Daikin VRV IV W+ Series Installer And User Reference Manual page 56

16 | About the units and options
Installer and user reference guide
56
In case of heat recovery system
Description
Refnet joint
Outdoor multi connection piping kit
In case of heat pump system
Number of outdoor units
2
3
In case of heat recovery system
Number of outdoor 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 changeover switch
Cool/heat changeover 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.
PC configurator cable (EKPCCAB*)
You can make several commissioning field settings through a personal computer
interface. For this option EKPCCAB* is required which is a dedicated cable to
communicate with the outdoor unit. The user interface software is available on
http://www.daikineurope.com/support-and-manuals/software-downloads/.
Demand PCB (EKRP1AHTA)
To enable the power saving consumption control by digital inputs you must install
the demand PCB.
For installation instructions, see the installation manual of the demand PCB and
addendum book for optional equipment.
Model name
KHRQ23M20T
KHRQ23M29T9
KHRQ23M64T
KHRQ23M75T
Model name
BHFQ22P1007
BHFQ22P1517
Model name
BHFQ23P907
BHFQ23P1357
Model name
KRC19-26A
BRP2A81
KJB111A
VRV IV water-cooled system air conditioner
RWEYQ8~14T9Y1B
4P452191-1B – 2020.10