Unit Heater Installation, Commissioning, Operation and Service Manual
33
34
Combat Elite Unit Heater EL231117 Orig
Start
Are gas and electrical
supplies on?
Is the red lockout
warning light on
With external controls on,
does the burner continue
to fire?
Heater Operating
TROUBLESHOOT ENDS
Check the thermostat reset
Is distribution air fan
operating?
If problems persist, contact
Combat HVAC Limited at
tel: +44(0)121 506 7709
Use 16.2 to test the burner
Check for mis-wiring
Check time delay relay. is
there 230 V across brown
and blue wires
Turn on supplies
Change time delay relay
Yes
Yes
Yes
No
Yes
No
No
No
Yes
No
16.1 General Troubleshooting
SECTION 16
Summary of Contents for ELU 100
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Page 45: ...40 Combat Elite Unit Heater EL231117 Orig 17 2 1 Burner Assembly...