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Variable differential pressure (Δp-v)
Constant differential pressure (Δp-c)
Speed constant
7-segment display (Fig. I, Item 10):
While in modes "Variable differential pressure Δp-v", "Constant differential pressure Δp-c" or "Constant
speed", the number corresponds to the characteristic curve, from 1 (minimum performance) to 9 (maximum
performance).
F02 only: While in "External control" mode, the number corresponds to the following signal types:
•
1 = PWM input Type 1
•
2 = PWM input Type 2
•
3 = Analogue 0 ... 10 V with cable break function
•
4 = Analogue 0 ... 10 V without cable break function
Control button (Fig. I, Item 6):
The operating button enables the following actions:
•
Press once: Increase characteristic curve by 1 or select next signal type.
•
Press operating button for 2 seconds: Select next control mode.
•
Press operating button for 4 seconds: Start/stop venting. If the pump displays a fault, start deblocking.
(see section "Other functions").
•
Press operating button for 9 seconds: Activation/Deactivation of the key lock (see section "Other func-
tions").
•
Press operating button for 2 seconds while switching off the pump: reset to factory setting (see section
"Other functions").
Factory setting
When activated the first time, the pump starts in the following operating mode:
•
F01: Constant speed, performance level 9 (maximum speed)
•
F02: External control, signal type 3 (analogue 0 ... 10 V with cable break function)
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Installation and operating instructions • Wilo-Para MAXO/-G/-R/-Z • Ed.04/2024-11
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