Installation
Greenstar Heatslave II
ErP -
6 720 813 344 (2014/09) 27
7. Locate top panel [N] onto brackets at rear of the side panels [O].
Locate ball stud connections [P] and press down to secure.
Fig. 37
5.9 Electrical
• The boiler is pre-fitted with a mains supply cable.
• The mains electrical supply to the boiler must be through a fused
double pole isolator situated, where practicable, adjacent to the
boiler.
• The isolator must have a contact separation of 3mm minimum in both
poles.
• Any additional equipment connected to the boiler must not have a
separate electrical supply.
• External fuse rating 5 A.
Access to electrical connections
Access to all wiring connections are via the Installer access cover at the
bottom front of the control board.
1. Release the 3 captive screws [A] and remove the Installer access
cover [B].
Electrical connections
2. C. Low voltage connections.
D. Mains voltage connections.
E. Fuse carrier.
Fig. 38
DANGER: 230 Volts
Isolate the mains electricity supply before starting any
work and observe all relevant safety precautions.
NOTICE:
Observe electrostatic discharge precautions
▶ Do not touch the PCB circuits.
NOTICE:
When wiring mains and control cables ensure that the
cable has sufficient length for the control box to be slid
forward and tilted over.
The 230V links (L OUT to CH LR & L OUT to DHW LR) are
required for fascia mounted programmers to operate.
Low voltage terminal strip
1Not used
2EMS bus connections
3 Service mode switch
4 Outdoor compensation sensor
5Not used
6Not used
Mains voltage terminal strip
7 External 230 V A.C. frost thermostat
8 230 VA.C. switched live inputs (heating and DHW)
9 230 VA.C. mains output to wiring centre
10 Not used
11 Not used
12 Not used
13 Boiler 230 VA.C. mains supply
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