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8.7.39 Min. duty (4.3.14.1)
Fig. 87 Min. duty
Description
In all systems, apart from MPC-S systems, minimum duty is only
possible for variable-speed pumps. In MPC-S systems, you can
only set the number of pumps running at 100 % speed.
Setting range
• Number of pumps in operation.
• Speed as percentage (25 to 100 %) for variable-speed pumps.
Setting via the operating panel
• Settings > Secondary functions > Min., max. and user-defined
duty > Min. duty.
Select and set:
• Number of pumps in operation, min. duty.
• Speed.
Factory setting
8.7.40 Max. duty (4.3.14.2)
Fig. 88 Max. duty
Description
The function allows you to set a number of pumps to run at
maximum performance when the function is enabled.
Setting range
You can set the number of pumps to run in the operating mode
"Max.". All pumps run at 100 % speed.
Setting via the operating panel
• Settings > Secondary functions > Min., max. and user-defined
duty > Max. duty.
Select and set:
• Number of pumps in operation at 100 % speed, max. duty.
Factory setting
Number of pumps in operation during max. duty:
All pumps (except standby pumps).
Number of pumps in operation during min. duty: 1
Speed as percentage for variable-speed pumps: 70
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