0020244997_07 Installation and maintenance instructions
57
Code Parameter
Values or explanations
Factory
setting
Own setting
D.050 Offset min. speed
In rpm, adjustment range: 0 to 3000
Nominal
value set in
factory
D.051 Offset max. speed
In rpm, adjustment range: -990 to 0
Nominal
value set in
factory
D.058 Solar post-heating
0 = Solar post-heating deactivated
3 = DHW activation target value minimum 60 °C, thermo-
static mixing valve required between product and draw-
off point
0 = Solar
post-heating
deactivated
D.060 Number of safety therm. shut-
downs
Number of shutdowns
Not ad-
justable
D.061 No. of shut-downs in ign. flame
controller
Number of unsuccessful ignitions in the last attempt
Not ad-
justable
D.064 Avg. ignition time
In seconds
Not ad-
justable
D.065 Max. ignition time
In seconds
Not ad-
justable
D.067 Remaining anti-cycl. time for heat-
ing
In minutes
Not ad-
justable
D.068 Number of first start attempts
Number of unsuccessful ignitions
Not ad-
justable
D.069 Number of second start attempts
Number of unsuccessful ignitions
Not ad-
justable
D.070 3-way valve operation
0 = Normal operating mode
1 = Parallel operation (mid-position)
2 = Permanent heating position
0 = Normal
operating
mode
D.071 Max. heating target flow temp.
40 to 80
℃
75
℃
D.072 Pump overrun after cylinder char-
ging
Adjustable from 0
–
10 minutes in increments of 1 minute
2 mins
D.073 Offset setting for comfort mode
Adjustable from -15 K to 5 K
0
D.074 Anti-legionella funct. with integ-
rated cyl.
0 = Off
1 = On
1 = On
D.075 Max. cylinder charging time
20
–
90 min
45 mins
D.076 Device Specific Number
Device specific number = DSN
1 = VU 126/5-5 (H-GB) ecoTEC plus 612
3 = VU 156/5-5 (H-GB) ecoTEC plus 615
4 = VU 186/5-5 (H-GB) ecoTEC plus 618, VU 186/5-5
(P-GB) ecoTEC plus 618
9 = VU 246/5-5 (H-GB) ecoTEC plus 624
14 = VU 306/5-5 (H-GB) ecoTEC plus 630, VU 306/5-5
(P-GB) ecoTEC plus 630
20 = VU 386/5-5 (H-GB) ecoTEC plus 637
6 = VUW 196/5-5 (H-GB) ecoTEC plus 825
10 = VUW 246/5-5 (H-GB) ecoTEC plus 832, VUW
246/5-5 (P-GB) ecoTEC plus 832
62 = VUW 306/5-5 (H-GB) ecoTEC plus 835
17 = VUW 286/5-5 (H-GB) ecoTEC plus 838, VUI 286/5-
5 (H-GB) ecoTEC plus 938
Not ad-
justable
D.077 DHW partial load
Adjustable cylinder charging output in kW
D.078 DHW max. flow temperature
Limit on cylinder charging temperature in °C
50 °C
–
80 °C
Note
The chosen value must be at least 15 K or 15 °C above
the target cylinder value.
75 °C
D.080 Heating operating hours
In hours (h)
Not ad-
justable
D.081 DHW operating hours
In hours (h)
Not ad-
justable
D.082 Heating burner starts
Number of burner start-ups
Not ad-
justable
