7 Technical data
Installation manual
19
EHBH/X04~16CA
Daikin Altherma - Low Temperature Split
4P313771-1C – 2012.11
7
Technical data
7.1
Wiring diagram
7.1.1
Wiring diagram – components: 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.
X6Y
A4P
A8P
X1M
X4M
F2B
F1B
X2M
X5M
Q1L
TR1
K3M
K5M
K2M
K1M
A1P
A7P
X7M
X6M
X4M
X6M, X7M
1
15
X5M
X2M
X1M
4D077028 page 1
T1R (A7P)
M1P
B1L
*
R1H (A3P)
FU1
F1T
E4H
E3H
E2H
*
E1H
R1T (A2P)
R4T
R3T
R2T
R1T
*
PHC1
#
M2P
*
F2B
F1B
K5M
TR1
Q1L
K1M, K2M
*
#
#
#
#
*
(*)
*
*
*
X*Y
X*M
SS1 (A4P)
S6S-S9S
S3S
S2S
S1S
R6T
R5T
R2T
R1T (A3P)
Q2L
A7P
#
#
Q1DI, Q2DI
K*R
M3S
(*)
M2S
K3M
*
F1U, F2U
*
DS1 (A8P)
*
*
BSK
*
A8P
A4P
*
*
A4P
*
*
*
A3P
A3P
A3P
A2P
A1P
Domestic hot water tank
with solar connection
rectifier bridge (only for *16*)
main supply pump
flow sensor
humidity sensor
fuse T 6.3 A 250 V for PCB
thermal fuse backup heater
booster heater (3 kW)
backup heater element (3 kW)
backup heater element (2 kW)
backup heater element (1 kW)
ambient sensor user interface
inlet water thermistor
refrigerant liquid side thermistor
outlet backup heater thermistor
outlet water heat exchanger thermistor
optocoupler input circuit
domestic hot water pump
overcurrent fuse booster heater
overcurrent fuse backup heater
safety contactor BUH (only *9W)
power supply transformer
thermal protector backup heater
contactor backup heater
# : field supply
connector
terminal strip
selector switch
digital power limitation inputs
electrical meter pulse input 2
electrical meter pulse input 1
preferential kWh rate PS contact
external indoor or outdoor
ambient thermistor
domestic hot water thermistor
external sensor (floor or ambient)
ambient sensor On/OFF thermostat
thermal protector booster heater
6T1 (3~, 230 V, 6 kW)
9WN (3N~, 400 V, 9 kW)
6WN (3N~, 400 V, 6 kW)
6V3 (1N~, 230 V, 6 kW)
3V3 (1N~, 230 V, 3 kW)
Backup heater
configuration
(only for *9W)
Ext. thermistor
Heat pump convector
On/OFF thermostat (wireless)
Add LWT:
On/OFF thermostat (wired)
Heat pump convector
Solar pump and control station
Demand PCB
Digital I/O PCB
Ext. outdoor thermistor
Ext. indoor thermistor
Remote user interface
Ext. thermistor
On/OFF thermostat (wireless)
Main LWT:
On/OFF thermostat (wired)
Domestic hot water tank
(*) : standard for *HV*, optional for *HB*
pump driver PCB (only for *16*)
POSITION IN SWITCH BOX
: Booster heater terminal
: Backup heater terminal
earth leakage circuit breaker
relay on PCB
3 way valve for floorheating/
domestic hot water
2 way valve for cooling mode
contactor booster heater
fuse 5 A 250 V for digital I/O PCB
dipswitch
solar pump station relay
demand PCB
receiver PCB (wireless
On/OFF thermostat)
digital I/O PCB
heat pump convector
On/OFF thermostat (PC=power circuit)
solar pumpstation PCB
user interface PCB
Bottom plate heater
* : optional
NOTES to go through before starting the unit
Translation can be found in the installation manual.
LEGEND
User installed options:
: Wiring depending on model
: Several wiring possibilities
: Connection ** continues on page 12 column 2
: PCB
: Not mounted in switch box
: Option
: Field supply
: Wire number 15
: Earth wiring
: Field wiring terminal for DC
: Field wiring terminal for AC
: Main terminal
Part n°
Description
main PCB
**/12.2
