Saunier Duval Themaclassic F30E SB Instructions For Use Installation And Servicing page 28

13.3 Mains Voltage External Controls
WARNING: UNDER NO CIRCUMSTANCES MUST ANY
MAINS VOLTAGE BE APPLIED TO ANY OF THE TERMINALS
ON THE VOLTAGE FREE HEATING CONTROLS
CONNECTION TERMINAL.
When mains voltage external controls are used, remove the
MAINS VOLTAGE HEATING CONTROLS CONNECTION PLUG
from the fittings pack and install on the control interface PCB
as follows.
Gain access to the control interface by unclipping the fascia
panel and hinging forward, see diagram 13.3.
Route the external heating controls cable (not supplied) and
connect to the plug, see diagram 13.3.
Insert plug onto controls interface PCB, see diagram 13.3.
Close the fascia panel and remove the screws to open the rear
cover of control panel, see diagram 13.1.
Secure the external heating control cable in the strain relief, and
thread the cable through rear of the control panel and out of the
cables exit, see diagram 13.4.
Close and secure rear cover of control panel.
IMPORTANT: Remove the wire link from the voltage free
heating controls connector, see diagram 13.1.
Connect external heating controls as diagram 13.5.
External controls should be fitted in accordance with the rules
in force.
13.4 Electrical Connections - Testing
Carry out preliminary electrical system checks as below:
1. Test insulation resistance to earth of mains cables.
2. Test the earth continuity and short circuit of cables.
3. Test the polarity of the mains.
CONTROL PANEL USER INTERFACE
RETAINING LATCHES
The type of plug and
orientation may be
different to that
illustrated but the
wiring should always
be as wiring diagrams
PLUG
4000123924-2
13 Electrical Connection
EXTERNAL
CONTROLS
CABLE(MAINS
VOLTAGE)
CONTROLS
INTERFACE
PCB
Diagram 13.3
F30E/F35E only
F30E only
EXTERNAL
FROST
THERMOSTAT
HEATING CONTROLS
CONNECTION PLUG
EXTERNAL
ROOM
THERMOSTAT
INTERNAL PROGRAMMER
EXTERNAL 230V AC ROOM THERMOSTAT
EXTERNAL 230V AC FROST THERMOSTAT
EXTERNAL
FROST
CONNECT
THERMOSTAT
HEATING CONTROLS
EXTERNAL
ROOM
THERMOSTAT
EXTERNAL
PROGRAMMER
EXTERNAL PROGRAMMER/CLOCK
EXTERNAL 230V AC ROOM THERMOSTAT
EXTERNAL 230V AC FROST THERMOSTAT
28
STRAIN
RELIEF
MAINS
CABLE
EXTERNAL
CONTROLS
CABLE
Diagram 13.4
TO MAIN PCB
CONNECTOR J15
CONTROLS
INTERFACE PCB
3
2
X
1
VOLTAGE FREE
DO NOT
HEATING CONTROLS
CONNECT
CONNECTION
MAINS VOLTAGE
(ON CONTROLS
BOX COVER)
REMOVE LINK
WHEN ANY EXTERNAL
CONTROLS ARE USED
ON/OFF
SWITCH
PROGRAMMER
EXTERNAL
JUNCTION BOX
3 AMP FUSE
DOUBLE POLE
ISOLATOR
TO MAIN PCB
F30E SB only
CONNECTOR J15
CONTROLS
INTERFACE PCB
3
2
X
1
VOLTAGE FREE
DO NOT
HEATING CONTROLS
CONNECTION
(ON CONTROLS
MAINS VOLTAGE
BOX COVER)
REMOVE LINK
CONNECTION PLUG
WHEN ANY EXTERNAL
CONTROLS ARE USED
ON/OFF
SWITCH
EXTERNAL
JUNCTION BOX
3 AMP FUSE
DOUBLE POLE
ISOLATOR
Diagram 13.5
L N E
230V~ 50Hz
PERMANENT
MAINS
SUPPLY
L N E
230V~ 50Hz
PERMANENT
MAINS
SUPPLY