Daikin Altherma EHVH/X11+16S18CB - Page 93

14 Technical data
Installer reference guide
93
ERHQ+ERLQ011~016 + EHVH/X11+16S18+26CB
Daikin Altherma – Low temperature split
4P384975-1C – 2018.02
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
CN1-2, X*A
X1H, X*Y
Connector
X*M Terminal strip
*: Optional
(*): Standard for EHVH/X, optional for EHBH/X
#: Field supply
Colours
BLK Black
BRN Brown
GRY Grey
RED Red
Translation of text on wiring diagram
English Translation
(1) Main power connection (1) Main power connection
For preferential kWh rate power
supply
For preferential kWh rate power
supply
Indoor unit supplied from outdoor Indoor unit supplied from outdoor
Normal kWh rate power supply Normal kWh rate power supply
Only for normal power supply
(standard)
Only for normal power supply
(standard)
Only for preferential kWh rate
power supply (outdoor)
Only for preferential kWh rate
power supply (outdoor)
Outdoor unit Outdoor unit
Preferential kWh rate power
supply contact: 16 V DC
detection (voltage supplied by
PCB)
Preferential kWh rate power
supply contact: 16VDC
detection (voltage supplied by
PCB)
Use normal kWh rate power
supply for indoor unit
Use normal kWh rate power
supply for indoor unit
(2) Backup heater power supply (2) Backup heater power supply
Only for *** Only for ***
(3) User interface (3) User interface
Only for remote user interface
option
Only for remote user interface
option
Switch box Switch box
(4) Domestic hot water tanks (4) Domestic hot water tanks
3 wire type SPST 3 wire type SPST
Booster heater power supply Booster heater power supply
Only for *** Only for ***
Only for wall-mounted models Only for wall-mounted models
Switch box Switch box
(5) Ext. thermistor (5) External thermistor
Switch box Switch box
(6) Field supplied options (6) Field supplied options
12 V DC pulse detection (voltage
supplied by PCB)
12VDC pulse detection (voltage
supplied by PCB)
English Translation
230 V AC supplied by PCB 230VAC supplied by PCB
Continuous Continuous current
DHW pump output Domestic hot water pump output
DHW pump Domestic hot water pump
Electrical meters Electrical meters
For safety thermostat For safety thermostat
Inrush Inrush current
Max. load Maximum load
Normally closed Normally closed
Normally open Normally open
Safety thermostat contact: 16 V
DC detection (voltage supplied
by PCB)
Safety thermostat contact:
16VDC detection (voltage
supplied by PCB)
Shut-off valve Shut-off valve
SWB Switch box
(7) Option PCBs (7) Option PCBs
Alarm output Alarm output
Changeover to ext. heat source Changeover to external heat
source
If no bottom plate heater If no bottom plate heater
Max. load Maximum load
Min. load Minimum load
Only for bottom plate heater Only for bottom plate heater
Only for demand PCB option Only for demand PCB option
Only for digital I/O PCB option Only for digital I/O PCB option
Only for solar pump station Only for solar pump station
Options: bottom plate heater OR
On/OFF output
Options: bottom plate heater OR
On/OFF output
Options: ext. heat source output,
solar pump connection, alarm
output
Options: external heat source
output, solar pump connection,
alarm output
Outdoor unit Outdoor unit
Power limitation digital inputs: 12
V DC / 12 mA detection (voltage
supplied by PCB)
Power limitation digital inputs:
12VDC / 12mA detection
(voltage supplied by PCB)
Refer to operation manual Refer to operation manual
Solar pump connection Solar pump connection
Space C/H On/OFF output Space cooling/heating On/OFF
output
Switch box Switch box
To bottom plate heater To bottom plate heater
(8) External On/OFF thermostats
and heat pump convector
(8) External On/OFF thermostats
and heat pump convector
Additional LWT zone Additional leaving water
temperature zone
Main LWT zone Main leaving water temperature
zone
Only for external sensor (floor/
ambient)
Only for external sensor (floor or
ambient)
Only for heat pump convector Only for heat pump convector
Only for wired thermostat Only for wired thermostat
Only for wireless thermostat Only for wireless thermostat