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23 

 

PROBLEM

 

POSSIBLE CAUSE

 

CORRECTIVE ACTION

 

 

When igniter knob is 
pressed in there is no 
spark at ODS/pilot.

 

 

 

Igniter electrode is 
positioned wrongly. 

 

Cables between switch, 
battery pack, igniter and 
igniter electrode may be 
loose, pinched, wet or 
broken. 

 

Bad igniter 

 

No battery or battery used 
out. 

 

Reposition igniter electrode. 

 

Secure or replace cables 
between switch, battery pack, 
igniter and igniter electrode. 
 
 
 

 

Replace igniter. 

 

Install or replace battery. 

 

 

When igniter knob is 
pressed in there is a 
spark at ODS/pilot but 
no ignition.

 

 

 

Gas supply is turned off or 
equipment shutoff valve is 
closed. 

 

Control knob not fully 
pressed in while pressing 
igniter button. 

 

Air in gas lines when 
installed. 
 

 

ODS/pilot is clogged. 
 

 

Control knob not in PILOT 
position. 

 

External shut off valve on 
gas supply opened too fast 
and blocked appliance 
regulator in heater. 

 

Turn on gas supply or open 
equipment shutoff valve. 
 

 

Fully press in control knob while 
pressing igniter button. 
 

 

Continue holding down control 
knob. Repeat igniting operation 
until air is removed. 

 

Clean ODS/pilot or replace 
ODS/pilot assembly. 

 

Turn control knob to PILOT 
position. 

 

Close external shut off valve 
and re-open slowly. 

 

ODS/pilot lights but 
flame goes out when 
control knob is released.

 

 

 

Both control and igniter 
knobs are not fully pushed 
down. 
 

 

Thermocouples are not 
heated enough.   
 

 

External shutoff valve of gas 
supply is not fully opened. 

 

Thermocouple connections 
are loose or damaged. 

 

Control valve damaged. 

 

Press in both the igniter and pilot 
knobs fully. While holding igniter 
down, set control knob to number 
5. Run heater for 15 minutes.   

 

After ODS/pilot lights, keep both 
knobs depressed for at least 15 
seconds. 

 

Fully open equipment shutoff 
valve. 

 

Secure or replace thermocouple 
connections. 

 

Contact customer service. 

 

Burner(s) does not light 
after ODS/pilot is lit 
stably

 

 

 

Burner orifice is clogged. 
 

 

Burner orifice diameter is too 
small. 

 

Inlet gas pressure is too low. 

 

Clean burner orifice or replace 
burner orifice. 

 

Contact customer service. 
 

 

Contact local gas supplier. 

 

Delayed ignition of 
burner(s).

 

 

Manifold pressure is too low. 

 

Burner orifice is clogged. 

 

Contact local gas supplier. 

 

Clean or replace burner orifice. 

 

Burner backfiring during 
combustion.

 

 

 

Burner orifice is clogged. 
 

 

Burner is damaged. 

 

Gas regulator or/and 
appliance regulator are 
defective. 

 

Clean burner using compressed 
air or replace burner orifice.

 

 

Contact customer service. 

 

Contact customer service. 

 

Slight smoke or odor 
during initial operation.

 

 

Residues from 
manufacturing processes. 

 

 

Problem will dissipate after a few 
hours of operation in high setting.   
Ensure appropriate ventilation 
during this time. 

Summary of Contents for GLDF18T-VF

Page 1: ...some of our most popular products without requiring any adjustments Our product lines consist of vent free gas wall heaters a direct vent gas wall heater line kerosene and propane forced air heaters...

Page 2: ...reen must be in place when the appliance is operating and unless other provisions for combustion air are provided the screen shall have an opening s of introduction of combustion air WARNING Keep the...

Page 3: ...clear and free of debris This will ensure enough air for proper combustion 6 If heater shuts off do not relight until you have provided fresh air from outside If heater keeps shutting off have it ser...

Page 4: ...ff system The ODS pilot shuts off the heater if there is not enough fresh air PULSE IGNITION SYSTEM This heater is equipped with a battery powered electric pulse igniting system No AC power supply req...

