Koyoe KY-EST06KH, User Manual

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47
Note:
1) The photovoltaic input must be externally connected with SPD and DC switch;
2) When lead-acid battery is used, it is recommended to install battery temperature detector;
3) The EPS output must be connected with AC switch, and the off grid output line shall not be directly connected to Grid;
4) The grid connection must be connected with circuit breaker, SPD and voltage loss trip circuit breaker;
5) The maximum diameter of CT is 15mm, and it must be installed at the front end of ordinary load and inverter. The arrow dir ection
of CT points to the power grid;
The electrical connection should be realized as follows:
No
.
Cable Type Outer diameter
（
mm
）
Cross section
（
mm2
）
1 Battery Cable Complying with 1000V
and 50A standard 12~14mm 8mm2
2 DC cable Outdoor multi-core
copper wire cable
Complying with 1,000V
and 30A standard
4~6mm 4mm2
3 AC cable* Outdoor multi-core
copper wire cable
12~14mm 6mm2
4
Communication
cable
Shielded twisted pair
5.3~7mm
2*(0.5~1.0)mm
2
CAT 5E outdoor shielded
network cable 8*0.2mm
2
5 Additional Grounding
cable Outdoor single-core
copper wire cable
The same as that of the PE wire in
the AC cable
* If local regulations have other requirements for cables, set the cable specification according to
the local regulations.
Backup Wiring Diagram
Neutral line of alternative supply must not be isolated or switched. (applies to wiring rules
AS/NZS_3000:2012 for Australia and New Zealand)