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035-17480-000 Rev. A (800)

Unitary Products Group

25

FURNACE ACCESSORIES

Electrical

2TH04701524

Thermostat, Two-stage Heat/Two-stage Cool, Deluxe 24V

2TB04700224

Thermostat Subbase

2TH04701024

Thermostat, Two-stage Heat/Two-stage Cool

2ET07700424

Programmable Thermostat, Two-stage Heat/Two-stage Cool

Non-Electrical

1NK0301

Condensate Neutralizer Kit

1NP0480

Propane Conversion Kit

1SR0302

External Side Filter Rack (6-Pack)

1BR0314

External Bottom Filter Rack - Cabinet “A”

1BR0317

External Bottom Filter Rack - Cabinet “B”

1BR0321

External Bottom Filter Rack - Cabinet “C”

1BR0324

External Bottom Filter Rack - Cabinet “D”

1CT0302

Concentric Vent 2” vent pipe

1CT0303

Concentric Vent 3” vent pipe

1PS0315

High Altitude Pressure Switch Kit (See form 035-14460-000 for proper application)

1PS0316

1PS0317

1PS0318

TABLE 7: AIRFLOW DATA - UPFLOW MODELS: P*XU/G9D-UP

MODELS: P1XU/

G9D-UP

SPEED

TAP

EXTERNAL STATIC PRESSURE, INCHES W.C.

0.10

0.20

0.30

0.40

0.50

0.60

0.70

0.80

0.90

1.00

60 / 55 / 1200 / "B"
80 / 75 / 1200 / "B”

HIGH

1465

1440

1390

1365

1315

1255

1190

1125

1055

940

MED

1085

1075

1060

1045

1030

1000

960

910

830

755

LOW

805

795

785

770

755

730

700

655

615

565

80 / 75 / 1600 / "C”

HIGH

1940

1905

1870

1815

1760

1700

1620

1555

1460

1305

MED

1400

1390

1380

1370

1355

1320

1285

1255

1210

1135

LOW

1245

1225

1205

1185

1165

1145

1125

1095

1050

970

100 / 95 / 1400 / "C”

HIGH

1785

1720

1650

1575

1495

1405

1315

1190

1050

880

MED

1430

1405

1375

1340

1290

1220

1130

1025

885

730

LOW

1150

1135

1120

1080

1045

1000

925

825

700

575

100 / 95 / 2000 / "C

HIGH

2355

2285

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

2020

1935

1840

1755

1650

MED

1990

1955

1920

1875

1835

1775

1715

1630

1550

1450

LOW

1565

1550

1530

1505

1480

1445

1405

1350

1280

1200

NOTE: Data below reflects airflows with two return openings - two sides or one side and bottom.

100 / 95 / 2000 / "C”

HIGH

2365

2295

2215

2155

2090

2005

1915

1830

1725

1620

MED

1965

1930

1885

1845

1795

1725

1655

1575

1490

1390

LOW

1595

1575

1560

1525

1490

1450

1400

1335

1265

1170

120 / 112 / 2000 / "D”

HIGH

2385

2325

2255

2185

2110

2030

1945

1850

1765

1660

MED

2005

1970

1935

1890

1850

1790

1730

1645

1565

1465

LOW

1585

1570

1550

1525

1500

1465

1425

1370

1300

1220

Содержание P*XU/G9D-UP

Страница 1: ...TART UP AND ADJUSTMENTS 20 ACCESSORY CONNECTIONS 24 FURNACE ACCESSORIES 25 FILTER PERFORMANCE 26 OPERATION AND MAINTENANCE 26 TROUBLESHOOTING 30 FURNACE CONTROL DIAGNOSTICS 30 WIRING DIAGRAM UPFLOW MO...

Страница 2: ...THREE TWO PIPE SYSTEM USING COMBUSTION AIR FROM A VENTILATED ATTIC SPACE 18 HORIZONTAL VENT APPLICATIONS 18 CONDENSATE PIPING 19 SAFETY CONTROLS 19 START UP AND ADJUSTMENTS 20 IGNITION SYSTEM SEQUENCE...

Страница 3: ...ransit There are no shipping or spacer brackets which need to be removed NOTES CAUTIONS WARNINGS The installer should pay particular attention to the words NOTE CAUTION and WARNING NOTES are intended...

Страница 4: ...size as determined using the appropriate tables in Appendix G of the above codes SPECIFIC UNIT INFORMATION LIMITATIONS LOCATION This furnace should be installed in accordance with all national and lo...

Страница 5: ...leaning Eighteen 18 inches at the side where access is required for passage to the front when servicing or for inspection or replacement of flue vent connections 8 Where it will not interfere with the...

Страница 6: ...ust comply with the National Electrical Code NFPA 70 latest edition For altitudes above 2 000 ft reduce capacity 4 for each 1 000 ft above sea level Refer to Form 650 78 N1 1V Wire size based on coppe...

Страница 7: ...ls NOTE In order to achieve the airflow indicated in the table it is recommended those applications over 1800 CFM use return air from two sides one side and the bottom or bottom only For single return...

