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166753-UIM-C-0706

Unitary Products Group

27

NOTES

1. Airflow expressed in standard cubic feet per minute (CFM) and in cubic meters per minute (m

3

/min).

2. Return air is through side opposite motor (left side).
3. Motor voltage at 115 V.
4. Airflow through motor side return (right side) maybe slightly less than shown above.

* Input / CFM / Cabinet Width (A=14-1/2, B=17-1/2, C=21, D=24-1/2)
† Indicates model available in LoNOx.

TABLE 18: 

Blower Performance CFM - Upflow/Horizontal (without filter) - Left Side Return

MODELS

Input /

CFM

Speed

Single Stage Left Side Airflow Data (SCFM)

Single Stage Left Side Airflow Data

 (cm/m)

Ext. Static Pressure (in. H2O)

Ext. Static Pressure (kPa)

0.1

0.2

0.3

0.4

0.5

0.6

0.7

0.8

0.9

1.0

0.025 0.050 0.075 0.100 0.125 0.149 0.174 0.199 0.224 0.249

40/1200/A 

High

1810 1730 1660 1570 1480 1390 1300 1200 1090 930

51.3 49.0 47.0 44.5 41.9 39.4 36.8 34.0 30.9 26.3

Medium High 1390 1390 1350 1320 1270 1210 1150 1080 970

790

39.4 39.4 38.2 37.4 36.0 34.3 32.6 30.6 27.5 22.4

Medium Low 1120 1120 1120 1110 1080 1080 1020 930

830

690

31.7 31.7 31.7 31.4 30.6 30.6 28.9 26.3 23.5 19.5

Low

880

910

920

920

910

870

820

740

650

510

24.9 25.8 26.1 26.1 25.8 24.6 23.2 21.0 18.4 14.4

60/1200/A 

High

1770 1690 1630 1560 1490 1390 1290 1190 1050 920

50.1 47.9 46.2 44.2 42.2 39.4 36.5 33.7 29.7 26.1

Medium High 1400 1380 1350 1320 1280 1230 1160 1060 930

780

39.6 39.1 38.2 37.4 36.2 34.8 32.8 30.0 26.3 22.1

Medium Low 1120 1130 1150 1130 1120 1080 1000 950

790

630

31.7 32.0 32.6 32.0 31.7 30.6 28.3 26.9 22.4 17.8

Low

880

900

900

900

880

850

790

730

660

530

24.9 25.5 25.5 25.5 24.9 24.1 22.4 20.7 18.7 15.0

80/1200/A 

High

1790 1720 1670 1590 1530 1450 1350 1260 1140 1000

50.7 48.7 47.3 45.0 43.3 41.1 38.2 35.7 32.3 28.3

Medium High 1420 1370 1350 1320 1280 1230 1170 1090 990

840

40.2 38.8 38.2 37.4 36.2 34.8 33.1 30.9 28.0 23.8

Medium Low 1080 1120 1110 1100 1080 1040 1000 920

820

690

30.6 31.7 31.4 31.1 30.6 29.4 28.3 26.1 23.2 19.5

Low

N/A

900

900

890

870

850

800

730

670

560

N/A

25.5 25.5 25.2 24.6 24.1 22.7 20.7 19.0 15.9

80/1600/B 

High

2000 1960 1930 1900 1800 1760 1710 1640 1550 1460

56.6 55.5 54.7 53.8 51.0 49.8 48.4 46.4 43.9 41.3

Medium

1440 1440 1430 1420 1400 1380 1340 1300 1220 1150

40.8 40.8 40.5 40.2 39.6 39.1 37.9 36.8 34.5 32.6

Low

1220 1230 1230 1230 1200 1190 1170 1160 1110 1050

34.5 34.8 34.8 34.8 34.0 33.7 33.1 32.8 31.4 29.7

80/1600/C 

High

2172 2101 2028 1943 1854 1732 1621 1503 1344 1144

61.5 59.5 57.4 55.0 52.5 49.0 45.9 42.5 38.0 32.4

Medium

1640 1633 1626 1584 1518 1480 1378 1276 1125 965

46.4 46.2 46.0 44.8 43.0 41.9 39.0 36.1 31.8 27.3

