Table of Contents
Advertisement
SECTION 14: OPERATION
DANGER
Electrical Shock Hazard
Disconnect electric
before service.
More than one
disconnect switch may
be required to
disconnect electric from
heater.
Heater must be
connected to a properly
grounded electrical
source.
Failure to follow these instructions can result in death, electric shock, injury or property damage.
Figure 35: Sequence of Operation Chart
NOTE: If the heater operates for more than 24 hours continuously, the ignition module will automatically recycle the
burner to ensure that all safety functions are still in working condition.
14.1 Heater Lockout Indication (Optional)
In case of flame loss during operation of the heater, the
burner control unit goes to lockout mode after three
ignition trials. At this stage a signal or closed relay will
enable the Aira controller, BMS system, etc. to indicate
Explosion Hazard
Turn off gas supply to
heater before service.
WARNING
Burn Hazard
Allow heater to cool
before service.
Tubing may still be hot
after operation.
precisely which heater has failed. This can be done by
two options.
SECTION 14: O
PERATION
Cut/Pinch Hazard
Wear protective gear
during installation,
operation and service.
Edges are sharp.
57 of 73
Advertisement
Table of Contents
