5.
Commissioning
Installation, commissioning and mainte-
nance of the warm air heater should only be
performed by qualified technical engineer.
Please contact your supplier for help finding
your nearest service centre.
WARNING
The commissioning engineer must go
through the following with the operator.
• Lighting, shut-down, and operational
information.
• Safety features, data plate, and labelling.
• The requirement for regular inspection -
especially if the heater is within a more
demanding environment - and the need for
regular servicing, carried out by competent
and qualified engineers.
CAUTION
After approximately one hundred hours
of running, the tension on the fan belts
must be checked to ensure that it is correct,
and that the belts have not stretched. It is
strongly advised that this is undertaken
by the commissioning engineer, and not
the operator.
5.1 Servicing
WARNING
Servicing must be carried out on a regular
basis, the maximum interval between
services being one year.
It is a requirement that only suitably quali-
fied and competent persons are allowed to
undertake the servicing.
Further details are available from either
the commissioning engineer or from the
manufacturer.
5.2 Start-up procedure
• Enable burner via controller by selecting
‘Heat’ (Relay 2); ‘Heat On’; ‘Heat/Auto’.
(This is dependent on control type
supplied. Refer to individual controller
operating manual).
• Burner will fire and establish within 60
seconds.
• As temperature of heater increases, fan will
operate.
5.3 Stop procedure
• Disable burner by selecting ‘Heat OFF’;
‘Standby’.*
• (*Dependent on control type supplied.
Refer to individual controller operating
manual.)
• The burner will turn off.
• The fan will continue to run until heat
dissipation allows the fan and limit stat to
shut down the fan.
CAUTION
Do not use the main electrical isolator to
turn off the heater, to do so can cause
damage to the heat exchanger and combus-
tion chamber and thereby invalidate the
warranty.
5.4 Shut down procedure
Perform the steps in the stop procedure, then
when main fan stops, turn main electrical
isolator off, isolate fuel supply.
Ventilation only
• Enable fan on via controller by selecting
‘Fan only’; ‘Vent only’; ‘Vent/Manual’.*
(*dependent on control type supplied.
Refer to individual controller operating
manual.)
• Fan will operate without the burner for the
set period of the controller.
Lockout situations
If either the burner or the fan and limit stat
go to lockout, the lockout must be cleared
manually before the ignition sequence can
be re-initiated.
CAUTION
Repeated or frequent lockouts must be
investigated and their cause determined
by a qualified and competent engineer.
27