Low

1388 1404 1412 1396 1362 1311 1222 1144 1001 827

39.3 39.7 40.0 39.5 38.5 37.1 34.6 32.4 28.3 23.4

80/2000/C 

80/2200/C

High

2710 2640 2560 2480 2360 2260 2160 2010 1860 1650

76.7 74.8 72.5 70.2 66.8 64.0 61.2 56.9 52.7 46.7

Medium High 2110 2110 2070 2030 1980 1910 1850 1710 1570 1300

59.7 59.7 58.6 57.5 56.1 54.1 52.4 48.4 44.5 36.8

Medium Low 1690 1690 1650 1610 1540 1480 1410 1280 1170 1030

47.9 47.9 46.7 45.6 43.6 41.9 39.9 36.2 33.1 29.2

Low

1350 1330 1310 1290 1260 1220 1150 1050 970

860

38.2 37.7 37.1 36.5 35.7 34.5 32.6 29.7 27.5 24.4

100/1200/B 

High

1780 1710 1640 1560 1490 1390 1290 1180 1030 820

50.4 48.4 46.4 44.2 42.2 39.4 36.5 33.4 29.2 23.2

Medium High 1430 1410 1370 1340 1280 1220 1140 1040 890

730

40.5 39.9 38.8 37.9 36.2 34.5 32.3 29.4 25.2 20.7

Medium Low 1140 1170 1150 1120 1080 1040 970

890

760

630

32.3 33.1 32.6 31.7 30.6 29.4 27.5 25.2 21.5 17.8

Low

920

940

950

940

920

890

850

770

660

560

26.1 26.6 26.9 26.6 26.1 25.2 24.1 21.8 18.7 15.9

100/1600/B 

High

1950 1890 1840 1790 1730 1660 1570 1480 1390 1300

55.2 53.5 52.1 50.7 49.0 47.0 44.5 41.9 39.4 36.8

Medium

1440 1420 1400 1390 1350 1320 1270 1210 1150 1060

40.8 40.2 39.6 39.4 38.2 37.4 36.0 34.3 32.6 30.0

Low

1230 1210 1190 1180 1150 1130 1090 1050 990

920

34.8 34.3 33.7 33.4 32.6 32.0 30.9 29.7 28.0 26.1

100/1600/C 

High

2172 2101 2027 1941 1852 1738 1627 1508 1365 1148

61.5 59.5 57.4 54.9 52.4 49.2 46.0 42.7 38.6 32.5

Medium

1632 1653 1625 1590 1537 1477 1382 1279 1148 974

46.2 46.8 46.0 45.0 43.5 41.8 39.1 36.2 32.5 27.6

Low

1391 1391 1431 1415 1350 1315 1244 1143 1022 883

39.4 39.4 40.5 40.0 38.2 37.2 35.2 32.3 28.9 25.0

100/2000/C 

High

2770 2670 2610 2540 2450 2340 2210 2070 1890 1730

78.4 75.6 73.9 71.9 69.4 66.3 62.6 58.6 53.5 49.0

Medium High 2120 2060 2030 2000 1950 1880 1810 1720 1580 1370

60.0 58.3 57.5 56.6 55.2 53.2 51.3 48.7 44.7 38.8

Medium Low 1690 1660 1630 1610 1560 1490 1420 1350 1240 1070

47.9 47.0 46.2 45.6 44.2 42.2 40.2 38.2 35.1 30.3

Low

1390 1370 1330 1290 1250 1200 1120 1010 910

850

39.4 38.8 37.7 36.5 35.4 34.0 31.7 28.6 25.8 24.1

115/1600/C 

High

2160 2070 1990 1900 1800 1690 1580 1430 1260 1000

61.2 58.6 56.4 53.8 51.0 47.9 44.7 40.5 35.7 28.3

Medium

1760 1720 1690 1630 1560 1480 1390 1250 1080 890

49.8 48.7 47.9 46.2 44.2 41.9 39.4 35.4 30.6 25.2

Low

1510 1490 1470 1440 1380 1300 1210 1110

950

780

42.8 42.2 41.6 40.8 39.1 36.8 34.3 31.4 26.9 22.1

115/2000/C 

High

2740 2650 2560 2480 2380 2280 2170 1990 1840 1650

77.6 75.0 72.5 70.2 67.4 64.6 61.4 56.4 52.1 46.7

Medium High 2120 2090 2040 2000 1940 1870 1780 1680 1550 1370

60.0 59.2 57.8 56.6 54.9 53.0 50.4 47.6 43.9 38.8

Medium Low 1690 1670 1650 1610 1560 1510 1440 1310 1160 1030

