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Operation Manual
Circulation-Type Liquid Cooler
ORION Unit Cooler
RKS400F-S
RKS500F
RKS750F
●This cooler is designed for industrial use. Handle with care.
●Please read this manual carefully and operate this equipment
accordingly.
●Retain this manual for future reference.
The product warranty is printed at the end of this manual.
Be sure to keep it in a safe place.
This manual is comprised of two sections.
Operation Guide ················· Pages 1 -
Installation Guide ············· Pages 37 -
CAUTION
*Photo: RKS750F
03107377010
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Summary of Contents for Orion RKS400F-S
- Page 1 Operation Manual Circulation-Type Liquid Cooler ORION Unit Cooler RKS400F-S RKS500F RKS750F *Photo: RKS750F CAUTION ●This cooler is designed for industrial use. Handle with care. ●Please read this manual carefully and operate this equipment accordingly. ●Retain this manual for future reference.
- Page 2 Thank you for your purchase. Thank you for your purchase of this ORION product. To ensure proper and safe operation, be sure to carefully read and follow the directions in this operating manual. Safety Precautions Before using the product, be sure to read the section, "Important Safety Guidelines" and operate according to those guidelines.
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Page 3: Table Of Contents
Operation Guide Contents Essential Safety Precautions ..........2 Warning Label on Product ........... 4 To Maintain Efficient and Trouble-Free Performance ... 4 Machine Layout ..............7 Operating Procedures ............9 Safety Devices ..............16 Monitoring ................17 Parameters ................ 18 Inspection and Maintenance .......... -
Page 4: Essential Safety Precautions
Essential Safety Precautions Usage Precautions WARNINGS Failure to observe the instructions contained in a WARNING may result in death or severe injury. Do not modify this equipment. Modification of this equipment will void the warranty. Do not attempt to carry out disassembly or repairs by yourself. Disassembly and repairs must be carried out by the dealer or by qualified service specialists. - Page 5 Essential Safety Precautions Usage Precautions CAUTIONS Failure to observe the instructions contained in a CAUTION may result in injury or physical damage. Do not feed incorrect liquid into the unit. This chiller is designed to operate with fresh water (compliant with the water standards developed by the Japan Refrigeration and Air Conditioning Industry Association, see page 26) or with an ethylene-glycol water solution that has a concentration of 30 to 40%.
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Page 6: Warning Label On Product
Warning Label on Product Warning Label on Product The warning labels shown below, which are affixed on the front side of this equipment, display particular important warnings that are carefully selected from significant ones. Be sure to read them before starting its operation. - Page 7 To Maintain Efficient and Trouble-Free Performance 3. Be sure that operating conditions remain within the specified range while equipment is running. Operation outside of specified limits may result in equipment failure. RKS400F-S RKS500F RKS750F 5-25 Service water temperature range (℃)
- Page 8 To Maintain Efficient and Trouble-Free Performance 10．The water level in the tank may drop due to long piping, or operation of the product for the first time. In such cases, stop the product, replenish the water, and restart the product. 11.
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Page 9: Machine Layout
Machine Layout External Appearance External Appearance ■External View Pump priming port (Front) (Priming port cap) Control Plate Specification plate Water outlet Rp3/4 Power cord access hole φ30 (incl. grommet) Drain M10 Water inlet Rp3/4 (Drain plug) (Rear) Condenser filter and Condenser... - Page 10 Machine Layout Control Plate ① ② ③ ④ ⑤ ⑥ ① Digital display Measured water temperature (normally displayed) Alarm (error) code display (flashing) ② Operation lamp ON ： Running ○ OFF ： Stopped ③ ON/OFF switch Operation/stop of chiller. ④...
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Page 11: Operating Procedures
● Do not start or stop the unit by plugging in or unplugging the power cord. Doing so can lead to an electric shock or shorts. (RKS400F-S) ● Do not loosen the priming water cap while the product is operating. Loosening the cap could allow air to enter the pump, resulting breakdown due to running dry. - Page 12 ■ Checking the Water Level. 1. Make sure that the tank is filled with the water. Fill the tank, which has a capacity specified on the table below, with the water. RKS400F-S RKS500F RKS750F Water tank capacity (L) 20 or more...
- Page 13 Operating Procedures Local Operation Mode (Operation Using the Control Panel) Local Operation Mode (Operation Using the Control plate) The product can be controlled locally if parameter "F2" is set to either "0" or "2". (The factory default setting is "2".) If parameter "F2"...
