Instruction manual V 2.3
43
PWM 230 - PWM 400 - PWM 400/7.5
Instruction manual
8
RESET AND FACTORY SETTINGS
8.1 General system reset
To restart the appliance without disconnecting the power supply, press the 4 keys simultaneously.
8.2 Factory
settings
The PWM leaves the factory with a set of default parameters’ values (shown on Table 16).
Table 16: Factory settings
8.3 Restoring of factory settings
To reset factory values turn off the system, press and keep the SET and + keys pressed while the system
turns on again and release them only when the "EE" appears on the display.
This way PWM automatically restores all parameters to their factory values (factory settings permanently
saved in flash memory are copied on EEPROM and verified).
After having set all parameters, PWM goes back to normal operation.
Name
Description
Factory parameters
SP
Set-point pressure
3.0 bar
rC
Rated current of the electro pump
0.0 A
Fn
Rated frequency
00
rt
Direction of rotation
00
od Operating
mode
01
rP
Restarting pressure
0.5 bar
Ad Interconnection
address
"--"
CM
Role exchange policy
01
tb
Reaction time of the water lack blockage
10 sec.
GP Proportional
coefficient
1.0 for PWM230
0.6 for PWM400 – PWM400/7.5
GI Integral
coefficient
1.0 for PWM230
1.2 for PWM400 – PWM400/7.5
FS
Max. Rotation frequency
00
FL
Min. Rotation frequency
00
Ft
Low flow rate threshold
15
AE
Enabling anti-blockage function
01
I1
Input 1 function
01
I2
Input 2 function
01
I3
Input 3 function
01
P1
P1set-point selectable by input 2
2.5 bar
o1
Output 1 function
02
o2
Output 2 function
02
FP
Manual mode test frequency
Fn - 20%