Filling The Installation; Flushing The System; Fill The Installation; Filling The Condensate Trap - Baxi 224 Combi 2 Installation And Service Manual

6 Installation
6.5

Filling the installation

Fig.44 Filling the installation
6.6

Draining the installation

Fig.45 Draining the installation
E
42 Combi 2
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
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Your attention is drawn to:
for GB: Guidance G24.2 and recommendation R24.2 of the Wa­
ter Regulations Guide.
for IE: the current edition of I.S. 813 "Domestic Gas Installa­
tions" .
2. The sealed primary circuits may be filled or replenished by means of
a temporary connection between the circuit and a supply pipe, provi­
ded a 'Listed' double check valve or some other no less effective
backflow prevention device is permanently connected at the inlet to
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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 cir­
cuit.
Remove the temporary connection after use except if where a per­
manent connection is used.
6.5.3

Filling the condensate trap

1. Check that the boiler condensate trap has been primed before com­
missioning the boiler.
The drain cock is inside the boiler (in the lower left-hand section). To
access the cock and drain it, proceed as follows:
1. Remove the front panel from the boiler and turn the control panel
downwards, as shown in the adjacent figure.
2. Slowly open the cock (E) anti-clockwise to drain the boiler and the
system. Do not use tools.
3. Close the cock by turning it clockwise, without using excessive force.
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