gledhill SysteMate 125, Инструкции по установке и обслуживанию

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SY
STEMA
TE
2000
1.0 DESIGN
Heating System
General
A schematic layout of the heating system in a typical small dwelling is shown
above.
The flow and return from the boiler must always run directly to the SysteMate 2000
and the flow should rise continuously to facilitate venting. The heating circuit is taken
from the SysteMate 2000 and is piped in the conventional manner.
The SysteMate 2000 is only suitable for a sealed heating system and therefore
boiler/heating pipework can run at a higher level than the store.
It is recommended that the F & E cistern for the appliance is fitted at high level in
the same cupboard as the SysteMate 2000. However, it can be fitted remotely up
to 10m above the base of the SysteMate 2000 i.e. the maximum static pressure in
the store must not exceed 1 bar.
It is recommended that the expansion vessel is fitted at high level in the appliance
cupboard alongside the F & E cistern.
The performance of the system pump and the pressure losses through the SysteMate
2000 primary coil circuit are shown in1.2 Technical Data. The nett pump head
available for the heating circuit can be determined from these figures and this nett
pump head should be used for sizing the heating circuit pipework.
1.3 SYSTEM DETAILS
For example: At 24 litres/min primary flow
rate, the pressure loss through the SysteMate
2000 model SM210 (coil and fittings) is 2.1m
W.G. (21kPa). The maximum pump head
available at 24 litres/min and setting 3 is 3.2m
H
2
O (32kPa), therefore 1.1m W.G. (11kPa) is
available for the boiler circuit.
With sealed heating systems air is released
during the first few weeks of operation.
This will need to be vented and the system
re-pressurised.
The overflow/warning pipe should be installed
in a material suitable for a heating system
feed and expansion cistern in accordance with
BS 5449.
An automatic bypass is fitted on the SysteMate
2000 to compensate for pressure (i.e. flow) rate
changes in the heating circuit e.g. when the
thermostatic radiator valves close. The system
does not require any other bypass valves but
a bypass radiator used in conjunction with a
room thermostat is suitable.
There shall be no permanent connection to
the mains water supply for filling the system,
even through a non-return valve without the
approval of the Local Water Authority. An
approved filling loop is required with the
SysteMate 2000 (available as an optional
extra) which this should be disconnected after
commissioning the system. This should be
located adjacent to the boiler along with
a suitable gauge and pressure relief valve
(also available as optional extras) as shown
opposite.
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