9
External connection diagrams
9 - 1
External Connection Diagrams
EGSAH-D9W
EGSAX-D9W
EGSAX-D9WG
9
POWER SUPPLY
Only for preferential kWh rate unit power supply installation
normal kWh rate power supply for indoor unit: 230 V + earth
POWER SUPPLY
Only for single cable power supply
Only for combined 3F power supply installation
BUH & compressor power supply: 400 V + earth
Only for combined 1F power supply installation
BUH & compressor power supply: 230 V + earth
Only for dual cable power supply
Only for split 3F/1F power supply installation
BUH power supply: 400 V + earth
Only with EKGSPOWCAB
Compressor power supply: 230 V + earth
Only for split 1F/1F power supply installation
BUH power supply: 230 V + earth
Only with EKGSPOWCAB
Compressor power supply: 230 V + earth
FIELD SUPPLY
Only for preferential kWh rate power supply installation
Preferential kWh rate power supply contact
Safety thermostat Q4L
OPTIONAL PART
Only for EKCSENS
Current sensors
FIELD SUPPLY
Drain pump
Only for pressure loss detection
Low brine pressure switch S1PL
FIELD SUPPLY
Power limitation
demand input 1
Power limitation
demand input 2
Power limitation
demand input 3
Power limitation
demand input 4
32
Electrical connection diagram Daikin Altherma Ground Source
For more details: please check unit wiring
Standard parts
INDOOR UNIT
3 core
5-6-earth
5 core
5 core
Changeover to ext. heat
5 core
3 core
5 core
3 core
NO valve:
NC valve:
2 core
4 core
signal
main:
add:
2 core
230 V
main:
2 core
add:
signal
main:
Only for EKRP1AHTA
add:
2 core
signal
2 core
signal
2 core
signal
2 core
signal
2 core
Outdoor ambient sensor
signal
FIELD SUPPLY
Only for EKRP1HB*
2 core
alarm indication
230 V
Alarm output
Alarm output
2 core
Ext. heat source (eg boiler)
signal
source output
2 core
Space heating
On/OFF output
230 V
Space heating
On/OFF output
2 core
Circulation pump
for DHW
230 V
SHUT OFF VALVE
2 core
main zone
shut off valve
230 V
2 core
Electricity meter
pulse input 1
signal
2 core
Electricity meter
pulse input 2
signal
Only for KRCS01-1
2 core
External indoor
ambient thermistor
signal
EXTERNAL ROOM THERMOSTAT / HEAT PUMP CONVECTOR
(main and/or additional zone)
Only for EKRTW
3 core for C/H operation
2 core for H only operation
(wired room thermostat)
signal
Only for EKRTR
5 core for C/H operation
(wireless room thermostat)
4 core for H only operation
signal
Only for
(heat pump convector)
4 core
signal
2 core
Only for BRC1HHDA*
A2P: P1-P2 user interface
communication
Router for LAN adapter
ethernet
Daikin Altherma ground source heat pump
NOTE:
- in case of signal cable:
keep minimum distance to
power cables > 5 cm
OPTIONAL PART
OPTIONAL PART
2 core
Only for EKRTETS
(3m included)
External sensor
signal
(floor of ambient)
OPTIONAL PART
FIELD SUPPLY
4D121919
EGSAH-D9W / EGSAX-D9W / EGSAX-D9WG