4
The pressurisation unit is housed in
a powder coated steel cabinet with
a removable cover and is suitable for
filling and maintaining the cold fill
pressure in sealed heating, cooling,
or chilled water systems.
The wall mounted unit has been
designed to meet the needs of
the commercial/large domestic
installations, where plant room space
may be restricted and is fitted with a
single pump.
At 600mm High, 382mm Wide, and
280mm Deep, the pressurisation unit
allows for site installation where space
is of a premium, without compromising
serviceability.
The unit incorporates the following
features:-
• Micro-processor controller
• Non-return valve
• Pressure transducer
• LCD display screen & User
interface keypad
• Isolating Valve (between tank
and pump)
All screw threads used in the
pressurisation unit conform to ISO 7/1
or ISO 228/1 for pipe threads where
applicable & ISO 262 for all general
screw threads.
Versatility of Use
The pressurisation unit can be
configured to achieve and maintain a
system Cold Fill Pressure from as low
as 0.8bar up to 3.0bar.
The unit detailed in this manual utilises
a Type AF Air Gap, and is therefore
compatible for use with both Fluid
Category 3 (C-3) In-House, and Fluid
Category 4 (C-4) Other Than In-House
systems.
Building Management System
(BMS) Compatible
The pressurisation unit is supplied
as standard with Volt Free Relay
Outputs to provide the following
alarms; General Alarm, High
Pressure Alarm & Low Pressure
Alarm. These switches are rated to
accept 230Volts AC 50 Hz 1Ph, with
a maximum current of 0.5 Amps.
Self Diagnostic
The micro-processor is fully
diagnostic. Should a problem occur
with the operational function of the
appliance, the micro-processor will
operate the Low or High Pressure
relay or for other faults, the General
Fault relay, and a Flashing Error Code
will be displayed on the LCD Display
indicating the identified fault.
Guarantee
The warranties available on the
pressurisation unit are as follows;
Supply and Commissioned (By the
manufacturer) – Parts and Labour
Warranty, against manufacturing or
material defects for a period of up to
15 months from the date of delivery.
Supply Only - Parts Only Warranty,
against manufacturing or material
defects for a period of 12 months from
the date of delivery.
2.0 Product Description
Product description
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