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Installation
CommissioningSettingsTroubleshooting
Accessories
Display
Mixer
(in systems 1 and 5 only)
Note:
The mixer option can only be used, if a high-effi ciency pump with PWM
speed control is used as the solid fuel boiler pump!
The mixer function can be used for adjusting the SFB / boiler return temperature
to the mixer target temperature. If the mixer target temperature is exceeded by at
least 2 K, the mixer will be controlled with the adjusted interval.
Mixer
Selection: Yes, No
Factory setting: No
If the mixer option is activated, both relays are required for controlling the mixer:
Relay 1 = mixer open
Relay 2 = mixer closed
The power supply of the pump must be carried out externally. The pump is speed
controlled via the PWM output.
Connecting a mixer and a HE pump
S1
PWM
230 V~ external
R1 / R2:
Mixer open, mixer closed, N, PE
S3
S2
222
2
S4
1 (1) A 240 V~
1 (1) A 240 V~
R1
R2
Made in Germany
DeltaTherm
®
FK
Te mp. Sensor Pt1000
S2S1 S3 VBus
11 12 13
T2A
100 ... 240 V~
50-60 Hz
NNR2
LN
R1
2019
18
171615
S4
—
—
PWM1/2
Target temperature
Adjustment range: 30 ... 85 °C
Factory setting: 60 °C
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