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Страница: 11 / 52

507714-01

Page 11 of 52

Issue 1716

Figure 15.

SUPPLY AIR

PLENUM

PROPERLY

SIZED FLOOR

OPENING

FURNACE

NON-COMBUSTIBLE

FLOORING

Installation on Combustible Flooring

See Figure 16

1. When unit is installed on a combustible floor, a

downflow combustible flooring base must be installed

between the furnace and the floor. The base must be

ordered separately. See Table 2 for opening size to

cut in floor.

The furnace and combustible flooring base shall not be

installed directly on carpeting, tile, or other combustible

material other than wood flooring.

CAUTION

Table 2. Combustible Flooring Base Opening Size

Cabinet

Width

Catalog

Number

Front to Rear

Side to Side

in.

B cabinet

(17.5”)

11M60

559

18-3/4

476

C cabinet

(21”)

11M61

559

22-3/4

578

Figure 16.

FURNACE

SUPPLY AIR

PLENUM

COMBUSTIBLE

FLOORING BASE

PROPERLY

SIZED FLOOR

OPENING

COMBUSTIBLE

FLOORING

2. After opening is cut, set the combustible flooring base

into opening.

3. Check fiberglass strips on the combustible flooring

base to make sure they are properly glued and

positioned.

4. Lower supply air plenum into the combustible flooring

base until plenum flanges seal against fiberglass

strips.

NOTE:

Be careful not to damage fiberglass strips.

Check for a tight seal.

5. Set the furnace over the plenum.
6. Ensure that the seal between the furnace and plenum

is adequate.

Installation on Cooling Coil Cabinet

See Figure 17

NOTE:

Downflow combustible flooring kit is not used.

1. Refer to reverse-flow coil installation instructions for

correctly sized opening in floor and installation of

cabinet.

2. When cooling cabinet is in place, set and secure the

furnace according to the instructions that are provided

with the cooling coil. Secure the furnace to the cabinet.

3. Seal the cabinet and check for air leaks.

Figure 17.

Return Air Opening - Downflow Units

Return air may be brought in only through the top opening of

a furnace installed in the downflow position. The following

steps should be taken when installing plenum:

1. Bottom edge of plenum should be flanged with a

hemmed edge (see Figure 18 or Figure 19).

2. Sealing strips should be used to ensure an airtight

seal between the cabinet and the plenum.

Содержание GDD92A

Страница 1: ...service must be performed by a licensed professional installer or equivalent service agency or the gas supplier WARNING As with any mechanical equipment personal injury can result from contact with sh...

Страница 2: ...507714 01 Page 2 of 52 Issue 1716 Unit Dimensions Model GDD95A GDD92A A B C in mm in mm in mm 045 3 070 3 17 1 2 446 16 3 8 416 16 406 090 4 090 5 110 5 21 533 19 7 8 504 19 1 2 495...

Страница 3: ...nd door switch BAG ASSEMBLY BLOWER MOTOR hidden BLOWER ACCESS PANEL HEATING ACCESS PANEL COMBUSTION AIR INDUCER BURNER BOX ASSEMBLY includes flame sensor rollout switches and ignitor GAS VALVE BLOWER...

Страница 4: ...aded street elbow Check equipment for shipping damage If you find any damage immediately contact the last carrier Please refer to specification sheets for available accessories Safety Information DANG...

Страница 5: ...st be equipped to prevent operation of either the heating or the cooling unit unless it is in the full HEAT or COOL setting When installed this furnace must be electrically grounded according to local...

Страница 6: ...er insulated space keep insulation away from the furnace When the furnace is installed in an unconditioned space consider provisions required to prevent freezing of the condensate drain system NOTE Th...

Страница 7: ...his space also includes adjacent rooms which are not separated by a door Though an area may appear to be unconfined it might be necessary to bring in outdoor air for combustion if the structure does n...

Страница 8: ...it may be assumed that wood louvers will have 20to 25 percent free area and metal louvers and grilles will have 60 to 75 percent free area Louvers and grilles must be fixed in the open position or in...

Страница 9: ...control devices which could result in personal injury or death WARNING Select a location that allows for the required clearances that are listed on the unit nameplate Also consider gas supply connect...

Страница 10: ...provide a stable support and an airtight seal to the furnace Allow absolutely no sagging cracks gaps etc For no reason should return and supply air duct systems ever be connected to or from other hea...

Страница 11: ...ooring base to make sure they are properly glued and positioned 4 Lower supply air plenum into the combustible flooring base until plenum flanges seal against fiberglass strips NOTE Be careful not to...

