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Installation
Replaceable mains cable (power cable) and 230V external controls
connections.
▶ Release the latches [1] and remove cover.
Fig. 58 Remove cover
▶ Remove the cable clamp.
▶ For splash protection (IP): Cut the strain relief according to the
diameter of the cable [1].
▶ Unscrew the cable retaining screw [2].
▶ Guide the cable through the strain relief [3].
▶ Tighten the cable retaining screw [2] to secure the cable.
▶ Replace the cable clamp.
▶ Remove the relevant PCDB edge connector.
▶ Connect the cable to it and replace.
1
3
2
Fig. 59 Cable feed
40
1
0010042683-001
≥ 5mm
2
0010043086-001
Terminal strip for control unit
Symbol
Function
Outside temperature sensor.
Communication BUS connection for hard-wired
Worcester/Bosch EMS controls.
Control unit 230V power supply connection
Fuse
Fuse
5AF
Table 20 Terminal strip for external accessories (Control unit)
Terminal strip for 230V interface unit
Symbol
Function
230V external controls connection.
230V feed output and switch live/demand input for
external controls.
• External controls switch live/demand (Live Return)
to the appliance [LR].
– Remove link between LR and LS when
connecting external 230V controls.
• Live output [LS] to external controls.
• Neutral output [NS] to external controls.
• Earth to be connected on earth bar within the 230V
external controls interface unit.
Table 21 Terminal strip for external accessories (230V interface unit)
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.
230V mains cable (power cables), example figure 60
▶ 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 may have different
conductor lengths depending on the termination point.
230V
6-8mm
6-8mm
N
L
> C
Fig. 60 Mains voltage (power cables) preparation
Greenstar 1000 – 6721835943 (2023/08)
C
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