- Page 14 Operating Procedures Local Operation Mode / Remote Operation mode ■ Circulation Pump Independent Operation 1．While pressing the temperature adjust switch ▲, press the cooler ON/OFF switch. The Operation lamp will flash, the digital display will show “ ”, and the circulation pump will be operating.
- Page 15 Operating Procedures Dual Mode (Operation in Combination of Local and Remote Modes) Dual Mode (Operation in Combination of Local and Remote Modes) If parameter “F2” is set to “2” (factory default setting), then the product can be operated as follows: ■ Starting the Product 1．When the remote switch is OFF (terminals 14 and 15 are open), and the product is not running :...
- Page 16 Operating Procedures Other Procedures Other Procedures ■Checking the current temperature setting 1. Press the SET switch. The setting appears briefly (for a few seconds) in the digital display. ■Resetting after an alarm 1. Press the RESET switch. Correct the problem that caused the alarm, and then press the RESET switch. IMPORTANT ●...
- Page 17 Operating Procedures Other Other IMPORTANT ● If signal outputs are to be used, please ask your dealer or other qualified person to perform the required wiring and installation. ■ Operating Signal The signal will be output from when the product is turned on by pushing the ON/OFF switch, and will continue to be output until the ON/OFF switch is pushed again to stop the product.
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Page 18: Safety Devices
Safety Devices Product State Error Corrective Device Function Displ Action Compressor Pump The device will activate where there is a problem or overcurrent condition with the compressor Motor protector motor. E 01 I f activated, the electric circuit will be cut off and the compressor operation to stop. -
Page 19: Monitoring
Monitoring Displaying Refrigerator State Displaying Refrigerator State This unit can display operational data in the digital display on the control panel. 1. Hold down the SET switch on the control plate for 7 seconds to switch the temperature setting blinking on the digital display to alternate display of "Hr" and the "accumulated operating hours". 2. -
Page 20: Parameters
Parameters Setting and Changing Parameters Setting and Changing Parameters On this unit, you can select a range of functions by setting parameters. ■Procedure Example: Display and change the “F5” parameter (Audible alarm enable/disable). (This example will show to change the audible alarm from the factory default setting of “1” to “0”.) Doing so switches to the parameter display mode. - Page 21 Parameters Parameter Types and Functions Parameter Types and Functions ■Parameter List (Settings can be changed while the product is running.) Parameter Setting Min. set Factory default Description Units Number range value setting Power-cutoff recovery setting 0 ~ 2 ― Local / Remote operation priority 0 ~ 2 ―...
- Page 22 Parameters Parameter Types and Functions ● “F2” Local / Remote operation priority select (relevant parameter “F1”) Selects the active ON / OFF switch (cooler ON / OFF switch) between the (local) control plate or remote control switch. “F2” set value Description “F1”...
- Page 23 Parameters Parameter Types and Functions ● "F20" Water temperature upper/lower limit warning enable (Relevant parameters: "F21", "F22", and "F23".) Set this parameter to detect abnormal water temperatures. Set specific detection temperatures in parameters "F21", "F22", and "F23". “F20” set value Description Alarm detect disabled Incl.
- Page 24 Parameters Parameter Types and Functions ● "F23" Water temperature upper/lower limit warning lower limit value (relevant parameters: "F20" and "F22"). Can be set if "F20" is set to "3" or "4". Regardless of the set water temperature, if the water temperature goes below this value, the alarm will be output. "F23" setting range: from 5℃ to the "F22"...
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Page 25: Inspection And Maintenance
Inspection and Maintenance Every Week WARNING ● Never operate switches with wet hands, and never touch electrical components. Improper handling may result in electric shock. WARNING ● Do not use water to clean this product, and do not allow water to spill onto or in the vicinity of this product. - Page 26 Inspection and Maintenance Bimonthly Inspection and Maintenance / Monthly Inspection and Maintenance Bimonthly Inspection and Maintenance 1. Inspection for drain port leakage ※ If water leakage is detected, check for scratches or breaks and consult with your dealer. Replace the drain gasket if it is scratched or deformed. 2.
