Valve Kit Necessity - Daikin EWAQ004BAVP Installer's Reference Manual

Electrical connection diagram
Notes:
- In case of signal cable: keep minimum distance
to power cables > 5 cm
- Available heaters: see combination table
Power supply
Only for normal power supply installation
1
3 core
unit power supply: 230 V + earth
Only for preferential kWh rate power supply installation
1
unit preferential kWh rate power supply:
3 core
230 V + earth
2 core
normal kWh rate power supply for unit: 230 V
2 core
2x0.75
Preferential kWh rate power supply contact
Field supply
2 core
Shut-off valve
230V
Optional part
Valve kit
230V
Backup heater power supply (3/6/9 kW): 400 V or 230 V + earth
BUH option
F1B: L1-L2-L3
or L-N + earth
2 core
X15M: 1-2
signal
2 core
X15M: 3-4
signal
2 or 3 core
X15M: 5-6-7
signal
3 core
Control box power supply: 230 V + earth
Power supply
14.3

Valve kit necessity

For reversible systems (heating+cooling) in which a backup heater is installed, the installation of valve kit EKMBHBP1 is required if
condensation is expected inside the backup heater.
EWAQ+EWYQ004+005BAVP
Packaged air-cooled water chillers and packaged air to water heat
pumps
4P492900-1 – 2017.06
Standard part
Minichiller unit
X4M: L-N-earth
X3M: 5-6
X5M: 5-6
Optional
part
Control box
X2M: 9-10
2
X2M: 1-2-1a
X2M: 5-6
2
X2M: 12-11
X2M: 1-2-1a
X8M: 4-5
X2M: 13-14-15
A4P: X5A: 1-2-3
X1M: L-N-PE
Typical configuration
Control
Box
Control
Box
Optional part
2 core Only for EKRSCA1
External outdoor thermistor
signal
2 core
2x0.75
communication
External room thermostat
(main zone)
3 core for C/H operation
Only for *KRTW
2 core for C only operation
(wired room thermostat)
A3P: X1M: C-com-H
signal
5 core for C/H operation Only for *KRTR
4 core for C only operation (wireless room thermostat)
A7P: X1M: H-C-com
A3P: X1M: 1-3
X2M: L-N
230 V
Field supply Optional part
Option box
Power limitation
2 core
X2M: 5-6
demand input 1
signal
Power limitation 2 core
X2M: 3-4
demand input 2
signal
Power limitation
2 core
X2M: 1-2
demand input 3
signal
Power limitation
2 core
X2M: 11-12
demand input 4
signal
3 core
A4P: X5A: 1-2-3
communication
3 core
X1M: L-N-PE
230 V
14 Technical data
2 low voltage wires
Standard: 4 low voltage wires
Optional: 4 high voltage wires
Only for EWYQ*
BUH Standard: 4 low voltage wires
Optional: 5 high voltage wires
Valve kit
Inside: 6 or 7 wires to BUH
Valve kit: 3 wires
Standard part
A5P: P1-P2 user interface
Only for *KRUCB*
2 core
2x0.75
communication
A5P: P1-P2 user interface
Optional part
Optional part
2 core
Only for *KRTETS
(3m included)
R2T
External sensor
signal
(floor or ambient)
Field supply
2 core
Alarm Output
X2M: 13-15
signal
2 core
X8M: 3-4
Ext. heat source (eg boiler)
230 V
2 core
Space cooling/heating
X8M: 1-2
On/OFF output
230 V
2 core
Electricity pulse
X2M: 7-8
meter input 1
signal
2 core
Electricity pulse
X2M: 9-10
meter input 2
signal
2 core
External indoor thermistor
X2M: 1a-2a
signal
Only for KRCS01-1
Installer reference guide
4D108909
81