Viessmann VITOPEND 200 - Page 74

Display screen
Brief
scan
Internal circulation
pump
Heating circuit pump to connection ex-
tension
8 0 0 Variable
speed
pump
0: w/o
1: Wilo
2: Grun-
dfos
Software
version
Variable
speed
pump
0: no
variable
speed
pump
Variable
speed
pump
0: w/o
1: Wilo
2: Grun-
dfos
Software
version
Variable
speed
pump
0: no vari-
able speed
pump
Checking outputs (relay test)
Constant temperature control unit
Press the following keys:
1. K + d simultaneously for
approx. 2 s.
2. a/b for the required relay out-
put.
3. d Relay test is completed.
The following relay outputs can be controlled subject to system design:
Display screen Explanation
1 Burner modulation base load
2 Burner modulation full load
3 Internal pump / output 20 "ON"
4 Diverter valve set to heating mode
5 Diverter valve in central position (filling/draining)
6 Diverter valve set to DHW mode
10 Output sK internal extension
11 Heating circuit pump A1 external extension
14 Central fault external extension
Temperatures, boiler coding card and brief scans (cont.)
74
Service scans
5862 831 GB