AFRISO 17 100 00 Руководство по эксплуатации
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Instruction manual
AFRISO Sp. z o.o.
Customer Service Team
Szałsza, ul. Kościelna 7
phone: 32 330 33 55
42-677 Czekanów
fax 32 330 33 51
www.afriso.pl
WARNING!
The product may only be installed, commissioned and dismantled by suitably qualified
and trained personnel.
Changes and modifications carried out by unauthorised persons may result in danger
and are prohibited for safety reasons.
Risk of burns from hot medium - see the chapter MAINTENANCE.
APPLICATION
Used in heating and cooling systems with air source heat pump monoblock type. Mounted on the return
and supply pipe of the system, as close as possible to the heat pump outdoor unit, outside the building.
Protects the internal components of the heat pump and the system from damage due to freezing of the
medium in the system.
WORKING PRINCIPLE
In a system with a monoblock air source heat pump, during a loss of circulation (e.g., due to a power
failure), the medium in the installation may freeze at sub-zero ambient temperatures. The created ice can
damage the heat pump heat exchanger and other sensitive installation components. When the tempera-
ture of the medium in the system drops to 3°C, the thermostatic element inside the valve will open the
flow of the medium to the outside, preventing potential damage. When the temperature of the medium
rises above 4°C, the thermostatic element will automatically close the flow of medium from the system.
Fig. 1 VALVE CONSTRUCTION
953.001.0159
Anti-freeze valve AAV
Art.-No 17 100 00, 17 300 00
Vacuum breaker
Valve body
DIMENSIONS [mm]
Fig. 2 AAV 100 valve
Fig. 3 AAV 300 valve
1
2
58
58