Daikin RXYQ96PYDN Service Manual page 246

SiUS34-801A_b
[Automatic refrigerant charging operation procedure]
NOTE:
(1) Open the liquid pipe, suction gas pipe and HP/LP gas pipe shutoff valves. (The valve A~C must
(2) • Close the Electrical Componets Box (1) lid and all front panels except on the Electrical
(3) Check the LED. And push the MODE button (BS1) once if the LED displays is not as shown in
VRVIII R-410A Heat Recovery 60Hz
MODE button (BS1).
REYQ72~120PYDN
REYQ72~144PTJU
Measuring device
R-410A tank (with siphon)
REMQ72~120PYDN
REMQ72~120PTJU
Charge hose
Measuring device
R-410A tank (with siphon)
: Field pipings
: Refrigerant flow when charging
The LED signals represent the following:
i j
h
: OFF : ON : Blinking
be closed. See figure 31.)
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.
the following diagram:
H1P H2P H3P H4P H5P H6P H7P
h h i h h
Charge hose
Refrigerant charge port
HP/LP gas pipe shutoff valve
Suction pipe shutoff valve
Liquid pipe shutoff valve
Valve B
Valve C
Valve A
: Field pipings
: Refrigerant flow when charging
: Shutoff valve
( )
: Service port
Equalizer pipe shutoff valve
HP/LP gas pipe shutoff valve
Suction pipe shutoff valve
Liquid pipe shutoff valve
Refrigerant charge port
Valve A
Valve B
Valve C
: Shutoff valve
(
: Service port
∗
: OFF, ON or Blinking
h h
Outside unit
To BS,
indoor unit
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.
Outside unit A Outside unit B
Valve A
To BS,
indoor unit
)
figure 31
Test Operation
231