wallas PI User manual

P I T H E R M O C O N T R O L P A N E L
GUIDE FOR OPERATION
G B S e r i e s H e a t e r s
Please Refer to Manual for Full Operation and Maintenance Instructions at wallas.com
Switch between modes by turning the
Temperature/Power Knob back and forth
to min - max - min quickly.
Press the Heat Button for 3 seconds
until the yellow power light appears. When
you release the button, the yellow heating
light will appear.
IGNITION
TEMPERATURE/POWER SETTING
PI Thermo Mode: Set a target temperature (C°/F°)
Manual Mode: Control heating power with knob
Red combustion light will light up when
the burner flame has been ignited and the
combustion has stabilised (approx. in 5
min). Heater will be fully operational
approx. 10 min later.
When the PI Thermo Mode is chosen,
the orange thermostat light is on.
In Manual Mode, the light is off.
Rotate the Temperature/Power Knob to the
desired temperature (refer to temperature
chart on the right) or heating power.
Press the Ventilation Button down for 2
seconds until the green ventilation light
comes on.
VENTILATION MODE
Ventilation Mode blows fresh air without heating. If
the Ventilation Mode is activated when heating is in
process, the heater will cool off first, stop and then
start ventilation.
Choose the desired blower speed using the
Power Knob.
To switch back to heating, press the Heat
Button for 2 seconds until the yellow
heating light appears.
Air Boost doubles the air volume for quick defrosting
and drying, but does not change the set temperature.
Use it either in Manual or PI Thermo Control Mode.
AIR BOOST
While heating, press the Ventilation button
briefly (less than 1 sec) once to activate Air
Boost. Green ventilation light will come on.
To reach the maximum boost level, press
the Ventilation button again briefly.
When it is pressed for the 3rd time, air
volume will be restored back to normal and
the green ventilation light turns off.
Combustion indicator
Temperature / Power knob
Heat button
Power indicator
Thermostat indicator
Thermostat sensor
Ventilation button
Ventilation indicator
Heating indicator
1.
2.
3.
4.
5.
6.
7.
8.
9.
All rights reserved. Wallas-Marin reserves the right to change or improve its products and to make changes in the content of this
guide without obligation to notify any person or organization of such changes or improvements. Go to www.wallas.com for
current updates and supplemental information concerning the use of this product.

SUN SWITCH (IN PI THERMO MODE)
Orange thermostat light will begin to
flash every 30 seconds.
Sun Switch automatically turns the heater off if the
temperature remains +3 C (37 F) above the set level for
1/2 hour due to temperature increase in weather.
Rotate the Temperature/Power Knob
slightly to turn the Sun Switch off
temporarily.
If heating is still needed, turn the device
back on manually.
Red combustion light will begin to
flash for about 5 minutes, while
the heater is cooling down.
SHUTDOWN
Press the Heat Button down for 2 seconds.
Yellow heating light will shut off
immediately.
Heater cannot be restarted until the cool down has
completed. The heating mode that was used last upon
shutdown will be the same mode when the heater is
turned on again.
see
ignition
Reach Out to a Professional for the Following:
Glow Failure
Combustion Air Blower Fault
Main Blower Fault
2 s 2 s
2 s2 s
2 s
Set temperature is higher than the
cabin temperature - power is increasing
Set temperature is lower than the cabin
temperature - power is decreasing
30 s
30 s
Heating on
Combustion has begun/is running
Low voltage (usually about 15 sec
after initiating start)
Ventilation on
Sun Switch has shut down the device
Cooldown/Flameout
Overheat
Locked for security
The device locks itself
after two unsuccessful starts.
Reminder indicating there was a fault
after fault code flashed for 5 min
Air Boost on
30 s
30 s
10 s 10 s In Remote Control Mode
HEATER LIGHTS
See instructional video
to unlock
If the unit has locked itself,
all three lights at the top of
the panel will flash,
signaling there has been a
failure that should be
investigated and resolved
prior to further use. Lights
will flash for about 5 min.
1) While the lights are still
flashing, switch the main
power off from the battery
(Pull power plug, remove
the fuse, open breakers, or
in-line switch).
2) Wait for 5 sec. and
switch the main power
back on.
3) Press Heat Button (3) for
more than 3 seconds to
shut down the heater.
4) Restart the heater
normally.
UNLOCKING THE
UNIT
GB heaters can be controlled remotely with a Wallas
Remote Control 4430 accessory, which is available for
purchase separately. Remote Control deactivates the Sun
Switch. Not available in the US.
REMOTE CONTROL