Cable Preparations - Worcester Greenstar 8000 Life Installation And Maintenance Instructions Manual

Symbol Function
No functionality; not used
PC0
L N
No functionality; not used
PW2
L N
No functionality; not used
PW1
L N
Table 13 Power supply (power cables) terminal strip for external
accessories
Low voltage (signal cables) terminal strip
ON/OFF
230V 230V
2 230V 2
IN OUT
PC0
IN
L N L N L N LR LR FS FR L
TW1 T0
2 1 2 1
Fig. 59 Low voltage (signal cables) terminal strip
Low voltage (signal cables) connections
Symbol Function
Low-loss header temperature sensor
DHW solar pre-heat accessory
Outdoor weather compensation sensor (used when
accessory outdoor sensor is connected)
▶ Connect the outside temperature sensor.
Auto filling link contact
▶ Connect the auto filling link cable.
▶ Switch on the automatic filling with service function
4-d0 and program it according to the heating
system.
Without function
On/Off thermostat input
External control system with EMS bus control,
Worcester intelligent wall mounted controls.
BUS
▶ Connect 2 core cable.
2 1
Table 14 Low voltage (signal cables) terminal strip for external
accessories
Connecting the automatic filling (accessory)
▶ Flip down the control unit( Fig. 56).
▶ Plug cables to solenoid valve.
Cables are not polarity sensitive.
Greenstar 8000 Life – 6720883865 (2021/11)
PW2 PW1 TW1 T0 T1 LF0 I3 I1
L N L N 1 1 1 1 1 1
2 2 2 2 2 2 2
T1 LF0 I3 I1 BUS
2 1 2 1 2 1 2 1 2 1
0010035848-001
BUS
1
Fig. 60 Connecting the automatic filling facility
5.5.2

Cable preparations

NOTICE
Damage to control unit!
Small pieces of wire can cause shorts and damage to electronics.
▶ When stripping wires always ensure copper strands do not fall into
the control box.
Power supply (power cables), example  figure 61
▶ Ensure the conductors (C) can reach the appropriate terminal
connection and that the protective (earth) conductor is longer than
the other wires.
– Power cables connected to the appliance my have different
conductor lengths depending on the termination point.
6-8mm
6-8mm
Fig. 61 Power supply (power cables) preparation
Low voltage (signal cables), example  figure 62
6-8mm
Fig. 62 Low voltage (signal cables) preparation
230V
N
L
C
> C
0-30V
26-30mm
Installation
0010020494-002
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