HHP PBNU-LD06N040 Handleiding voor installatie-instructies - Pagina 7

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650.65-N2

When the return duct system is not complete, the return con

nection must be run full size from the furnace to a location

outside the utility room or basement. For further details, consult

Section 5.3, Air C ombustion and Ventilation of the National Fuel

Gas Code, ANSI Z223.1 or CAN1-B149.1 or .2 Installation

Code (latest editions).

FILTERS

The type and s ize of filter(s) to

1&-1/4

12-1/4

Inch Width Furnaces

16-1/4 inch wide furnaces are ship p ed with filters

All12- 1 /4

mounted on the left side. Filters may

or right side as follows:

The wire filter retainer must

tion requires moving of the filter from the side to t he bottom

location or vice versa. When relocating filters,

e s s ary to trim the filter to the proper size.

·""

SlOE

APP U CATION

METAL

lOOPS

BOTTO M

.APPU CA TION

RGURE 2 -FILTER RETAINER

The ends of the retainer are attached to the rear panel in two

metal loops (See Figure 2). The ends must

together to free them from the loops. The retainer may then be

moved to the new location, and the ends inserted in the loops

the rear panel at the new location. Loops are provided for

retainer location to accommodate filter application on the bot

tom or either side of the furnace.

TABLE 2- COMBUSTION AIR/VENT PIPE SIZES

MODEL

PBNU-LD06P040/PBNU-L006N040

PBNU-LD1 OP060/PBNU-LD 1 ON060

PBNIJ-LD12P0801PBNU-LD12N080

P BNU-LD16P080/PBNU-LD16N080

PBNU-LD12P 1 OOIPBNU-LD12N100

PBNU-LD20P 1 OO/PBNU-LD20N100

PBNU-LD16P1201PBNU-LD16N120

PBNU-LD20P140/PBNU-LD20N140

1. Must use the

NOTES:

larger

Long

radius elbows recommended

units, use of long radius elbows is

used are shown in Table 1.

relocated to the bottom

moved if the return air applica

may

ffiONT

RETAINER

squeBzed

Pipe

Size

feet

o-5

1-1/2"

pipe size indicated

units,

these

mandatcxy.

To remove a filter from the bottom location, push the closed end

of the fitter retainer to the left until

of the furnace base, which acts as a catch for the retainer.

Wben the retainer is clear of the lip, lift up. The retainer will pivot

in the loops. This· will expose the filter to allow remova L To

reinstall the filter, simply reverse this procedure.

To remove a filter from the side location, push the closed end

of the filter retainer down until it clears the flange on the side

panel, which acts as a catch for the retainer. When the retainer

is clear of th- e flange, it will pivot in the loops.._ Swing the retainer

toward the center of th\3 furnace. This will expose the filter to

allow removal. To reinstall the filter, simply reverse this proce-

dure .

22-1/4 & 2&-1/4 Inch Width Furnaces·

22 - 1 /4

26-1/4 inch wide furnaces are shipped with filters

mounted in the bottom and left side.

nec

For filter removal in these models, follow the same procedure

as with the small width furnaces.

COMBUSTION AIRNENT PIPE SIZING

Refer to Table 2 to select the proper size piping for combustion

air intake and venting. The size will

bination of furnace model, total length of run, and the number

of elbows required. The following rules must also

1. Long radius elbows are recommended for all units except

for

133

unit forvvhich

M B H

the

2. Elbows are assumed to be 90 degrees. Two 45 degreB

elbows count as one 90 degree elbow.

3. Elbow count refers to com bust ion air piping and vent piping

separately. For example, if the table allows for

this will allow a maximum of

air piping and a maximum of

Combustion· air and vent piping must

diameter.

6. All piping and fittings are to be Schedule 40 PVC, PVC

DVVV , ABS-DVVV , SDR-21 PVC, or SDR-26 PVC.

COMBUSTION AIR INTAKE

MAXIMUM ELBOWS PER TOTAL RUN-(See Note 2)

feet

s-1o

1G-15 feet

15-20 feet

Note 1

when over 25 feet of p

except 140

MBH,

clears the lip on the front

observed.

radi u s

are mandatory

bng

elbows

elbows in the combustion

elbows in the vent piping.

of the same

fee t

2G-25

25-30 feet

30·35 feet

Note 1

No te 1

Note 1

ing i s required. On

140

MBH

elbows,

Note 1

�Note 1

Note 1

30'Max

30'Max.