Страница 12: ...aks after the furnace is installed The furnace access panel must always be in place when the furnace is operating and it must not allow leaks into the supply air duct system Return Air Plenum NOTE Ret...

Страница 13: ...be maintained to reduce fire hazard and to minimize breathing of solvent vapors Avoid contact of cement with skin and eyes CAUTION The exhaust and intake connections are made of PVC Use PVC primer an...

Страница 14: ...formly apply a liberal coat of PVC primer for PVC or use a clean dry cloth for ABS to clean inside socket surface of fitting and male end of pipe to depth of fitting socket 6 Promptly apply solvent ce...

Страница 15: ...raft hood relief opening Use the flame of a match or candle 6 After determining that each appliance connected to the common venting system is venting properly step 3 return all doors windows exhaust f...

Страница 16: ...s should be used Exhaust vent termination pipe is sized to optimize the velocity of the exhaust gas as it exits the termination In some applications which permit the use of several different sizes of...

Страница 17: ...78 78 8 26 11 60 45 n a 92 92 73 73 9 21 n a 55 40 87 87 68 68 10 16 50 35 82 82 63 63 Concentric Termination Elevation 0 10 000 ft Number of 90 Elbows Used 2 Pipe 2 1 2 Pipe 3 Pipe Model Model Model...

Страница 18: ...090 110 045 070 090 110 045 070 090 110 1 51 36 14 n a 85 100 28 n a 107 107 88 88 2 46 31 9 80 958 23 102 102 83 83 3 41 26 4 75 90 18 97 97 78 78 4 36 21 n a 70 85 13 92 92 73 73 5 31 16 65 80 8 87...

Страница 19: ...two steps when installing the unit in Direct Vent applications where combustion air is taken from outdoors and flue gases are discharged outdoors The provided air intake screen must not be used in dir...

Страница 20: ...r to Outside Roof Terminated Exhaust Pipe Furnace Ventilation Louvers Crawl Space Intake Debris Screen Provided Inlet Air Minimum 12 in 305mm above Crawl Space Floor Coupling or 3 in to 2 in Transitio...

Страница 21: ...t Insulation in Unconditioned Space for Winter Design Temperatures Single Stage High Efficiency Furnace Winter Design Temperatures1 F C Vent Pipe Diameter Unit Input Size 045 070 090 110 32 to 21 0 to...

Страница 22: ...e under veranda porch deck or balcony 12 Equal to or greater than soffit depth 3 feet 9m 12 3 feet 9m within a height 15 feet 4 5m above the meter regulator assembly 3 feet 9m 6 inches 152mm for appli...

Страница 23: ...mm for appliances 10 000 pliances 10 000 Btuh 3kw and 50 000 pliances 50 000 Btuh 15kw 6 inches 152mm for appliances 10 000 Btuh 3kw 12 inches 305mm for appliances 10 000 Btuh 3kw and 100 000 Btuh 30k...

Страница 24: ...ations Maximum separation is 3 76 mm on roof terminations and 6 152 mm on side wall terminations 3 On roof terminations the intake piping should terminate straight down using two 90 elbows see Figure...

Страница 25: ...NT PIPE SIZE TO TERMINATION 1 1 2 38mm accelerator provided on 71M80 44W92 12 305mm INTAKE AIR EXHAUST VENT Figure 36 Direct Vent Concentric Wall Termination 12 305mm Min above grade or average snow a...

Страница 26: ...nce above grade or average snow accumulation B Horizontal separation between intake and exhaust C Minimum from end of exhaust to inlet of intake D Exhaust pipe length E Wall support distance from top...

Страница 27: ...Figure 42 When exhaust piping must be run up an outside wall any reduction in exhaust pipe size must be done after the final elbow Figure 40 Non Direct Vent Roof Termination Kit UNCONDITIONED ATTIC S...

Страница 28: ...e To Vent Termination Drain Trap assembled Figure 44 Kit 51W18 Parts Identification and Assembly Exhaust from Furnace To Termination Exhaust from Furnace To Termination Figure 45 Kit 51W18 Trap Assemb...

Страница 29: ...ondensate drain Tubing must be 1 1 4 ODx1 ID and should be attached to the drain on the trap using a hose clamp Figure 47 Condensate Trap and Plug Locations 5 Figure 49 shows the furnace and evaporato...

Страница 30: ...507714 01 Page 30 of 52 Issue 1716 Figure 49 Evaporator Coil Using a Separate Drain Figure 50 Evaporator Coil Using a Common Drain Figure 51 Condensate Trap with Optional Overflow Switch...

Страница 31: ...507714 01 Page 31 of 52 Issue 1716 Figure 52 Trap Drain Assembly Using 1 2 PVC or 3 4 PVC...

