7219708 - 01 (04/15)
EcoBlue System
37
Before Installation
5
5.6
Connecting Diagrams
5.6.1 System Filling and Pressurising
1. 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.
2. The filling method adopted must be in accordance with all
relevant water supply regulations and use approved equipment.
3. 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”.
4. 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.
Fig. 18
Stop
Valve
Double
Check
Valve
Cold
Mains
Inlet
CH
Return
Temporary
Loop
Stop
Valve
5.5.3 Flushing
1. Flush thoroughly and treat the system according to guidance
given in B.S. 7593.
