Daikin EBLQ05+07CAV3 Installer's Reference Manual page 103

Control box option: option box
A4P/X5A.1
A4P/X5A.2
A4P/X5A.3
X1M/L
X1M/N
X1M/PE
Control box
Option box
L
X1M N
X8M
1 2 3 4 5
Space C/H ON/OFF output Ext. heat source
Max. voltage 250V AC Max. voltage 250V AC
Max. load 3A Max. load 3A
Min. load 10mA Min. load 10mA
A1P Main PCB
A2P Current loop PCB
A3P * On/OFF thermostat (PC=power circuit)
A3P * Heat pump convector
A4P * Extension PCB (control, optional)
A5P User interface PCB
A7P * Receiver PCB (wireless On/OFF thermostat)
DS1 (A4P) * DIP switch
B1L Flow sensor
E1H Backup heater element (1 kW)
E2H Backup heater element (2 kW)
E3H Backup heater element
E4H Booster heater (3 kW)
E6H Plate heat exchanger heater tape
E7H Expansion vessel heater
F1B * Overcurrent fuse backup heater
F2B * Overcurrent fuse booster heater
F1T, F2T * Thermal fuse backup heater
F1U (A4P) Fuse T 2 A 250 V
F2U (A4P) Fuse T 2 A 250 V for 3‑way valve
FU1 (A1P) Fuse T 6.3 A 250 V
FU2 (A1P) Fuse T 6.3 A 250 V
EBLQ05+07CAV3 + EDLQ05+07CAV3 + EKCB07CAV3 +
EK2CB07CAV3 + EKMBUHCA3V3 + EKMBUHCA9W1
Daikin Altherma low temperature monobloc
4P405544-1 – 2015.03
X5A
1 2 3
GND
X1A
F1U
5
+12V
4
3
2
1
X2A
F2U
1
1 2 3 4 5 6 7 8
2
3
X2M 5 6 3 4 1 2 1a 2a
S1P S2P S3P
Power limitation digital inputs:
5 V DC detection
(voltage supplied by PCB)
DS1
ON
OFF
8 7 6 5 4 3 2 1
1 2 3 4 5 6
X3A X4A
X2M
7 8 9 10 11 12
1 2
R6T
S5P S6P
-t°
Electric pulse meter inputs:
external indoor ambient
5 V DC pulse detection
sensor option
(voltage supplied by PCB)
K1R * Backup heater relay (step 1)
K2R * Backup heater relay (step 2)
K1M * Contactor backup heater (step 1)
K2M * Contactor backup heater (step 2)
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
M3S 3-way valve for domestic hot water
Q*DI # Earth leakage circuit breaker
Q1L * Thermal protector backup heater
Q2L * Thermal protector booster heater
R1T (A1P) Outlet water heat exchanger thermistor
R1T (A5P) Ambient sensor user interface
R1T (A3P) * Ambient sensor On/OFF thermostat
R2T * Outlet backup heater thermistor
R2T (A3P) * External sensor (floor or ambient)
R3T (A1P) Refrigerant liquid side thermistor
R4T (A1P) Inlet water thermistor
R5T * Domestic hot water thermistor
14 Technical data
A4P
1 2 3
X14A
13 14 15
Alarm output
Max. load 150mA - 12 V DC
S4P
Power limitation
digital input :
5 V DC detection
(voltage supplied by PCB)
4D094176-1A_Page 10
Installer reference guide
103