Daikin RXYTQ12U7YF [13/44] Accessory pipes diameters

Daikin RXYTQ8U7YF [13/44] Accessory pipes diameters
12 About the units and options
Installation and operation manual
13
RXYTQ8~16U7YF
VRV IV+ heat pump for high ambient temperatures
4P546223-1B – 2020.10
e Piping accessory bag
11.3 Accessory pipes: Diameters
Accessory pipes (mm) HP Øa Øb
Gas pipe
Front connection
ID Øa
ID Øb
Bottom connection
ID Øa
OD Øb
8 25.4 19.1
10 22.2
12 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
11.4 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)
2
1
3 (12.3 N·m)
2
a
b
12 About the units and options
12.1 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.
Unit weights
Model Total net weight (kg) Total gross weight (kg)
RXYTQ8 198 211
RXYTQ10 234 251
RXYTQ12 234 251
RXYTQ14 283 300
RXYTQ16 283 300
12.2 System layout
NOTICE
Design of the system must not be done at temperatures
below –15°C.
e
d
c c
b
f
a
a VRV IV Heat pump outdoor unit
b Refrigerant piping
c VRV direct expansion (DX) indoor unit
d User interface (dedicated depending on indoor unit type)
e User interface (wireless, dedicated depending on indoor
unit type)
f Cool/Heat changeover remote control switch
13 Unit installation
13.1 Preparing the installation site
13.1.1 Installation site requirements of the
outdoor unit
Mind the spacing guidelines. See the "Technical data" chapter.
CAUTION
Appliance not accessible to the general public, install it in a
secured area, protected from easy access.
This unit, both indoor and outdoor, is suitable for
installation in a commercial and light industrial
environment.

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