Vaillant home combi, Installation And Maintenance Instructions Manual

Page: 34 / 52

Appendix
34
Installation and maintenance instructions HOME 0020224355_00
Dia-
gnostics
code
Parameter
Values
Unit Increment, select, explanation
Default set-
ting User-spe-
cific setting
Min. Max.
d.84 Maintenance in 0 3000 h Number of hours = Display value
x 10 300 Not
adjustable
d.85 Increase in the min. out-
put (heating and hot wa-
ter handling mode)
– –
kW 1
→
Section "Technical data"
–
Adjustable
d.88 Flow rate limit value
for ignition in hot water
handling mode 0 1
–
0 = 1.7 l/min (no delay)
1 = 3.7 l/min (2 s delay) 0 Adjustable
d.90 Status of the eBUS room
thermostat Current value
–
off = Not connected
on = Connected
–
Not
adjustable
d.91 Status DCF77 Current value
– – –
Not
adjustable
d.93 Setting the product code 0 99
–
1
–
Adjustable
d.94 Delete fault list 0 1
–
off = No
on = Yes
–
Adjustable
d.95 Software versions
– – –
1 = Main PCB
2 = Interface PCB
–
Adjustable
d.96 Default setting (reset)
– – –
0 = No
1 = Yes
–
Adjustable
d.128 Heating minimum target
value 10 75
℃
1 10 Adjustable
d.129 Minimum hot water tar-
get value 35
(com-
bination
unit)
45
(pure
boiler)
60
℃
1 35
(combination
unit)
45 (pure
boiler)
Adjustable
C Status codes
–
Overview
Note
Since the code table is used for various products, some codes may not be visible for the product in question.
Status code Meaning
Displays in heating mode
S.0 Heating mode: No requirement
S.01 Heating mode: Advance fan operation
S.02 Heating mode: Pump pre-run
S.03 Heating mode: Burner ignition
S.04 Heating mode: Burner on
S.05 Heating mode: Pump/fan overrun
S.06 Heating mode: Fan overrun
S.07 Heating mode: Pump overrun
S.08 Heating mode: Temporary shutdown after heating procedure
Displays in hot water handling mode
S.10 Hot water handling mode: Requirement
S.11 Hot water handling mode: Advance fan operation
S.13 Hot water handling mode: Burner ignition
S.14 DHW mode: Burner on
S.15 DHW mode: Pump/fan overrun
S.16 DHW mode: Fan overrun