Schema Elettrico - Jolly Mec J20 Ficha De Montaje, Uso Y Mantenimiento

Configuration of the hydraulic diagram of the boiler
BY A SPECIALIZED TECHNICIAN
Before starting the boiler, it is necessary to configure the hydraulic scheme on which we want to
work. The boiler is set up to receive the clean contact of an external thermostat (open / closed, the
thermostat must not give tension to the back. If the thermostat carries voltage to the board causing

Schema elettrico

faults, the warranty is void), two temperature probes and a motorized valve . All these components can
be connected via the terminal board on the back of the boiler.
Electrical diagram of the control unit
FOR MODELS J25 AND J35 ONLY: cables C and D are already wired to the diverter valve integrated in the boiler (diagram
01). In order to use schemes 04 and 06, the CAT or electrician must remove connections C and D of the main scheme, bring
them to the terminal board in position 4, 5 and 6 and then connect the diverter valve installed outside the boiler.
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