62
Checking the refrigerant circuit for leaks
Danger
The refrigerant is a non-poison-
ous gas that displaces air.
Unregulated escape of refriger-
ant in enclosed spaces can result
in difficulties in breathing and suf-
focation.
Always
observe regulations and
guidelines for handling this type
of refrigerant.
Danger
Direct contact with refrigerant
can be harmful to skin.
Wear safety goggles and protec-
tive gloves when working on the
refrigerant circuit.
Note
Work on the refrigerant circuit must
only be carried out by certified personnel
(in accordance with EC 842/2006 and
303/2008).
Check the floor area, valves and all visi-
ble solder joints for traces of oil.
Note
Traces of oil indicate a leak in the refrig-
erant circuit. Have your heat pump
checked over by a refrigeration engi-
neer.
Filling and venting on the secondary side
Unsuitable fill and top-up water increa-
ses the level of deposits and corrosion.
This can lead to system damage.
Observe VDI 2035 regarding quality and
amount of heating water, including fill
and top-up water.
■ Flush the heating system thoroughly
before filling.
■ Only fill with water of potable quality.
■ Soften fill water with a water hardness
above 16.8 °dH (3.0 mol/m
3
), e.g. with
the small softening system for heating
water: See the Vitoset pricelist.
!
Please note
Avoid appliance damage.
Protect electrical components
inside the heat pump from escap-
ing liquids.
Note
Before filling the system, observe
VDI 2035 part 1.
Commissioning, inspection, maintenance
Further details regarding the individual steps
(cont.)
5516 436 GB
