Warming circulator HRHC-N series

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Short description
Dynamic temperature control circulator designed for new energy motor and battery testing. HRHC-N series provides precise temperature and flow control for laboratory and test-bench applications with local and remote operation and integrated safety protections.

Application vehicle type

• Hybrid electric vehicle
• Pure electric vehicle
• Hydrogen engine vehicle
• Fuel cell electric vehicle
• Extended-range electric vehicle
• Other new energy vehicles

Application automotive field
Engineered for precision temperature control of permanent magnet synchronous motors, switched reluctance motors, asynchronous motors and their controllers used in new energy vehicle development and validation.

Product advantages

• Siemens 7-inch color touch screen with local + remote control modes for flexible operation.
• Automatic load fault protection with output signals to secure test-bench and device safety.
• Main components from international manufacturers (compressor, expansion valve, sensors) for reliable performance.
• Professional cabinet finish with high-pressure electrostatic coating for industrial environments.
• Modular options: auxiliary equipment and extended control features available on demand.

Technical Parameters (table)
model
HRHC-N475W | KHRHC-N4A10W | HRHC-N4A15W | HRHC-N4A25W
temperature range
-40℃～+100℃
Temperature control accuracy
±0.5℃
Temperature feedback
Pt100
temperature display
0.01k
Flow output control
3～30 L/min (HRHC-N475W); 3～40 L/min (other models)
Flow control accuracy
±0.3 L/min
Pressure display
Jeffron pressure sensor; pressure displayed on touch screen
heating power
7.5 kW | 10 kW | 15 kW | 25 kW
Cooling capacity (per model columns) at different temperatures
At 100℃: 7.5 kW | 10 kW | 15 kW | 25 kW
At 20℃: 7.5 kW | 10 kW | 15 kW | 25 kW
At 0℃: 7.5 kW | 10 kW | 15 kW | 25 kW
At -20℃: 4.5 kW | 6 kW | 10 kW | 16 kW
At -40℃: 1.8 kW | 2.5 kW | 4 kW | 6.5 kW
compressor
Emerson Valley Wheel / Danfoss Scroll Compressor
Expansion valve
Emerson / Danfoss Thermal Expansion Valve
Oil separator
Emerson
Dry filter
Emerson / Danfoss
Evaporator
High force plate heat exchanger
Input, display
Siemens 7 inch color touch screen
Safety protection
Self-diagnosis; freezer overload protection; high pressure switch; overload relay; thermal protection device; low liquid level protection; high temperature protection; sensor fault protection
Fully enclosed system
Whole system is fully enclosed: no oil mist at high temperature; low temperature does not absorb moisture from air; heat medium automatically replenished at low temperature.
Refrigerant
R404A / R507C
Connection size
G3/4
Water-cooled 25 degrees (circulation requirement)
1500 L/H | 2000 L/H | 2800 L/H | 4500 L/H (per respective model)
Water cooled condenser
Paris / Shen's casing heat exchanger
Power (MAX)
13 kW MAX | 17 kW MAX | 25 kW MAX | 38 kW MAX
Weight
280 kg | 320 kg | 360 kg | 620 kg
Voltage supply
3p-380V 50Hz (standard); optional three-phase 220V 60Hz, 400V 50Hz, 440V 60Hz
Optional features
Temperature extended to -40℃ ~ +150℃; flow control to 0.5 L/min; increased antifreeze outlet pressure control; higher-precision control of temperature/flow/pressure; CAN communication bus

Technical specifications

• Series / Model: HRHC-N Series (examples: HRHC-N475W, KHRHC-N4A10W, HRHC-N4A15W, HRHC-N4A25W)
• Temperature range: -40℃ to +100℃ (standard)
• Temperature control accuracy: ±0.5℃
• Temperature feedback sensor: Pt100
• Temperature display resolution: 0.01k
• Flow output control: typically 3–30 L/min (some models 3–40 L/min)
• Flow control accuracy: ±0.3 L/min
• Pressure display: Jeffron pressure sensor, shown on touch screen
• Heating power options: 7.5 kW, 10 kW, 15 kW, 25 kW
• Cooling capacity: see technical parameters block above
• Compressor: Emerson Valley Wheel or Danfoss Scroll
• Expansion valve: Emerson or Danfoss thermal expansion valve
• Evaporator type: high force plate heat exchanger
• User interface: Siemens 7 inch color touch screen (local + remote control supported)
• Safety protections: self-diagnosis, overload and high/low protection, sensor fault protection
• System: fully enclosed refrigerant system (prevents oil mist and moisture absorption)
• Refrigerants: R404A / R507C
• Connection: G3/4
• Water circulation requirement (25℃): 1500–4500 L/H depending on model
• Optional voltages and frequencies; CAN bus and extended temperature/flow/pressure control options