Carrier 50FC Installation, Operation And Maintenance Instructions page 39

12 - FACTORY OPTIONS AND ACCESSORIES
Attention: In compliance with the requirements of the
Gas Directive 90/396 EEC it is strictly prohibited to
alter the burner or the electronic control unit.
■ Fuel
Before starting up the heater, make sure that:
- the gas mains supply data is compatible with the data stated
on the nameplate;
- the combustion air intake ducts (when fi tted) and the fume
exhaust pipes are those specifi ed by the manufacturer;
- the combustion air is supplied in such a way as to avoid even
partial obstructions of the intake grille (caused by leaves etc.);
- the fuel intake internal and external seal is checked during
the testing stage, as required by applicable standards;
- the burner is supplied with the same type of fuel it has been
designed for;
- the system is correctly sized for such fl ow rate and is fi tted
with all safety and monitoring devices required by applicable
standards;
- the inside of the gas pipes and air distribution ducts for ducted
heaters has been thoroughly cleaned;
- the fuel fl ow rate is suitable for suitable for the power required
by the burner;
- the fuel supply pressure is between the range specifi ed on
the nameplate.
If the burner is not going to be used over a prolonged
period the gas supply valve must be closed.
■ Gas leaks
If there is gas smell:
- do not operate electrical switches, telephones or any other
object or device that could produce sparks;
- immediately open doors and windows to create an air fl ow
to vent the gas out of the room;
- close the gas valves;
- call for qualifi ed staff.
Supplying the gas circuit with pressure higher
than 60 mbar is strictly prohibited. Such pressures
could cause the valve to break.
■ Operation
Do not allow children or inexperienced people to use any
electrically powered equipment.
The following instructions must be followed:
- do not touch the equipment with wet or damp parts of your
body and/or with bare feet;
- do not leave the equipment exposed to the elements (rain,
sun etc....) unless it is adequately protected;
- do not use the gas pipes to earth electrical equipment;
- do not touch the hot parts of the heater, such as the fume
exhaust duct;
- do not wet the heater with water or other fl uids;
- do not place any object over the burner;
- do not touch the moving parts of the burner.
■ Maintenance
Maintenance operations and combustion inspections must
be carried out in compliance with current standards.
Before carrying out any cleaning and maintenance operations,
isolate the heater from the mains power supply from the switch
located on the electrical system and/or on the shut-out devices.
If the heater is faulty and/or incorrectly operating, switch it off
and do not attempt to repair it yourself, but contact our local
Technical Service.
All repairs must be carried out by using genuine spare parts.
Failure to comply with the above instructions could compromise
the safety of the equipment and invalidate the warranty.
If the equipment is not used for long periods, shut the gas
supply off through the gas stopcock and disconnect it from the
power supply.
If the heater is to be put out of service, in addition to the above
operations, potential sources of hazard on the unit must be
removed.
It is strictly forbidden to obstruct the Venturi pipe inlet, located
on the burner-fan unit, with your hands or with any other objects.
Any obstruction could cause a backfi re from the premixed
burner.
General recommendations
■ Location
These roofcurb with integrated burner are designed to be
coupled with an 50FC unit (roof-top installation). Make sure they
are not fi tted near areas where there is a risk of fi re (fl ammable
dust) or explosion, or in areas where aggressive products are
kept, e.g. trichloroethylene, perchloric acid, etc.
■ Delivery of the roofcurb with gas burner
Check the condition of the equipment upon delivery. Check
that the details on the label, the packing and the name plate
match the order. If equipment has been damaged, or there is
a shortfall in delivery, notify accordingly.
■ Burner identifi cation
The roofcurb with the burner includes a name plate featuring the
main gas characteristics as well as the roofcurb serial number.
GAS INFORMATION
COUNTRY
GAS
CATEGORY
PIN
Roofcurb with burner
CE certifi cate No.
Important: The serial number must be used in all
communication regarding the unit.
Transport and installation
Follow the recommendations given in section 7.4 which details
how to handle and fi t the adjustable roff curb, and how to fi t the
50FC unit onto this roff curb.
CONSUMPT.
PRESSURE
TYPE
WO
Burner Roofcurb
model serial No.
m3/h
mbar
39