Johnson AURUM R290 M Serie Guide D'utilisation page 85

DHW pump P_d:
CN11
Power supply
7 5 3 1
KM5
8 6 4
Voltage
Maximum running current (A)
2
Minimum wire size (mm )
Control port signal type
6.5.4 Wiring of alarm or defrost run
(P_x)
2324
CN11
C1
Power supply
7 5 3 1
KM6
8 6 4
Alarm or Defrost
P_d
12
23
C1
A1
A2
2
220-240 V AC
0.2
0.75
Type 2
P_x
A1
A2
2
28
Voltage
Maximum running current (A)
2
Minimum wire size (mm )
Control port signal type
6.5.5 Wiring of tank booster heater
(TBH)
1 7
13
CN11
TBH C1
Power supply
7 5 3 1
A1
KM7
A2
8 6 4 2
TCO
ATCO
NOTE
TCO: Manual reset thermal protector.
ATCO: Auto reset thermal protector.
6.5.6 Wiring of external IBH box
NOTE
This is optional part, for more information, see
the INSTALLATION, OPERATION AND
MAINTENANCE MANUAL and installation
manual of external IBH box.
If the DIP switch corresponding to the backup
heater is set to INTERNAL (refer to the Wiring
Diagram), C3 or C4 fault would appear after
backup heater running.
220-240 V AC
0.2
0.75
Type 2
TBH
V.1