Страница 32: ...0 feet 2 44 to 3 05 m using suitable hangers or straps Install a drip leg in vertical pipe runs to serve as a trap for sediment or condensate 5 A 1 8 N P T plugged tap or pressure post is located on t...

Страница 33: ...9 580 16 42 530 15 01 490 13 87 460 13 03 430 12 18 400 11 33 1 1 2 38 1 1 610 40 894 2100 59 46 460 41 34 1180 33 41 990 28 03 900 25 48 810 22 94 750 21 24 690 19 54 650 18 41 620 17 56 2 50 8 2 067...

Страница 34: ...sized disconnect switch near the furnace so that power can be turned off for servicing Before connecting the thermostat check to make sure the wires will be long enough for servicing at a later date...

Страница 35: ...wer will run continuously on the heating speed when there is no cooling or heating demand 2 When the furnace is running in the heating mode the indoor blower will run on the heating speed 3 When there...

Страница 36: ...507714 01 Page 36 of 52 Issue 1716 045 3 110 5 090 4 070 3 Figure 59 Typical Wiring Diagram For GDD92A...

Страница 37: ...507714 01 Page 37 of 52 Issue 1716 045 3 110 5 090 5 070 3 Figure 60 Typical Wiring Diagram For GDD95A...

Страница 38: ...BEFORE LIGHTING the unit smell all around the furnace area for gas Be sure to smell next to the floor because some gas is heavier than air and will settle on the floor The gas valve on the unit is eq...

Страница 39: ...through 11 may need to be repeated to purge air from gas line 12 If the appliance will not operate follow the instructions Turning Off Gas to Unit and call your service technician or gas supplier Tur...

Страница 40: ...l gas should burn blue 4 After allowing unit to stabilize for 5 minutes record manifold pressure and compare to value given in Table 13 NOTE Shut unit off and remove manometer as soon as an accurate r...

Страница 41: ...92A Pressure Switch at Varying Altitudes Capacity 0 4500 ft 0 1371m 4501 7500 ft 1371 2286m 7501 10000 ft 2286 3048m 045 No Change No Change 93W88 070 090 110 Pressure switch is factory set No adjustm...

Страница 42: ...2 Visually inspect the venting system for proper size and horizontal pitch Determine there is no blockage or restriction leakage corrosion or other deficiencies which could cause an unsafe condition 3...

Страница 43: ...ostat Heat Anticipation Set the heat anticipator setting if adjustable according to the amp draw listed on the wiring diagram that is attached to the unit Electrical 1 Check all wiring for loose conne...

Страница 44: ...0 455 940 390 0 10 1480 625 1295 550 1070 435 935 365 0 20 1405 585 1255 515 1055 425 930 350 0 30 1355 580 1225 475 1045 405 900 330 0 40 1305 540 1165 470 1010 385 890 325 0 50 1270 525 1110 425 975...

Страница 45: ...55 1510 820 1400 695 1315 595 0 90 1455 1110 1390 790 1350 660 1210 565 Blower Performance GDD95A GDD95A 045 B3 Performance Less Filter External Static Pressure in w g Air Volume Watts at Various Blow...

Страница 46: ...940 1885 795 1500 665 0 20 2200 1220 2085 915 1865 775 1525 655 0 30 2160 1210 1990 875 1830 755 1545 640 0 40 2055 1170 1935 865 1790 725 1530 620 0 50 1970 1130 1855 835 1705 700 1500 600 0 60 1890...

Страница 47: ...____________Actual____________ Winterizing and Condensate Trap Care 1 Turn off power to the furnace 2 Have a shallow pan ready to empty condensate water 3 Remove the clean out cap from the condensate...

Страница 48: ...in center of burner ports 34 Reinstall gas valve manifold assembly Reconnect gas supply line to gas valve 35 Reconnect 2 wires to gas valve 36 Replace the blower compartment access panel 37 Refer to...

Страница 49: ...at may result in unsafe operation For instance items innocently stored next to the furnace may obstruct the combustion air supply This could cause incomplete combustion and the production of carbon mo...

Страница 50: ...507714 01 Page 50 of 52 Issue 1716 Start Up Performance Checklist...

Страница 51: ...y External Static Return External Static Total External Static CONDENSATE LINE 6 Leak Free VENT PIPE 7 Leak Free COOLING MODE INDOOR BLOWER AMPS______ 3 TEMPERATURE DROP Return Duct Temperature Supply...

Страница 52: ...height of eight 8 feet above grade directly in line with the exhaust vent terminal for the horizontally vented gas fueled heating appliance or equipment The sign shall read in print size no less than...

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