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Standalone Power : Essential System™ : User Manual
Copyright © 2014 Off-Grid Energy Australia Pty Ltd
19
DC Switchboard
Battery Fuse Disconnect Switch
The DC switchboard/battery disconnection consists of the pull down handle and fuse inserts. The switch
and fuse assembly contains up to three High Rupture Current (HRC) type fuses. These are used as the main
battery fuse protection, the fuses are specifically sized to suit your unit, the fuse sizes will be marked on the
battery fuse disconnect unit.
NOTE: SHUTDOWN SYSTEM BEFORE DISCONNECTING THIS SWITCH
Incorrect operation may cause damage.
(See Shutdown procedure displayed on inverter/charger; also see Troubleshooting)
Only use as a part of the full shut down procedure for the purposes of:
o
Maintenance
o
Repairs
o
As part of the system restarting procedure
o
When vacating property for extended periods so that electricity is not
required
o
EMERGENCY disconnect in the event of a major malfunction or fire etc.
HRC fuses are located in the handle of the assembly
(as per picture)
Always follow the official shutdown procedure displayed adjacent to the
inverter/charger. If a shutdown procedure is not displayed then contact OEA to obtain
a replacement specific to your system. Use firm pressure to fully reclose the battery
disconnect handle.
PV Array DC Isolator Switch
Used to isolate or connect the Extra Low Voltage class direct current output (up to 120 VDC)
of the solar array to the MPPT Charge controller.
Use
Simultaneously connects/disconnects and protects main DC circuits
Configuration
DC-Bus systems
Connects
Inverter/Charger, Charge Controller, and Battery Bank
Output
DC sharing point for Inverter/Charger, Charge Controller and Battery Bank