Amana GUC Series Manual de instrucciones descargar pdf (Pagina 8)

must terminate at least one foot outside to keep moist

combustion products away from the structure. The vent

termination must be at least three feet above any forced air

inlet located within ten feet. It must be at least four feet

below, four feet horizontally from or one foot above any

door, window, or gravity air inlet into any building. The vent

must terminate at least one foot above ground level. If

heavy snow is expected locally, this distance may need to

be increased. The vent shall not terminate over public

walkways, or over an area where condensate or vapor

could create a nuisance or hazard or could be detrimental

to the operation of regulators, relief valves, or other equip-

ment. Drill a 2-3/8 inch diameter hole through the wall for

2 inch pipe. (For 3 inch pipe, drill a 3-1/2 inch diameter

hole.) Cut a piece of PVC (ABS) pipe that is the thickness

of the wall plus the depth of the sockets of the fittings to be

installed on the inside and outside of the walls. To prevent

the vent pipe from moving and possibly damaging connec-

tions, locate the fitting on the inside wall and a coupling on

the outside wall as shown in Fig. 5. To prevent condensate

from freezing inside the PVC flue pipe in extremely cold

conditions or in long outdoor runs, insulation may be

required on the cut side of the PVC pipe. Use 1/2 inch

thickness closed cell foam insulation such as Armaflex or

Insultube.

Figure 5

Horizontal Vent Termination

In a basement installation,

the vent pipe may be run

between the joist spaces. If the vent must go below the

joists, then the pipe must run up into the last joist space to

go through the header. Two 45° elbows should be used

rather than 90’s. The horizontal run must not have any sag

that can hold condensate and should pitch up at least 1/4

inch per foot so that condensate will run back to the unit to

drain. Support the horizontal run at least every three feet.

Allow for some expansion and contraction from tempera-

ture fluctuations. The normal direction changes usually

account for this, but if you have a long run followed by a

short offset of less than 40 inches such as going up into the

last joist space, the pipe should be tightly clamped to

prevent flex loading on the fittings. Seal around the pipe on

the outside wall with silicone caulking material.

If the vent is to be run vertically through the roof,

it must

extend at least 12 inches above the roof line and shall be

at least 12 inches from any vertical wall. It must terminate

at least three feet above any forced air inlet located within

10 feet, and at least 12 inches from any door, window, or

gravity air inlet into any building. If heavy snow is expected

to remain on the roof, the clearances to vertical walls and

the roof may need to be increased. The vent must be made

furnace. Amana does not encourage nor recommend

using these connectors. However, if you do choose to use

“no-hub connectors,” the connectors must be gas tight,

water tight, and able to withstand continuous exposure to

the warm, moist, acidic flue products of the furnace.

It is the responsibility of the installer to follow the manufac-

turers’ recommendations and to verify that all flue pipe

connectors used are compatible with the furnace flue

products. In addition the connectors must possess ad-

equate structural integrity to prevent flue pipe separations

during furnace operation.

V. Vent Piping - GUX (All Installations),

GUC (All Installations), and GUD

(One Pipe Installations)

IMPORTANT: The length of the vent pipe affects the

performance of the furnace and therefore must be care-

fully sized.

Pipe Diameter for GUC(All Models),

GUX (All Models), and GUD045 (One Pipe Venting)

# of Inside

Elbows

5 to

10 feet

10 to

15 feet

15 to

20 feet

20 to

25 feet

25 to

30 feet

30 to

35 feet

35 to

40 feet

40 to

45 feet

45 to

50 feet

1 2"2"2"2"2"2"2"3"3"

2 2"2"2"2"2"2"2"3"3"

3 2"2"2"2"2"2"3"3"3"

4 2"2"2"2"2"3"3"3"3"

5 2"2"2"2"2"3"3"3"3"

6 2"2"2"2"3"3"3"3"3"

7 2"2"2"3"3"3"3"3"3"

8 2"2"3"3"3"3"3"3"3"

Pipe Diameter for GUD070

(One Pipe Venting)

# of Inside

Elbows

5 to

10 feet

10 to

15 feet

15 to

20 feet

20 to

25 feet

25 to

30 feet

30 to

35 feet

35 to

40 feet

40 to

45 feet

45 to

50 feet

1 2"2"2"2"2"2"2"3"3"

2 2"2"2"2"2"2"2"3"3"

3 2"2"2"2"2"2"3"3"NA

4 2"2"2"2"2"3"3"NANA

5 2"2"2"2"2"3"NANANA

6 2"2"2"2"3"NANANANA

7 2"2"2"3"NANANANANA

8 2" 2" 3" NANANANANANA

Pipe Diameter for GUD090, GUD115

(One Pipe Venting)

# of Inside

Elbows

5 to

10 feet

10 to

15 feet

15 to

20 feet

20 to

25 feet

25 to

30 feet

30 to

35 feet

35 to

40 feet

40 to

45 feet

45 to

50 feet

1 3"3"3"3"3"3"3"3"3"

2 3"3"3"3"3"3"3"3"3"

3 3"3"3"3"3"3"3"3"NA

4 3"3"3"3"3"3"3"NANA

5 3"3"3"3"3"3"NANANA

6 3"3"3"3"3"NANANANA

7 3"3"3"3"NANANANANA

8 3" 3" 3" NANANANANANA

The inside feet of straight pipe and inside elbows represent

the venting system from the furnace to the inside wall.

Follow termination instructions for going from the inside

wall to the outside in the next paragraph.

When the vent pipe goes through an outside wall,

the vent

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