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22
107570
UNVENTED PROPANE/LP GAS FIREPLACE
For more information, visit www.desatech.com
Locate the blower switch by opening lower
louver on fireplace. Blower switch is lo-
cated at lower right inside louver door.
The GA3650TA Series thermostat-con-
trolled blower has a variable speed con-
trol with an ON/OFF switch. The blower
will start when the thermostat senses a
sufficient increase in firebox temperature.
The GA3750 Series variable speed blower
also has an ON/OFF switch built into the
variable speed control.
Note for GA3650TA Series Only:
If
you are using GA3650TA blower, your
fireplace and blower will not turn on and
off at the same time. The fireplace may
run for several minutes before the blower
turns on. After the heater modulates to
the pilot position, the blower will con-
tinue to run. The blower will shut off after
the firebox temperature decreases.
Note:
It is safe to operate fireplace with
blower turned off. However, the blower helps
distribute heated air from the fireplace.
Follow installation instructions included
with the blower accessory.
OPTIONAL BLOWER
OPERATION
TO TURN OFF GAS
TO APPLIANCE
Shutting Off Heater When
Manually Lit
Set manual ignition bypass switch on con-
trol panel to OFF (automatic ignition
position). This will cause the controls to
shut down the fireplace.
ON
OFF
HI
LO
MANUAL
IGNITION
MANUAL LIGHTING
INSTRUCTIONS
FOR ELECTRICAL
POWER OUTAGE
WARNING: You must operate
this heater with the fireplace
screen in place. Make sure fire-
place screen is in place before
running heater.
NOTICE: During initial operation
of new heater, burning logs will
give off a paper-burning smell.
Open damper or window to vent
smell. This will only last a few
hours.
Because this fireplace has an electronic
ignition system, in the event there is a loss
of power, it will be necessary to manually
light the pilot with the piezo ignitor. After
the pilot is lit, the main burner will light
automatically.
1. Follow steps 1 through 3 under Nor-
mal Lighting Instructions, page 21.
2. Set manual ignition bypass switch on
control panel to ON position (manual
ignition position). See Figure 52.
3. The pilot is attached to the rear of
the front burner. You will be able to
see the pilot and spark electrode
without removing the screen or logs.
4. Place the magnetic manual override
handle, provided with this unit, on
the end of the gas valve stem (see Fig-
ure 51).
5. Turn the override handle fully coun-
terclockwise to the PILOT po-
sition. The handle will not stop but
will begin to slip when you have fully
turned to the PILOT position.
6. While holding the valve handle in the
PILOT position, press and release
piezo ignitor button (see Figure 52).
This will light the pilot. If needed,
keep pressing ignitor button until pi-
lot lights.
7. When pilot flame is lit, hold manual
override handle until thermocouple
heats (approximately 5 to 15 sec-
onds). If pilot goes out, repeat pro-
cess. If several attempts to light the
pilot fail, contact a qualified service
person or gas supplier for repairs.
Figure 52 - Control Locations
Manual Ignition
Bypass Switch
(Down is ON)
Magnetic
Manual Override
Handle
ON/OFF
Button
HI/LO
Button
Piezo
Ignitor
Wall
Switch
Gas
Valve
LED
LED
OPERATING
FIREPLACE
Continued
TO TURN OFF GAS
TO APPLIANCE
Shutting Off Heater - Wall
Switch
Push ON/OFF button on wall switch once.
Shutting Off Heater - Wireless
Remote Control
Point remote control toward lower front
of fireplace and push both buttons at the
same time.
4. When pilot flame is lit, the thermo-
couple is heated by the flame. When
thermocouple becomes hot (5 to 15
seconds), main burner will automati-
cally light on high flame.
5. To lower flame, point remote control
toward lower front of fireplace and
push HI/LO button once.
Note:
This fireplace does not have a
pilot-only mode.
8. When thermocouple is heated, re-
lease override handle. The main
burner will immediately light on high
flame. Adjust flame size by turning
override handle.