11 About the box
Installation and operation manual
16
RK RKXYQ8T7Y1B
VRV IV compressor unit for indoor installation
4P499900-1B – 2021.12
For the installer
11
About the box
11.1
Compressor unit
11.1.1
To remove the accessories from the
compressor unit
1
Remove the accessories (part 1).
a
1×
b
1×
c
1×
d
1×
e
1×
f
3×
a
General safety precautions
b
Compressor unit installation and operation manual
c
Fluorinated greenhouse gases label
d
Multilingual fluorinated greenhouse gases label
e
Screw (only needed in case 5 HP for shield of
transmission wiring) (see
"15.4 To connect the electrical
wiring on the compressor unit"
f
Cable tie
2
Remove the service cover. See
18].
3
Remove the accessories (part 2).
1×
1×
1×
1×
1×
8 HP
a
e
b
d
c
1×
1×
1×
1×
d
c
b
a
5 HP
a+b
Piping accessories for circuit 1 (to the heat exchanger unit)
5 HP
8 HP
a
Liquid
Ø12.7 mm
Ø12.7 mm
b
Gas
Ø19.1 mm
Ø22.2 mm
c+d
Piping accessories for circuit 2 (to the indoor units)
5 HP
8 HP
c
Gas
Ø15.9 mm
Ø19.1 mm
d
Liquid
Ø9.5 mm
Ø9.5 mm
e
Piping adapter (Ø19.1→22.2 mm) that you need when
connecting piping to the heat exchanger unit (only for 8 HP)
11.1.2
To remove the transportation stay
Only for RKXYQ5.
NOTICE
If the unit is operated with the transportation stay attached,
abnormal vibration or noise may be generated.
·
3
1
(10.1 N·m)
2
a
b
11.1.3
To remove the transportation EPS
Only for RKXYQ8.
1
Remove the EPS. The EPS protects the unit during transport.
12
About the units and options
12.1
About the compressor unit and
heat exchanger unit
The compressor unit and heat exchanger unit are intended for indoor
installation and aimed for air to air heat pump applications.
Specification
5 HP
8 HP
Maximum capacity
Heating
16.0 kW
25.0 kW
Cooling
14.0 kW
22.4 kW
Outside ambient
design temperature
Heating
–20~15.5°C WB
Cooling
–5~46°C DB
Ambient design temperature of
compressor unit and heat exchanger
unit
5~35°C DB
Maximum relative
humidity around the
compressor unit and
heat exchanger unit
Heating
50%
(a)
Cooling
80%
(a)
(a)
To avoid condensation and water dripping out of the unit. If
the temperature or the humidity is beyond these conditions,
safety devices may be put in action and the air conditioner
may not operate.
