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Safety
Safety, Installation and Warranty Requirements
1
WARNING
Escaping refrigerant can lead to fire and explosions
that result in very serious injuries or death.
H Do not drill or apply heat to a refrigerant circuit
filled with refrigerant.
H Do not operate Schrader valves unless a fill valve
or extraction equipment is attached.
H Take measures to prevent electrostatic charge.
H No smoking! Prevent naked flames and sparks.
Never switch lights or electrical appliances on or
off.
H Components that contain or contained refrigerant
must be labelled, and stored and transported
in well ventilated areas in accordance with the
applicable regulations and standards.
1
WARNING
Direct contact with liquid and gaseous refrigerant
can cause serious damage to health, e.g. frostbite
and/or burns. There is a risk of asphyxiation if it is
breathed in.
H Prevent direct contact with liquid and gaseous
refrigerant.
H Wear personal protective equipment when
handling liquid and gaseous refrigerant.
H Never breathe in refrigerant vapors.
1
WARNING
Refrigerant is under pressure:
Mechanical loading of lines and components
an cause leaks in the refrigerant circuit. Do not
apply loads to the lines and components, e.g. by
supporting or placing tools.
1
WARNING
Hot and cold metallic surfaces of the refrigerant
circuit may cause burns or frostbite if skin contact
is made. Wear personal protective equipment to
protect against burns or frostbite.
Note:
When refrigerant is being removed, hydronic
components may freeze. Drain heating water from
the heat pump beforehand.
6
Vitocal 100-AW AM2V Installation, Service and Operating
1
WARNING
Damage to the refrigerant circuit can cause
refrigerant to enter the hydronic system. After
completion of the work, vent the hydronic system
Damage to the refrigerant circuit can cause
refrigerant to enter the hydronic system. After
completion of the work, vent the hydronic system
correctly. When doing so, ensure the area is
sufficiently ventilated. Installation Frost protection.
Note:
Freezing can cause damage to the heat pump.
H Thermally insulate all the hydronic lines.
H In order to activate the frost protection function,
electrically connect the heat pump before filling
the secondary circuit. Switch on the power
supply. Switch on the ON/OFF switch on the
indoor unit.
1
WARNING
With short electrical cables, should there be
leakage in the refrigerant circuit, gaseous
refrigerant may reach the inside of the building.
Min. length of the electrical connecting cables
between the indoor and the outdoor unit: 3 m
Note:
Repairing components that fulfil a safety function
can compromise the safe operation of the system.
H Replace faulty components only with genuine
Viessmann spare parts.
H Do not undertake any repairs on the inverter.
Replace the inverter if there is a defect.
Note:
Spare and wearing parts that have not been tested
together with the system can compromise its
function. Installing non-authorised components and
making non-approved modifications or conversions
can compromise safety and may invalidate our
warranty. For replacements, use only original spare
parts supplied or approved by Viessmann.
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