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CP
x Range Users, Installation & Servicing Instructions Doc Ref M201 issue 2.9 Nov 2018.
The Powrmatic CPx range of closed flue, fanned
circulation air heaters cover a heat output range of 30
kW to 290kW and are intended primarily for heating
commercial or industrial premises.
They are B23 type appliances fitted with either a gas fired
forced draught burner or a pressure jet oil fired burner.
Fuel Types
Gas fired units are certified for use on Natural Gas, Group
H - G20, Group L - G25 and Propane - G31.
Oil fired units are supplied as standard for use with 35sec
fuel and can be supplied for use with 28sec fuel as an
option.
In accordance with guidelines from our burner supplier,
Riello, the burners fitted to Powrmatic oil-fired heaters
are suitable for fuels with a bio content of up to 10% only.
For fuels with a bio content of more than 10% please
consult our Technical Department.
CPx heaters have a centrifugal fan assembly fitted
upstream of the combustion chamber / heat exchanger
assembly to circulate the air being heated and are
available in three styles:
Standard Style
Suitable for internal applications only and available in /UF,
/UD, /HD, /HF, /CF and /CD variants (see below). /UF and
/UD models are floor standing, /HD, /HF, are horizontally
mounted on purpose design supports. /CD models can be
plinth mounted at floor level. /CF and /CD models can be
mounted at high level on purpose design supports.
CPx/NCA Style
Suitable for internal applications only and having an
extended casing that encloses the burner. Available in /UF
and /UD variants only(see below).
CPx/EA Style
Casing is extended to enclose the burner. The heater is
fully weatherproof and designed for external applications
only. Available in /TD, /HD, /RT and /SD variants.
Variant types are:-
/UF - Upright heater with free blowing rotatable heads.
/UD - Upright heater with outlet duct spigot (inlet duct
spigot optional).
/HF - Horizontal heater with free blowing rotatable
heads.
/HD - Horizontal heater with outlet duct spigot (inlet duct
spigot optional).
/CF - Counterflow heater with free blowing rotatable
heads.
/CD - Counterflow heater with outlet duct spigot (inlet
duct spigot optional).
/TD - Rooftop heater with top outlet duct spigot (inlet
duct spigot optional).
/RT - Rooftop heater with outlet duct spigot on the
underside (inlet duct spigot optional).
/SD - Upright heater with side outlet duct spigot (inlet
duct spigot optional).
Other options include High/Low or modulating burners,
uprated main fan motors, flue support bracket, deep
V filters, flat panel filters, proportional air dampers,
combustion air inlet adaptors and inlet and outlet duct
spigots.
Each air heater must be connected to a closed flue system
only.
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.
For gas fired heaters only.
Gas Safety (Installation & Use) Regulations
It is law that all gas appliances are installed,
adjusted and, if necessary, converted by
qualified persons* in accordance with the
latest edition 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
