Installation guide

FAULT FINDING SECTION 8
43
FAULT ACTION
Check burner primary air shutter settings are correct to
dimensions given below. If not reset to dimensions given below.
If the whistling persists continue to reduce the settings until the
whistling stops.
Heater Model Air Shutter Dimension A in mm
L32/143 8
L65/169 5
L81/251 10
L62/309 8
L54/399 8
LOUD WHISTLING
NOISE
A
BURNER
LOCKING PIN
INJECTOR
AIR SHUTTER
PERMANENT
PILOT MODELS
HI-FLO RANGES