2-11
2.4.4 Diversion Charge Control DIP Switch Setting
Diversion charge control DIP switch settings are exactly the same as solar battery charging
DIP switch setting which can be referred to 2.4.2 description.
2.4.5 Battery Temperature Sensor (BTS)
For solar battery charging and diversion load control, a Battery Temperature Sensor (BTS)
is recommended for effective temperature compensated charging.
This Battery Temperature Sensor should not be installed for DC load control. The BTS is
supplied with 10 meters (33 ft) of 0.34 mm2 (22 AWG) cable. There is +/- polarity so pay
attention to connecting the polarity. Reverse of the polarity may damage the BTS.
2.4.6 System Wiring and Power-Up
Wire Size:
The five large power terminals are sized for 35 - 2.5 mm
2
(2-14 AWG) wire. The terminals
are rated for copper and aluminum conductors. Good system design generally requires large
conductor wires for the solar and battery connections that limit voltage drop losses to 3% or
less. The following table provides the maximum wire length (1-way distance / 2-wire pair)
for connecting the battery, solar array or load to the SunStar with a maximum 3% voltage
drop.
Wire Size 60 Amps 45 Amps 30 Amps
95 mm
2
(3/0 AWG)
12.86 m
(42.2 ft.)
17.15 m
(56.3 ft.)
25.72 m
(84.4 ft.)
70 mm
2
(2/0 AWG)
10.19 m
(33.4 ft.)
13.58 m
(44.6 ft.)
20.38 m
(66.8 ft.)
50 mm
2
(1/0 AWG)
8.10 m
(26.6 ft.)
10.80 m
(35.4 ft.)
16.21 m
(53.1 ft.)
35 mm
2
(2 AWG)
5.12 m
(16.8 ft.)
6.83 m
(22.4 ft.)
10.24 m
(33.6 ft.)
25 mm
2
(4 AWG)
3.21 m
(10.5 ft.)
4.27 m
(14.0 ft.)
6.41 m
(21.0 ft.)
16 mm
2
(6 AWG)
2.02 m
(6.6 ft.)
2.69 m
(8.8 ft.)
4.04 m
(13.2 ft.)
10 mm
2
(8 AWG)
1.27 m
(4.2 ft.)
1.70 m
(5.6 ft.)
2.54 m
(8.3 ft.)
6 mm
2
(10 AWG)
1.06 m
(3.5 ft.)
1.60 m
(5.2 ft.)
4 mm
2
(12 AWG)
1.00 m
(3.3 ft.)
2.5 mm
2
(14 AWG)
Maximum 1-Way Wire Distance (12 Volts)
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