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Micha Solar
MSRx Charge Controller
User Operation Manual
Page 23 of 46
Document: 802440-30.doc
Date: December 2020
www.micha.co.uk
5.4. Menu C – Change Settings
Menu C
Screen Change Settings Description
Change Settings:
HV2 Alm Fn: Off
0
High Volts 2 Alarm Function: Select Off or On (Default = Off)
(See Section 3.7 for operation)
Change Settings:
HV2 Set V: 30.0V
1
High Volts 2 Alarm Set (Activation) Voltage
(See Section 3.7 for operation)
Change Settings:
HV2 Rst V: 27.6V
2
High Volts 2 Alarm Reset Voltage
(See Section 3.7 for operation)
Change Settings:
LV2 Alm Fn: Off
3
Low Volts 2 Alarm Function: Select Off or On (Default = Off)
(See Section 3.8 for operation)
Change Settings:
LV2 Set V: 23.4V
4
Low Volts 2 Alarm Set (Activation) Voltage
(See Section 3.8 for operation)
Change Settings:
LV2 Rst V: 27.6V
5
Low Volts 2 Alarm Reset Voltage
(See Section 3.8 for operation)
Change Settings:
BT Alm Fn: None
6
Battery Temperature Alarm Function:
0=None, 1=High, 2=Low, 3=Hi&Lo (see notes on next page)
Change Settings:
Batt Hi Temp:50C
7
Battery High Temperature Alarm Temperature
(see notes on next page)
Change Settings:
Batt Lo Temp:00C
8
Battery Low Temperature Alarm Temperature
(see notes on next page))
Change Settings:
Load Reset: Auto
9
Load Cut Reset Operation: Auto or Manual (Default = Auto)
(see notes on next page)
Relay 1 Function
Hi Volts 1 Alarm
10
Relay 1 Function
Any Alarm Function may be assigned (see next page)
Relay 2 Function
Lo Volts 1 Alarm
11
Relay 2 Function
Any Alarm Function may be assigned (see next page)
Relay 3 Function
Load Cut 1 Alarm
12
Relay 3 Function
Any Alarm Function may be assigned (see next page)
Relay 4 Function
Load Cut 2 Alarm
13
Relay 4 Function
Any Alarm Function may be assigned (see next page)
Relay 5 Function
Common Alarm
14
Relay 5 Function (only available on MSRx 19” Rack)
Any Alarm Function may be assigned (see next page)
Relay 6 Function
Array Fail Alarm
15
Relay 6 Function (only available on MSRx 19” Rack)
Any Alarm Function may be assigned (see next page)
Menu C Notes:
see next page
Menu C Notes:
Menu C Screens 6-8 – Battery Temperature Alarm Operation: