6.5
Filling the installation
6.5.1
Flushing the system
Flush thoroughly and treat the system according to guidance given in BS
7593.
6.5.2
Fill the installation
A filling point connection on the central heating return pipework must be
provided to facilitate initial filling and pressurising and also any subsequent
water loss replacement/refilling.
1. Fill the installation using approved equipment and in accordance with
all relevant water supply regulations.
Important
Your attention is drawn to:
for GB: Guidance G24.2 and recommendation R24.2 of the
Water Regulations Guide.
for IE: the current edition of I.S. 813 "Domestic Gas
Installations" .
2. The sealed primary circuits may be filled or replenished by means of a
temporary connection between the circuit and a supply pipe, provided
a ‘Listed’ double check valve or some other no less effective backflow
prevention device is permanently connected at the inlet to the circuit
and the temporary connection is removed after use.
3. Fill or replenish the sealed primary circuits by means of a temporary
connection between the circuit and a supply pipe:
Permanently connect a ‘Listed’ double check valve or some other
no less effective backflow prevention device at the inlet to the
circuit.
Remove the temporary connection after use except if where a
permanent connection is used.
6.5.3
Filling the condensate trap
1. Check that the boiler condensate trap has been primed before
commissioning the boiler.
6 Installation
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