Automatic transfer switch
4 226 81
Installa
tion and user manual
21
12.2
Description of “general” menu
M02 - GENERAL
UoM
DEFAULT
RANGE
P02.01 Nominal plant voltage
VAC
400
50-50000
P02.02 Phase sequence control
OFF
OFF
L1-L2-L3
L3-L2-L1
P02.03 Wiring mode
L1-L2-L3
L1-L2-L3-N
L1-L2-L3
L1-N-L2
L1-N
P02.04 Voltage control mode
L-L
L-L
L-N
L-L + L-N
P02.05 Nominal frequency
50HZ
50 HZ
60 HZ
• P02.01 – Rated voltage of grid and generator. Set the line-to-line voltage for polyphase systems.
• P02.02 – Enable phase sequence control. OFF = no control. Direct = L1-L2-L3. Reverse = L3-L2-L1.
N.B. Enable also corresponding alarms in case of a control parameter won’t be respected.
• P02.03 – Choosing the type of connection, three-phase with/without neutral, two-phase or single phase.
• P02.04 – Voltage checks performed on concatenated, phase voltages or both.
• P02.05 – Rated frequency S.Q1/S.Q2
12.3
Description of “password” menu
M03 - PASSWORD
DEFAULT
RANGE
P03.01 Password enable
OFF
OFF-ON
P03.02 User level password
1000
0000
÷
9999
P03.03 Advanced level password
2000
0000
÷
9999
• P03.01 – If set to OFF, password management is disabled and anyone has access to the settings and commands menu.
• P03.02 – With P03.01 enabled, levels password are enabled. It is necessary insert the correct value to activate the access
to user level (the password can be modified by customer). See “
Password access chapter
”.
• P03.03 – As for P03.02, with reference to advanced level access.