Sunpak® Infrared Heaters
14
Basic TSH Trouble Shooting
Problem
Possible Causes
How to Fix
References
No Spark to pilot
No blue indicator light on switch
•
Verify power to switch
•
Replace Switch
No power to the heater
•
Switch is On
•
Verify wiring is properly connected to the heater module
Electrical – Page 8
Basic Wiring – Page 10
Sparks, but does
not ignite burner
No Gas to Heater
•
Allow time for air to bleed from gas line on new installations
•
Turn on manual gas valve
•
Clean burner orifice
Gas Piping – Page 8
Regular Service & Maintenance – Page 9
Heater lights, but
turns off
Low Voltage
•
Make sure you have 24 VAC to heater
Loose or broken ground wire
inside control compartment
•
Secure ground wire to heater body
Control System – Page 11
Pilot Electrode
•
Adjust pilot electrodes 3/16 from pilot hood.
•
Replace TSH Control Module
•
Replace Pilot Electrode Assembly
Sunpak Pilot – Page 9
Control Components – Page 11
Not Enough Heat
Low Gas Pressure
•
Verify required gas pressure to heater
Gas Supply – Page 7
Gas Piping – Page 8
Lack of Fresh Air to Heater
•
Adjust tip angle to less than 30 degrees
•
Add ventilation to patio above and below heater
Ventilation – Page 9
Dirty Orifice
•
Clean orifice
Regular Service & Maintenance – Page 9.
Dirty Burner
•
Use bottle brush to clear any cobwebs or debris from mixer tube of burner.
•
Use compressed air (under 30 psi) to blow through ceramic (eye protection
required)
Poor Heater Coverage
•
Review Heater Layout and Design
Heater Layout & Design – Page 4
Deterioration of
Front Grill
Tip Angle over 30 degrees
•
Adjust Tip Angle to less than 30 Degrees
Incorrect Mounting – Page 13
Wind hitting heater from below
•
Set up wind break to prevent strong breeze from hitting infrared burner face
directly. Any wind break must not interfere with the safe operation of the
heater.
•
Heater must always be operated in an equal pressure environment
Heater Layout & Design – Page 4
Burner Noise
Dirty Orifice
•
Clean orifice thoroughly or replace if necessary
Regular Service & Maintenance – Page 9
Dirty Burner
•
Use bottle brush to clean mixer tube of burner
•
Use compressed air to clean ceramic burner ports (max 30 PSI) - eye
protection required.
Cracked Ceramics
•
Replace infrared burner
