Electrical Connections - Wiring Diagrams - Inova L24 MCW TOP U/IT Installation And Maintenance Manual

ELECTRICAL CONNECTIONS - WIRING DIAGRAMS

The boiler must be connected to an earthed, single-phase 220-230V-50 Hz mains supply by means of a
three-wire cable, ensuring that connections to the LINE and NEUTRAL terminals are made correctly.
A bipolar switch must be used with contacts opening to at least 3 mm.
The power lead must only be replaced by another with the following characteristics: "HAR H05 VV-F" 3 X
0.75 mm .
2
Installation must be made in compliance with safety REGULATIONS IN FORCE.
Make a good earth connection.
Voltage Frequency
volt Hz
230 50
To gain access to the electrical panel which houses the power supply terminal block and any connection to
a room temperature thermostat, proceed as follows:
●
Disconnect the boiler power supply
●
Undo the two control panel fixing screws 1 (fig. 1)
●
Rotate the control panel until it comes up against the first
safety stop. Lift to release and rotate until it opens completely
(fig. 2).
NOTE: DO NOT FORCE THE PANEL AS THIS MIGHT
BREAK THE OPENING MECHANISM.
●
Undo the two cover attachment screws to gain access to
the electrical connections (fig. 3).
To gain access to the levels board and the IONO control unit
undo thw screws (3) from closure panel B (fig. 4). Furthermore,
to adjust the calibration potentiometers, by the aid of a screwdriver,
remove the corresponding protection plugs (4) (fig. 4).
Absorbed power
kW
MC
0,120
Fig. 2
Protection index
IP
MCS
0,150 44
2
Fig. 3
Noise level
dB (A)
MC MCS
52 47
1
Fig. 1
B 4 3
Fig. 4
35