5.8
Electrical connections
5.8.1.
Control unit
The boiler is fully pre-wired. The electricity supply is made via
connection cable to the mains (connection by 6 A, 230 V AC plug).
All other external connections can be made to the connection
connectors (low voltage). The main characteristics of the control unit
are described in the table below.
Power supply voltage
230 V AC / 50 Hz
Rating of the main fuse F1 (230 VAC) 6.3 AT
Fan-DC
27 VDC
A
Routing of the 230 V cables
Z
Routing of the sensor cables
CAUTION
The following components of the appliance are at a
voltage of 230 V:
4
Boiler pump
4
Combined venturi and gas valve unit
4
3-way valve
4
The majority of components in the control panel and
the terminal box
4
Power supply cable.
5.8.2.
Recommendations
WARNING
4
Only qualified professionals may carry out electrical
connections, always with the power off.
4
Disconnect the appliance from the mains before any
work on it.
4
The boiler is entirely pre-wired. Do not modify the
connections inside the control panel.
4
Earth the appliance before making any electrical
connections.
WARNING
If the power cable is damaged, it must be replaced by the
manufacturer, its after sales service or persons with
similar qualifications in order to obviate any danger.
Make the electrical connections of the appliance according to:
4
The instructions of the prevailing standards.
M002532-A
2
1
CALORA TOWER GAS 15S EX CALORA TOWER GAS 25S EX
CALORA TOWER GAS 35S EX
5. Installation
22/04/2016 - 300026141-001-07
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