Immergas MAGIS M4-30 Use And Installation page 73

Water circuit connection.
e water connections must be performed properly according to the labels applied on the heat pump, indicating water
inlet and outlet.
CAUTION
cause the unit to malfunction.
• Use a proper thread sealant to seal the connections.
tures of the system.
• When non-copper metal pipes are used, make sure the two materials are insulated from each other to avoid galvanic
corrosion.
NOTE
corrosion to the water pipes:
• Never use any galvanised parts in the water circuit.
in the internal water circuit of the unit
• When a 3-way valve or 2-way valve is used in the water circuit.
valve should be less than 60 seconds.
Anti-freeze protection of water circuit.
All the internal hydronic parts are insulated to reduce thermal dispersion. Insulation must also be added to the pipes on
the eld.
e so ware has special functions that use the heat pump to protect the entire system from freezing. When the water ow
temperature in the system drops below a certain value, the unit heats the water with the heat pump.
tion function only deactivates when the temperature rises to a certain value.
In case of a power failure, the above features would not protect the unit from freezing. It is therefore recommended to empty
the system (if the water is not mixed with glycol). If the system remains idle, empty it and disassemble and clean the ow
switch to prevent the water inside from freezing.
"Anti-clockwise rotation,
remove the ow switch.
Dry the ow switch com-
pletely. "
e seal must be capable of withstanding the pressures and tempera-
Models 18-30kW.
ese parts can corrode excessively as the copper pipes are used
e maximum recommended switching time of the
e ow switch must be removed and dried, and then re tted in the unit.
Models 4-16kW.
e anti-freeze protec-
Mantenere asciutto