Daikin VRV 5 RXYA8A7Y1B, Инструкция по установке и эксплуатации

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15 | About the units and options
Installer and user reference guide
63
RYMA5+RXYA8~20A7Y1B
VRV 5 heat pump
4P749918-1 – 2023.12
Description Model name
Refnet joint KHRQ22M20TA (inch)
KHRQ22M29T9 (inch)
KHRA22M65T (inch)
KHRQM22M20T (mm)
KHRQM22M29T (mm)
KHRAM22M65T (mm)
For the selection of the optimal branching kit, please refer to "18.1.5 To select
refrigerant branch kits" [
4
93].
Outdoor multi connection piping kit
Number of outdoor units Model name
2 BHFA22P1007 (inch)
BHFAM22P1007 (mm)
Heater tape kit
To keep the drain holes free in cold climates with high humidity, you can install a
heater tape kit.
Description Model name
Heater tape kit for 5~12 HP EKBPH012TA
Heater tape kit for 14~20 HP EKBPH020TA
See also: "17.1.2 Additional installation site requirements of the outdoor unit in
cold climates" [
4
85].
Demand PCB (DTA104A61/62*)
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.
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 EKBRP2A81
With optional fixing box for the switch KJB111A
External control adaptor (DTA109A51*)
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.