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INSTRUCTIONS FOR INSTALLATION
Connection of the gas supply
For the different types are the connections as mentioned
below:
• DRU-ART 2, 5, 6, 8, 10 3/8" inner thread
• DRU-ART 3, 4
3/8" outer thread
If the supply pipe enters the appliance through the back
plate, press out the disc in the plate. An approved con-
necting tap with coupling should be used in the supply pipe
(For Belgium this should be B.G.V. approved).The connect-
ing tap with coupling should be fitted outside the casing.
Furthermore:
• Expel all air from the supply pipes/hoses before coupling
to the appliance.
• Do not turn the coupling tap when connecting it to the
gas supply.
• Avoid any pressure on the control tap and pipes.
• Check that all connections are gastight.
Operations
The manufacturer has made the appliance suitable for the
type of gas as indicated on the type identification tag.The
thermostat regulates modulatingly between "full power
setting" and "low power setting" and , when little heat is
required, in two settings, i.e. "low" or "off". In this situation,
the pilot light keeps burning.The "low" setting can only be
checked when the room temperature is higher than
± 15°C (60°F).
The low setting
The low setting has been adjusted to ± 20% of the full
consumption.The low setting screw has been fully tight-
ened and is supplied with the correct low setting bore.
This is not adjustable.
Pilot light burner
Upon delivery, the pilot light burner has the correct con-
sumption by means of a nozzle inside the pilot light burner.
The pilot light burner needs no adjustment.
Putting the casing in its place
From the top, hang the casing over the back sheet, taking
care that the hooks of the casing fit into the notches of
the back sheet and that the operating buttons fit into the
appropriate opening in the casing.
Important
A built-in safety lock is activated when the appliance is
switched to "OFF" (closed down setting).Therefore, wait
5 minutes before relighting the heater.Within this period,
do not try to push the lighting button, as this has been
blocked by the safety lock. Do not force the button, as this
may result in damage to the mechanism.
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