268890-UIM-B-0607

 

A

 

T-STAT WIRING 7/8” K.O.

 

T-STAT WIRING 7/8” K.O.

 

 

HORIZONTAL CONDENSATE

 

HORIZONTAL CONDENSATE

DRAIN OPENING 1-3/4”

 

 

DRAIN OPENING 1-3/4”

 

 

HORIZONTAL CONDENSATE

40

HORIZONTAL

DRAIN OPENING 2”

 

CONDENSATE

 

 

JUNCTION BOX

 

DRAIN OPENING 1-3/4”

HOLE 7/8”

 

 

 

 

JUNCTION BOX

GAS PIPE ENTRY 1-1/2”

 

HOLE 7/8”

CONDENSATE DRAIN

 

GAS PIPE

 

ENTRY 1-1/2”

HOLE 7/8”

 

 

 

SIDE PIPING HOLE 3-3/8”

 

 

 

 

CONDENSATE DRAIN

 

 

HOLE 7/8”

28-1/2

 

 

LEFT SIDE

FRONT

RIGHT SIDE

 

 

23-5/8

19-1/4

1-1/4

5/8

 

 

1-1/4

D

5/8

 

 

 

 

B

C

 

 

 

 

20

 

2-1/4

 

 

 

23-1/4

BOTTOM IMAGE

 

TOP IMAGE

SUPPLY END

 

RETURN END

FIGURE 3: Dimensions

 

 

TABLE 4: Cabinet and Duct Dimensions

BTUH (kW)

CFM

Cabinet

 

 

 

Cabinet Dimension

 

 

 

Input/Output

Size

 

 

 

 

 

 

 

 

A (in.)

A (cm)

B (in.)

B (cm)

C (in.)

C (cm)

D (in.)

D (cm)

 

 

 

 

 

 

 

 

 

 

 

 

40/37 (11.7/10.8)

1200 (34.0)

A

14-1/2

36.8

13-1/4

33.7

12

30.5

1-3/4

4.44

60/56 (17.6/16.4)

1200 (34.0)

B

17-1/2

44.4

16-1/4

41.3

15

38.1

1-3/4

4.44

80/75 (23.4/22.0)

1200 (34.0)

B

17-1/2

44.4

16-1/4

41.3

15

38.1

1-3/4

4.44

80/75 (23.4/22.0)

1600 (45.3)

C

21

53.3

19-3/4

50.2

18-1/2

47.0

2-1/8

5.40

100/95 (29.3/27.8)

1600 (45.3)

C

21

53.3

19-3/4

50.2

18-1/2

47.0

2-1/8

5.40

100/95 (29.3/27.8)

2000 (56.6)

C

21

53.3

19-3/4

50.2

18-1/2

47.0

2-1/8

5.40

120/112 (35.1/32.8)

2000 (56.6)

D

24-1/2

62.2

23-1/4

59.1

22

55.9

2-1/2

6.35

RESIDENTIAL AND NON HUD MODULAR HOME DOWNFLOW AND HORIZONTAL RETURN PLENUM CONNECTION

The return duct system must be connected to the furnace inlet and the return duct system must terminate outside the space containing the fur- nace. When replacing an existing furnace, if the existing plenum is not the same size as the new furnace then the existing plenum must be removed and a new plenum installed that is the proper size for the new furnace.

Attach the return plenum to the furnace inlet duct flanges. This is typi- cally through the use of S cleat material when a metal plenum is used. The use of an approved flexible duct connector is recommended on all installations. The connection of the plenum to the furnace and all the ducts connecting to the plenum must be sealed to prevent air leakage. The sheet metal should be crosshatched to eliminate any popping of the sheet metal when the indoor fan is energized.

The duct system is a very important part of the installation. If the duct system is improperly sized the furnace will not operate properly. The ducts attached to the furnace must be of sufficient size so that the fur- nace operates at the specified external static pressure and within the air temperature rise specified on the nameplate.

Attic installations must meet all minimum clearances to combustibles and have floor support with required service accessibility.

IMPORTANT: If an external mounted filter rack is being used see the instructions provided with that accessory for proper hole cut size.

SECTION III: FILTERS

FILTER INSTALLATION

All applications require the use of a filter. Replacement filter size is shown in Table 5.

TABLE 5: Recommended Filter Sizes

Input / Output

CFM

Cabinet

Top Return

BTU/H (kW)

(m3/min)

Size

Filter in(cm)

40 (11.7)

1200 (34)

A

(2) 14 x 20 (36 x 51)

60 (17.8)

1200 (34)

B

(2) 14 x 20 (36 x 51)

80 (23.4)

1200 (34)

B

(2) 14 x 20 (36 x 51)

80 (23.4)

1600 (45)

C

(2) 14 x 20 (36 x 51)

100 (29.3)

1600 (45)

C

(2) 14 x 20 (36 x 51)

100 (29.3)

2000 (57)

C

(2) 14 x 20 (36 x 51)

120 (35.1)

2000 (57)

D

(2) 14 x 20 (36 x 51)

NOTES:

1.Air velocity through throwaway type filters may not exceed 300 feet per minute. All velocities over this require the use of high velocity fil- ters.

Unitary Products Group

7

Page 7
Image 7
York GY9S*DH, GM9S*DH, GF9S*DH installation manual Section III Filters, Filter Installation, Cfm

GF9S*DH, GY9S*DH, GM9S*DH specifications

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