EdilKamin LAGUNA M 25 Instalación Uso Y Mantenimiento página 65

ELECTRICAL AND EXTERNAL CONNECTIONS (ONLY FOR INSTALLATION TECHNICIAN)
Electrical safety of the system must be guaranteed by an efficient earthing connection and use of
a circuit breaker-differential switch with a distance between contacts of at least 3 mm.
The electrical parts inside the boiler require an electrical connection of 230 V – 50 Hz. The con-
nection must be carried out to standard as planned by the CEI standards only by qualified techni-
cal staff.
It is also possible to connect an ambient thermostat to control boiler switch on. The thermostat
acts as a "physical" switch on the boiler, permitting switch on or switch off by bringing the boiler to
stand-by.
It is also possible to connect a system circulator that picks water from the buffer and brings it to
the heating system.
• For installation, in Italy, you need to refer to the Declaration of Conformity in compliance with
M.D. 37/2008 (formerly L. 46/90).
On terminals 7 and 8 a 10 KΩ resistor is installed that simulates a temperature around
INSTALLATION
DESCRIPTION
CONNECTORS
1-2 Ambient thermostat
3-4 Free
5-6 P2 System circulator / 3 way valve
7-8 S2 Buffer probe / Boiler probe
8 7 6 5 4 3 2 1
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Reset safety
thermostat
Electrical supply cable
230V – 50Hz
20° C.