Bosch Condens 8300i W Installation And Maintenance Instructions Manual page 20

Installation
▶ For splash water protection (IP): cut the strain relief to match the
diameter of the cable.
Fig. 26 Adapting the strain relief to the cable diameter
ON/OFF
230V 230V
230V
IN OUT
IN
L N L N
Fig. 27 Terminal strip for external accessories
Symbol Function
Mains voltage
ON/OFF
230V
IN
L N
Power supply connection
230V
IN
L N
Power supply connection
230V
OUT
L N
Live switch
Frost thermostat connection
Without function
PC0
L N
Power supply for the DHW circulation
pump or heating pump (max. 100 W)
PW2
L N
downstream the low loss header in the
heating circuit without mixer
Power supply for cylinder primary
pump (max. 100 W) or external 3-way
PW1
L N
valve (with spring return)
Cylinder temperature sensor
connection
20
Ø 5-7
Ø 8-9
Ø 10-12
Ø 13-14
0010019570-001
PC0
L N LR LR FS FR L N
Description
On/Off-switch
External power supply
External modules (switched via On/Off switch)
Live return to the device
• k CH output demand
• j DHW output demand (active only when the optional permanently installed diverter
valve is connected)
No setting required in the service menu
DHW circulation pump
▶ Set the configuration of the DHW circulation pump with the service functions 3-C2 and 3-
C3.
Heating pump:
▶ Set hydraulic configuration heating circuit 1 with service function 2-A3 to 2.
▶ Set service function 2-A2.
▶ Guide the cable through the strain relief.
▶ Connect the cable to the terminal strip for external accessories (
Fig. 27).
▶ Secure the cable on the strain relief.
PW2 PW1 TW1 T0
L N L N 2 1 2 1
T1 LF0 I3 I1 BUS
2 1 2 1 2 1 2 1 2
Condens 8300i W – 6721841533 (2022/12)
1
0010041051-002