CLEAN BURN CB-1800 Manuel de l'opérateur télécharger pdf (Page 84)

Operator's Manual: Models CB-3500 & CB-5000

8-6

Installing the Make-up Air Louver

All louvers and grills, regardless of the material from which they are made, must be FIXED in the OPEN position

OR be interlocked with the appliance so that they will open automatically during the operation of the appliance.

The interlock must be placed on the driven member.

NOTE: It is very important to follow these instructions carefully to ensure proper performance of the louver.

1. The louver must not be close to the furnace. The fresh air should travel at least 40 to 50 feet before

reaching the furnace, so the air warms up. The furnace will not heat well if it is receiving cold return air.

2. The louver must be high in the sidewall of the building so the cold fresh air does not blow across the

oor level and chill the service personnel.

3. The louver should be installed in the opposite wall from the location of the exhaust fan. This

will quickly vent diesel exhaust from the top of the building and reduce the amount of run time

for the exhaust fan.

Installing a Make-up Air Louver (continued)

Calculated Opening Size

(square feet)

Required Louver/Grill Size

(inches)

From 0.000 to 0.569 10 X 10

From 0.570 to 0.900 12 X 12

From 0.901 to 1.556 16 X 16

From 1.557 to 2.070 18 X 18

From 2.071 to 2.574 20 X 20

From 2.575 to 3.408 24 X 24

From 3.409 to 5.133 30 X 30

From 5.134 to 7.696 36 X 36

From 7.697 to 9.883 42 X 42

From 9.884 to 13.299 48 X 48

From 13.300 to 16.683 54 X 54

From 16.684 to 21.152 60 X 60

C77004

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CLEAN BURN CB-1800 Manuel de l'opérateur Page 84