Daikin VRV III, Руководство по обслуживанию, Страница: 246 / 567

SiUS34-801A_b Test Operation
VRVIII R-410A Heat Recovery 60Hz 231
MODE button (BS1).
[Automatic refrigerant charging operation procedure]
NOTE:
The LED signals represent the following:
h : OFF
i
: ON
j
: Blinking
∗
: OFF, ON or Blinking
(1) Open the liquid pipe, suction gas pipe and HP/LP gas pipe shutoff valves. (The valve A~C must
be closed. See figure 31.)
(2) • Close the Electrical Componets Box (1) lid and all front panels except on the Electrical
Componets Box (1) side. (*1) Turn on the power to the outdoor unit and all connected BS,
indoor units. (*2)
• After H2P stops blinking (about 12 minutes after turning on the power), check that H2P is OFF.
If H2P is ON, check the malfunction code in the remote controller of indoor unit and correct the
malfunction in accordance with [ Remote controller display malfunction code ] in chapter 11-
2-2.
(3) Check the LED. And push the MODE button (BS1) once if the LED displays is not as shown in
the following diagram:
H1P H2P H3P H4P H5P H6P H7P
h h i h h h h
Measuring device
R-410A tank (with siphon)
Charge hose
Equalizer pipe shutoff valve
Valve C
Outside unit A Outside unit B
Valve A
To BS,
indoor unit
Valve B
HP/LP gas pipe shutoff valve
Suction pipe shutoff valve
Liquid pipe shutoff valve
Refrigerant charge port
Valve A
The refrigerant will be charged about
66 lb in one hour at outdoor temp.
86˚FDB (26 lb at 32˚FDB).
(According to outdoor temp. or the
refrigerant amount in the tank, the
charging rate may speed up). If you
need to speed up in case of multi
system, connect the refrigerant tanks
to each outside unit.
: Field pipings
: Refrigerant flow when charging
) (
: Shutoff valve
: Service port
figure 31
Measuring device
R-410A tank (with siphon)
Charge hose
Outside unit
To BS,
indoor unit
Valve C
Refrigerant charge port
HP/LP gas pipe shutoff valve
Suction pipe shutoff valve
Liquid pipe shutoff valve
Valve B
Valve A
( )
: Field pipings
: Refrigerant flow when charging
: Shutoff valve
: Service port
REYQ72~120PYDN
REYQ72~144PTJU
REMQ72~120PYDN
REMQ72~120PTJU