Clearances and accessibility – Adams Condensing Oil-Fired Furnace User Manual

Page 6

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Follow the instructions listed below when

selecting a furnace location.

Refer also to the guidelines provided in

Section V. Combustion and Ventilation

Air Requirements.

о Centrally locate the furnace with

respect to the proposed or existing

air distribution system.

о Ensure the temperature of the return

air entering the furnace is between

55 F and 90 F when the furnace is

heating.

о Provide provisions for venting

combustion products outdoors

through a proper venting system.

Special consideration should be

given to ventfflue pipe routing and

combustion air intake pipe when

applicable. Refer to Section IX,

Vent/Flue Pipe and Combustion Air

Pipe Termination Locations for

appropriate termination locations

and to determine if the piping

system from furnace to termination

can be accomplished within the

guidelines given.

о

NOTE:

The length of flue and/or

cc^bustion air piping can be a

limiting factor in the location of the

furnace.

о Locate the furnace so condensate

flows downwards to the drain. Do

not locate the furnace or its

condensate drainage system in any

area subject to below freezing

temperatures without proper freeze

protection. Refer to Section X.

Condensate Drain Lines and Trap

for further details.

о Ensure adequate combustion air is

available for the furnace. Improper

or insuffícient combustion air can

expose building occupants to

combustion products that could

include carbon monoxide. Refer to

Section V., Combustion and

Ventilation Air Requirements.

о Set the furnace on a level floor to

enable proper condensate drainage.

If the floor becomes wet or damp at

times, place the furnace above the

floor on a concrete base sized

approximately 1-1/2 times larger
than the base of the furnace.

Exposure to contaminated combustion air

will result in safety and performance related

problems. Do not install the furnace where

the combustion air is exposed to the

following substances;

Chlorinated waxes or deaners

Chlorine-based swimming pool chemicals

Water softening chem icals

Deicing salts or chemicals

Carbon tetrachloride

Halogen type refrigerants

Cleaning solutions (such as

perchloroethylene

Printing inks

Paint removers

Vanishes

Hydrochloric acid

Cements and glues

Antistatic fabric softeners for clothes

dryers.

Masonry acid washing materials

o Seal off a non-direct vent furnace if

it is installed near an area

frequently contaminated by any of

the above substances. This

protects the non-direct vent

furnace from airborne
contaminants. To ensure that the

enclosed non-direct vent furnace

has an adequate supply of

combustion air, vent from a nearby

uncontamjnated room or from

outdoors. Refer to the Section V.
combustion and Ventilation Air

Requirements for details.

o If the furnace is used in connection

with a cooling unit, install the

furnace upstream or in parallel with

a cooling unit. Premature heat

exchanger failure wilt result if the

cooling unit is placed ahead of the

furnace.

o If the furnace is installed in a

residential garage, position the

furnace so that the burner and

ignition source are located not less

than 18 inches (457 mm) above

the floor. Protect the furnace from

physical damage by vehides.

Clearances and Accessibility

Installations must adhere to the

clearances to combustible materials to
which this furnace has been design

certified. The minimum clearance

information for this furnace is provided

on the units rating label.

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