Industrial Cooling System: Precise Temperature Control
Thailand’s tropical climate necessitates effective cooling solutions for industrial operations. Overheating in machinery, electronic devices, and other equipment can lead to malfunctions, reduced efficiency, and potential fire hazards. Similar to how elevated body temperature impacts human health and performance, excessive heat in machinery compromises its operational integrity. This is where a Chiller system becomes essential for maintaining optimal operating temperatures and ensuring the longevity and efficiency of industrial equipment.
Chiller System Overview
A chiller is a refrigeration unit designed to produce cooling. Available in various sizes, its primary function is to generate cooling, reduce temperatures, and dissipate heat by utilizing water as the medium for heat exchange. In industrial settings, chillers are crucial for cooling machinery, extending equipment lifespan, and sustaining optimal performance levels. Applications include hydraulic injection molding machines, CNC machinery, and closed-loop systems.
Industrial Chiller for CNC and Fiber Laser Systems: Model JLFL-6000
Designed for cooling CNC machines, fiber lasers, and similar equipment, this chiller ensures stable operation and prevents overheating during use.
Key Features:
Dual digital display for simultaneous viewing of set and real-time temperatures.
Full power and micro-refrigeration with heating control capabilities.
High-precision temperature control, maintaining fluctuations within ±0.5℃.
Integrated sensor fault self-diagnosis and water flow alarm functions.
Mainboard features a highly integrated chip for robust anti-interference performance.
Machine Dimensions
Optional: Drain port with internal diameter of 19 mm or 32 mm.
Chiller Water Cooling Model JLFL Series Comparison
Understanding BTU Measurement
BTU (British Thermal Unit) is a standard unit for measuring heat energy, typically used to quantify the amount of heat required to raise the temperature of one pound of water by one degree Fahrenheit. This measurement is common in HVAC and other thermal applications.
The BTU calculation process generally involves:
Defining the system or appliance being measured.
Identifying the substance undergoing temperature change (commonly water).
Measuring the initial and final temperatures of the substance.
Calculating heat energy using the formula: Heat Energy (BTU) = Mass (lb) × Specific Heat (BTU/lb°F) × Temperature Change (°F).
Optionally accounting for system or equipment efficiency to determine actual output or input.
Chiller Water Cooling Operation with CO2 Laser Tubes
Optional Accessory: Heat Exchanger
The Heat Exchanger, when integrated with a chiller and submerged in water, further enhances cooling efficiency by facilitating additional temperature reduction.
Price: 3,000 THB
Heat Exchanger Installation with Chiller
Heat Exchanger: Auxiliary device for chillers to further reduce water temperature | SALECNC.net
Chiller Water Cooling vs. Cooling Tower
Cooling Towers are often employed in industries such as plastic injection molding due to their perceived cost-effectiveness. However, they present significant disadvantages, including large size, open-system operation that is difficult to maintain, susceptibility to dust and sediment ingress, which negatively impacts performance and shortens lifespan.
Consequently, industrial facilities increasingly favor Chiller Water Cooling systems. These units are more compact, space-efficient, and operate as closed systems, effectively preventing contaminants and offering extended operational longevity.
Cooling Tower
Chiller Water Cooling
❌ Open system
✅ Closed system
❌ Open system operation allows easy ingress of dust and sediment, leading to clogs, corrosion, and impaired functionality.
✅ Closed system operation effectively prevents dust and sediment entry. Water changes are convenient.
❌ Difficult to clean.
✅ Easy to clean.
❌ Large footprint requires significant workspace.
✅ Compact design saves considerable workspace.
❌ Shorter lifespan.
✅ Longer lifespan.
❌ Lower initial cost but higher long-term expenses due to maintenance, repairs, and shorter service life.
✅ Higher initial cost but greater long-term value, with easier maintenance and reduced operational costs.
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Normal temperature water set temperature = [low temperature water set temperature] + [F01 normal temperature water temperature difference] , Not controlled by the upper and lower temperature limits
F01
Automatic working
1
0～1
0: not used / 1: used
F03
Low temperature water set temperature
23.0℃
【F06】～【F05
The function of the parameters is detailed in: 5 Control Logic.
F04
Control temperature difference
1.0℃
0.1～20.0℃
The function of the parameters is detailed in: 5 Control Logic.
F05
Temperature setting upper limit
30.0℃
【F06】～90 ℃
Low temperature water set the settable temperature range.
F06
Temperature setting lower limit
20.0℃
-38～【F05】℃
Low temperature water set the settable temperature range.
F07
Temperature over temperature upper limit
35℃
0~99℃
Alarm when the temperature of low temperature water or normal temperature water is greater than or equal to this value.
F08
Over temperature lower limit
4℃
-38～99℃
When low temperature water or normal temperature water temperature is less than or equal to this value, it will alarm.
F09
–
F10
Off the compressor temperature difference
3.0℃
0.3～15.0℃
–
F11
Heating temperature difference
2.0℃
0.1～20.0℃
When the electric heating is controlled (that is, the [function selection] is set to 2 or 3), this parameter is valid. / The function of the parameters is detailed in: 5 Control Logic.
F12
Low temperature water temperature compensation
0
-9.9～9.9℃
–
F13
Room temperature water temperature compensation
0
-9.9～9.9℃
Add
F14
Compressor anti-frequent start time
2 minutes
1～5 minutes
–
F15
Compressor start delay
30 seconds
0～255 seconds
Press the start button for at least the set time before allowing the compressor to start
F16
High/low temperature alarm delay
10 seconds
0～255 seconds
After the set time is delayed after the power is turned on, the detection of low temperature water and normal temperature water temperature is too high/low faults.
F17
Flow alarm delay
3 seconds
0～255 seconds
After pressing the power button, it will alarm after detecting the flow switch input for this time
F18
Level alarm delay
5 seconds
0～255 seconds
After power-on, it will alarm after detecting the input of the level switch for this time
F19
Pressure detection delay
10 seconds
0～255 seconds
After turning on the compressor and delaying the set time, start to detect pressure failure.
F20
DI4 input selection
0
0～1
0: Normal temperature flow / 1: Phase sequence switch
F21
Pressure Switch
0
0～2
0: Normally open / 1: Normally closed / 2: Disabled
(When set to normally open, the switch is closed and alarms)
F22
Room temperature flow/phase sequence
0
0～2
0: Normally open / 1: Normally closed / 2: Disabled
(When set to normally open, the switch is closed and alarms)
F23
Low temperature flow switch
0
0～2
When set to normally closed, the switch is disconnected and alarms
/ When set to disable, the state of the corresponding switch is not detected.
F24
Level Switch
0
0～2
When set to normally closed, the switch is disconnected and alarms
/ When set to disable, the state of the corresponding switch is not detected.
F25
Compressor overload switch
0
0～2
When set to normally closed, the switch is disconnected and alarms
/ When set to disable, the state of the corresponding switch is not detected.
F26
Alarm relay function
1
0～1
0: Alarm signal, control the relay output according to whether the unit has a fault
(**Relay NC point: disconnect when the unit fails, and close when the unit is in standby or normal operation; )
(**Relay NO point: pulls in when the unit fails, and disconnects when the unit is in standby or normal operation. )
/ 1: Normal operation signal, according to whether the unit is operating normally to control the relay output
(**Relay NC point: disconnect when the unit is operating correctly, and close when the unit is in standby or failure; )
(**Relay NO point: when the unit is operating correctly, it is closed, and when the unit is in standby or faulty, it is disconnected. )
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