Controls; External Electrical Controls; Vaillant Optional Plug In Timer Accessories; And Boiler Terminal Strip - Vaillant eco TEC plus 415 Instructions Manual

4.4.4

Controls

Table 4.2 Vaillant controls (used in conjunction with the VR 65 accessory)
Controls
VRC 400 (1-circuit controller, weather-controlled)
VRT 360 (room temperature controlled)
timeSWITCH 140 (timer)
Accessory
VR 65 control centre for UK cylinder installation
(eBUS)
4.4.5

External electrical controls

The boiler terminals 3, 4 and 5 are for connecting
external electrical controls. Terminals 3 and 4 are
linked together when the boiler is supplied. If external
controls are used, this link must be removed, and the
controls connected to terminal 4. Terminal 5 is an
additional neutral connection for external neutrals
such as from the anticipator of a room thermostat.
4.4.6 Connection details for external switches and
boiler terminal strip.
See schematic layout, fig. 4.11.
4.4.7

Vaillant optional plug in timer accessories

Refer to the instructions supplied with the optional
accessories for connection details. Upon completion of
all electrical connections refit the terminal box cover
by pushing into place. The cover is secured by two
locking clips.
4.4.8 Connection details using the VR 65 control
centre
The Control Centre VR 65 is an eBUS system
component. In a storage unit cylinder installation, it
is responsible for the communication between the
ecoTEC plus boiler and external 2- or 3-way-valves.
Connect the VR 65 Control Centre as described in the
enclosed manual.
Installation and Servicing ecoTEC plus
Supplied by HeatingSpares247.com
Boiler installation sequence 4
Item no. Connection
00 2001 0843 Installation in electronics box or wall-mounted (plug-and
play)
00 2001 0842 Wall-mounted, 2-wire bus (plug-and-play)
306 760 Installation in electronics box (plug-and-play)
Item no. Connection
307 215 System solution for UK cylinder connection
20 VDC
7 8 9 L N
(DO NOT USE
7, 8, 9 IN UK!)
NOTE:
ALL CABLES
CONNECTED
TO THE
APPLIANCE
SHOULD BE
PERMANENTLY
FIXED TO
THE WALL
Remove link if
external 230v
controls are to
be fitted
Fig. 4.11 Mains Supply and External Controls
HEATING PUMP
CONNECTION
3 4 5
N
L N
230Vac SYSTEM
CONTROLS
• Zone valve
• Programmer
• Room thermostat
• cylinder thermostat
JUNCTION
BOX
3 AM P FUSE
DOUBLE
POLE
ISOLA TOR
E N L
230V ac 50Hz
PERMANENT
SUPPL Y
25