Wilo Stratos MAXO Notice De Montage page 71

en
182
Communication interfaces: Setting and function
See section "Adjustment - Manual operation [} 175]" for a detailed description of the
OFF, MAX, MIN and MANUAL functions
In the "Settings" menu, select
1. "External interfaces"
2. "Control input (DI 1) function" or "Control input (DI 2) function".
Possible settings:
Selection option
Not used
External OFF
External MAX
External MIN
1)
External MANUAL
2)
External key lock
Heating/cooling switchover
Table 34: Function control input DI 1 or DI 2
1)
Function: See section "Adjustment - Manual operation [} 175]".
2)
Function: See section "Key lock on [} 198]".
3)
To guarantee the heating/cooling switchover function operates correctly at the digital
input:
1. go to "Settings" menu, "Set auto control", "Settings assistant" and select the
"Heating & cooling" application plus
2. go to "Settings" menu, "Set auto control", "Heating/cooling switchover" and
select the "Binary input" option as switchover criterion.
Override function priorities
Priority* Function
OFF, External OFF (binary input), External OFF (bus system)
1
MAX, External MAX (binary input), External MAX (bus sys-
2
tem)
MIN, External MIN (binary input), External MIN (bus system)
3
MANUAL, External MANUAL (binary input)
4
Table 35: Override function priorities
* Priority 1 = highest priority
Function control input DI 1 or DI 2
The control input does not have a function.
Contact open: Pump is switched off.
Contact closed: Pump is switched on.
Contact open: Pump is running in the mode set on
the pump.
Contact closed: Pump is running with maximum
speed.
Contact open: Pump is running in the mode set on
the pump.
Contact closed: Pump is running with minimum
speed.
Contact open: Pump is running in the mode set
on the pump or in mode requested via bus com-
munication.
Contact closed: Pump is set to MANUAL.
Contact open: Key lock is deactivated.
Contact closed: Key lock is activated.
Contact open: "Heating" active.
3)
Contact closed: "Cooling" active.
WILO SE 2018-11