- Page 27 Inspection and Maintenance Monthly Inspection and Maintenance / Every Half Year 4. Clearing a " " 500-hour Filter Use Caution Alarm After cleaning condenser and the filters, clear the operating-hour timer for " ". (1) Clearing the " "500-hour Filter Use Caution Alarm operating-hour timer (It is also operable while running.) ①Hold down the RESET switch on the control plate for 5 seconds or longer.
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Page 28: Water Quality Management
Condition of working Description of trouble Procedures to take water ORION's water quality standards are designed to The presence of chloride ion or other corrosive The working water has chloride help control corrosive substances such as chloride components can lead to the corrosion of stainless steel in... -
Page 29: Troubleshooting
Troubleshooting Troubleshooting Charts WARNING ● If the product behaves abnormally, switch it off and then cut the power. Then contact your dealer or product specialist. Continuing to run the cooler while operation is abnormal may result in fire or electric shock. ● ... - Page 30 Troubleshooting Alarm Types and Product Response Chart Alarm Types and Product Response Chart ■Alarm List Actions in Alarm Operation Alarm Name response to Display Restore number signal signal alarms Alternate Manual ○ × Running 500-hour filter use caution alarm displays Alternate ×...
- Page 31 ・Please consult with your dealer if the problem persists after Other error pressing the RESET switch. RKS400F-S RKS500F RKS750F Circulation pump flow-rate (L/min) At least 15 20 or more...
- Page 32 Troubleshooting IMPORTANT ● If one of the built-in safety devices activates, press the RESET switch, conduct the appropriate measures as noted above, and then restart operation. (Please wait 4 minutes after the product stops before starting the product again.) ● Please consult with your dealer if a problem cannot be resolved by following the above mentioned measures.
- Page 33 Troubleshooting Locations of Fuse Location of Fuse WARNING ● Be sure to remount the cabinet plate(s) after resetting safety devices or taking other corrective action. Never operate the cooler while the cabinet is open. Touching the inside of the cooler may result in injury or electric shock. ● If the product behaves abnormally, switch it off and then cut the power.
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Page 34: Storing The Product
Storing the Product (Preparing winter or for other extended period of non-use) 1. Switch OFF the breaker. Cut off the power source. (Switch off the power source breaker.) 2. Drain water from the pipes (including the main unit and the water tank.) (1) Drain the water from the water tank. -
Page 35: Expendable Parts
Pump-priming port Twice a 04012344010 φ50×φ59×t3 gasket month 04000895020 O-ring For chiller, φ135 03091816010 Condenser filter (for RKS400F-S) Presence of 03091800010 Filter assembly Condenser filter (for RKS500F) Monthly damage or dirt 03091749010 Condenser filter (for RKS750F) 18502113040 For controller (125V 1A RKS450F-S) Glass fuse ――... -
Page 36: Maintenance Intervals Of Main Parts
Approximate interval time when it becomes necessary to replace the parts depending on conditions of use Approximate interval time when it becomes necessary to replace the parts depending on conditions of use Part number Part name Qty/product Remarks Replacement time 0A002056000 RKS400F-S 0A000922010 Compressor RKS500F 0A000385020 RKS750F 0A000673010 RKS400F-S 0A000736000... -
Page 37: Disposal
■ About Functionality Service Components: ● Functionality service components are parts required for maintaining the product functionality. ● Orion will maintain the functionality service components for this product for at least 7 years after its production termination. ■ How to Request After-sale Services ●... -
Page 38: Options
Options Options (Sold separately) Options (Sold separately) ■Options List Part name Part number Pieces/unit Remarks 04080536010 RKS400F-S,500F Air direction panel assy 04080369010 RKS750F... - Page 39 Installation Guide Installation should be carried out by your dealer or by a specialized installation engineer. Installing this unit on your own may result in leakage, electric shock, or fire. Contents Essential Safety Precautions ..........38 Moving the Product to the Installation Site ......40 Installation .................
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Page 40: Essential Safety Precautions
Essential Safety Precautions Usage Precautions WARNINGS Failure to observe the instructions contained in a WARNING may result in death or severe injury. Be sure to install this product in accordance with the instructions given in this manual. Improper installation may lead to water leakage, electric shock, or fire. Installation should be carried out by your dealer or by a qualified installation engineer. - Page 41 Essential Safety Precautions Usage Precautions CAUTIONS Failure to observe the instructions contained in a CAUTION may result in injury or physical damage. Be sure that the installation site is sufficiently strong to bear the full weight of this product. The product must be installed so that it is level, and must be secured into place so that it cannot be accidentally overturned.
