Daikin RXYTQ8T7YF, Installer And User Manual

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4 About the units and options
Installer and user reference guide
8
RXYTQ8~16T7YF
VRV IV system air conditioner
4P388989-1B – 2016.02
d Installation information sticker
e Piping accessory bag
3.4 Accessory pipes: Diameters
Accessory pipes (mm) HP Øa Øb
Gas pipe
▪ Front connection
ID Øa
ID Øb
▪ Bottom connection
ID Øa
OD Øb
8 19.1
10 25.4 22.2
12 25.4 28.6
14
16
Liquid pipe
▪ Front connection
ID Øb
ID Øa
▪ Bottom connection
ID Øb
ID Øa
8 9.5
10
12 9.5 12.7
14 12.7
16
3.5 To remove the transportation stay
Only for 14+16 HP
NOTICE
If the unit is operated with the transportation stay attached,
abnormal vibration or noise may be generated.
The transportation stay installed over the compressor leg for
protecting the unit during transport must be removed. Proceed as
shown in the figure and procedure below.
1 Slightly loosen the fixing nut (a).
2 Remove the transportation stay (b) as shown in the figure
below.
3 Tighten the fixing nut (a) again.
1
3 (12.3 N·m) 3 (12.3 N·m)
2 2
1
a
b
4 About the units and options
4.1 Overview: About the units and
options
This chapter contains information about:
▪ Identification of the outdoor unit.
▪ Where the outdoor unit fits in the system layout.
▪ With which indoor units and options you can combine the outdoor
units.
▪ Which outdoor units have to be used as standalone units, and
which outdoor units can be combined.
4.2 Identification label: Outdoor unit
Location
10~16 HP 8 HP
Model identification
Example: R X Y T Q 8 T7 YF [*]
Code Explanation
R Outdoor air cooled
X X=Heat pump (no continuous heating)
Y Y=Pair module only
T High ambient (tropical) standard grade
Q Refrigerant R410A
8 Capacity class
T7 Model series
YF Power supply: 3N~, 380-415 V, 50 Hz
Power supply: 3N~, 400 V, 60 Hz
[*] Minor model change indication
4.3 About the outdoor unit
This installation manual concerns the VRV IV, full inverter driven,
heat pump system.
Model line up:
Model Description
RXYTQ8~16 Single non-continuous heating model.
RXYTQ18~48 Multi non-continuous heating model
(consisting of 2 or 3 RXYTQ modules).
These units are intended for outdoor installation and aimed for heat
pump air to air applications.
These units have (in single use) heating capacities ranging from 25
to 50 kW and cooling capacities rating from 22.4 to 45 kW. In multi
combination the heating capacity can go up till 150 kW and in
cooling till 135 kW.
The outdoor unit is designed to work in heating mode at ambient
temperatures from –20°C WB to 15.5°C WB and in cooling mode at
ambient temperatures from –5°C DB to 52°C DB.
4.4 System layout
NOTICE
Design of the system must not be done at temperatures
below –15°C.