15 Technical data
Installer reference guide
86
ERLQ004~008CA + 08S18CA3VF
Daikin Altherma low temperature split
4P3662261 – 2014.01
4D077028 page 4
BLU
BRN
RED
BLK
WHT
KCR
KVR
X2M.8
X2M.7
PE
N
L
GND
PWM
A4P
X2M.28
X2M.14
X2M.1
X2M.2
X2M.3
X2M.2
X2M.4
X2M.1
X2M.4
X2M.1a
X2M.2a
X2M.3
X2M.2a
X2M.4
X2M.1a
X2M.4
X2M.32
X2M.33
X2M.4
X2M.32
X2M.33
X2M.1a
X2M.4
X2M.5
X2M.7
X2M.8
X2M.9
X2M.10
X25A.1
X25A.2
X16A.5
X16A.3
X2M.1
T1R
A7P
9
3
3
5
6
5
4
3
A3P
X11M
N
L
NC
N
6
6
5
A3P
X11M
9
8
8
3 4
NO
3
X3A:1
4
8
M1P
M1P
MS
3~
2
M2P
M
1~
M3S
M3S
M2S
M2S
13
X9M
14 13
14
10
9
X2M
5 6 7
X2M
8
8a
34
X2M
35
3
X2A:4
6
5
4
3
2
X25A:1
1
MS
3~
2
X16A:5
1
3
5
X1A:1
3
A1
A2
K1M
A1
A2
K2M
A1
A2
K3M
X17A:1
3
5
7
X24A:1
3
5
7
1
X1A:3
X19A:1 3 5
FU1
X26A:1 2 X31A:1
3
3/21/31
4/22/32
Q2L
3
X3A:1
X20A:1
3
5
X2A:1
X21A:1
3
X15A:1 3
E
X14A:1
3
K4R
KPR
FU2
X11A:3 1
X12A:3 1
X13A:3
1
K1R
K2R
K3R
K6R
3 5
X2M.4
X2M.3
X2M.28
X2M.13a
X2M.21
A1P
X2M
31
30
1
2
1
3
1 2 3
X1M
X1M
X6YA
X6Y
X6YB
N
L
X1M
2
1
3
1 2 3
X1M
X2M
30 31
COM
H
C
5
A3P
COM
H
C
6
A3P
3
4
32
33
2a
1a
2
1
X2M
Q2DI
X6YA
X6Y
X6YB
TR1
R1T
-t°
R1T
-t°
H
COM
C
L
PC
N
5
X1M
A3P
H
COM
C
L
PC
N
6
X1M
A4P
A3P
%H20
R1H
R1H
R1T
-t°
R2T
-t°
R1T
-t°
R2T
-t°
%H20
21
29
X2M
A1
A2
K5M
31
32
Q1L
11
12
1
only for wireless
On/OFF thermostat
NC valve
Switch
box
Switch box
OUTDOOR
UNIT
OUTDOOR
UNIT
DHW pump output
Max. load:
2 A (inrush) - 230 V AC
1 A (continuous)
Shut-off valve
Only for preferential kWh rate power supply (outdoor)
Use normal kWh rate power supply for indoor unit
Only for normal power supply (standard)
Indoor unit supplied from outdoor
only for floor
standing model
Add LWT zone
Heatpump convector
only for wireless
On/OFF thermostat
only for wired On/OFF thermostat
only for *9W
Main LWT zone
Heatpump convector
only for ext.
sensor
(floor or
ambient)
only for ext.
sensor
(floor or
ambient)
only for wired On/OFF thermostat
only for *04* and *08*
only for *16*
DHW pump
3 wire type
(SPST)
NO valve
only for domestic
hot water option
3 wire type
(SPDT)
domestic hot
water tank
only for
enamel
tank
option
only for
domestic hot
water option
1N~, 50 Hz
230 V AC
Normal kWh rate
power supply
only for domestic hot
water tank option
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)
A7P
Pump driver PCB (not applicable)
A8P
*
Demand PCB
B1L
Flow sensor
BSK
*
Solar pump station relay
DS1(A8P)
*
DIP switch
E1H
Backup heater element (1 kW)
E2H
Backup heater element (2 kW)
E3H
Backup heater element (3 kW)
E4H
*
Booster heater (3 kW)
F1B
Overcurrent fuse backup heater
F2B
*
Overcurrent fuse booster heater
F1T
Thermal fuse backup heater
F1U, F2U
*
Fuse 5 A 250 V for digital I/O PCB
FU1
Fuse T 6.3 A 250 V for PCB
PHC1
*
Optocoupler input circuit
K1M, K2M
Contactor backup heater
K3M
*
Contactor booster heater
K5M
Safety contactor backup heater (only for
*9W)
K*R
Relay on PCB
M1P
Main supply pump
M2P
#
Domestic hot water pump
M2S
#
2way valve for cooling mode
M3S
(*) 3way valve for floor heating/domestic hot
water
Q1DI, Q2DI
#
Earth leakage circuit breaker
Q1L
Thermal protector backup heater
Q2L
*
Thermal protector booster heater
R1T
Outlet water heat exchanger thermistor
R1T (A2P)
Ambient sensor user interface
R1T (A3P)
*
Ambient sensor On/OFF thermostat
R2T
Outlet backup heater thermistor
R2T
*
External sensor (floor or ambient)
R3T
Refrigerant liquid side thermistor
R4T
Inlet water thermistor
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
S6S~S9S
#
Digital power limitation inputs
SS1 (A4P)
*
Selector switch
T1R (A7P)
Rectifier bridge (not applicable)
TR1
Power supply transformer
X*M
Terminal strip
X*Y
Connector
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