 1 latest edition or the CAN CGA B149 1 or 2 Installation Codes latest edition and all applicable local and utility requirements Some utility companies or local codes re...

Page 12: ...FURNACE CONTROL DIAGNOSTICS on page 36 for symptoms of reversed power supply polarity Connect the power supply as shown on the unit wiring label on the inside of the blower compartment door The black...

Page 13: ...is sized for the furnace com ponents only and should not be connected to power auxiliary devices such as humidifiers air cleaners etc The trans former may provide power for an air conditioning unit c...

Page 14: ...vent system using combustion air from the area surrounding the furnace 3 Two pipe intake vent system using combustion air from a ventilated attic space and a vent pipe to the outside Be sure to follow...

Page 15: ...t termination section These parts are shown shaded For downflow horizontal models the two additional elbows required for the air intake pipe entry into the burner box are also accounted for and should...

Page 16: ...w depth 1 ft Above grade when adjacent to public walkway 7 ft From electric gas meters regulators and relief equipment min horizontal distance 4 ft Does not apply to multiple installations of this fur...

Page 17: ...D2564 for PVC or ASTM D2235 for ABS piping FIGURE 19 Horizontal Termination Raised Configuration for Additional Clearance FIGURE 20 Horizontal Termination Configuration with Hori zontal Extension FIGU...

Page 18: ...refer to Figure 25 COMBUSTION AIR All installations must comply with Section 5 3 Air for Com bustion and Ventilation of the National Fuel Gas Code ANSI Z223 1 or Sections 7 2 7 3 or 7 4 of CAN CGA B14...

Page 19: ...g of all equipment located in the enclosure b Not less than the sum of the areas of all vent con nectors in the confined space 3 Louvers Grilles and Screens a In calculating free area consideration mu...

Page 20: ...ional Standards Institute ANSI standards and Amer ican Society for Testing and Materials ASTM standards D1785 Schedule 40 PVC D2665 PVC DWV F891 PVC DWV Cellular Core D2241 SDR 21 and SDR 26 PVC D2261...

Page 21: ...g NOTE Consideration must be given for degradation of build ing materials by flue gases NOTE Shaded components of the vent system shown in Fig ures 27 through 29 are considered to be part of the termi...

Page 22: ...ires two properly sized pipes One brings combustion air from a properly ventilated attic space and a second pipe from the furnace vent connection top right of unit exits to the outdoors COMBUSTION AIR...

Page 23: ...of excess condensate in the inducer motor during operational cycles refer to Figures 31 or 32 To install the vent drain complete the following steps 1 Place a tee of the proper diameter for the vent s...

Page 24: ...p must be field supplied using 5 8 I D hose material Refer to Figure 35 and Table 8 for hose placement and sizing Drain Connection The following steps apply to all models For horizontal application al...

Page 25: ...ustion air vent piping system These switches de energize the ignition control module and the gas valve if any of the following condi tions are present Refer to Figure 36 for tubing connections 1 Block...

Page 26: ...n the field and in the fac tory should be checked for proper tightness IGNITION SYSTEM SEQUENCE 1 Turn the gas supply ON at external valve and main gas valve 2 Set the thermostat above room temperatur...

Page 27: ...rmation locate 26 seconds in the first column of Read across to the column headed 1 Cubic Foot where you will see that 138 cubic feet of gas per hour are consumed by the furnace at that rate Multiply...

Page 28: ...djustment screw Loosening or tightening the cap does not adjust the flow of gas 3 Refer to Figure 37 on page 27 for location of pressure regulator adjustment cap and screw on main gas valve 4 Turn gas...

Page 29: ...E NOT USED U TUBE MANOMETER 3 5 IN WATER COLUMN GAS PRESSURE SHOWN BURNER BOX WITH COVER REMOVED 6 5 4 3 2 1 0 1 2 3 4 5 6 WITH BURNER BOX COVER IN PLACE WITH BURNER BOX COVER REMOVED FIGURE 39 downfl...

Page 30: ...he fan off setting 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 located...

Page 31: ...285 2205 2145 2080 1995 1905 1820 1715 1610 MED 1950 1915 1870 1830 1780 1710 1640 1560 1475 1375 LOW 1575 1555 1540 1505 1470 1430 1380 1315 1245 1150 120 112 2000 D HIGH 2375 2315 2245 2175 2100 202...

Page 32: ...0 LOW 930 915 895 880 860 835 810 770 695 620 80 75 1600 C HIGH 2030 1980 1925 1870 1830 1755 1675 1600 1515 1435 MED 1505 1490 1475 1460 1440 1420 1380 1340 1280 1215 LOW 1295 1285 1260 1240 1215 119...

Page 33: ...CE OF OPERATION The following describes the sequence of operation of the fur nace Refer to the schematic wiring diagrams in the back of this manual for component location CONTINUOUS BLOWER On cooling...

Page 34: ...AIR FILTERS The filters must be checked periodically for dirt accumulation Dirty filters greatly restrict the flow of air and may cause dam age to the system Clean the filters at least every three mo...

Page 35: ...izontal models only remove four top panel screws and lift the top panel enough to disengage and remove the flue chase assembly 4 Remove blower assembly mounting screws and slide the blower assembly ou...

Page 36: ...en be gently removed from the secondary heat exchanger 3 With a stiff wire brush brush out loose scale or soot 4 Vacuum the secondary heat exchanger 5 Finish the cleaning procedure by following steps...

Page 37: ...2 retries during the call for heat before locking out This may be caused by low gas pressure faulty gas valve faulty hot surface ignitor or burner problem 8 FLASH This fault is indicated if the flame...

Page 38: ...AM POWER SUPPLY 115 1 60 SEE NOTE 1 GND DS C NO LS1 C 1LP COM 120V 24V SEC PRI 1T 40VA Y W R G C VENTOR MOTOR IGN R HEAT COOL THERMOSTAT G ON AUTO Y COOL HEAT OFF W NOTES LEGEND ROS1 ROLL OUT SWITCH L...

Page 39: ...035 17477 001 Rev A 801 Unitary Products Group 39 WIRING DIAGRAM DOWNFLOW HORIZONTAL MODELS P DH FG9 DH G9T DH NOTE THE FURNACE S CONTROL SYSTEM REQUIRES CORRECT POLARITY OF THE POWER SUPPLY...

Page 40: ...hange without notice Printed in U S A 035 17477 001 Rev A 801 Copyright by York International Corp 2001 All rights reserved Supersedes 035 17477 000 Rev A 800 Unitary 5005 Norman Product York OK Group...