Desa NTH100 - Manual (Page 4)

4 104976
PORTABLE FORCED AIR HEATERS
Screw
Wheel
Support
Frame
Wheel
Cap Nut
Nut
Extended
Hub
Front Handle
Axle
Rear
Handle
Air
Inlet
Fuel Tank
Flange
Hot Air
Outlet
ASSEMBLY
(FOR 100,000 AND 150,000
BTU/HR MODELS ONLY)
These models are furnished with wheels and
handles. Wheels, handles, and the mounting
hardware are found in the shipping carton.
Tools Needed
• Medium Phillips Screwdriver
• 3/8" Open or Adjustable Wrench
• Hammer
1. Slide axle through wheel support
frame. Install wheels on axle.
IMPORTANT: When installing wheels,
point extended hub of wheels toward
wheel support frame (see Figure 3).
Figure 3 - Wheel and Handle Assembly, 100/150,000 Btu/Hr Models Only
2. Place cap nuts on axle ends. Gently tap
with hammer to secure.
3. Place heater on wheel support frame.
Make sure air inlet end (rear) of heater
is over wheels. Line up holes on fuel
tank flange with holes on wheel sup-
port frame.
4. Place front handle and rear handle on
top of fuel tank flange. Insert screws
through handles, fuel tank flange, and
wheel support frame. Attach nut finger
tight after each screw is inserted.
5. After all screws are inserted, tighten
nuts firmly.
VENTILATION
WARNING: Follow the mini-
mum fresh, outside air ventilation
requirements. If proper fresh, out-
side air ventilation is not provided,
carbon monoxide poisoning can
occur. Provide proper fresh, out-
side air ventilation before running
heater.
Provide a fresh air opening of at least 2800
square cm (three square feet) for each
100,000 Btu/Hr rating. Provide extra fresh
air if more heaters are being used.
Example: A 150,000 Btu/Hr heater requires
one of the following:
• a two-car garage door (16 feet wide open-
ing) raised 9 cm (3 1 / 2 inches)
• a single-car garage door (9 feet wide
opening) raised 15.25 cm (6 inches)
• two, 76 cm (30 inch) windows raised 31
cm (12 inches)