Orion RKS250F1-S Operating Manual
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Orion RKS250F1-S Operating Manual

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Operating Manual
Circulating Type Liquid Cooling Equipment
ORION Unit Cooler
RKS250F1-S
RKS400F1
 
●This product is designed for industrial use.
Handle with care.
●Please read this manual carefully and operate
this product accordingly.
●Retain this manual for future reference.
This manual is comprised of two sections.
Operation Guide   ··········  Pages 1 to 37 
Installation Guide    · ·········  Pages 38 to 56 
CAUTION
03107178010 

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Summary of Contents for Orion RKS250F1-S

  • Page 1 Operating Manual Circulating Type Liquid Cooling Equipment ORION Unit Cooler RKS250F1-S RKS400F1 CAUTION   ●This product is designed for industrial use. Handle with care. ●Please read this manual carefully and operate this product accordingly. ●Retain this manual for future reference.
  • Page 2 Thank you for your purchase. Thank you for purchasing this Orion product. To ensure safe and efficient use, please install and operate this product in accordance with the instructions provided in this manual.   Safety Precautions Before operating this product, be sure to read through the “Essential Safety Precautions” presented in this manual.

  • Page 3: Table Of Contents

    Operation Guide Contents Essential Safety Precautions ..........2 To Maintain Efficient and Trouble-Free Performance ... 4 Machine Layout ..............7 Operating Procedures ............9 Safety Devices ..............17 Monitoring ................18 Parameters ................ 19 Inspection and Maintenance ..........24 Water Quality Management ..........27 Troubleshooting ..............

  • Page 4: Essential Safety Precautions

    Essential Safety Precautions Usage Precautions (WARNINGS) WARNINGS Failure to observe the instructions contained in a WARNING may result in death or severe injury.   Do not modify this product.   Modification of this product will void the warranty. Do not attempt to carry out disassembly and repair yourself. Disassembly and repair must be carried out by the dealer or by qualified service specialists.
  • Page 5 Essential Safety Precautions Usage Precautions (CAUTIONS) CAUTIONS Failure to observe the instructions contained in a CAUTION may result in injury or physical damage. Do not feed incorrect liquid into the product. This product is designed to operate with fresh water (compliant with the water standards developed by the Japan Refrigeration and Air Conditioning Industry Association, see page 27) or with an ethylene-glycol water solution that has a concentration of 30 to 40%.

  • Page 6: To Maintain Efficient And Trouble-Free Performance

    Essential Safety Precautions Warning Label on the Product Warning Label on the Product The warning labels shown below display important warnings, and the label on the front of the chiller displays particularly important warnings. Be sure to read these warnings before operating this product. If the labels become worn or damaged in any way, contact your dealer for a replacement.
  • Page 7 To Maintain Efficient and Trouble-Free Performance 3. Note the operating ranges and always operate the product within these ranges. Operating outside the specified ranges can damage the product. RKS250F1-S RKS400F1 Working water temp. range （℃） 5 ~ 25 Ambient temp. 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.

  • Page 9: Machine Layout

    Machine Layout External Appearance External Appearance ■ External view （Front） Pump-priming port (Pump-priming port cap) Specification plate Control plate Water outlet  Rp3/4 Drain port  M10 Power cord access hole φ30 (incl. grommet) （Drain plug） Water inlet  Rp3/4 （Back） Condenser filter and condenser...
  • Page 10 Machine Layout Control Plate Control Plate ① ② ③ ④ ⑤ ⑥ ①   Digital Display Measured water temperature(normally displayed)   Alarm(error) code display (flashing) ② Cooler operation lamp   ON  ：  Running  ○  OFF  ：  Product stopped ③ Cooler ON/OFF switch Operation/stop of chiller.

