Checking Outputs (Relay Test) - Viessmann Vitodens 333-F Service Instructions Manual

Temperatures, boiler coding card and brief scans
Brief
scan
Boiler
7 0
Internal circulation
pump
8 0

Checking outputs (relay test)

Constant temperature control unit
Press the following keys:
1. K + d simultaneously for
approx. 2 s.
The following relay outputs can be controlled subject to system design:
Display screen
1
2
3
Display screen
Heating circuit A1
(without mixer)
0 Remote
control
0 w/o
1 Vitotr-
ol 200
2 Vitotr-
ol 300
Heating circuit pump to connection ex-
tension
0 Variable
speed
pump
0 w/o
1 Wilo
2 Grun-
dfos
2. a/b
3. d
Explanation
Burner modulation base load
Burner modulation full load
Internal pump / output 20 "ON"
Service scans
(cont.)
Heating circuit M2
(with mixer)
Software Remote
version control
Remote 0 w/o
control 1 Vitotrol
0: no re- 200
mote 2 Vitotrol
control 300
Software Variable
version speed
variable pump
speed 0 w/o
pump 1 Wilo
0: no 2 Grund-
variable fos
speed
pump
for the required relay out-
put.
Relay test is completed.
Software
version
Remote
control
0: no re-
mote con-
trol
Software
version
variable
speed
pump
0: no vari-
able speed
pump
71