3 About the box
Installer and user reference guide
8
RWEYQ8~1 RWEYQ8~14T9Y1B
VRV IV water-cooled system air conditioner
4P452191-1 – 2017.04
3
4×
3.3
To remove the accessories from
the outdoor unit
3
1
2
4
2×
Make sure that all accessories are available in the unit.
1×
1×
1×
1×
1×
a
b
c
d
e
1×
1×
1×
1×
f
g
h
i
a
General safety precautions
b
Installation manual and operation manual
c
Additional refrigerant charge label
d
Installation information sticker
e
Fluorinated greenhouse gases label
f
Multilingual fluorinated greenhouse gases label
g
Piping accessory bag
h
Hose
i
Water filter
3.4
Accessory pipes: Diameters
Accessory pipes
(mm)
HP
Øa
Øb
Øc
Ød
Liquid pipe
▪ Front connection
(a)
Øa
Øb
▪ Top connection
Øc
Ød
8
12.7
12.7
12.7
9.5
10
12
12.7
14
Gas pipe
▪ Front connection
(a)
Øa
Øb
▪ Top connection
Øc
Ød
8
25.4
25.4
25.4
19.1
10
22.2
12
28.6
14
High pressure/Low
pressure gas pipe
▪ Front connection
(a)
Øa
Øb
▪ Top connection
Øc
Ød
8
25.4
25.4
25.4
15.9
10
19.1
12
14
22.2
(a)
Braze the straight accessory pipe onto the L-shaped
accessory pipe in order to get the correct diameter to
connect the field pipes (for front connection).
3.5
To remove the transportation stay
NOTICE
If the unit is operated with the transportation stay attached,
abnormal vibration or noise may be generated.
The compressor transportation stay must be removed. It is installed
under the compressor leg in order to protect the unit during
transport. Proceed as shown in the figure and procedure below.
1
Remove the bolt.
2
Lift the insulation to access the compressor mounting bolt.
3
Slightly loosen the mounting bolt.
4
Remove the transportation stay as shown in the figure below.
5
Tighten the mounting bolt to 12.3 N•m of torque.
