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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
Содержание Altherma EHVH/X11+16S18CB
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