Possible Options For The Outside Unit; Preparation; Overview: Preparation; Preparing Installation Site - Daikin VRV W T Serie Manual De Instalación

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3 .5 .5

Possible options for the outside unit

INFORMATION
Refer to the technical engineering data for the latest option
names.
Refrigerant branching kit
In case of heat pump system
Description
Refnet header
Refnet joint
In case of heat recovery system
Description
Refnet header
Refnet joint
For the selection of the optimal branching kit, please refer to
"4.3.3 To select refrigerant branch kits" on page
Outside multi connection piping kit
In case of heat pump system
Number of outside units
2
3
In case of heat recovery system
Number of outside units
2
3
Cool/heat selector
In order to control the cooling or heating operation from a central
location, the following option can be connected:
Description
Cool/heat change over switch
Cool/heat change over PCB
With optional fixing box for the
switch
INFORMATION
The cool/heat selector can only be used when the
refrigerant system is configured as heat pump system.
External control adaptor (DTA104A61/62)
To instruct specific operation with an external input coming from a
central control the external control adaptor can be used. Instructions
(group or individual) can be instructed for low noise operation and
power consumption limitation operation.
RWEQ96~432TATJU + RWEQ96~432TAYDU
VRV W T-Series water-cooled system air conditioner
4P484115-1A – 2017.10
Model name
KHRP26M22H9
KHRP26M33H9
KHRP26M72H9
KHRP26M73HU9
KHRP26A22T9
KHRP26A33T9
KHRP26M72TU9
KHRP26M73TU9
Model name
KHRP25M33H9
KHRP25M72H9
KHRP25M73HU9
KHRP25A22T9
KHRP25A33T9
KHRP25M72TU9
KHRP25M73TU9
12.
Model name
BHFP22T84U
BHFP22T126U
Model name
BHFP26T84U
BHFP26T126U
Model name
KRC19-26A6
BRP2A81
KJB111A
PC configurator cable (999482P3)
You can make several commissioning field settings through a
personal computer interface. For this option 999482P3 is required
which is a dedicated cable to communicate with the outside unit.
4

Preparation

4 .1

Overview: Preparation

This chapter describes what you have to do and know before going
on-site.
It contains information about:
▪ Preparing the installation site
▪ Preparing the refrigerant piping
▪ Preparing the water piping
▪ Preparing the electrical wiring
4 .2

Preparing installation site

4 .2 .1
Installation site requirements of the
outside unit
CAUTION
This unit is designed for indoor installation only.
▪ Provide required service space around the unit as stated in the
technical engineering book or in section
Outside unit" on page 42
of this manual.
▪ Ensure that the foundation is strong enough to support the weight
of the unit and the floor is flat to prevent vibration and noise
generation.
▪ Make sure the area is well ventilated. Do NOT block any
ventilation openings.
▪ Make sure the unit is level.
▪ Make sure to install the unit in a machine room that is free of
moisture. The unit is designed for indoor use only.
▪ Select the location of the unit in such a way that the sound
generated by the unit does not disturb anyone, and the location is
selected according the applicable legislation.
Do NOT install the unit in the following places:
▪ In potentially explosive atmospheres.
▪ In places where there is machinery that emits electromagnetic
waves. Electromagnetic waves may disturb the control system,
and cause malfunction of the equipment.
▪ In places where there is a risk of fire due to the leakage of
flammable gases (example: thinner or gasoline), carbon fibre,
ignitable dust.
▪ In places where corrosive gas (example: sulphurous acid gas) is
produced. Corrosion of copper pipes or soldered parts may cause
the refrigerant to leak.
▪ In places where a mineral oil mist, spray or vapour may be
present in the atmosphere. Plastic parts may deteriorate and fall
off or cause water leakage.
NOTE
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.
4 Preparation
"11.2 Service space:
Installation manual
9

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