6
Installation
Frost protection
!
Please note
Freezing can cause damage to the
heat pump.
■
Thermally insulate all the
hydraulic lines.
■
In order to activate the frost pro-
tection function, electrically con-
nect the heat pump before filling
the secondary circuit. Switch on
the power supply. Switch on the
ON/OFF switch on the indoor unit.
■
Only fill the secondary circuit with
suitable fill water in accordance
with VDI 2035, not with media
containing antifreeze.
Connecting cables
Danger
With short electrical cables, should
there be leakage in the refrigerant
circuit, gaseous refrigerant may
reach the inside of the building.
■
Seal the pipe entry to the building
using the most suitable current
technology. Route the pipes into
the building through, for example,
a suitable pipe liner with wall seal
flanges.
■
Min. length of the electrical con-
necting cables between the indoor
and the outdoor unit: 3 m
Repair work
!
Please note
Repairing components that fulfil a
safety function can compromise the
safe operation of the system.
■
Replace faulty components only
with genuine Viessmann spare
parts.
■
Do not undertake any repairs on
the inverter. Replace the inverter if
there is a defect.
Auxiliary components, spare and
wearing parts
!
Please note
Auxiliary components, spare parts
and wearing parts that have not
been tested together with the sys-
tem can compromise its function.
Installing non-authorised compo-
nents and making non-approved
modifications or conversions can
compromise safety and may invalid-
ate our warranty.
For installation and replacements,
use only Viessmann original parts
or spare parts approved by
Viessmann.
Safety instructions for operating the system
What to do if refrigerant escapes
Danger
Escaping refrigerant can lead to fire
and explosions that result in very
serious injuries or death.
Take the following measures to pre-
vent fire and explosion:
■
Ensure very good ventilation especially
in the floor area of the outdoor unit.
■
No smoking! Prevent naked flames
and sparks. Never switch lights or elec-
trical appliances on or off.
■
Evacuate any people from the danger
zone.
Safety instructions
Safety instructions (cont.)
6222080
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