Sunways STH 3-8kW Series, User Manual

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Model
STH-4.6KTL-HS STH-5KTL-HS STH-6KTL-HS STH-7KTL-HS STH-8KTL-HS
PV Input
Start-up Voltage (V) 80 80 80 80 80
Max. DC Input Voltage (V) 600 600 600 600 600
Rated DC Input Voltage (V) 360 360 360 360 360
MPPT Voltage Range (V) 100-550 100-550 100-550 100-550 100-550
No. of MPP Trackers 2 2 2 2 2
No. of PV Inputs 1/1 1/1 1/1 1/1 1/1
Max. Input Current (A) 15/15 15/15 15/15 15/15 15/15
Max. Short-circuit Current (A) 20/20 20/20 20/20 20/20 20/20
Battery
Battery Type Lithium Battery (with BMS)
Battery Communication Mode CAN / RS485
Battery Voltage Range (V) 85-500
Max. Charge/Discharge Current (A) 30/30
Rated Current of Built-in Fuse (A) 63
Output (Grid)
Rated Output Power (kW) 4.6 5/4.99
①
6 7 8
Max. Output Power (kW) 4.6 5.5/4.99
①
6.6 7.7 8
Max. Apparent Power (kVA) 4.6 5.5/4.99
①
6.6 7.7 8
Max. Input Apparent Power (kVA) 9.2
②
10
②
12
②
12
②
12
②
Max. Charging Power of Battery (kW) 4.6 5 6 7 8
Rated Output Voltage (V) L/N/PE, 220/230V
Rated AC Frequency (Hz) 50/60Hz 45-55Hz/55-65Hz
Max. Output Current (A) 21 25/21.7
①
28.7 35 36.3
Power Factor 0.8 leading …0.8 lagging
Max. Total Harmonic Distortion <3% @Rated Output Power
DCI <0.5%In
Output (Back-up)
UPS Switching Time <10ms
Max. Apparent Output Power (kVA) 4.6 4.6 6.6 7.7 8
Peak Output Apparent Power (kVA) 6 ③ , 60s 6 ③ , 60s 7.8 ③ , 60s 9.1 ③ , 60s 10 ③ , 60s
Voltage Harmonic Distortion <3% @Linear Load
8 Technical Parameters
Model
STH-4.6KTL-HS STH-5KTL-HS STH-6KTL-HS STH-7KTL-HS STH-8KTL-HS
Efficiency
Max. Efficiency 97.6% 97.6% 97.6% 97.6% 97.6%
European Efficiency 97.0% 97.0% 97.0% 97.0% 97.0%
Battery Charged by PV Max. Efficiency 98.0% 98.0% 98.0% 98.0% 98.0%
Battery Charged by AC Max. Efficiency 96.6% 96.6% 96.6% 96.6% 96.6%
Max. Battery Discharge Conversion
Efficiency
96.6% 96.6% 96.6% 96.6% 96.6%
Protection
DC Reverse Polarity Protection Integrated
Battery Input Reverse Connection
Protection
Integrated
Insulation Resistance Protection Integrated
DC Switch Optional
Surge Protection Integrated
Over-temperature Protection Integrated
Residual Current Protection Integrated
Islanding Protection Frequency Shift, Integrated
AC Over-voltage Protection Integrated
Overload Protection Integrated
AC Short-circuit Protection Integrated
General Data
Over Voltage Category PV: Ⅱ；Main: Ⅲ
Dimensions (mm) 550W*410H*175D
Weight (kg) 26
Protection Degree IP65
Self-consumption at Night (W) <15
Topology Transformer-less
Operating Temperature Range (° C) -30~60
Relative Humidity 0~100%
Operating Altitude (m) 3000
Cooling Natural Convection
Noise Level (dB) <25
Display OLED & LED
Communication WiFi / LAN (Optional)
Compliance
IEC62109、IEC62116、VDE4105、VDE0126、AS4777、RD1699、NBR16149、IEC61727、
IEC60068、IEC61683、EN50549、EN61000
8 Technical Parameters