Daikin RYYQ8U7Y1B, Installer And User Manual

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15 | About the units and options
Installer and user reference guide
58
RYYQ+RYMQ+RXYQ
VRV IV+ heat pump
4P546228-1C – 2021.11
Non-continuous heating Continuous heating
RXYQ54 = 18 + 18 RYYQ54 = 18 + 18
15.5.4 Possible options for the outdoor unit
INFORMATION
Refer to the technical engineering data for the latest option names.
Refrigerant branching kit
Description Model name
Refnet header KHRQ22M29H
KHRQ22M64H
KHRQ22M75H
Refnet joint KHRQ22M20T
KHRQ22M29T9
KHRQ22M64T
KHRQ22M75T
For the selection of the optimal branching kit, please refer to "17.1.4 To select
refrigerant branch kits" [
4
73].
Outdoor multi connection piping kit
Number of outdoor units Model name
2 BHFQ22P1007
3 BHFQ22P1517
Cool/heat selector
In order to control the cooling or heating operation from a central location, the
following option can be connected:
Description Model name
Cool/heat changeover switch KRC19-26A
Cool/heat changeover PCB BRP2A81
With optional fixing box for the switch KJB111A
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/ .