Vivax HPS-120HM155AERI/I3, User Manual

Page: 121 / 200

VIVAX
ENG
30
TEST RUNNING
Operate according to "key points for test running" on the electric control box cover.
PRECAUTIONS ON REFRIGERANT LEAKAGE
When the refrigerant charge in appliance is more than 1.842kg, following requirments
should be complied with.
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)
5/4
x 1.8 x (A)
1/2
or the required minium floor area Amin to install an appliance with refrigerant charge
mc shall be in accordance with following:
A
min
= ( m
c
/ ( 2.5 x (LFL)
5/4
x 1.8))
2
where
m
max
is the allowable maximumm charge in a room, in kg
A is the room area, in m
2
A
min
is the required minimum room area ,in m
2
m
c
is the refrigerant charge in appliance, in kg
LFL is the lower flammable limit in kg/m
3
,the value is 0.306 for R32
refrigerant
●
Install mechanical ventilator to reduce the refrigerant thickness, under critical
level. (ventilate regularly).
●
Install leak alarm facility related to mechanical ventilator if you can not regularly
ventilate.
CAUTION

Test running can not start until the outdoor unit has been connected to the power
for 12 hours.

Test running can not start until all the valves are affirmed open.