14
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About the box
Installer and user reference guide
57
RYMA5+RXYA8~20A7Y1B
VRV 5 heat pump
4P749918-1 – 2023.12
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
14.3 Accessory pipes: Diameters
Accessory pipes
HP
Øa [mm]
Øb [mm]
Gas pipe
▪
Front connection
ID Øa
ID Øb
▪
Bottom connection
ID Øa
OD Øb
5
19.1
19.1
8
10
12
22.2
14
16
28.6
18
20
Liquid pipe
▪
Front connection
ID Øb
ID Øa
▪
Bottom connection
ID Øb
ID Øa
5
9.5
9.5
8
10
12
12.7
14
12.7
16
18
20
Equaliser pipe
▪
Front connection
ID Øa
ID Øb
▪
Bottom connection
ID Øa
OD Øb
5~12
25.4
19.1
14.4 To remove the transportation stay (only for 5~12 HP)
NOTICE
If the unit is operated with the transportation stay attached, abnormal vibration or
noise may be generated.
The transportation stay for protecting the unit during transport must be removed.
Proceed as shown in the figure and procedure below.
1
Remove the bolt (a) and washers.
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