Control Panel (Optional); Thermostatic Control Panel, 2 And 3 Burner Stages; Front View Of The Thermostatic Control Panel (Not Supplied) - Ferroli PREXTHERM RSW 92N Instructions D'utilisation, D'installation Et De Montage

6.

CONTROL PANEL (OPTIONAL)

C16015180 – LV thermostatic control panel, 2 stages
C16015190 – LV thermostatic control panel, 3 stages
C16015150 – EBM (Efficient Boiler Management) control panel
6.1 LV thermostatic control panel, 2 and 3 burner stages
(The diagrams shown below are valid for all three panels.)
The panel is not supplied. It's made of plastic with protection index IP40, and houses adjustment and safety instruments. The LV panels
include a thermostat signal to control the anti-condensation pump, as described in paragraph 5.5.5. The electrical system for the boiler
must be:
- designed and installed by qualified personnel and connected to a grounding system in accordance with current legal standards.
- suitable for the maximum power absorbed by the boiler, using electrical cables with the appropriate cross-section.
The ground wire in the power cables and cables connecting to the boiler must be several mm longer than the other wires in the same cable.
For connections between the burner, electrical panel and electrical power supply, the use of H07 RN-F cables is recommended for visible
con-nections. For other types of systems, or for special environmental situations, consult current standards. The composition and diameter
of the wires is calculated based on the power absorbed by the burner. To access the instruments, rotate the front panel (A). To access the
connection terminals and unwind the capillary tubes from the thermostats and thermometer, remove the top panel (B) after first removing
the 2 side screws (C). The control thermostats (12-13 - Fig. 12) can be set by the user, using the knob at the front. The safety thermostat
has a fixed setting and manual reset. The following are compulsory:
- use a two-pole, thermal-magnetic overload switch, mains disconnecting switch, in accordance with CEI-EN standards (minimum contact
opening of 3 mm)
- respect the connection L1 (Phase) - N (Neutral)
- use cables with a cross-section greater than or equal to 1.5 mm2, including terminals
- refer to the wiring diagrams in this instructions manual for any operations on the electrical system
- effectively ground the appliance
- it is forbidden to use water hoses to ground the appliance.
The manufacturer is not liable for any damage caused by the failure to ground the appliance, or for non-compliance with the wiring diagrams.

6.1.1 Front view of the thermostatic control panel (Not supplied)

Key
1 System pump ON switch
2 Burner ON switch
3 Boiler ON switch
4 Test button
5 Safety pressure switch reset button
6 Boiler water temperature
7 Boiler ON LED
46
EN
PREXTHERM RSW N
8 1st burner stage LED
9 2nd burner stage LED
10 Burner block LED
11 Safety pressure switch LED
12 2nd stage TR1 thermostat setting
13 1st stage TR1 thermostat setting
14 Space for temperature controller
fi g.14
A73020801