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PROPANE CONSTRUCTION HEATER
OPERATION
WARNING: Review and un-
derstand the warnings in the
Safety Information section, page
2. They are needed to safely op-
erate this heater. Follow all local
codes when using this heater.
TO START HEATER
1. Follow all installation, ventilation, and
safety information.
2. Locate heater on stable and level sur-
face. Make sure strong drafts do not
blow into front or rear of heater.
3. Plug power cord of heater into a three-
prong, grounded extension cord. Exten-
sion cord must be at least 2 m (6 ft).
Extension cord must be UL/CSA listed.
Extension Cord Wire Size
Requirements
Up to 15 m (50 ft), use 18 AWG rated
cord.
16 to 30 m (51 to 100 ft) long, use 16
AWG rated cord.
31 to 60 m (101 to 200 ft) long, use 14
AWG rated cord.
4. Plug extension cord into a 120 volt/60
hertz, 3-hole, grounded outlet. Motor
will start. Fan will turn, forcing air out
front of heater.
5. Open propane supply valve on propane
tank(s) slowly. Note: If not opened
slowly, excess-flow check valve on pro-
pane tank may stop gas flow. If this
happens, close propane supply valve
and open again slowly.
WARNING: Be sure motor and
fan are running before pushing
in automatic control valve but-
ton. Flames could flash outside
heater if motor and fan are not
running.
6. Turn control knob to the low position
and push in (see Figure 8). Hold knob
in and push piezo ignitor button. You
may need to push piezo ignitor button
3-8 times until the main burner lights.
When main burner lights, keep auto-
matic control valve knob pushed in.
Release button after 30 seconds.
Note: If main burner fails to light, hose
may have air in it. If so, keep control
knob pressed and wait 20 seconds. Re-
lease control knob and wait 20 seconds
for unburned fuel to exit heater. Repeat
step 6.
7. If main burner goes out, repeat step 6.
8. When main burner remains lit, rotate
control knob to the desired heat level.
OFF
START/
LOW
MED
HIGH
Figure 8 - Control Knob Positions
Piezo Ignitor
Button
Automatic Control
Valve Knob
Figure 9 - Automatic Control Valve Button
and Piezo Ignitor Button
6
TO STOP HEATER
1.
Tightly close propane supply valve on
propane tank(s). Allow heater to burn
remaining fuel in hose.
2.
Shut off main burner valve. Do this by
turning control knob to the OFF posi-
tion until it stops.
TO RESTART HEATER
1.
Wait five minutes after stopping heater.
2.
Repeat steps under To Start Heater.
STORAGE
CAUTION: Disconnect heater
from propane supply tank(s).
1.
Store propane tank(s) in safe manner.
See Chapter 5 of Standard for Storage
and Handling of Liquefied Petroleum
Gases, ANSI/NFPA 58. Follow all lo-
cal codes. Always store propane tanks
outdoors.
2.
Place plastic cover caps over brass
fittings on inlet connector and hose/
regulator assembly.
3.
Store in dry, clean, and safe place. Do
not store hose/regulator assembly in-
side heater combustion chamber.
4.
When taking heater out of storage, al-
ways check inside of heater. Insects and
small animals may place foreign ob-
jects in heater. Remove motor and other
internal parts if needed to remove for-
eign objects (see Service Procedures,
page 8).
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