Ventilation, Installation, Operation – Desa 100 User Manual
Page 4
103386-01G
4
For more information, visit www.desatech.com
For more information, visit www.desatech.com
VENTILATION
FRESH OUTSIDE AIR OPENING REQUIREMENTS
HEATER SIZE
SQ. FT. OPENING
200,000 Btu/Hr
6.0
WARNING: Provide at least a 6 square foot open-
ing of fresh, outside air while running heater. If proper
fresh, outside air ventilation is not provided, carbon
monoxide poisoning can occur. Provide proper fresh,
outside air ventilation before running heater.
INSTALLATION
1.
Provide propane supply system (see Propane Supply, page 3).
2.
Connect fuel gas fitting on hose/regulator assembly to pro-
pane tank(s). Turn fuel gas fitting counterclockwise into threads
on tank. Tighten firmly using a wrench.
IMPORTANT:
Tighten
regulator with vent pointing down. Pointing vent down pro-
tects regulator from weather damage.
3.
Connect hose to the valve inlet. Tighten firmly using a wrench.
You must use the regulator supplied with heater even if pro-
pane tank has one.
4.
Open propane supply valve on propane tank(s) slowly.
Note:
If not opened slowly, excess-flow check valve on propane tank
may stop gas flow. If this happens, you may hear a click inside
the regulator assembly, this is the check valve closing. To re-
set the excess-flow check valve, close propane supply valve
and open it again slowly.
5.
Check all connections for leaks. Apply mixture of liquid soap
and water to gas joints. Bubbles forming show a leak that must
be corrected.
6.
Close propane supply valve.
WARNING: Test all gas piping and connections
for leaks after installation or servicing. Never use an
open flame to check for a leak. Apply a mixture of
liquid soap and water to all joints. Bubbles forming
show a leak. Correct all leaks at once.
WARNING: Review and understand the warnings
in the
Safety Information section, pages 2 and 3. They
are needed to safely operate this heater. Follow all
local codes when using this heater.
Figure 3 - Hose and Valve Inlet
Figure 2 - Regulator With Vent Pointing Down
Propane Tank
Propane
Supply Valve
Fuel Gas
Fitting
Hose
Regulator
Vent
(pointing down)
AT
PUSH
TO START
LO
HI
Hose
Valve Inlet
WARNING: Review and understand the warnings
in the
Safety Information section on pages 2 and 3.
They are needed to safely operate this heater. Follow
all local codes when using this heater.
OPERATION
TO START HEATER
1.
Follow all installation, ventilation, and safety information.
2.
Locate heater on stable and level surface. Make sure strong
drafts do not blow on heater.
3.
Open propane supply valve on propane tank(s) slowly.
Note:
If not opened slowly, excess-flow check valve on propane tank
may stop gas flow. If this happens, you may hear a click inside
the regulator assembly, this is the check valve closing. To re-
set the excess-flow check valve, close propane supply valve
and open it again slowly.
4.
Turn control knob clockwise to the lowest position and push
in (see Figure 4, page 5).
5.
With the control knob pushed all the way in, press and release
the piezo ignitor button (see Figure 4, page 5). Keep pressing
piezo ignitor button until the burner lights. Hold control knob
down for a maximum of 10 seconds while attempting ignition.
If heater does not ignite, release control knob and wait 3 min-
utes before attempting reignition.
Note:
Keep hands and face away from outlet (around top of shell)
of heater while attempting to start heater.
VENTILATION
INSTALLATION
OPERATION
To Start Heater