47.9 47.3 46.7 45.6 44.2 42.8 40.8 37.1 32.8 29.2

Low

1390 1360 1330 1300 1250 1190 1100 1020 940

840

39.4 38.5 37.7 36.8 35.4 33.7 31.1 28.9 26.6 23.8

130/2000/D 

High

2680 2600 2520 2410 2300 2180 2050 1910 1730 1550

75.9 73.6 71.4 68.2 65.1 61.7 58.0 54.1 49.0 43.9

Medium High 2140 2110 2070 1990 1930 1850 1770 1670 1530 1370

60.6 59.7 58.6 56.4 54.7 52.4 50.1 47.3 43.3 38.8

Medium Low 1660 1640 1620 1570 1530 1470 1400 1310 1220 1090

47.0 46.4 45.9 44.5 43.3 41.6 39.6 37.1 34.5 30.9

Low

1370 1350 1320 1290 1240 1190 1140 1040 930

860

38.8 38.2 37.4 36.5 35.1 33.7 32.3 29.4 26.3 24.4

Summary of Contents for GM8S*UH

Page 1: ...IPING 8 ELECTRICAL POWER 9 TWINNING AND STAGING 12 VENT SYSTEM 14 SAFETY CONTROLS 19 START UP AND ADJUSTMENTS 20 WIRING DIAGRAM SAFETY 1 LIST OF FIGURES Dimensions 5 Typical Attic Installation 6 Typic...

Page 2: ...to be sure that the elec trical characteristics match All models use nominal 115 VAC 1 Phase 60 Hertz power supply DO NOT CONNECT THIS APPLI ANCE TO A 50 HZ POWER SUPPLY OR A VOLTAGE ABOVE 130 VOLTS...

Page 3: ...earances shall take precedence over clear ances for combustible materials where accessibility clearances are greater Installation in a residential garage A gas fired furnace for installation in a resi...

Page 4: ...y subtracting the Return Air Temperature Reading from the Supply Air Temperature Read ing 2 The External Static Pressure is determined by adding the Supply Duct Static Pressure reading to the Return D...

Page 5: ...as orifice and or a faulty limit switch can cause the furnace to operate above the maximum supply air temperature Refer to sections II III and IX for additional informa tion on correcting the problem...

Page 6: ...with the air conditioning coil for additional information Horizontal Installations Without a Cooling Coil Cabinet When installing this appliance the furnace must be installed so as to create a closed...

Page 7: ...lter rack following the instructions provided with that accessory If a filter s is provided at another location in the return air system the ductwork may be directly attached to the furnace side panel...

Page 8: ...factory for natural gas fired operation at 0 8 000 feet 0 m 2 438 m above sea level The manifold pressure must be changed in order to manitain proper and safe operation when the furnace is installed...

Page 9: ...y using factory specified and or approved parts must perform the conversion The installer must take every precaution to insure that the furnace has been converted to the proper gas orifice size when t...

Page 10: ...cut wire tie holding excess wiring Reposition on the left side of the furnace and fas ten using holes provided LOW VOLTAGE CONTROL WIRING CONNECTIONS LOW VOLTAGE CONTROL WIRING CONNECTIONS LOW VOLTAG...

