32
6.13 Electrical connections and External con-
trols
The boiler is supplied with a mains cable. Connect the boiler to
a 230V -50Hz single phase power supply through a fused mains
switch, with at least 3 mm spacing between contacts, fused at
3 amps.
If this cable needs to be replaced, an original spare must be
requested from
Sime Ltd
.
The heating control of the boiler can be achieved by connection
of either a volt free room thermostat, room thermostat/timer
or a dedicated control (listed below). For connection details see
section "External timers and Room Thermostats").
DESCRIPTION
CODE
External sensor kit (ß=3435, NTC 10KOhm at 25°C)
8094101
Power cable (dedicated)
6323875
Remote control HOME (open therm)
8092280
Remote control HOME PLUS (open therm)
8092281
m
CAUTION
Only qualified persons in compliance with the instruc-
tions contained in this manual are permitted to install,
commission and maintain this boiler. The installation
of this boiler must be in accordance with the relevant
requirements of the current Gas Safety (installation
and use) Regulation 1998, the local building regula-
tions, and I.E.E. wiring regulations.
a
WARNING
Before carrying out any interventions described:
– isolate the power supply
– isolate the gas cock
– avoid contact with any hot surfaces.
To make the electrical connections:
– remove the screws (1), pull the front panel (2) forwards and
release it from the top by lifting it
1
2
Fig. 25
– remove the screws (3) securing the control panel (4)
– move the panel (4) upwards (a) but keeping it in the side
guides (5) to the end of travel
– bring it forwards and down (b) until it is horizontal
3
a
b
5
4
Fig. 26
– insert the connection wires through the grommet (6) and the
opening (7) on the control panel
6
7
Fig. 27
– bring the control panel (4) to the original position and secure
it with the screws (3) which were removed previously
– connect the component wires to the terminal board (8) fol-
lowing the indications provided on the data plate (9) and as
shown in section
"Wiring diagram"
.
3
4
8
9
SE
TA
6
5
4
3
Fig. 28
