Technical data

39
Linea
SECTION 8 WIRING DIAGRAMS
8.1 EXTERNAL WIRING
The appliance comes with a factory fitted link to
allow basic operation of the boiler via the mode
selector switch. If external controls are to be
added to the system, they must be connected to
the appliance as shown in the following diagrams.
For advice on controls that are not featured in
this book, please contact Vokera technical on
0870 333 0520.
Fig. 44
8.2 TYPICAL CONTROL APPLICATIONS
The appliance can be used with the following con-
trols:
●●
●●
● Vokera mechanical clock (part no. 201).
●●
●●
● Vokera digital clock (part no. 202).
●●
●●
● Vokera room thermostat (part no. 011).
●●
●●
● Vokera RC05 remote control (part no. 405).
●●
●●
● Vokera external sensor (must be used in con-
junction with the RC05). (Part no. 2359259).
●●
●●
● Single-channel, voltage-free time clocks.
●●
●●
● Programmable room thermostats.
In addition, the appliance can be used in con-
junction with a typical ‘S’-Plan system, please
contact Vokera technical for further detailed in-
struction.
NOTE
This appliance is not suitable for use with ‘Y’-Plan
systems.
8.3 VOKERA TIME CLOCK
See 4.7.4 for detailed instructions on fitting the
Vokera time clock.
8.4 VOKERA REMOTE CONTROL
The RC05 remote control must be connected to
the appliance as shown in fig. 44. The RC05 can
be used in 3-modes:
●●
●●
● Boiler only control, whereby the RC05 con-
trols only the functions of the appliance (Heat-
ing & DHW temperature, reset function, fault
code display, etc).
●●
●●
●
Boiler control with room thermostat func-
tion, whereby the RC05 controls the functions
of the appliance (Heating & DHW temperature,
reset function, fault code display, etc), and also
functions as a room thermostat.
●●
●●
●
Boiler control with programmable room
thermostat, whereby the RC05 controls the
functions of the appliance (Heating & DHW tem-
perature, reset function, fault code display, etc),
and also functions as a programmable room
thermostat.
NOTE
If the RC05 is used in the “boiler only” mode, an
additional control will be required to switch termi-
nals TA & TA.
Full details of the operation of the RC05 and its
functions can be found in the installations and
users instructions of the RC05.
8.5 VOKERA ROOM THERMOSTAT
Connect the Vokera room thermostat to the ap-
pliance as detailed in fig. 45.
The Vokera room thermostat can be used with
the Vokera time clock or any other voltage-free
time clock.
Fig. 45
8.6 OTHER CONTROLS
Fig. 46 details typical control applications that
are suitable for this appliance. Contact the con-
trols manufacturer and/or Vokera technical de-
partment should you require more specific infor-
mation on the suitability of a particular control.
Further guidance on the recommended practice
for the installation of external controls, can be
found in CHeSS – HC1/HC2 (www.energy-
efficiency.gov.uk).