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5
Piping installation
Warning
As the water temperature in Diplomat Optimum G2/G3 and Diplomat Duo Optimum G2/G3 becomes hot (up
to 95°C), a mixer valve must be installed between the cold water and hot water pipes to ensure a lower do-
mestic hot water temperature.
Alternatively the maximum hot water temperature must be reduced in the Service menu.
Caution
Piping installation must be carried out in accordance with applicable local rules and regulations. The hot wa-
ter tank must be equipped with an approved safety valve.
Caution
To prevent leaks, ensure that there are no stresses in the connecting pipes!
Caution
It is important that the heating system is bled after installation. Bleed valves must be installed where necessa-
ry.
N
Ensure that the pipe installation is carried out in accordance with the dimensions and connection diagrams.
N
Configure the heat pump for the desired system solution in the SERVICE\ADD. HEATER\EXTERNAL ADDITION
menu.
5.1
Safety valves
Warning
Radiator systems with a closed expansion tank must also be equipped with an approved manometer and
safety valve, minimum DN 20, 1.5 bar opening pressure, or according to country specific requirements.
Warning
Cold and hot water pipes and overflow pipes from safety valves must be made of heat resistant and corro-
sion-resistant material, e.g. copper. The safety valve overflow pipes must have an open connection to the
drain and visibly flow into this in a frost-free environment.
Warning
The connecting pipe between the expansion tank and the safety valve must slope continuously upwards. A
continuous upwards slope means that the pipe must not slope downwards from the horizontal at any point.
5.2
Connection heating and hot water
Installation Guide
Domestic heat pumps
VMGFP202
Thermia Värmepumpar
20
Содержание Atria Optimum
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