9
REL
9
OK
REL / Relay control
Selection: ONOF, Puls,
PUSH
PSOL, PHEA, 0 - 10, ADAP
Factory setting: PSOL
ONOF
Puls, PSOL,
PHEA,
0 - 10, ADAP
BACK
PUSH
10
28
9 Relay control
With this parameter, the relay control type can be adjusted. The following types
can be selected:
Adjustment for standard pump without speed control
• ONOF : Pump on / pump off
Adjustment for standard pump with speed control
• PULS : Burst control via semiconductor relay
MIN / Minimum speed
Adjustment range: 15 ... 100 %
Adjustment for high-efficiency pump (HE pump)
Factory setting: 30 %
• PSOL : PWM profile solar pump
• PHEA : PWM profile heating pump
MAX / Maximum speed
• 0-10
Adjustment range: 20 ... 100 %
Factory setting: 100 %
• ADAP : Speed control signal via a VBus
Minimum speed
In the adjustment channel MIN a relative minimum speed for a pump connected
can be allocated to the output R1.
Maximum speed
In the adjustment channel MAX a relative maximum speed for a pump connected
can be allocated to the output R1.
: Speed control via a 0 - 10 V signal
®
/ PWM interface adapter
Note
For more information about connecting HE pumps see page 10.
Note
When loads which are not speed-controlled (e. g. valves) are used, the
pump speed value of the corresponding relay must be set to 100 % or the
control type must be set to ONOF in order to deactivate pump speed
control.
Note
When loads which are not speed-controlled (e. g. valves) are used, the
pump speed value of the corresponding relay must be set to 100 % or the
control type must be set to ONOF in order to deactivate pump speed
control.
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