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Page 42: Moving The Product To The Installation Site
1. The product is heavy; please be careful when unloading and placing it. 2. When carrying the product by its handles, watch your step, and always use 2 people. Model Mass (when water tank is empty) RKS400F-S 30kg RKS500F 35kg... -
Page 43: Installation
Installation Installation Site WARNING ● Installation should be carried out by your dealer or by a qualified installation engineer. Installing this product on your own may result in water leakage, electric shock, or fire. Installation Site WARNING ● Do not install in areas where flammable gas leaks may occur. Presence of flammable gas around this product may result in fire. ... - Page 44 In arranging such devices, you must use care so that air capacity of the fan may not be reduced. Model RKS400F-S RKS500F RKS750F Fan airflow (m / min) 50/60Hz 10.5/11.5...
- Page 45 5. Make the length of piping short and lessen vertical parts as much as possible. (Including start-up, keep the maximum water head of the pipe below the limit given on the table.) Model RKS400F-S RKS500F RKS750F Pipe water head standard (m) 50/60Hz 2 / 3 1.6 / 2.6...
- Page 46 Installation Wiring Work Wiring Work WARNING ● Electrical work should be carried out in accordance with the instructions given in this manual, using dedicated circuitry only. Improper workmanship or insufficient electrical capacity may result in electric shock, fire, or other hazard. ●...
- Page 47 Installation Wiring Work ■Distributing Board RKS400〜500F(-S) RKS750F Remote-Control Terminal (14,15) Signal-Output Terminal Power Connection (10,11,12,13) Terminal Power Connection Terminal Ground Ground Remote-Control Terminal (14,15) Signal-Output Terminal (10,11,12,13)
- Page 48 ※Use high-speed type with 30mA current sensitivity 3. Connect the power cord to L1 , L2 and L3 on the terminal block of the distribution panel. (RKS400F-S is equipped with the cord with caps.) (Use cord inlets.) 4. Be sure to place the ground wire. Grounding must be connected to the dedicated ground terminal by a qualified electrician.
- Page 49 Installation Wiring Work ■ Setting Up to Use Remote Operation and External Signals The product accepts input of a remote-control drive signal, and generates output of a drive signal and alarm signal. If you wish to use these signals, please refer to the specifications below and connect up the wiring accordingly.
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Page 50: Specifications
Specifications ■RKS400F-S Model RKS400F-S Cooling capacity 0.89 ／ 1.02 External finish Munsell No．7.5Ｙ7.5／0.5 External dimensions (H×D×W) 295×375×454 Mass(Tank with no water) Approx. 30 Ambient temperature range 5 to 40 ℃ Service water temperature range 5 to 25 ℃ The amount of the use minimum... - Page 51 Specifications ■RKS500F Model RKS500F Cooling capacity 1.3 ／ 1.4 External finish Munsell No．7.5Ｙ7.5／0.5 External dimensions (H×D×W) 333×375×484 Mass(Tank dryness) Approx. 35 Ambient temperature range 5 to 40 ℃ Service water temperature range 5 to 25 ℃ The amount of the use minimum L/min 15 or more circulation...
- Page 52 Specifications ■RKS750F Model RKS750F Cooling capacity 2.00 ／ 2.20 External finish Munsell No．7.5Ｙ7.5／0.5 External dimensions (H×D×W) 398×405×534 Mass(Tank dryness) Approx. 43 Ambient temperature range 5 to 40 ℃ Service water temperature range 5 to 25 ℃ The amount of the use minimum L/min 20 or more circulation...
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Page 53: External Dimensions
External dimensions ( Unit:mm ) ■RKS400F-S... - Page 54 External dimensions ( Unit:mm ) ■RKS500F 138.5...
- Page 55 External dimensions ( Unit:mm ) ■RKS750F...
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Page 56: Wiring Diagram
Wiring ■RKS400F-S... - Page 57 Wiring ■RKS500F...
- Page 58 Wiring ■RKS750F...
- Page 59 (2) In principal, the owner of the product will confirm diagnosis of the breakdown according to the operating manual. However, there might be cases where this work may be carried out instead by a member of ORION's service network. In such cases, there will be no charge where the cause of the breakdown lies with ORION.
- Page 60 S No.2265 20161020 C T.G. J.F.