Supplied By www.heating spares.co Tel. 0161 620 6677
10
www.glow-worm.co.uk
Central Heating knob (left one):
position - “Winter” to activate the boiler for heating and hot
water production; the scale determines the central heating
temperature (35 - 78°C);
position - “Summer” for hot water production only;
position - “Stand-by - Reset” to stand-by the boiler (frost
protection still active) and to reset eventual safety lock-out.
Hot Water knob (right one):
scale determines the hot water temperature (30 - 55°C).
Positions and are reserved to the Technician, so don’t
turn the knob on these position to avoid unpredictable behaviour
or malfuncions.
Boiler Operation - User Controls
Indicators
Boiler lockout indicator
OFF: no problems occoured.
ON: safety lockout. To reset the boiler, turn the left knob on
(reset) position, wait one minute to cool down the boiler, and then
turn it on previous operating position.
Flashing: 1) Hot Water knob on a position reserved to the
Technician; 2) Fault inside the boiler. Call your Installation/
Servicing company or Glow-worm service.
Burner indicator
ON: the flame is present on the burner.
Flashing: Error. Check the Hot Water knob for correct position
and reset the boiler by turning the left knob on (reset) position
for a few seconds.
Diagram 4
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