Installation and Servicing ecoTEC plus
25
4.4.4 Controls
Table 4.2 Vaillant controls (used in conjunction with the VR 65 accessory)
Controls
Item no.
Connection
VRC 400 (1-circuit controller, weather-controlled)
00 2001 0843 Installation in electronics box or wall-mounted (plug-and
play)
VRT 360 (room temperature controlled)
00 2001 0842 Wall-mounted, 2-wire bus (plug-and-play)
timeSWITCH 140 (timer)
306 760
Installation in electronics box (plug-and-play)
Accessory
Item no.
Connection
VR 65 control centre for UK cylinder installation
(eBUS)
307 215
System solution for UK cylinder connection
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.
Boiler installation sequence 4
Fig. 4.11 Mains Supply and External Controls
HEATING PUMP
CONNECTION
230Vac SYSTEM
CONTROLS
• Zone valve
• Programmer
• Room thermostat
• cylinder thermostat
L
N
E
JUNCTION
BOX
3 AM P FUSE
NOTE:
ALL CABLES
CONNECTED
TO THE
APPLIANCE
SHOULD BE
PERMANENTLY
FIXED TO
THE WALL
DOUBLE
POLE
ISOLA TOR
230V ac 50Hz
PERMANENT
SUPPL Y
Remove link if
external 230v
controls are to
be fitted
20 VDC
7 8 9 L N
L N
N
3 4 5
(DO NOT USE
7, 8, 9 IN UK!)
Supplied by HeatingSpares247.com
Содержание eco TEC plus 415
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