Daikin VRV IV RXMLQ8T7Y1B Series, Installation And Operation Manual

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3 About the units and options
Installation and operation manual
6
RXYLQ10~14T7Y1B*
VRV IV system air conditioner
4P543426-1 – 2018.07
2.3 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 2 transportation stay mounting bolts.
2 Remove the transportation stay as shown in the figure below.
1
1
3 About the units and options
3.1 About the outdoor unit
This installation manual concerns the VRV IV, full inverter driven,
heat pump system.
Model line up:
Model Description
RXYLQ10~14 Single non-continuous heating model.
RXYLQ16~42 Multi non-continuous heating model
(consisting of 2 or 3 modules).
Depending on the type of outdoor unit which is chosen, some
functionality will or will not exist. It will be indicated throughout this
installation manual and brought to your attention. Certain features
have exclusive model rights.
These units are intended for outdoor installation and aimed for heat
pump applications including air to air and air to water applications.
These units have (in single use) heating capacities ranging from
31.5 to 45 kW and cooling capacities rating from 28 to 40 kW. In
multi combination the heating capacity ranges from 50 to 135 kW
and cooling capacity ranges from 45 to 120 kW.
The outdoor unit is designed to work in heating mode at ambient
temperatures from –25°C WB to 15.5°C WB and in cooling mode at
ambient temperatures from –5°C DB to 43°C DB.
3.2 System layout
NOTICE
Design of the system must not be done at temperatures
below –15°C.
g
c
g g
h
g g
c c c d
f
e b
i
a
a VRV IV Heat pump outdoor unit
b Refrigerant piping
c VRV direct expansion (DX) indoor unit
d VRV LT Hydrobox (HXY080/125)
e BP box (required to connect Residential Air (RA) or Sky Air
(SA) direct expansion (DX) indoor units)
f Residential Air (RA) direct expansion (DX) indoor units)
g User interface (dedicated depending on indoor unit type)
h User interface (wireless, dedicated depending on indoor
unit type)
i Cool/heat changeover remote control switch
4 Preparation
4.1 Preparing the installation site
4.1.1 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.
NOTICE
This is a class A product. In a domestic environment this
product may cause radio interference in which case the
user may be required to take adequate measures.