  • Page 11: Operating Procedures

    (RKS250F1-S) ●  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. (RKS250F1-S) CAUTION ● 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 Operating Procedures If Starting Up For the First Time, or After Prolonged Periods of Non-Use If Starting Up For the First Time, or After Prolonged Periods of Non-Use Please note the following points before starting the product for the first time, or when restarting it after a long period of non-usage.
  • Page 13 ■ Checking the Water Level Confirm there is water in the water tank. Add water to the water tank. The amount of water should be at least the amount of water shown in the following chart. RKS250F1-S RKS400F1   Required water tank volume (L) ...
  • Page 14 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" is changed, parameter "F1" will automatically be reset at the same time. Therefore, after changing "F2", check the value of "F1"...
  • Page 15 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 cooler operation lamp will flash, the digital display will show “ ”, and the circulation pump will be operating.
  • Page 16 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 17 Operating Procedures Other Operations Other Operations ■ How to Confirm the Temperature Setting 1. Press the "SET" switch. The water temperature setting will show on the digital display for several seconds. ■ How to Clear an Alarm 1. Press the "RESET" switch. After removing the actual cause of the alarm, pressing the reset switch will clear the alarm.
  • Page 18 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.

  • Page 19: Safety Devices

    (RKS400F1) compressor motor. If activated, the electric circuit will be cut off and Motor the compressor operation to be stopped. protector (RKS250F1-S) Compressor This safety function will be activated if there is overload an abnormal overheat condition in the protector...

  • Page 20: Monitoring

    Monitoring Displaying Refrigerator State Displaying Refrigerator State This product can display operational data in the digital display on the control plate. 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 between "...

  • Page 21: Parameters

    Parameters Setting and Changing Parameters Setting and Changing Parameters Various functions of the product can be selected by changing parameter settings. ■ Parameter Setting Overview 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 22 Parameters Parameter Types and Functions Parameter Types and Functions ■ Parameter List (Settings can be changed while the product is running, except for “F15”.) Parameter Setting Min. set Factory default Description Units Number range value setting Power-cutoff recovery setting 0 ~ 2 ―...
  • Page 23 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 24 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 25 Parameters Parameter Types and Functions ●  "F22" Water temperature upper/lower limit warning upper limit value (relevant parameters: "F20" and "F23"). Can be set if "F20" is set to "3" or "4". Regardless of the set water temperature, if the water temperature goes above this value, the alarm will be output.

  • Page 26: 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 27 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 28 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 " ". ● Clearing the " "500-hour Filter Use Caution Alarm operating-hour timer ①Hold down the RESET switch on the control plate for 5 seconds or longer.

  • Page 29: Water Quality Management

    Water Quality Management CAUTION 1. Chilled water should be either clean water (tap water) or a 30 to 40% solution of industrial use ethylene glycol in water. Use of non-approved water can result in damage to the product, leaking, and possible electric shock or electrical shorts.
  • Page 30 Water Quality Management 3. Refer to the following chart in order to avert future trouble. Condition of working Description of trouble Procedures to take water working water ORION's water quality standards The presence of chloride ion or other corrosive chloride other designed...

  • Page 31: 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. CAUTION ● ...
  • Page 32 Manual ○ × Running displays Compressor overcurrent relay(RKS400F1) Alternate All stopped × ○ Compressor overload protector(RKS400F1) Manual displays Compressor motor protector(RKS250F1-S) Alternate High pressure switch Manual × ○ All stopped displays Alternate Compressor intake temperature sensor Manual × ○ All stopped...
  • Page 33 MP: Compressor motor ・Confirm whether or not there was a momentary loss of power or voltage drop from the power source. protector(RKS250F1-S) ・Clean the condenser fins and filter. ・Bring the water and ambient temperatures to within specified PRS: High pressure switch levels.
  • Page 34 Troubleshooting Chart : Circulation pump flow-rate and required water tank volume RKS250F1-S RKS400F1 Circulation pump flow-rate(L/min) At least 15 Required water tank volume(L) At least 10 At least 20 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.
  • Page 35   The screws holding the cabinet   (2 points)                   ■ Distribution Box    RKS250F1-S RKS400F1 Fuse Fuse Reset switch with compressor overcurrent relay...

