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LX Range Users, Installation & Servicing Instructions Doc Ref M110 issue 1.0 Dec 2020.
The LX range are highly efficient, gas fired, fanned
circulation air heaters that cover heat outputs of 15kW to
140kW, have a closed combustion circuit and are supplied
complete with an combustion exhaust fan the outlet of
which can be either vertical or horizontal.
LX heaters are certified for use on Natural Gas, Group H
- G20*. Appliance Categories are Cat II2H (GB, IE). All LX
heaters are CE certified and conform to all the European
directives stated in section 1.3.1
LX heaters are designed to be suspended from suitable
roof points or alternatively to be mounted on purpose
designed brackets and are intended primarily for heating
commercial or industrial premises. All variants noted
in this manual are for internal use only. LX EA units are
available for external installations.
LX heaters feature a closed combustion circuit and have
an internal exhaust fan, mounted downstream of the
heat exchanger, to evacuate the products of combustion
and draw in air for combustion. The air heater must be
connected to a flue system that is approved by Powrmatic
Ltd.
LX heaters may be used where the atmosphere inside the
premises could be contaminated e.g. Dust, oil mist etc.
but the heaters are not airtight and therefore may not
be used in areas classified as hazardous as defined in BS
5345: Part 2 or areas subjected to significant negative
pressures due to extract systems.
LX F, LX Duo and LX V heaters have an axial fan assembly
fitted to circulate the air being heated through the
formed tube heat exchanger. LX C units are supplied
with a centrifugal fan and LX D units for use with ducted
systems where the air moving fan is by others or a
centrifugal fan section is used adjacent to or remote from
the heater.
Heaters are fitted as standard with inshot burners, a fully
automatic control for ignition, flame sensing, gas supply
control and safety functions, an internal exhaust fan,
main air fan (F and C models), limit thermostat and fan
command module.
Options include inlet duct connection, outlet duct
connection, 30° head, 90° outlet bend, vertical/horizontal
outlet louvre assembly.
IMPORTANT
Service and Maintenance Engineers shall
ensure that replacement items are fitted,
adjusted and set in accordance with the
data and detail set out in these instructions. If in doubt
consult Powrmatic Technical Department.
* LPG conversion kits available.
1.1 Introduction
User Instructions
E) Maintenance
To maintain efficient, reliable and safe operation of the
heater it must serviced annually by a qualified person
Regular servicing is essential to maintain efficient, reliable
and safe operation of the heater. Users are strongly
recommended to have the heater serviced at least
annually and preferably at the end of the heating season.
IMPORTANT
Free access must be maintained to and
around the heater for servicing purposes
and the air supply to the heater must not be
restricted in any way. Combustible materials must not
be stored adjacent to the heater. Clearances must be
maintained as stated in section 2.1.1.
IMPORTANT
All Powrmatic LX heaters use gas and
electricity to power them, they may also
contain moving parts such as pulleys and
belts. It would be hazardous to tamper with or attempt to
service unless you are a competent person in the field of
Gas and Electrical work.
If you have any safety questions reference the servicing
and installation of any of our heaters please do not
hesitate to contact our head office for expert advice. Your
safety is paramount to us.
Gas Safety (Installation & Use) (Amendment)
Regulations 2018
It is law that all gas appliances are installed,
adjusted and, if necessary, converted by
qualified persons* in accordance with the
current issue of the above regulations.
Failure to install appliances correctly can lead to
prosecution. It is in your own interests and that of safety
to ensure that the law is complied with.
* Gas Safe Registered Engineer
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