UHD L
OW
P
ROFILE
D
UCT
F
URNACE
I
NSTALLATION
O
PERATION AND
S
ERVICE
M
ANUAL
18 of 45
SECTION 8: AIR SUPPLY
8.1 Separated Combustion Installation
When installed as a separated combustion heater
(UHD[X]S), the air for combustion is drawn in from
outside the building.
8.2 Building Ventilation
Where ventilation is required, air must be taken from
an outside point where it is not likely to be
contaminated or obstructed.
8.3 Outside Combustion Air Supply
If outside combustion air supply is required,
separated combustion model (UHD[X]S) heaters
must be used.
Caution:
If the building has a slight negative
pressure or corrosive contaminants such as
halogenated hydrocarbons are present in the air, an
outside combustion air supply to the heater is
required. Seal all combustion air pipe joints.
The outside air terminal must not be more than 1'
(31 cm) above the vent terminal.
8.3.1 Length Requirements
Follow the constraints listed
.
WARNING
Explosion Hazard
Equipment must have access to
uncontaminated air at all times.
Failure to follow these instructions can result
in death, injury or property damage.
Содержание UHDS 100
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