Contents
0020131957_01 VRT 350 Installation instructions
3
Contents
1
Notes on the documentation .............................. 4
1.1
Symbols and signs used........................................ 4
1.2
Observing other applicable documents ................. 4
1.3
Document storage ................................................. 4
1.4
Applicability of the instructions .............................. 4
2
Safety .................................................................... 5
2.1
Required personnel qualifications ......................... 5
2.2
General safety information .................................... 5
2.3
CE label ................................................................. 6
2.4
Intended use .......................................................... 6
3
Overview of the equipment................................. 8
3.1
Identification plate.................................................. 8
3.2
Scope of delivery ................................................... 8
4
Installation............................................................ 8
4.1
Fitting the controller in the living room................... 8
5
Electrical installation........................................... 9
5.1
Connect the controller to the boiler with a "3-4-
5 Terminal" .......................................................... 10
5.2
Connect the controller to the boiler with a
"24V=RT terminal" ............................................... 11
6
Electrical installation......................................... 12
6.1
Connect the controller to the boiler with a "3-4-
5 Terminal" .......................................................... 12
6.2
Connect the controller to the boiler with a
"24V=RT terminal" ............................................... 13
7
Start-up ............................................................... 14
7.1
Overview of installation assistant set-up
options ................................................................. 15
8
Operating............................................................ 16
8.1
Installer level overview......................................... 17
9
Operating and display functions...................... 20
9.1
Service information .............................................. 20
9.2
System configuration, system.............................. 20
9.3
System configuration, heater............................... 21
9.4
System configuration, heating circuit................... 22
9.5
System configuration, hot water circuit................ 22
9.6
Changing the code for Installer level ................... 23
10
Rectifying faults................................................. 24
10.1
Error messages ................................................... 24
10.2
Faults ................................................................... 24
11
Decommissioning.............................................. 26
11.1
Replacing the controller....................................... 26
11.2
Recycling and disposal........................................ 26
12
Customer service............................................... 26