Page 5: ...priate for heater location The Air Shutter is pre set for Liquid Propane use If using Natural Gas see Air Shutter section of manual Unit successfully tested o Installed by Company ____________________...

Page 6: ...ompare parts with package contents list and diagram above If any part is missing or damaged do not attempt to assemble install or operate the product Contact customer service for replacement parts Bef...

Page 7: ...roximately one 1 ounce 30 ml of water for every 1 000 BTUs 0 3 KWs of gas input per hour Unvented room heaters are recommended as supplemental heat a room rather than a primary heat source an entire h...

Page 8: ...f the aggregate input rating of all appliances installed in that space Rooms connecting directly with the space in which the appliances are installed through openings not furnished with doors are cons...

Page 9: ...61 000 BTU Hr The space in the prior example is a confined space because the actual BTU hr used is more than the maximum BTU hr the space can support You must provide additional fresh air Your options...

Page 10: ...quired size of ventilation grills or ducts Ventilation Air from Outdoors Provide extra fresh air by using ventilation grills or ducts You must provide two permanent openings one within 12 inches of th...

Page 11: ...er creates warm air currents These currents move heat to wall surfaces next to heater Installing heater next to vinyl or cloth wall coverings or operating heater where impurities such as tobacco smoke...

Page 12: ...tible material other than wood flooring the appliance shall be installed on a metal or wood panel extending the full width and depth of the appliance Installing Damper Clamp Remove all ashes or other...

Page 13: ...e log set is important as it improves the color and appearance of the flame The Air Door is located on the bottom of the log set heater So you will need to flip it over I recommend laying a cloth down...

Page 14: ...lide any further Once done you will tighten the screw on the cylinder then seal the air shutter cover again For more information please visit our website www thermablaster com You can contact us at 87...

Page 15: ...burner holes as this can lead to sooting and an overall drop in the performance of your heater Logs should be placed sequentially from lowest to highest as the numbering indicates There are grooves on...

Page 16: ...supply This heater requires an external regulator not supplied Install the external regulator between the heater and gas supply CAUTION Avoid damage to regulator Hold gas regulator with wrench when co...

Page 17: ...1 Disconnect heater with its appliance main gas valve control valve and equipment shutoff valve from gas supply piping system Pressures in excess of 1 2 PSIG will damage heater regulator 2 Cap off ope...

Page 18: ...WHAT TO DO IF YOU SMELL GAS Open the window or door immediately Do not try to light any appliance Do not touch any electric switch do not use any phone in your building Immediately call your gas supp...

Page 19: ...is should be done slowly in one motion without stopping between positions Knob will only turn if you have a stable pilot light the heater will now operate normally 5 Adjust the Control Knob to your de...

Page 20: ...20 Figure 10 Control Panel Figure 11 Pilot System Figure 12 Pilot Blue Flame...

Page 21: ...bly clean and free of dust and dirt To clean these parts we recommend using compressed air no greater than 30 PSl Your local computer store hardware store or home center may carry compressed air in a...

Page 22: ...your gas supplier call the fire department IMPORTANT Operating heater where impurities in air exist may create odors Cleaning supplies paint paint remover cigarette smoke cements and glues new carpet...

Page 23: ...when control knob is released Both control and igniter knobs are not fully pushed down Thermocouples are not heated enough External shutoff valve of gas supply is not fully opened Thermocouple connec...

Page 24: ...urning vapors from paint hair spray glues etc See IMPORTANT statement Gas leak See Warning Statement Low fuel supply Ventilate room Stop using odor causing products while heater is running Locate and...

Page 25: ...25 ILLUSTRATED PARTS Model GLDF18T VF...

Page 26: ...5 Bottom Strengthen strip No 2 12 NG Nozzle 36 Bottom Strengthen strip No 1 13 Air door washer 37 Air door shield 14 Air door rod 38 Sensor bulb bracket 15 Air door 39 Thermostat elbow 16 Burner 40 Th...

Page 27: ...ce Performed Service Date Please register your product online at www thermablaster com or send in the registration form below to our office at Reecon North America 2515 Liberty Ave Pittsburgh PA 15222...

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