Desa RLP155AT - Manual (Page 6)

www.desatech.com 113855-01A 6
Piezo
Ignitor
Automatic Control
Valve Button
OPERATION
Continued
Figure 5 - Automatic Control Valve
Button and Piezo Ignitor
WARNING: Be sure motor and
fan are running before pushing in
automatic control valve button.
Flames could flash outside heater
if motor and fan are not running.
6. Push in and hold automatic control valve but-
ton (see Figure 5). Push piezo ignitor button
(see Figure 5). Keep pushing ignitor button
until the burner lights. When burner lights,
keep automatic control valve button pushed in.
Release button after 30 seconds. This activates
the automatic control system.
Note: If heater fails to ignite, hose may have
air in it. If so, keep automatic control valve
button pressed and wait 20 seconds. Release
automatic control valve button and wait 20
seconds for unburned fuel to exit heater.
Repeat this step.
NOTICE: If heater is unplugged
or power outage occurs while
heater is running, the thermal
limit device will stop fuel flow.
A few seconds occur before the
thermal limit device activates.
During this short time, flames
may appear outside the heater.
This is normal. The flames will
go out when thermal limit device
activates.
TO STOP HEATER
1. Tightly close propane supply valve on propane
tank(s).
2. Wait a few seconds. Heater will burn gas left
in supply hose.
3. Unplug heater.
TO RESTART HEATER
1. Wait five minutes after stopping heater.
2. Repeat steps under To Start Heater, page 5.
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 Han-
dling of Liquefied Petroleum Gases, ANSI/
NFPA 58. Fo llow all local 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 inside heater
combustion chamber.
4. When taking heater out of storage, always
check inside of heater. Insects and small
animals may place foreign objects in heater.
Remove motor and other internal parts if
needed to remove foreign objects (see Service
Procedures, page 7).