1701ULSA(EC)--EN, p. 28/30
At the end of a heating cycle the burner is switched off, the air circulation fan will continue to run
untilth eairheater hasc ooledtoa safeleve l.Thereafter thefa nwill remain offuntil thenext cycleis
initiated.
Safety:
1. Flamefailure isdetected bythe ionisation
probe whichisthe sensorand willimmediately resultin
gasva lveshutdown.
2. Safety against overheatin gis assured by two overheat controls. The first is an automatic resetting
controlwh ichprotectsagainst lowair flowi.e. clogged airways, fanfailu reetc.The second,which
issetto
ahig herle veltha nthefirst,is acontrol whichlocksoutandswitches offtheburnerin the
event of gross overheating for any reason. Manual intervention is necessary to reset this control
device.Resettingoftheau tomaticburnercontrolmayalsoberequired.
3. The location of the air
heater shou ld be maintaine d at normal atmospheric pressure. Changes to
the building after air heater in stallation, should have regard to the heating inst allation, i.e.
structural changes causing excessive draughts from doors, wi ndows etc. Other air handlers and
installation of air ext raction equipment which may cause a negative pressure environment, can
seriouslyaffe ctthe ope rationofthisty peofairheater,especiallyifcombustion airsupplyis taken
fromwithinthebuilding.
Tolighttheheater:
1. Turnonthegassupplytotheairheater.
2. Switchontheelectricitysupplytotheairheater.
3. Ensuretimeswitch(if
fitted)issettoan'ON'cycle.
4. Adjustcontrol/roomthermostattodesiredtemperature.
5. Airheaterwilllightautomaticallywhentheroo mthermostatcallsforheatafterabout30sec.
6. Iftheappliancedoesnotlight:
a) check that the burner control does not require resetting. An indicator
light glows in the
appliance and on a remote control if fitted. Reset by pushing reset/button inside the appliance or
theremotecontrol.
b)checkifthermaloverheatcontrolrequiresresettin g
7 If the thermal overheat control requires resetting and doing so restarts the air heater, wait unti l
the appliance
warms to therma l equilibrium, to ensure the overheat control does not lock out
again. If it does and the temperature near the heater is less than 30°C, then switch off the
appliance and call for service. If the temperature is over 30°C, take appropriate action to reduce
theambienttemperaturenear
theairheater.
Aircirculation:
1. The space heating process is for air to be circulated through the appliance whereby it gains heat
from a heat exchanger. The air is directly discharged into the space to be heated. The air is
eventuallyrecirculated.Thereforeitisveryimportantthatan
unobstructedpathforthecirculation
of the air will be maintained. This is particularly important if the air heater has been installed to
blowth roughthewa llbetweentworooms.
2. Sometimes the air circulation fan of the appliance is connected to a remote over‐ride switch. This
enables air
to be used for circulation purposes when the air heater is not used for heating
purposese.g.insummer.
Tousethisfeature:
a)sw itchONelectr icity
b) switch ON manual override switch, this may be fitted as a feature on a remote composite
control.
c)Correctadjustmentof
GA&&(seeseparateoptioninstruction952)
Maintenance:
1. Maintenance and service must only be carried out by appropriately qualified persons e.g. "Gas
safe"registeredperson.
2. It is in your interest to ensure proper ser vice and maintenance is carried out at a regular basis.
Periodsbet weenservices aredependent upon
the localenvir onmentwhere theheater is installed.
Allgasappliancesshouldbeservicedatleastonceayear.
3. In case of any damage to the appliance, it must be shutdown completely and checked by an
appropriatelyqualif iedperson.
4. In the event of difficulties in resolving any of
these matters, please do not hesitate to contact
Reznorortheiroffic ialdistributor.
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