Viessmann VITOROND 100 Installation And Service Instructions Manual page 53

Burner Set-up (Riello)
Electrical connections (with Vitotronic control) (continued)
Fig 51
Installation location of pump junction box
Pump junction box
Pump
Space heating pump
120 VAC, 3 amps
maximum
Fig 52
Pump junction
(continued)
1.
GRN
BLK
WHT
The pump junction box supplies power
to field supplied pumps. It is shipped
with the boiler and must be installed
whenever each of the boilers is installed
in conjunction with the following
controls:
- Vitotronic 100, KK10
- Vitotronic 100, KW10
If installing Vitotronic 200, Vitotronic
100- KW10A / KW10B, discard the
pump junction box.
1. Pump junction box must be placed
underneath top panel near the back
of the boiler, as shown in Fig. 50.
2. Connect the
connector of the Pump Junction Box
to the main circuit board of the
control, as shown in Fig. 51.
3. Feed the power supply cabling of the
system pump through the opening at
the back of the boiler and connect to
terminals in pump junction box (See
Fig. 51).
IMPORTANT
Run BX (armoured cable) or any other
approved wire (required by local authority
having jurisdiction) from junction box
terminal to heating circuit pump.
Installation Instructions
Vitotronic 100
L
N
Vitotronic control
Models KK10, KW10
Connections
RAST-5 plug-in
53