LG Chem RESU10H Series User manual

Installation Manual for RESU10H for Secondary (Type-R)
Version 1.2
LG Chem strongly advises to take due care in following LGC’s RESU10H installation
manual and user guide. A warranty claim is invalid if damage is caused by human
error, inconsistent with the installation manual and/or the user guide.

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10H Type R Parallel extension is for increased capacity of battery system. This installation
Manual indicate to distinguish Primary and Secondary Pack. And make user to know
connection in battery system.
1. Connection in 10H Type R parallel battery system.
1.1 Power Cable
Power cable is connected by combiner Box. Positive and negative line should be connected
same polarity line by combiner box. Joint connection is in the combiner box. If installer
connected reverse polarity position of the power line, the battery system is not normally
operated.
Primary
Secondary
Combiner Box
Inverter

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1.2 Communication Cable (RS485 High/Low, Enable High/Low)
Communication cable is connected by daisy chain. Communication line from inverter should
be connected secondary battery pack. And the additional communication line is connected from
secondary battery pack to Primary battery pack. Secondary communication connector is fixed 2
communication line. 1st line is connected from inverter to Secondary battery pack. 2nd line is
connected between Primary and secondary. If installer connected wrong position, battery pack
is not normally operated.
Primary
Combiner Box
A-1)
Secondary
A-1)
A-2)
A-2)
A-2)
Inverter

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2. Primary/Secondary Label
Primary and Secondary battery pack can identify by the label. Primary battery pack is not
apply any type of the symbol. Secondary pack is applied the “Secondary pack”label in the
battery pack and package. The label position is the right bottom side into the cover of battery
pack. if installer want to identify the label, open the right bottom cover.
2.1 Pack Protection Cover
* Secondary Pack Only have “Secondary Pack”Label on the Protection Cover
Primary Pack
Secondary Pack

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2.2 Box
*Secondary Pack Box Only have “Secondary Pack”marks on the side of box.
Primary Pack
Secondary Pack
3. Note
3.1 Combiner Box
Combiner Box Installation refer to the combiner box installation guide.
3.2 Battery Pack Indicator
Battery pack LED Indicator is power ON after the installation of the battery pack. If
installation of the battery pack is different than the guide, battery pack Fault LED is on.
The detail indicator status refers to the battery pack installation manual of the Primary
side.
3.3 Warning
If not commissioning after installation or there is any fault on the Primary/ Secondary
pack, turn off the circuit breaker, then turn off the whole auxiliary power on/off switch
on the Primary/Secondary pack.

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Keep this manual for later use.
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