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RXYSQ4~Y1B
VRVIII-S System air conditioner
4PW68122-1 – 02.2011
Installation manual
15
The filled out label must be adhered on the inside of the product and
in the proximity of the product charging port (e.g. on the inside of the
service cover).
9.12. Field settings for BP unit
Change the setting from VRV applications (default setting) to Sky Air
or room air conditioner and BP unit applications.
Led state
Throughout the manual the state of the leds is indicated as follows:
1
Turn on the power of the outdoor unit.
2
Press
at least 5 seconds.
3
Press 51 times on
.
4
Press
once.
5
Press
once.
6
Press 2 times on
.
The setting for changing from VRV applications to Sky Air or room air
conditioner and BP unit applications is complete.
9.13. 3 procedures for adding refrigerant
Procedure 1: Adding refrigerant by using the automatic
refrigerant charging function (recommended)
How to connect the tank?
When the refrigerant tank is connected and the specified operation is
performed, the appropriate amount of refrigerant will be charged into
the system. After charging, the system will stop automatically. The
refrigerant must be charged according to the procedure described
below.
Automatic refrigerant charging procedure
1
Open the liquid and gas side stop valves completely.
2
Turn on the power of the outdoor unit and indoor units.
3
Make sure that the led on the PCB (A1P and A2P) on the
outdoor unit are as shown in the table below. This indicates that
the system is operating normally.
NOTE
National implementation of EU regulation on certain
fluorinated greenhouse gases may require to provide
the appropriate official national language on the unit.
Therefore, an additional multilingual fluorinated
greenhouse gases label is supplied with the unit.
Sticking instructions are illustrated on the backside of
that label.
x
OFF
w
ON
c
blinking
❃
ON or OFF
H1P
H2P
H3P
H4P
H5P
H6P
H7P
w x
x
x
x
x
x
H1P
H2P
H3P
H4P
H5P
H6P
H7P
w w w x
x w w
H1P
H2P
H3P
H4P
H5P
H6P
H7P
w x
x
x
x
x c
This setting is for VRV
applications (default setting)
H1P
H2P
H3P
H4P
H5P
H6P
H7P
w x
x
x
x c x
This setting is for Sky Air or
room air conditioner
applications
H1P
H2P
H3P
H4P
H5P
H6P
H7P
w x
x
x
x
x
x
3
5
6
2
1
4
1
factory refrigerant charge
of the product:
see unit name plate
2
additional refrigerant
amount charged in the field
3
total refrigerant charge
4
Contains fluorinated
greenhouse gases covered
by the Kyoto Protocol
5
outdoor unit
6
refrigerant cylinder and
manifold for charging
BS1 MODE
BS2 SET
BS3 RETURN
BS2 SET
BS3 RETURN
1
Liquid line stop valve
2
Gas line stop valve
3
To indoor unit
4
Service port for adding refrigerant
5
Valve A
6
R410A tank
7
Measuring instrument
8
Pipe fixing plate
CAUTION
■
Make sure to turn ON the power 6 hours before
starting the operation. This is necessary to warm the
crankcase by the electric heater.
■
Automatic charging is able to charge 6
kg/hour
refrigerant at an outside temperature of 0°C to 24 kg/
hour refrigerant at an outside temperature of 35°C.
The charging time depends on the amount of charged
refrigerant and on the outside temperature.
■
Automatic refrigerant charging is NOT possible if the
following restrictions are exceeded:
■
Outside temperature: 0°C DB~43°C DB
■
Indoor temperature: 0°C DB~32°C DB
■
Indoor unit connection capacity: 50%~130%
Note that valve A must be closed!
NOTE
When an indoor unit is connected to the
refrigerant system and the indoor unit is turned
off, automatic charging will fail.
MODE
TEST/HWL
IND
MASTER
SLA
VE
L.N.O
.P
.
DEMAND
H1P
H2P
H3P
H4P
H5P
H6P
H7P
x
x w x
x
x
x
3
6
7
1 2
4
5
3
6
7
1 2
8
4
5
V1
Y1
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