Daikin HXHD125A7V1B, Руководство по установке

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HXHD125A7V1B
VRVIII system indoor unit
4PW62584-1A – 11.2010
Installation manual
3
3. I
NTRODUCTION
3.1. General information
This installation manual concerns VRVIII indoor unit air to water
inverter heat pump units of the Daikin HXHD125 series.
These units are intended for indoor installation and aimed for
commercial and public buildings.
The unit is designed for floor standing heating operation.
HXHD125 units have a heating capacity of 14 kW.
The indoor units are designed to work in heating mode at indoor
ambient temperatures from 5°C to 30°C.
During heating operation, the unit can heat up the water to
temperatures of 25°C to 80°C.
3.2. Combination and options
The HXHD125 units can only be combined with an outdoor REYAQ
unit.
During heating operation, the unit can be combined with space
heating radiators (field supply), fan coil units (option or field supply) or
floor heating (field supply).
The remote controller with room thermostat functionality is standard
supplied with this unit to control your installation.
Domestic hot water tank (option)
An optional EKHTS(U)200AC or EKHTS(U)260AC domestic hot
water tank can be connected to the indoor unit. The domestic hot
water tank has a water volume of 200 l or 260 l.
Refer to the domestic hot water tank installation manual for further
details.
Heat pump convector (option)
An optional FWXV convector for heating operation can be connected
to this indoor unit.
Refer to the heat pump convector installation manual for further
details.
Remote controller (option)
An optional secondary EKRUAHT remote controller (with room
thermostat functionality) can be connected to the indoor unit.
Purpose is to provide the possibility to install the standard remote
controller near the unit (for service reasons), and install another
remote controller in another place (e.g. living room) to operate your
installation.
Refer to "Installation and connection of the remote controller" on
page 21 for further details.
Room thermostat (option)
An optional room thermostat EKRTR or EKRTW can be connected to
the indoor unit.
Refer to the room thermostat installation manual for further details.
Digital I/O PCB (option)
An optional EKRP1HBAA digital I/O PCB can be connected to the
indoor unit and be used to remotely monitor your system. This
address card offers 2 voltage free outputs and 1 high voltage
(230 V AC) output.
Refer to the operation manual of the indoor unit and to the digital I/O
PCB installation manual for more information.
Refer to the wiring diagram or connection diagram for connecting this
PCB to the unit.
Demand PCB (option)
An optional EKRP1AHTA demand PCB can be connected to the
indoor unit. This PCB is needed when Daikin room thermostat
EKRTR or EKRTW is installed or when multiple set point control is
used, and provides the communication with the indoor unit.
Refer to the demand PCB installation manual for further details.
Refer to the wiring diagram or connection diagram for connecting this
PCB to the unit.
3.3. Scope of the manual
This manual does NOT include the selection procedure and the water
system design procedure. Only some precautions and tips and tricks
about the design of the water circuit are given in a separate chapter
of this manual.
Once the selection is done and the water system is designed, this
manual describes the procedures for handling, installing and
connecting the HXHD125 unit. This manual has been prepared to
ensure adequate maintenance of the unit, and it will provide help if
problems occur.
3.4. Model identification
NOTICE
In case there is no instruction in the EKHTS(U)*AC
installation manual on how to connect the domestic hot
water tank to the HXHD125 unit, please follow the same
instruction as explained for the connection of the domestic
hot water tank to the EKHVMRD unit.
INFORMATION
If this option is installed it is not possible to use the remote
controller thermostat function.
INFORMATION
Refer to the installation manual of the outdoor unit for items
not described in this manual.
The operation of the indoor unit is described in the indoor
unit operation manual.
H X H D 125 A7 V1 B
For European market
1N~, 220-240 V, 50 Hz
Series
Identification of the unit capacity
Refrigerant R134a
High temperature floorstanding
Inverter
Hydro box