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LF serise
Chunshu
93000
Chunshu Liquid Cooling System is designed for Battery Energy Storage Systems (BESS) to maintain stable battery temperature and reduce cell temperature differences during charge/discharge. Using an ethylene glycol water solution as the coolant, the unit removes heat through a plate heat exchanger and refrigeration cycle, and supports heating via PTC to improve low-temperature operation reliability.
Installation options: Vertical Installation and Horizontal Installation
Capacity options: 3.0kW / 5.0kW / 8.0kW (by model)
Power supply: 1P~220VAC ±15% (50/60Hz)
Vertical & Horizontal Installation options for flexible cabinet/container layouts
Glycol-compatible liquid loop (ethylene glycol water solution)
Cooling + Heating integration: refrigeration cooling + PTC heating
Smart control & diagnostics with communication MODBUS-RS485 + CAN bus
High protection level for outdoor/industrial environments (IP54)
Anti-corrosion grade C3 for harsh deployment conditions
Industrial-grade components: DC inverter rotary compressor, DC speed-controlled fans and pump
Easy maintenance: liquid line filter, fill/drain ball valve, external circulation filter screen
DC inverter rotary compressor
DC speed-controlled fans and pump
Anti-corrosion grade C3
Heat pickup (BESS side): The glycol loop absorbs heat from battery cold plates / liquid channels.
Heat exchange (unit side): Heat transfers through a stainless-steel plate heat exchanger.
Refrigeration cycle: A DC inverter compressor drives the refrigerant cycle to remove heat.
Heat rejection: Condenser and fan discharge heat to ambient air.
Heating support: PTC heater warms the circulating liquid when required in cold conditions.
External air exhaust outlet
External air intake
Temperature control modes
Return liquid temperature control
Supply liquid temperature control
Battery core temperature mode (host-controlled strategy)
Communication
MODBUS-RS485
CAN bus
Choose the installation form based on your enclosure structure and piping direction:
Vertical Installation: optimized for narrow footprint layouts and front maintenance space
Horizontal Installation: optimized for lower-height spaces and top/side mounting layouts
| Item | LF50HA1T | LF80HA1T | Unit |
|---|---|---|---|
| No. | 93200 | 93300 | — |
| Power supply | 1P~220VAC ±15% 50/60Hz | 1P~220VAC ±15% 50/60Hz | — |
| Rated liquid return / supply temp. | 14.5 / 18 | 14.5 / 18 | °C |
| Cooling capacity (W18°C / L45°C) | 5.0 | 8.0 | kW |
| Power consumption (W18°C / L45°C) | 2.2 | 3.3 | kW |
| Heating (PTC) | 2.0 | 2.0 | kW |
| Cooling current (rated / max) | 9.8 / 13.0 | 14.5 / 18.0 | A |
| Heating current (rated / max) | 10.0 / 15.0 | 10.0 / 15.0 | A |
| Rated liquid flow @ 90 kPa | 50 | 50 | L/min |
| Operating temperature range | -40 ~ +55 | -40 ~ +55 | °C |
| Refrigerant | R410A / R134a (optional) | R410A / R134a (optional) | — |
| IP class | IP55 | IP55 | — |
| Noise level | 72 | 72 | dB(A) |
| Service life | 10 | 10 | Year |
| Net weight | 40 | 90 | kg |
| Outer dimensions (W×D×H) | 703×900×245 | 804×1100×300 | mm |
| Mounting method | Horizontal Installation | Horizontal Installation | — |
| Item | LF30HA2B | LF50HA1B | LF80HA1B | Unit |
|---|---|---|---|---|
| No. | 93100 | 93200 | 93300 | — |
| Power supply | 1P~220VAC ±15% 50/60Hz | 1P~220VAC ±15% 50/60Hz | 1P~220VAC ±15% 50/60Hz | — |
| Rated liquid return / supply temp. | 21 / 18 | 21 / 18 | 21 / 18 | °C |
| Cooling capacity (W18°C / L45°C) | 3.0 | 5.0 | 8.0 | kW |
| Power consumption (W18°C / L45°C) | 1.5 | 2.6 | 4.6 | kW |
| Heating (PTC) | 1.0 | 2.0 | 2.0 | kW |
| Cooling current (rated / max) | 7.1 / 12.5 | 12.3 / 15.0 | 21.6 / 28.5 | A |
| Heating current (rated / max) | 10.5 / 18.0 | 10.0 / 15.0 | 10.5 / 18.0 | A |
| Rated liquid flow @ 90 kPa | 17 | 45 | 50 | L/min |
| Operating temperature range | -40 ~ +55 | -40 ~ +55 | -40 ~ +55 | °C |
| Refrigerant | R410A / R134a (optional) | R410A / R134a (optional) | R410A / R134a (optional) | — |
| IP class | IP55 | IP55 | IP55 | — |
| Noise level | 72 | 72 | 72 | dB(A) |
| Service life | 10 | 10 | 10 | Year |
| Net weight | 55 | 65 | 95 | kg |
| Outer dimensions (W×D×H) | 275×900×710 | 275×1049×800 | 275×1150×1040 | mm |
| Mounting method | Vertical Installation | Vertical Installation | Vertical Installation | — |
Compressor: DC variable frequency rotary compressor
External fan: Centrifugal fan
Circulation pump: DC electronic speed regulating pump
Liquid heater: PTC
Plate heat exchanger: Stainless steel
Refrigerant throttling: Expansion valve
Liquid line filter: Yes
Fill/Drain ball valve: Yes
External circulation filter: Stainless steel screen
Pipe interface (Liquid supply/return): NW26 quick connect
Communication: MODBUS-RS485 + CAN bus
Certification: CE, RoHS
Anti-corrosion level: C3
Standard color: RAL7035
Housing material: SGCC
Containerized BESS thermal management
Outdoor energy storage cabinets (industrial & commercial)
High ambient temperature and high cycling-rate scenarios
Sites requiring reliable low-temperature heating support
Keep air inlet/outlet unobstructed to ensure condenser heat rejection.
Use clean, filtered glycol solution and maintain stable loop pressure and flow.
Periodically check: coolant level, joints/leakage, and clean external air inlet filter screen.
For best long-term reliability, avoid air bubbles in the liquid loop (proper venting and filling is recommended).
Q1: What coolant is supported?
Ethylene glycol water solution (glycol loop) is supported.
Q2: How to choose vertical vs horizontal installation?
Choose based on cabinet structure, maintenance space, and piping direction. Performance is capacity-based by model.
Q3: Which refrigerant is available?
R410A is standard; R134a is optional depending on project requirement.
