Daikin altherma 3 M Service Manual page 324

6 | Technical data
Digital I/O PCB
CN1
SS1
1 3
ON
OFF
1 F2U F1U
KCR
KFR KHR KHUR
X1 X2 X3 X4 YC Y1 Y2
Alarm output
Max. load
X2M
0.3 A - 250 V AC
A1P/X28A.1
9
X2M.13
8
7
L N
Ext. heat source
Max. load 0.3 A - 250 V AC
Min. load 20 mA - 5 V DC
Options: ext. heat source output, alarm output
X2M
A1P/X28A.1
9
X2M.13
8
7
Space C/H
On/OFF output
Max. load 0.3 A - 250 V AC
Options: On/OFF output
Only for digital I/O PCB option
Service manual
324
Hydro module
INFORMATION
The diagrams shown in this manual may be incorrect due to changes/updates to the
unit. Correct diagrams are supplied with the unit and can also be found in the
technical data book.
SWB1
A4P
CN2 1
2
3
4
5
6
PHC1
Y3 Y4
230V AC
Control Device
L1 N1 L2 N2
SWB1
X10M X5M
1 2 3 4 10 9 6 5
1
K1A K2A
A1 A1
A2 A2
Smartgrid
contacts
for HV smartgrid
1
for LV smartgrid
1 1
Preferential kWh Electric pulse
rate power supply meter input:
contact: 12 V DC pulse
16 V DC detection detection
(voltage supplied (voltage supplied
by PCB) by PCB)
for HP tarrif
B1PW
1 2
X33A
X60A
1
1 2 3 4
2
3
4
5
6
X40A
1
2
3
4
5
6
7
8
X5M
14 13 4 3
SWB1
2 3
Smartgrid
PV power
pulse meter
for smartgrid
1 2
X48A
2 3
Q4L
X5M
15 16
Safety thermostat
X80A
contact:
16 V DC detection
(voltage supplied
Electric pulse
by PCB)
meter input:
12 V DC pulse
detection
(voltage supplied
by PCB)
for safety
thermostat
Only for demand PCB option
X7Y
3
A1P
X5A
1
2
X6A
1
2
X7A
1
2
X8A
1
2
X9A
1
2
X34A
1
2
3
1 2 3 4 5 6
X85A
A8P
2 3 4 5 6 7 8 9 10 11 12
1
DS1
ON
OFF
X801M
1 2 3 4 5
1 2 3 4
Power limitation
digital inputs:
12 V DC / 12 mA detection
(voltage supplied by PCB)
EBLA09~16DA + EDLA09~16DA
R1T
-t°
For internal BUH model
4
R2T
-t°
For external BUH option
X5M
4
1 X15M.1
2 X15M.2
R3T
-t°
R4T
-t°
R5T
-t°
Only for domestic
hot water option
1
2
3
B1L
4
5
4D124072C
Daikin Altherma 3 M
ESIE20-06A – 2021.03