  • Page 36: 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 37: Expendable Parts

    03091816010 Filter assembly Condenser filter (for RKS400F1) 18502113040 Glass fuse For controller (125V 1A RKS250F1-S) ―― Fuse is blown 18502123040 Glass fuse For controller (250V 1A RKS400F1) ※2 Indicates the time when the chance of failure due to wear increases. ※The specific maintenance cycle will depend on factors such as the operating environment and therefore components might not require replacement at the exact listed times but should be replaced when any abnormality arises.

  • Page 38: Maintenance Intervals Of Main Parts

    Approximate interval time when it becomes necessary to replace the parts depending on conditions of use   Pieces/product Part Number Part Name Remarks ※ Maintenance cycle 0A002804000 For RKS250F1-S Compressor 0A003003000 For RKS400F1 0A000673010 For RKS250F1-S Fan motor 20,000h 0A000736000...

  • Page 39: Disposal

    ■ About functionality service components: ● Functionality service components are parts required for maintaining the product's 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 40 Installation Guide Installation of this product should be performed by your dealer or other qualified personnel. Improper installation by the user could result in water leaks, electric shock, or fire. Contents Essential Safety Precautions ..........39 Moving the Product to the Installation Site ......41 Installation .................

  • Page 41: Essential Safety Precautions

    Essential Safety Precautions Usage Precautions (WARNINGS) 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 42 Essential Safety Precautions Usage Precautions (CAUTIONS) 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.

  • Page 43: Moving The Product To The Installation Site

    Moving the Product to the Installation Site Initial Check / Moving the Product to the Installation Site Initial Check Upon receiving the product, check it carefully for signs of shipping-related damage (scratches, dents, etc.). If you notice a problem, please contact your dealer.   ...

  • Page 44: 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 45 If such measures are to be taken, ensure that such construction does not result in a drop in fan air flow. RKS250F1-S RKS400F1   Fan air flow（㎥／min）50 / 60Hz 10.5 / 11.5...
  • Page 46 Piping Installation CAUTION ● Make sure that piping is installed reliably and correctly. Failure to do so can result in water splashing on nearby items. 1. Water piping RKS250F1-S RKS400F1 Water tank capacity (L) At least 10 At least 20 Inlet port size...
  • Page 47 Installation Piping Installation 5. Keep piping distances as short as is feasible, and keep rises and bends to a minimum. (Keep below the maximum head loss, including during start times.) RKS250F1-S RKS400F1 Maximum head loss (m) 50/60 Hz 2／3 6. Water inlet and outlet piping installation (connecting included...
  • Page 48 Installation Piping Installation (5) Perform installation so that there are no water or air leaks in any of the piping. Air leakage on the intake side water pipe can result in air entering the pump causing it to lose prime (run dry). (6) Connection method and names of included parts (※...
  • Page 49 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. ● Be sure to use specified cable types.
  • Page 50 Installation Wiring Work ■ Distribution box   RKS250F1-S Remote control terminal （14,15） Signal output terminal （10,11,12,13） Ground RKS400F1       Remote control   terminal （14,15）     Signal output   terminal   （10,11,12,13）            ...
  • Page 51 1．The power capacity of the power cord to the product must meet the maximum operating current specifications listed in the chart below. Always properly connect the Its own earth leakage ground wire. (An earth cord is accessories for RKS250F1-S)  breaker installed which RKS400F1  ...
  • Page 52 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.

  • Page 53: Specifications

    ③  H ose clamp (φ32 wire type) : 2 pieces ④  A wire for remote terminals connection (70mm) : 1 piece ⑤  A power cord with a plug.(2300mm) (For RKS250F1-S) ⑥  A n earth cord.(2300mm) (For RKS250F1-S) ※  Required water tank volume 10L or larger.(For RKS250F1-S)

  • Page 54: External Dimensions

    External dimensions RKS250F1-S...
  • Page 55 External dimensions RKS400F1...

  • Page 56: Wiring Diagram

    Wiring Diagram RKS250F1-S...
  • Page 57 Wiring Diagram RKS400F1...
  • Page 58 MEMO...
  • 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   Ｋ No.2139 20160727 T.G. J.F.

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