Technical data

INSTALLATION
INSTRUCTIONS
_
CONDENSING WALL-HUNG BOILER – TG05A052.A0205
18
ELECTRICAL CONNECTIONS
For qualified personnel only:
the boiler works with 230 V 50 Hz AC current and has maximum input of 170 W. Connection to the electrical mains must be
performed with a device having an omnipolar opening of at least 3 mm. Make sure the live and neutral connections conform to
the diagram.
A secure earth connection is compulsory according to national and local ragulations.
IMPORTANT
If you need to replace the power supply cable, use cable having following specifications: (HO5 W-F) 3x1 with maximum external diameter 8
mm.). Connect to the terminal block located in the instrument panel as follows:
A. Turn off the electrical power supply at the mains.
B. Remove the boiler front casing.
C. Remove the small panel plate A on the right side of the panel as shown in the figure 1.
D. With the terminal block B now open make the following connections.
• Connect the yellow/green wire to the terminal marked with the earth symbol “ “ (see fig.1).
• Connect the blue wire to the terminal marked with the letter “N”.
• Connect the brown wire to the terminal marked with the letter “L”.
•
Terminal identified as: Ta ⇒ Room thermostat
Se ⇒ External sensor
Once all connections have been made, reinstall the small panel plate and the boiler front casing.
Ta
S
blue
yellow/green
brown
L N
A
SeTa
B
Se