Appendix
0020200967_00 SUSTAIN ..s Installation and maintenance instructions
29
Dia-
gnostics
code
Parameter
Values
Unit
Increment, select, explanation
Default set-
ting
User-spe-
cific setting
Min.
Max.
d.02
Maximum burner anti-
cycling time in heating
mode
2
60
min
1
20
Adjustable
d.04
Water temperature in the
cylinder
Current value
℃
–
–
Not
adjustable
d.05
Determined heating flow
set target temperature
Current value
℃
–
–
Not
adjustable
d.06
Hot water set target tem-
perature
Current value
℃
(Combination unit only)
–
Not
adjustable
d.07
Set target temperature
for the domestic hot wa-
ter cylinder
Current value
℃
–
–
Not
adjustable
d.08
Status of the 230 V ther-
mostat
Current value
–
0 = Room thermostat open (no
heat requirement)
1 = Room thermostat closed
(heat requirement)
–
Not
adjustable
d.09
Heating flow set target
temperature that is set
on the eBUS room ther-
mostat
Current value
℃
–
–
Not
adjustable
d.10
Status of the internal
pump in the heating cir-
cuit
Current value
–
off / on
–
Not
adjustable
d.11
Status of the heating
circuit's shunt pump
Current value
–
off / on
–
Not
adjustable
d.13
Status of the hot water
circuit's circulation pump
Current value
–
off / on
–
Not
adjustable
d.14
Operating mode of the
modulating pump
0
5
–
0 = variable rotational speed
(auto)
1; 2; 3; 4; 5 = Fixed rotational
speeds
→
Section "Setting the
pump output"
0
Adjustable
d.15
Pump speed
Current value
%
–
–
Not
adjustable
d.16
Status of the 24 V room
thermostat
Current value
–
off = Heating off
on = Heating on
–
Not
adjustable
d.17
Heating control
–
–
–
off = Flow temperature
on = Return temperature (ad-
justment for underfloor heating.
If you have activated the return
temperature control, the auto-
matic heating output determina-
tion function is not active.)
0
Adjustable
d.18
Pump overrun operating
mode
1
3
–
1 = Comfort (continuously operat-
ing pump)
3 = Eco (intermittent pump mode
–
for the dissipation of the resid-
ual heat after hot water gener-
ation at an extremely low heat
demand)
1
Adjustable
d.19
Pump operating mode, 2
stage pump
0
3
–
0 = Burner mode stage 2, pump
flow/overrun stage 1
1 = Heating mode and pump
flow/overrun stage 1, hot water
handling mode stage 2
2 = Automatic heating mode,
pump flow/overrun stage 1, hot
water handling mode stage 2
3 = Stage 2
3
Adjustable
Содержание ENERGY 12s-A
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