
14 Technical data
Installer reference guide
91
ERHQ+ERLQ011~016 + 16CBV
Daikin Altherma – Low temperature split
4P449970-1 – 2016.06
14.5
Wiring diagram: Indoor unit
See the internal wiring diagram supplied with the unit (on the inside of the indoor unit switch box cover). The abbreviations used are listed
below.
Notes to go through before starting the unit
English
Translation
Notes to go through before
starting the unit
Notes to go through before
starting the unit
X1M
Main terminal
X2M
Field wiring terminal for AC
X3M
Backup heater terminal
X4M
Anti-legionella heater terminal
X5M
Field wiring terminal for DC
Earth wiring
15
Wire number 15
Field supply
**
/12.2
Connection ** continues on page
12 column 2
1
Several wiring possibilities
Option
Not mounted in switch box
Wiring depending on model
PCB
User installed options
User installed options
Anti-legionella heater
Anti-legionella heater
Backup heater
Backup heater
Bottom plate heater
Bottom plate heater
Domestic hot water tank
Domestic hot water tank
Domestic hot water tank with
solar connection
Domestic hot water tank with
solar connection
Remote user interface
Remote user interface
Ext. indoor thermistor
External indoor thermistor
Ext outdoor thermistor
External outdoor thermistor
Digital I/O PCB
Digital I/O PCB
Demand PCB
Demand PCB
Solar pump and control station
Solar pump and control station
Main LWT
Main leaving water temperature
On/OFF thermostat (wired)
On/OFF thermostat (wired)
On/OFF thermostat (wireless)
On/OFF thermostat (wireless)
Ext. thermistor
External thermistor
Heat pump convector
Heat pump convector
Add LWT
Additional leaving water
temperature
On/OFF thermostat (wired)
On/OFF thermostat (wired)
On/OFF thermostat (wireless)
On/OFF thermostat (wireless)
Ext. thermistor
External thermistor
Heat pump convector
Heat pump convector
Position in switch box
English
Translation
Position in switch box
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
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
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
Содержание Altherma ERHQ011-014-016BA
Страница 105: ......
Страница 106: ......
Страница 107: ......
Страница 108: ...4P449970 1 2016 06 Copyright 2016 Daikin ...