Installing The External Temperature Probe; Electric Connection Between The Boiler And The External Probe - Biasi RinNOVA 24S User Manual And Installation Instructions

connecting zone valves controlled by the
ambient thermostat
6
X11
1
Boiler
card
Figure 5.22
Use the ambient thermostat terminals indi-
cated in Figure 5.22 to connect the zone valves.
The electric conductors of the zone valve mi-
cro contacts must be inserted in the "A and B"
terminals of the ambient thermostat terminal
board as shown in Figure 5.22.
The electric jumper between "A and B" must
be removed.
Do not connect live cables on the
"A and B" terminals.
INSTALLATION
Ambient
L N
thermostat
T
V
Zone valve with
microcontacts
5.10 Installing the external tempera-
ture probe
(optional)
The external probe must be installed on the ex-
ternal wall of the building avoiding:
• Direct radiation of the sun's rays.
• Humid walls or walls subject to the formation
of mildew.
• Installation near fans, drain outlets or chim-
neys.
5.11 Electric connection between the
boiler and the external probe
To connect the external probe to the boiler use
electric cables with a section no less than 0.50
mm .
2
The electric conductors for connecting
the external probe to the boiler must go
through different channels than those for
the mains voltage (230 v), as they are sup-
plied with low safety voltage and their max-
imum length may not exceed 20 metres.
Use the terminals indicated in (Figure 5.23) to
connect the external probe.
6
X11
1
Figure 5.23
Boiler
thermostat/
boiler probe
External probe
Remote
control/
ambient
thermostat
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