Connecting An Ambient Thermostat Or Zone; Valves - Biasi RinNOVA 24S User Manual And Installation Instructions

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Figure 5.20
If the power supply cable is damaged, it
must be replaced by the manufacturer or by
its technical support service or by a person
with similar qualifications.
connecting to the electric power supply
network
• Connect the electric power supply cable to
the single pole switch, respecting the corre-
spondence of the line (brown wire) and the
neutral (blue wire).
• connect the ground wire (yellow/green)
to an effective grounding system.
The electric power supply cable or wire for
the unit must have a minimum section of 0.75
mm , be kept at a distance from hot or sharp
2
parts and comply with current technical stand-
ards.
5.9 connecting an ambient thermo-
stat or zone valves
Use the terminals indicated in (Figure 5.21) to
connect the ambient thermostat.
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INSTALLATION
The installation of the ambient thermostat
excludes the installation of the remote con-
trol.
When connecting any type of ambient ther-
mostat, the electric jumper between "A and
B" must be removed.
The electric conductors for the ambient ther-
mostat must be inserted between terminals "A
and B" as shown in (Figure 5.21).
6
X11
1
Boiler card
Figure 5.21
The thermostat must have insulation class II ( )
or be correctly connected to the ground.
Do not connect live cables on the
"A and B" terminals.
ambient thermostat
T
voltage free
contacts for the