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Parameter description
09 Parameter DeltaT2
Display
Designation
09:01
Control mode
A
09:02
Switch-on
differential
T2
A
09:03
Switch-off
differential
T2
A
09:04
Minimum running
t i m e p u m p
T 2
A
09:05
Minimum
temperature heat
supplier
T2
A
09:06
Maximum
temperature heat
supplier
T2
A
09:07
Final switch-off
temperature heat
supplier
T2
A
16
Description
T2
Setting range: 0 = Delta T2 OFF
1 = Delta-T2 without return flow sensor
2 = Delta-T2 with return flow sensor
3= Thermostat function
Factory setting: 1
Setting range:
(Switch-off differential + 3K) ... 30K
Factory setting:
10K
Function:
If temperate difference between sensors of heat supplier F4 and
heat st orage tank F2 is
on
switches
.
Setting range:
2K ... (Switch-on differential - 3K)
Factory setting:
5K
Function:
If temperate difference between sensors of heat supplier F4 and
heat storage tank F2 is
off
switches
.
Setting range:
OFF (----)
0.5 ... 60 min
Factory setting:
3 min
Function:
Minimum switch-on time of pump per start.
Setting range:
OFF (----)
5 ... 80°C
Factory setting:
OFF
Function:
Irrespective of switching differentials, the pump switches on
only after the sensor of heat supplier F4 has exceeded the set
value.
Setting range:
OFF (----), 30 ... 110°C
Factory setting:
90°C
Function:
Irrespective of switching differentials, the pump performs a
forced switch on after the sensor of heat supplier F4 has
exceeded the set value.
Setting range:
OFF (----), 70 ... 210°C
Factory setting:
OFF
Function:
Irrespective of switching differentials, the pump performs a
forced switch off after the sensor of heat supplier F4 has
exceeded the set value.
larger
than set value, the pump
smaller
than set value, the pump
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