2.2 Installation and maintenance
Caution Only qualified installers may install, operate
and carry out maintenance and repair work
on the heat pump.
Caution Only qualified electricians may modify the
electrical installation.
Caution Only qualified refrigeration technicians may
work on the refrigerant circuit.
2.3 System modifications
Only qualified installers may carry out modifications on the following components:
Only qualified installers may carry out modifications on the following components:
▪
The outdoor and indoor units
▪
The pipes for the refrigerant and water
▪
The power supply
▪
The safety valves
It is not permitted to carry out construction installations that may affect the operational safety of the heat
pump.
2.4
Safety valves
▪
Never block the connection to a safety valve’s overflow pipe.
▪
The following safety precautions apply to the hot water circuit’s safety valve with corresponding over-
flow pipe: Water expands when it is heated, which means that a small amount of water is released from
the system via the overflow pipe. The water that exits the overflow pipe can be hot! Therefore, allow it
to flow to a floor drain to prevent any risk of burning yourself or others.
User Guide iTec
Thermia Värmepumpar VUJSI102
7
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