Form 44201129
Oct 2019 rev A
15
13.0)
OPERATING INSTRUCTIONS
1.
Ensure that the Control Box door is closed and secured with the two toggle latches.
2.
The heater will not operate with the door open.
3.
Turn on the gas supply to the appliance.
4.
Set any time switches or thermostats to demand heat.
5.
Switch on the electricity supply to the appliance. The red neon indicator and amber neon indicator will be
illuminated.
6.
The burner should ignite within 20 seconds. Both red and amber neon indicators will remain illuminated.
7.
Failure to ignite will result in the ignition controller going to "lockout" condition. The red neon indicator will
remain illuminated. The amber neon indicator will be extinguished.
8.
If lockout occurs, switch off the electricity supply to the zone or system fan, wait for 10 seconds before
switching on the electricity supply to the zone or system fan to repeat the ignition sequence. It is not possible
to re-ignite individual appliances. In systems with more than one zone, only the fan isolator for the particular
zone should be switched off; not the system isolator.
9.
If the appliance fails to ignite after a second sequence switch off the electrical supply to the appliance and
call the service engineer.
10.
If gas failure occurs after successful ignition the appliance will attempt one re-ignition before going to lockout
condition.
11.
To shut down the appliance for short periods of time, switch off the electricity supply to the appliance.
12.
To shut down the appliance for longer periods of time, switch of the electricity supply to the appliance and
turn off the gas supply at the gas isolation valve.
Содержание ADL25-HB
Страница 17: ...Form 44201129 Oct 2019 rev A NOTES...
