Brief
scan
Display screen
Internal circulation
pump
Heating circuit pump to connection ex-
tension
8
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
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)
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.
Subject to the actual equipment level, the following relay outputs can be
controlled:
Display screen
Explanation
Burner st 1 ON
Burner stage 1
Burner st 1 + 2 ON
Burner stage 2
Int. pump on
Int. pump/output 20 ON
Heating valve
Diverter valve set to heating mode
Valve central pos.
Diverter valve in central position (filling/draining)
DHW valve
Diverter valve set to DHW mode
Mixer closed
Mixer extension
Mixer open
Mixer extension
Heating circuit p. M2 ON
Mixer extension
Heating circuit p. A1 ON
Ext. Extension
Cylinder pump on
Ext. Extension
DHW circ. pump ON
Ext. Extension
Central fault ON
Ext. Extension
Temperatures, boiler coding card and brief . . .
(cont.)
64
Service scans
5692
779
GB
Summary of Contents for VITOLADENS333-F
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