Installer Manual Fleck 3900 - NXT - Programming
Ref. MKT-IM-015 / B - 08.06.2018 63 / 126
CYCLE 5
OFF to
04:00:00
Hour
This screen will only display when
cycle 4 is not OFF.
AUXILIARY
RELAY
Enabled -
Not compatible with CPO AUX
activation.
Disabled (Default)
AUX RELAY
OUTPUT START
00:00:00 to
18:00:00
Hour
Only displayed if auxiliary relay is
enabled in previous screen.
Auxiliary relay will only display if
chemical pump is OFF for system
types 6 & 7.
AUX RELAY
OUTPUT END
00:00:00 to
18:00:00
CHEMICAL
PUMP
Enabled - This screen will only display on the
lead (#1) unit for system types 6 & 7.
For all other system types, it will
display for all units.
Disabled (Default)
CPO AUX RELAY
VOLUME
1 to 9’999 L
Activate the relay output during a
service based upon the volume of
treated water. Relay is activated for a
set time after every set volume is
treated. Not compatible with aux. relay
activation.
CPO AUX RELAY
TIME
00:00:00 to
02:00:00
Hour
FLOW METER
1.0" PADDLE -
Default flow meter type is based on the
valve type.
This screen will only display on the
lead (#1) unit for system types 6 & 7.
All other system types it will display for
all units.
1.0"
TURBINE
-
1.5" PADDLE -
1.5"
TURBINE
-
2.0"
TURBINE
-
3.0"
TURBINE
-
GENERIC -
PEAK FLOW
RATE
20 to 2’000 Lpm
Only displayed if “Generic” is chosen
for the flow meter.
ADD XXX LITERS
EVERY YYY
PULSES
1 to 255
XXX: number of litres
YYY: number of pulses
Parameter Options Definition Note