Страница 8: ...cation outside the utility room or basement For further details consult Section 5 3 Air for Combustion and Ventilation of the National Fuel Gas Code ANSI Z223 1 or CAN CGA B149 1 or 2 Installation Cod...

Страница 9: ...for 63 F 35 C rise wire when installed in accordance with instructions Refer the rating plate or Physi cal and Rating Data Tables in these instructions for specific furnace electrical data Provide a p...

Страница 10: ...mostat to the terminal board on the ignition module Connect Class 2 control wiring for single stage thermostat or for two stage thermostat Refer to Figure 7 for single stage and Fig ure 8 for two sta...

Страница 11: ...e observed Long radius elbows are required for all units 1 Long radius elbows are required for all units 2 Elbows are assumed to be 90 degrees Two 45 degree elbows count as one 90 degree elbow 3 Elbow...

Страница 12: ...e grade and anticipated snow 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 multipl...

Страница 13: ...ional Clearance FIGURE 12 Horizontal Termination Configuration With Horizontal Extension VENT OVERHANG COMBUSTION AIR ELBOW PARALLEL TO WALL 12 SEPARATION BETWEEN BOTTOM OF COMBUSTION AIR AND BOTTOM O...

Страница 14: ...fined space is an area with less than 50 cubic feet per 1000 Btu hr input rating for all appliances installed in that area The following must be considered to obtain proper air for combustion and vent...

Страница 15: ...all be permitted to be waived where special engineering approved by the authority having jurisdiction provides an adequate supply of air for combus tion ventilation and dilution of flue gases Combusti...

Страница 16: ...nted vertical terminals may be field fabricated Standard PVC SRD fittings may be used Terminal configuration must comply as detailed in this section When selecting the locations for vent termination t...

Страница 17: ...ater tight seal 7 Support the vent piping such that it is angled 1 4 per lin ear foot so that condensate will flow back towards the furnace Piping should be supported with pipe hangers to prevent sagg...

Страница 18: ...Table 5 on page 16 Follow all notes installation procedures and required materials in the METHOD TWO ONE PIPE SYSTEM on page 14 to install the vent pipe from the unit to the outdoors VENT TERMINATION...

Страница 19: ...quiva lent pipe be field installed as drain pipe The condensate piping may be tied together with the air conditioning con densate drain if the air conditioning condensate drain line is trapped upstrea...

Страница 20: ...furnace the gas 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 th...

Страница 21: ...more accurate input rate adjustment To calculate a meter correction factor use the following formula Using the information from above calculate the gas input rat ing by multiplying the number of cubi...

Страница 22: ...djustment 1 Turn off all electrical power to the system at main fuse or circuit breaker 2 Attach a manometer to the outlet pressure tap of the valve 3 Turn on power and energize main and redundant P M...

Страница 23: ...crease the rise All direct drive blowers have multi speed motors The blower motor speed taps are located in the control box in the blower compartment Refer to Figure 28 and the unit wiring label to ch...

Страница 24: ...ion of the circulating blower NOTE EAC and HUM power leads are provided in the junction box for easier installation FIGURE 27 Upflow Models P XU G9D UP Reading Gas Pressure GAS VALVE U TUBE MANOMETER...

Страница 25: ...5 1075 1060 1045 1030 1000 960 910 830 755 LOW 805 795 785 770 755 730 700 655 615 565 80 75 1600 C HIGH 1940 1905 1870 1815 1760 1700 1620 1555 1460 1305 MED 1400 1390 1380 1370 1355 1320 1285 1255 1...

Страница 26: ...urnace with 2 return openings and operating on high speed blower it is found that total sys tem static is 0 58 w c To determine the system airflow com plete the following steps 1 Obtain the airflow va...

Страница 27: ...035 17480 000 Rev A 800 Unitary Products Group 27 FIGURE 29 Sequence Timing For 50a51 243 Control...

Страница 28: ...eriod the gas valve is de energized the ignitor is turned off and the 50A51 control goes into the retry sequence The retry sequence provides a 120 second wait with inducer inter purge following an uns...

Страница 29: ...l the filter simply reverse this procedure Lubrication Blower motors in these furnaces are permanently lubricated and do not require periodic oiling BLOWER CARE Even with good filters properly in plac...

Страница 30: ...valves in the gas line to the furnace must be open 3 Make sure all wiring connections are secure 4 Review the sequence of operation Start the system by setting the thermostat above the room temperatur...

Страница 31: ...used by a number of problems blocked vent or chimney faulty inducer cracked pressure switch hose 7 FLASH This fault code indicates that flame could not be established This no light condition occurred...

Страница 32: ...NACE RELAY IGNITER GV GRD DOOR SWITCH N O SW ELEMENTARY DIAGRAM POWER SUPPLY 120 1 60 SEE NOTE 1 GRD DS C NO LS1 C 1LP COM 120V 24V SEC PRI 1T 40VA VENTOR MOTOR HSI NOTES LEGEND DOT DELAY ON TIMER FUS...

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