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Model:

MIHV16O

MIHV240

Unit 2, 110 Station Road, Seven Hills ,NSW,  2147, Australia

Solid State Over-Voltage Disconnect

Operating Instructions

Please read these instructions before use

MIHV-R5

MIHV-R5

Installation:

1)This equipment must be installed by qualified personnel only and incorrect wiring can cause fire, injury or 

   death – GSL will accept no responsibility for MIHV misconnection or misuse.

2) Disconnect all live connections and ensure that all live terminals are in no danger of shorting.  

3) Mount unit in a clean, dry area preferably to a grounded metal plane.

4) Make sure that the chassis of the MIHV is grounded. Not doing so is hazardous.

5) Connect BLACK wire to common negative MPPT and battery that you wish to protect. 

6) Connect “OUT” brass terminal to the Positive terminal of the Battery and wait a few seconds for the GREEN LED to be SOLID 

    On. 

7) Connect “IN” brass terminal to the output of the MPPT. 

Notes: 

MPPT to be De-Energised during connection.  The unit will only connect and reconnect following a battery detection. 

            Do Not connect loads to the unprotected IN terminal. Loads must only be connected to the protected 

            OUT Terminal.

Remote LED:

Connect the green wire to the Positive Side of a grounded LED.

LED Indications and Alarms:

The chart to the left indicates the situations that the unit will indicate on the three LED 

indicators. Those marked with a S or a A indicate that the LED is flashing. 
“S” is for Symmetrical Flashing : 

• _ • _ •

“A” is for Asymmetrical Flashing :

 •• _ • _ •• 

After each Alarm condition please perform the following tests:

Following No Battery Detected :

 Perform MPPT Test as described below, check 

Battery BMS (Where Applicable), Check Battery and Fuses and Reset MIHV.

 

Following a Over Voltage Detection:

 Perform a MPPT Test as described below and 

check Battery.

Following a Over Temperature or Low Battery:

 No need for immediate action, the 

system may self recover. Check after a short period to see if alarm is cleared.  

MPPT Test -

   Disconnect all loads and batteries, energize MPPT and check that input is 

5V above the output. If not then MPPT may be faulty contact GSL for further information. 

Reset MIHV-

 Disconnect MPPT and then Battery. Then follow steps 5-7 of “

Installation”

LED Indication Guide

Disconnect

ed

Connect

ed

Positive Output to Battery or Device Positive

Positive Input from MPPT 

GREEN - Remote Status 

BLACK - Common Negative 

Wiring Diagram:

LED

More information https://www.caravansplus.com.au

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