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2.
I
NTRODUCTION
This installation manual describes the procedures for installing and
connecting the RXYSQ units with the use of a BP unit for Sky Air or
room air conditioner indoor units and without the use of a BP unit for
VRV indoor units.
Use the manuals supplied with the BP unit and Sky Air or room air
conditioner indoor units for further instructions.
2.1.
System layout
For Sky Air or room air conditioner
indoor units only
(See figure 11)
1
BP unit (branch provider)
Choose the BP unit type (2 or 3 rooms) in function of the
installation pattern.
I For 2 rooms: BPMKS967B2B
I For 3 rooms: BPMKS967B3B
2
Refnet joint KHRQ22M20T (Must be purchased separately).
3
Main piping
4
Branch piping
Power supply line (3 wires)
V1+BP unit = 1~ 50 Hz, 230 V
Y1 = 3N~ 50 Hz, 380-415 V
Transmission and power supply line (4 wires)
Transmission line (2 wires)
Brazing connection
Flare connection
Note down the installation location of each device in the
provided
space
children's room, ...
Also fill in this information on the label attached to the
backside of the front panel.
This information will be useful when performing test
operation.
2.2.
Combination
The indoor units can be installed in the following range.
I
Always use appropriate indoor units compatible with R410A.
To learn which models of indoor units are compatible with
R410A, refer to the product catalogs.
I
For Sky Air or room air conditioner indoor units only:
Total capacity/quantity of indoor units
Total capacity of
indoor units
RXYSQ4
50~130
RXYSQ5
62.5~162.5
RXYSQ6
70~182
I
For VRV indoor units only:
Total capacity/quantity of indoor units
Total capacity of indoor
units
RXYSQ4
50~130
RXYSQ5
62.5~162.5
RXYSQ6
70~182
RXYSQ6TAV1B
VRV IV-S System air conditioner
4P482260-1 – 2017.03
on
figure
11. Example: kitchen,
Total number of
Total number of
indoor units
BP units
8
3
9
3
9
3
Total number of indoor
units
8
10
13
2.3.
Standard supplied accessories
(*)
Gas line piping (1)
+ copper
gasket
(*)
Gas line piping (2)
(*)
Gas line piping (3)
Installation manual
Operation manual
Drain socket
Drain cap
Drain receiver
Insulation tape
Drain stop
Fluorinated greenhouse gases
label
Multilingual fluorinated
greenhouse gases label
(*) Only for RXYSQ6.
Location of accessories: refer to
1
Accessories
2.4.
Optional accessories
To install the above outdoor units, the following optional parts are
also required.
I
For Sky Air or room air conditioner indoor units only:
Refrigerant branching kit (for R410A only: Always use an
appropriate kit dedicated for your system.)
Refnet joint
KHRQ22M20T
I
For VRV indoor units only:
Refrigerant branching kit (for R410A only: Always use an
appropriate kit dedicated for your system.)
Refnet header
KHRQ22M29H
To select an optimum refrigerant branching kit, refer to
"Refrigerant branch kit selection" on page
2.5.
Technical and electrical specifications
Refer to the Engineering Data Book for the complete list of
specifications.
+
1
1
1
1
1
2
3
1
1
1
1
figure
1.
Refnet joint
KHRQ22M20T
11.
Installation manual
3
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