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CPS SCA7KTL-SM Single‑Phase Grid‑Tied PV Inverter by CHINT Power Systems
- Modellerklärung
| Modellteil | Beschreibung |
| CPS | CHINT Power Systems product identifier |
| SCA | Single‑phase string inverter series code |
| 7KTL | Rated power 7kW, T = MPPT tracking, L = low voltage |
| SM | Standard version without display, simplified design, kostengünstig |
- Grundlegende technische Spezifikationen
DC Input
| Artikel | Spezifikation |
| Max. DC power | 7100W |
| Max. Gleichspannung | 1000In DC |
| MPPT voltage range | 120–850V DC |
| Rated DC voltage | 450In DC |
| Start‑up voltage | 100In DC |
| Min. operating voltage | 80In DC |
| Max. input current (PV1/PV2) | 11A / 11A |
| Number of MPPTs | 2 unabhängige Kanäle |
| Strings per MPPT | 1–2 strings |
| DC breaker | Optional, with overcurrent protection |
AC Output
| Artikel | Spezifikation |
| Rated AC power | 7000W |
| Max. AC power | 7700VA (10% Überlast) |
| Rated AC voltage | 230V und (single‑phase) |
| Output voltage range | 180–280V AC |
| Grid connection | L + N + PE |
| Nennausgangsstrom | 30.4A |
| Max. output current | 33.5A |
| Rated output frequency | 50/60Hz (auto‑adaptive) |
| Frequency range | 47–51Hz / 57–61Hz |
| Power factor | Einstellbar, 0.8 leading ~ 0.8 lagging |
| Total harmonic distortion (THD) | ≤3% at rated power |
Effizienz & Schutz
| Artikel | Spezifikation |
| Max. Effizienz | 98.00% |
| Chinese efficiency | 97.60% |
| European efficiency | 97.50% |
| Schutzgrad | IP65 (outdoor installation) |
| Isolationswiderstand | ≥10MΩ @ 500V DC |
| Isolation voltage | 2500V AC for 1 Minute |
| Over/under voltage & frequency protection | Standard |
| Anti‑islanding protection | Compliant with VDE 0126‑1‑1 |
| Ground fault protection | Standard, detection sensitivity ≤30mA |
Mechanisch & Umweltfreundlich
| Artikel | Spezifikation |
| Abmessungen (B×H×T) | 430×540×220mm |
| Gewicht | 22kg |
| Betriebstemperatur | -25℃ ~ +60℃ |
| Storage temperature | -40℃ ~ +85℃ |
| Relative humidity | 0–95% RH, non‑condensing |
| Höhe | ≤2000m (derated above 2000m) |
| Kühlung | Natural convection, IP65 |
- Electrical Connection & Kommunikation
Standard Terminals
| Interface | Funktion | Spezifikation |
| PV1/PV2 | DC input | MC4 connectors, IP67 |
| AC Output | AC output | 3‑pole terminal block (single‑phase L/N/PE) |
| COM1 | Main communication | WIFI/GPRS/Ethernet/RS485 (optional) |
| COM2 | Aux. Kommunikation | RS485/meter/CT/DI (optional) |
| PE | Schutzerde | Dedicated terminal, copper cable ≥6mm² |
Communication Functions
Supports WIFI / RS485 / GPRS / Ethernet
Compatible with ChintHome APP for remote monitoring and configuration
Supports Modbus RTU for third‑party monitoring systems
Supports multi‑inverter cascade monitoring (max. 32 Einheiten)
- Installation & Safety Notes
Installationsanforderungen
- Location: Well‑ventilated outdoor area, avoid direct sunlight and water immersion
- Montage: Wall‑mounted, bracket load capacity ≥44kg
- Orientierung: Vertical installation, bottom ≥30cm above ground
- Clearances: Sides ≥20cm, top ≥50cm, front ≥80cm
- Wiring sequence: DC first → AC next → communication & ground last
Sicherheitsvorkehrungen
- Ensure PV array is shaded or not illuminated before installation
- Must be installed and commissioned by qualified personnel
- DC high voltage risk: wait 5 minutes after power‑off before servicing
- Reliable earthing required, earth resistance ≤4Ω
- Do NOT disconnect DC or AC connections while inverter is running
- Typische Anwendungen
- Residential distributed PV systems: 7kW suitable for most household roofs
- Small commercial & industrial rooftop plants: single or parallel operation
- Agri‑PV projects: combined with agricultural facilities
- Off‑grid to grid‑tie retrofits: compatible with existing PV modules
- Smart microgrid systems: used as distributed generation source
- Produktmerkmale & Vorteile
- High conversion efficiency: max. 98.0%, higher energy yield
- Smart MPPT: 2 independent MPPTs, tracking efficiency ≥99.5%
- Hohe Zuverlässigkeit: IP65, wide temperature range -25℃~+60℃
- Flexible Konfiguration: optional DC breaker and communication modules
- Cost‑effective design: SM non‑display version, lower initial investment
- Reliable warranty: standard 5‑year warranty, optional 10–25 years extension
- Auswahlhilfe
| Modell | Nennleistung | Max. Effizienz | Merkmale | Anwendungen |
| SCA7KTL‑SM | 7kW | 98.00% | Standard, no display | Residential, small C&ICH |
| SCA7KTL‑PSM | 7kW | 98.00% | With LCD display | On‑site monitoring required |
| SCA8KTL‑SM | 8kW | 98.00% | Standard, no display | Larger residential roofs |
Supplementary Information for CPS SCA7KTL‑SM
(Fault Codes · Model Comparison · Packaging Data)
- Packaging Specifications (for Logistics & Procurement)
| Artikel | Wert | Einheit |
| Qty per carton | 1 | unit/carton |
| Net weight | 22 | kg |
| Gross weight | 24 | kg |
| Outer carton (L×W×H) | 480 × 280 × 590 | mm |
| Schutz | Carton + full foam packaging | — |
- SCA7KTL‑SM vs SCA7KTL‑PSM Comparison
| Artikel | SCA7KTL‑SM | SCA7KTL‑PSM |
| Definition | Standard version without display | Version with display panel |
| Local view | No screen; APP/host monitoring only | LCD screen for on‑site reading |
| Leistung / Effizienz | 7kW, 98% | 7kW, 98% |
| Elektrisch / Montage | Identisch | Identisch |
| Preis | Lower | Slightly higher |
| Anwendung | Bulk projects, Fernüberwachung | On‑site commissioning/monitoring |
| Interchangeability | Interchangeable (no screen only) | Interchangeable |
- Fault Codes & Fehlerbehebung
| Fehlercode | Beschreibung | Quick Solution |
| 1 | Grid voltage abnormal | Check mains L/N; reclose breaker |
| 2 | Grid frequency abnormal | Check grid frequency; wait for recovery |
| 3 | PV overvoltage | Check string count; reduce series modules |
| 4 | PV undervoltage | Low irradiance / Wackelkontakt; check PV connectors |
| 5 | Überstromschutz | Überlast / Kurzschluss; check cable insulation |
| 6 | Overtemperature protection | Poor ventilation / Staub; Kühlung verbessern, clean unit |
| 8 | Anti‑islanding protection | Grid outage; resumes automatically when power restored |
| 10 | Communication fault | WIFI/RS485 loose; reconnect cable/antenna |
| 13 | Erdschluss | Leckage / low insulation; check PV cable damage and earthing |
| 20 | Standby | Normal: low irradiance / below start voltage |
