B. Leak alarm related to
mechanical ventilator
A. Ventilation
peristome
(Leak hunting siren should be installed
in places easily keep refrigerant)
Indoor unit
Room is filled of leakage refrigerant.
(All refrigerant has leaked out.)
8/10/12/14/16 kW
Fig.11-2
Fig.11-3
12 TURN OVER TO CUSTOMER
The owner's manual of indoor unit and owner's manual of outdoor unit must be turned over to the customer. Explain the contents in the
owner’s manual to the customers in details.
Indoor Unit
26
Max. differance in height
downside
Requirments for charge limits in unventilated areas:
The maximum refrigerant charge in appliance shall be in accordance with the following:
m
max = 2.5 x (LFL) x 1.8 x (A)
or the required minium floor area Amin to install an appliance with refrigerant charge mc shall be in accordance with following:
A
min=( mc / ( 2.5 x (LFL) x 1.8))
where
m
max is the allowable maximumm charge in a room,in kg
A is the room area, in m
Amin is the required minimum room area ,in m
mc is the refrigerant charge in appliance,in kg
LFL is the lower flammable limit in kg/m ,the value is 0.306 for R32 refrigerant
Outdoor Unit
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