Connecting The Heating Circuit; Connecting The Expansion Vessel - REMEHA Quinta Pro 30 Installation, User And Service Manual

Fig.8 Connecting the CH flow
Fig.9 Connecting the CH return
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Important
Due to the presence of an aluminium heat exchanger, suitable
chemicals and the correct use of these chemicals should be dis­
cussed with specialist water treatment companies.
6.3.2

Connecting the heating circuit

1. Remove the dust cap from the CH flow connection
tom of the boiler.
2. Fit the outlet pipe for CH water to the CH flow connection.
AD-0000022-02
3. For filling and tapping the boiler, install a filling and drain valve in the
system.
4. Remove the dust cap from the CH return connection
tom of the boiler.
5. Fit the inlet pipe for CH water to the CH return connection.
6. Install the pump in the CH return pipe (if applicable).
See
For the pump's electrical connection: Connecting the pump, page
32
Important
Fit a service shut-off valve in the CH flow pipe and the CH return
pipe to facilitate servicing work.
Caution
When fitting service shut-off valves, position the filling and drain
valve, the expansion vessel and the safety valve between the
shut-off valve and the boiler.
Carry out any welding work required at a safe distance from the
boiler or before the boiler is fitted.
If using synthetic pipes, follow the manufacturer's (connection)
instructions.
When installing open-vented systems, the cold feed and expan­
sion tank heights must comply with the requirements laid down
AD-0000023-02
in the Health and Safety Executive publication PM5. The Quinta
Pro boilers require a minimum static height of 3 m (Quinta Pro
30/45/55/65/90) or 5 m (Quinta Pro 115).
6.3.3

Connecting the expansion vessel

1. Ensure that there is an expansion vessel with the correct volume
and inlet pressure.
2. Fit the expansion vessel on the central heating return pipe
6 Installation
at the bot­
at the bot­
23