17
EN-114B_f.1294
V
min
Minimum room volume in m
3
m
maks
Max. refrigerant filling quantity in kg
G Practical limit value according to EN 378, depending on the chemical composition
refrigerant. Up to R410A: 0,44 kg /m
3
Note
If several heat pumps are installed in one room, it is necessary to calculate minimum room
volume for the device with the largest amount of refrigerant.
Attention!
Escaping flammable refrigerant (R32) may cause a fire in the premises with insufficient
air supply.
■
Keep a minimum floor space.
■
Provide adequate ventilation and exhaust ventilation systems.
■
In the installation room, do not use ignition sources, eg. open sources fire, gas ap
-
pliance on, electric heater with exposed heating element etc.
Do not smoke in the technical room.
■
Electrical components installed within 1 m of conductive parts the refrigerant in the
installation must meet the requirements for hazardous areas explosion, zone 2.
Minimum spacing
In combination with R32 refrigerant: Strictly observe the minimum room area in addition
to the minimum distances.
