Wilo Stratos MAXO Notice De Montage Et De Mise En Service page 89

Function
Control mode
OFF
MIN
MAX
MANUAL
Table 24: Functions of manual operation
The manual operation functions OFF, MAX, MIN, MANUAL correspond to the functions Ext. OFF, Ext. MAX,
Ext. MIN, and Ext. MANUAL in their effect.
Ext. OFF, Ext. MAX, Ext. MIN, and Ext. MANUAL can be triggered via the digital inputs or via a bus system.
Priorities
Priority*
1
2
3
4
Table 25: Priorities
* Priority 1 = highest priority
NOTICE
The "MANUAL" function replaces all functions including those which are controlled via a bus
system.
If a monitored bus communication fails, the control mode set via the "MANUAL" function is
activated (Bus Command Timer).
Adjustable control modes for the MANUAL function:
Control mode
MANUAL – Differential pressure Δp-v
MANUAL – Differential pressure Δp-c
MANUAL – Volume flow Q-const.
MANUAL – Speed n-const.
Table 26: Control modes MANUAL function
Installation and operating instructions • Wilo-Stratos MAXO/-D/-Z • Ed.02/2023-10
Description
Pump works according to the set controls.
Pump is switched off. Pump is not running.
All other set controls will be overridden.
The pump is set to minimum power.
All other set controls are overridden.
The pump is set to maximum power.
All other set controls are overridden.
Pump is working according to set control, which is meant for the "MAN-
UAL" function.
Function
OFF, External OFF (binary input), External OFF (bus system)
MAX, External MAX (binary input), External MAX (bus system)
MIN, External MIN (binary input), External MIN (bus system)
MANUAL, External MANUAL (binary input)
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