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6 Installation
6.3
Hydraulic connections
Fig.18
Connecting the heating circuit
Fig.19
Connecting water circuit for
domestic use
26
AMC
6.3.1
Installation must be carried out in accordance with the prevailing
regulations, codes of practice and the recommendations in this manual.
Before a new boiler can be connected to an existing or new system, the
entire system must be thoroughly cleaned and flushed. This step is
absolutely crucial. The flushing helps to remove residue from the
installation process (weld slag, fixing products etc.) and accumulations of
dirt (silt, mud etc.)
6.3.2
The boiler's modulating control system limits the maximum difference in
temperature between the heating flow and return, and the maximum
speed at which the flow temperature increases. In this way, the boiler does
not require a minimum water flow rate.
6.3.3
1
2
AD-0001383-03
6.3.4
1
2
AD-0001384-03
Rinsing the system
Important
Flush the system with a volume of water equivalent to at least
three times the volume of the system. Flush the DHW pipes with a
volume of water equivalent to at least 20 times the volume of the
pipes.
Water flow
Important
In the case of a combi boiler in an installation in which the flow
can be fully disconnected from the return (e.g. by using
thermostatic valves), a bypass pipe should be fitted or the
expansion vessel placed on the central heating flow pipe.
Connection of the heating circuit
1. Fit the inlet pipe for CH water to the CH return connection
2. Fit the outlet pipe for CH water to the CH flow connection
Caution
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.
Connection of the water circuit for domestic use
1. Connect the cold water inlet pipe to the domestic cold water
connection
.
2. Connect the domestic hot water outlet pipe to the domestic hot water
connection
.
.
7686707 - v.01 - 06092018
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