Page 11: ...mon C 24 Volt Common Optional w Batteries BN11C01124 DP11C40124 PSC FURNACE CONTROL SINGLE STAGE AIR CONDITIONING BN11C00124 BP11C50124 PP11C70224 THERMOSTAT THERMOSTAT THERMOSTAT HP1 W 031 01975 Seri...

Page 12: ...s Separate plenums and supply ducts systems cannot be utilized A sin gle return air plenum common to both furnaces must be used It is sug gested that a return platform be utilized with bottom air entr...

Page 13: ...single two stage furnace This allows only one furnace to supply heat during times when the heat output from one furnace is sufficient to satisfy the demand When one duct system is used for two furnac...

Page 14: ...es the maximum allowable vent pipe length the furnace must be converted for high altitude operation Refer to SECTION IV GAS PIP ING of these instructions and the proper high altitude application instr...

Page 15: ...to the proper length beginning at the furnace 2 Deburr the piping inside and outside 3 Dry fit the vent piping assembly from the furnace to the termination checking for proper fit support and slope Pi...

Page 16: ...ionable 6 Horizontal portions of the vent system must slope upwards and be supported to prevent sagging The vent system may be supported by the use of clamps or hangers secured to a permanent part of...

Page 17: ...d for use 4 A automatically operated damper or automatically adjustable lou vers shall be interlocked so that the main burner cannot operate unless either the damper or the louver is in the fully open...

Page 18: ...izontally from the burner level of the appliance Refer to AIR SOURCE FROM OUTDOORS AND VENT AND SUPPLY AIR SAFETY CHECK in these instructions for additional information and safety check procedure 2 Th...

Page 19: ...tion Corrective action is required These are manual reset controls that must be reset before operation can continue PRESSURE SWITCHES PRESSURE SWITCHES PRESSURE SWITCHES PRESSURE SWITCHES This furnace...

Page 20: ...g 1 5 16 0 8 cm tee 1 5 16 0 8 cm x 1 8 3 175 mm reducing coupling 1 1 8 0 3 cm adapter There is a accessory kit 1PK0602 available from Source 1 which has the following items 12 30 cm length x 1 8 0 3...

Page 21: ...er times a barometric pressure and temperature correction factor of 0 960 times 3600 then divided by the time it took to measure 2 cubic ft 0 0566 m3 of gas from the gas meter For Propane LP Gas multi...

Page 22: ...ure 30 for connection details IMPORTANT The cap for the pressure regulator must be removed entirely to gain access to the adjustment screw Loosening or tightening the cap does not adjust the flow of g...

Page 23: ...sure regulator adjustment cap and adjustment screws on main gas valve 7 After the manifold pressure has been adjusted re calculate the furnace input to make sure you have not exceeded the specified in...

Page 24: ...ter pressure drop values in Table 15 are typical values for the type of filter listed and should only be used as a guideline Actual pres sure drop ratings for each filter type vary between filter manu...

Page 25: ...is 0 58 w c To determine the system airflow complete the following steps Obtain the airflow values at 0 50 w c 125 Pa 0 60 w c 150 Pa ESP Airflow 0 50 1250 CFM 35 4 m3 min Airflow 0 60 1180 CFM 33 4...

Page 26: ...35 7 Medium Low 1720 1700 1670 1620 1570 1500 1430 1310 1160 1000 48 7 48 1 47 3 45 9 44 5 42 5 40 5 37 1 32 8 28 3 Low 1410 1390 1360 1330 1280 1220 1170 1060 930 840 39 9 39 4 38 5 37 7 36 2 34 5 33...

Page 27: ...030 1980 1910 1850 1710 1570 1300 59 7 59 7 58 6 57 5 56 1 54 1 52 4 48 4 44 5 36 8 Medium Low 1690 1690 1650 1610 1540 1480 1410 1280 1170 1030 47 9 47 9 46 7 45 6 43 6 41 9 39 9 36 2 33 1 29 2 Low 1...

Page 28: ...opyright by York International Corp 2006 All rights reserved Supersedes 166753 UIM B 0306 Unitary 5005 Norman Product York OK Group Drive 73069 SECTION X WIRING DIAGRAM SECTION X WIRING DIAGRAM SECTIO...

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