Daikin Altherma EHVH08S18CBV Installation Manual page 21

English
User installed options
Anti-legionella heater
Backup heater
Bottom plate heater
Domestic hot water tank
Domestic hot water tank with
solar connection
Remote user interface
Ext. indoor thermistor
Ext outdoor thermistor
Digital I/O PCB
Demand PCB
Solar pump and control station
Main LWT
On/OFF thermostat (wired)
On/OFF thermostat (wireless)
Ext. thermistor
Heat pump convector
Add LWT
On/OFF thermostat (wired)
On/OFF thermostat (wireless)
Ext. thermistor
Heat pump convector
Position in switch box
English
Position in switch box
Legend
A1P Main PCB
A2P User interface PCB
A3P * Solar pump station PCB
A3P * On/OFF thermostat (PC=power circuit)
A3P * Heat pump convector
A4P * Digital I/O PCB
A4P * Receiver PCB (Wireless On/OFF
thermostat)
A5P Anode driver PCB
A8P * Demand PCB
BSK * Solar pump station relay
DS1(A8P) * DIP switch
F2B (*) Overcurrent fuse anti-legionella heater
F1U, F2U * Fuse 5 A 250 V for digital I/O PCB
K1 * Terminal strip
K3M (*) Contactor anti-legionella heater
K*R Relay on PCB
M2P # Domestic hot water pump
M2S # Shut-off valve
M3S (*) 3-way valve for floor heating/domestic hot
water
EHVH04+08S18CBV + EHVH08~16S26CBV
Daikin Altherma – Low temperature split
4P449977-1B – 2018.02
Translation
Option
Not mounted in switch box
Wiring depending on model
PCB
User installed options
Anti-legionella heater
Backup heater
Bottom plate heater
Domestic hot water tank
Domestic hot water tank with
solar connection
Remote user interface
External indoor thermistor
External outdoor thermistor
Digital I/O PCB
Demand PCB
Solar pump and control station
Main leaving water temperature
On/OFF thermostat (wired)
On/OFF thermostat (wireless)
External thermistor
Heat pump convector
Additional leaving water
temperature
On/OFF thermostat (wired)
On/OFF thermostat (wireless)
External thermistor
Heat pump convector
Translation
Position in switch box
PHC1 (A4P) * Optocoupler input circuit
Q*DI # Earth leakage circuit breaker
Q*L (*) Thermal protector anti-legionella heater
R1T (A3P) * Ambient sensor On/OFF thermostat
R2T * External sensor (floor or ambient)
R5T (*) Domestic hot water thermistor
R6T * External indoor or outdoor ambient
thermistor
R1H (A3P) * Humidity sensor
S1S # Preferential kWh rate power supply contact
S2S # Electrical meter pulse input 1
S3S # Electrical meter pulse input 2
S4S # Safety thermostat
S6S~S9S # Digital power limitation inputs
SS1 (A4P) * Selector switch
TR1 Power supply transformer
X*M Terminal strip
X*Y Connector
* = Optional
(*) = Standard for EHVH*, optional for EHBH*
# = Field supply
Translation of text on wiring diagram
English
(1) Main power connection
For preferential kWh rate power
supply
Indoor unit supplied from outdoor Indoor unit supplied from outdoor
Normal kWh rate power supply
Only for normal power supply
(standard)
Only for preferential kWh rate
power supply (outdoor)
Outdoor unit
Preferential kWh rate power
supply contact: 16 V DC
detection (voltage supplied by
PCB)
Use normal kWh rate power
supply for indoor unit
(2) User interface
Only for remote user interface
option
SWB
(3) Ext. thermistor
SWB
(4) Field supplied options
230 V AC supplied by PCB
5 V DC pulse detection (voltage
supplied by PCB)
Continuous
DHW pump
DHW pump output
Electrical meters
For safety thermostat
Inrush
Max. load
8 Technical data
Translation
(1) Main power connection
For preferential kWh rate power
supply
Normal kWh rate power supply
Only for normal power supply
(standard)
Only for preferential kWh rate
power supply (outdoor)
Outdoor unit
Preferential kWh rate power
supply contact: 16 V DC
detection (voltage supplied by
PCB)
Use normal kWh rate power
supply for indoor unit
(2) User interface
Only for remote user interface
option
Switch box
(3) External thermistor
Switch box
(4) Field supplied options
230 V AC supplied by PCB
5 V DC pulse detection (voltage
supplied by PCB)
Continuous current
Domestic hot water pump
Domestic hot water pump output
Electrical meters
For safety thermostat
Inrush current
Maximum load
Installation manual
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