Quic
k Star
t-up
Versatronik
®
COMO OT
OpenTherm
Room Temperature Controller
Quick Start-up Assistant
A
C
A
B
1
6
DB
F
2
18
6
12
24
1
2
3
4
5
6
7
F
1
:
:
1.
2.
3.
DB
F
2
18
6
12
24
1
2
3
4
5
6
7
F
1
:
:
1
2
3
4
Separate Como OT sub-base from user
interface with use of flat blade
screwdriver
Tilt user interface from sub-base by
hinging from the top.
Mount sub-base at desired location by
utilizing field supplied fasteners through
mounting holes
Make wiring connections:
1. Sub-base OT communication terminals
1 and 2
2. Sub-base Outdoor Temperature
Sensor to terminals 5 and 6
3. Connect OT communication wires to
Viessmann Vitodens X3.3 and X3.4.
Tilt front of control down, remove rear
cover to reveal X3 plug.
