6 ELECTRICAL INSTALLATION
Installation, user and maintenance manual – LCGHP/LSGHP
51
Figure 6�23 – Electrical wiring diagram
LEGEND
SCH
circuit board
J10
open jumper
N.O. CONTACT
N.O voltage free contacts
MA
unit terminal block
L
phase
N
neutral
Components NOT SUPPLIED
PM
water pump
KP
pump relay
PTR
SELV safety transformer
IP
bipolar pump switch
Example of pump/appliance electrical connection with 230 Vac pump, controlled directly by the appliance through a relay and a SELV safety
transformer
Variable flow pump WILO STRATOS PARA can also be used. In this case, for the electrical wiring of the pump, please refer to
Figure 6.15 p. 43 and the relevant paragraph.
The primary circulation pump/s must be controlled by the S61 board, or directly (via “N�O� contact” contacts or 0-10V
signal) or indirectly (“OR” use of said contacts by BMS type external systems)� Otherwise, the primary circulation
pump/s must be running permanently�
6�5 TYPE C (CONSENT SWITCH)
Before making the electrical connections, make sure that work is not carried out on live elements.
General indications
▶
Check that the power supply voltage is 230 V 1N - 50 Hz power.
▶
Make the electrical connections as given in the following wiring diagrams.
Summary of Contents for LCGHP
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