User manual

Caution The hot water tank must be equipped with an approved safety valve.

Caution Heating systems with closed expansion tanks must also be supplied with approved pressure gauges and safe-

ty valves.

Caution Cold and hot water pipes and overflow pipes from safety valves must be made of heat resistant and corro-

sion-resistant material, for example copper. The safety valve overflow pipes must have an open connection to

the drain and visibly flow into this in a frost-free environment.

Caution 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.

If there is any risk of groundwater infiltration at wall lead-ins for brine pipes, watertight grommets must be

used.

In addition to applicable local rules and regulations the installation should be carried out in a manner that

prevents vibrations from the heat pump being transmitted into the house causing noise.

9.1 Refrigerant

Caution Work on the refrigerant circuit must only be carried out by a certified engineer!

Although the heat pump cooling system (refrigerant circuit) is filled with a chlorine-free and environmentally-approved refrigerant that

will not affect the ozone layer, work on this system may only be carried out by authorized persons.

9.2 Fire risk

The refrigerant is not combustible or explosive in normal conditions.

9.3 Toxicity

In normal use and normal conditions the refrigerant has low toxicity. However, although the toxicity of the refrigerant is low, it can cause

injury (or be highly dangerous) in abnormal circumstances or where deliberately abused.

Warning

Risk of personal injury! Spaces in which heavy vapour can collect below the level of the air must be well venti-

lated.

Refrigerant vapour is heavier than air and, in enclosed spaces below the level of a door for example, and in the event of leakage, concen-

trations can arise with a resultant risk of suffocation due to a lack of oxygen.

Commissioning

VIGFH102 Danfoss Heating Solutions