7
HL2
Series
Radiant
Tube(s)
Primary Combustion
Chamber
16” Burner Tube
Yellow Titanium Alloy Tag
(150,000 BTU/H models and greater)
HEATER IS EQUIPPED WITH AN HL-RB (RELAY BOARD)
REQUIRED FOR GROUPING MULTIPLE HEATES ON ONE
THERMOSTAT. HEATERS MUST BE WIRED ACCORDING TO
INSTALLATION INSTRUCTIONS
LED STATUS
FAULT
One flash on .........Normal opertion
120V pwr up.
No flash on ..........24 volt transformer
120V pwr up.
Steady on ................Module
1 Flash ....................Ignition
2 Flash ...................Burner Ignition
3 Flash ...................Exhaust Switch
4 Flash ................Gas valve/flame rect.
LED STATUS
FAULT
One flash on .........Normal opertion
120V pwr up.
No flash on ..........24 volt transformer
120V pwr up.
Steady on ................Module
1 Flash ....................Ignition
2 Flash ...................Burner Ignition
3 Flash ...................Exhaust Switch
4 Flash ................Gas valve/flame rect.
HEATER IS EQUIPPED WITH AN HL-RB (RELAY BOARD)
REQUIRED FOR GROUPING MULTIPLE HEATES ON ONE
THERMOSTAT. HEATERS MUST BE WIRED ACCORDING TO
INSTALLATION INSTRUCTIONS
HIGH
FIRE
H
L
LOW
FIRE
F/N: LLV3EP2
Orange Crescent
(This label is on
models with a
relay board
installed only).
F/N: LLV3EP4
White Crescent
Left Panel
(Fan Compartment)
F/N: LLV2EP9
24V
LOW
24V OUT
HIGH
- 24V HEATER OUTPUT -
(This label is located on models with a relay board installed only).
1.0
Introduction
•
Safety Signs and Labels