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Getting Started
IMPORTANT: Proper initial installation of equipment
will assure more satisfactory performance, longer
service life and lower maintenance cost.
The pressure washer should be run on a level surface and
in a protected area where it is not readily influenced by
outside sources such as strong winds, freezing tempera-
tures, rain, etc. The pressure washer should be located to
assure easy access for filling of fluids, adjustments and
maintenance. Normal precautions should be taken by the
operator to prevent moisture from reaching the pressure
washer. It is recommended that a partition be made be-
tween the wash area and the pressure washer to prevent
direct spray from the wand coming in contact with the pres-
sure washer. Moisture reaching the equipment will reduce
the pressure washer's service life. All installations should
comply with the local codes covering such installations.
Venting
WARNING - RISK OF EXPLOSION: Do not spray flam-
mable liquids or operate machine in areas where flam-
mable vapors are present. Operate only where open
flame or torch is permitted.
CAUTION - RISK OF ASPHYXIATION: Do not run
machine indoors or in an enclosed area without the
required venting, as exhaust fumes may be hazard-
ous to your health.
CAUTION: Some gases are heavier than air and will
spill out on the floor in the 2 to 3 minutes required for
the safety pilot valve to close off gas supply. There-
fore, always provide adequate space and ventilation
around these units.
IMPORTANT: A draft diverter shall be installed.
INSTALLER UNE HOTTE DE TIRAGE.
IMPORTANT: All venting must be in accordance with
applicable federal and state laws, and local ordi-
nances. Consult local heating contractors.
IMPORTANT: Not suitable for connection to Type B
gas vent if the stack temperature exceeds 243°C
(470°).
If the pressure washer is to be used in an enclosed
area, a flue must be installed to vent burner exhaust to
the outside atmosphere. Exhaust gases should not be
vented into a wall, a ceiling, or into a concealed space
in a building. Be sure the flue is the same size as the
burner exhaust vent on the pressure washer. Poor draft
will cause the pressure washer to soot and not operate
properly. When selecting the location for installation,
beware of poorly ventilated locations or areas where
exhaust fans may cause an insufficient supply of oxy-
gen. Proper combustion can only be obtained when there
is a sufficient supply of oxygen available for the amount
of fuel being burned. If it is necessary to install the
machine in a poorly ventilated area, outside fresh air
INSTALLATION INSTRUCTIONS
97-6574 • HOTSY 900-1400 GAS FIRED • REV. 10/05
may have to be piped to the burner and a fan installed
to bring sufficient air into the machine. Locate the pres-
sure washer so that the flue will be as straight as pos-
sible and protrude through the roof at a proper height
and location to provide adequate draft. This gas fired
pressure washer must have a draft diverter installed in
the flue. A draft diverter will permit proper upward flow
of exhaust flue gases.
Water Supply
Connect water supply hose to water inlet. The water
faucet and supply hose must be capable of providing a
minimum of 6.0 gallons per minute (GPM).
Fuel Supply
CAUTION: Have a qualified gas serviceman install
and service your equipment.
WARNING: Gas line supply pressure must not ex-
ceed 14 water column inches (.50 PSI).
IMPORTANT: Gas line must be provided with a shut
off valve.
IMPORTANT: The gas supply must be able to sup-
ply a minimum of 525,000 BTU/HR at the machines
rated manifold pressure.
Consult building codes for installation requirements.
For proper and safe machine operation, we recommend
that a licensed contractor be consulted for machine
installation.
Natural Gas Fuel
Have a qualified gas serviceman install the natural gas
fuel supply line to the machine.
On/Off
Switch
Line to
Pilot Light
Inlet View
Manifold
Pressure
Adjustment
Screw Under
Cap
Outlet View
11
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