Page 1 HRX-OM-Q026-V Operation Manual Installation ･ Operation Original Instructions Thermo Chiller HRSH Series        HRSH100-A -20- HRSH100-A -40- HRSH100-A -20-        HRSH150-A -20- HRSH150-A -40- HRSH150-A -20-   ...
Page 2 To the users Thank you for purchasing SMC’s Thermo chiller (hereinafter referred to as the “product”). For safety and long life of the product, be sure to read this operation manual (hereinafter referred to as the “manual”) and clearly understand the contents. ⚫...
Page 3 HRX-OM-Q026 Contents Contents Chapter 1 Safety Instructions ............1-1 Before Using the Product ..................1-1 Reading the Manual ....................1-1 Hazards ........................1-2 1.3.1 Level of hazards ........................1-2 1.3.2 Definition of “Serious injury” and “Minor injury” ..............1-2 Product Label ......................1-3 Safety Measures ......................
Page 4 HRX-OM-Q026 Contents 3.3.5 Wiring of run/stop signal input and remote signal input ............. 3-19 3.3.6 Wiring of external switch signal input ................3-22 3.3.7 Wiring of contact output signal ..................3-25 3.3.8 RS-485 communication wiring ................... 3-26 3.3.9 RS-232C communication wiring ..................3-27 Piping ........................
Page 5 HRX-OM-Q026 Contents Key-lock ......................... 5-13 5.6.1 Key-lock ..........................5-13 5.6.2 Key-lock setting / checking ....................5-14 Run Timer and Stop Timer Function ..............5-15 5.7.1 Run timer and stop timer function ..................5-15 5.7.2 Setting and checking of run timer and stop timer function ..........5-17 Ready Completion (TEMP READY) Signal ............
Page 6 HRX-OM-Q026 Contents 5.19 Anti-Snow Coverage Function ................5-45 5.19.1 Anti-snow coverage function ..................... 5-45 5.19.2 Setting/checking of anti-snow coverage function .............. 5-46 5.20 Fan motor output upper limit setting ..............5-47 5.20.1 Fan motor output upper limit setting .................. 5-47 5.20.2 Setting/checking of the fan motor output upper limit ............
Page 7 HRX-OM-Q026 Contents 8.1.4 HRSH100/150/200/250-W-40- ..................8-4 8.1.5 Option T “High head temp” ....................8-5 8.1.6 Refrigerant with GWP reference ..................8-6 8.1.7 Communication specifications ..................... 8-6 Dimensions ......................8-7 8.2.1 HRSH100-A-20/40- ......................8-7 8.2.2 HRSH150-A-20/40-, HRSH200-A-20/40- ..............8-8 8.2.3 HRSH250/300-A-20-, HRSH250/300-A-40- ..............8-9 8.2.4 HRSH100/150/200/250-W-20/40-...
Page 8 HRX-OM-Q026 Contents HRSH Series...
Page 9: Safety Instructions
HRX-OM-Q026 Chapter 1 Safety Instructions Chapter 1 Safety Instructions Before using the product, be sure to read and understand all the important actions highlighted in this manual. 1.1 Before Using the Product ● This chapter is intended to specifically describe the safety related issues for handling the product.
Page 10: Level Of Hazards
HRX-OM-Q026 Chapter 1 Safety Instructions 1.3 Hazards 1.3.1 Level of hazards The instructions given in this manual aim to assure the safe and correct operation of the product, and to prevent injury of operators or damage to the product. These instructions are grouped into three categories, Danger, Warning and Caution, which indicate the level of hazard, damage and also the degree of emergency.
Page 11: Product Label
HRX-OM-Q026 Chapter 1 Safety Instructions 1.4 Product Label Information about the product, such as Serial No. and Model No. can be found on the product label. This information is needed when contacting an SMC sales distributor. Model number Serial number Kind and amount of refrigerant * (An example of "HRSH150-A-20-S"...
Page 12: Safety Measures
HRX-OM-Q026 Chapter 1 Safety Instructions 1.5 Safety Measures 1.5.1 Safety instructions for use Follow the instructions below when using the product. Failure to follow the instructions may cause an accident and injury. ● Read and understand this manual carefully before using the product. ●...
Page 13: Emergency Measures
HRX-OM-Q026 Chapter 1 Safety Instructions Emergency Measures When emergency conditions such as natural disaster, fire, earthquake and injury occur, shut off the breaker of the user’s power supply that supplies power to the product. Even when the power supply swtich is turned off, some of the internal circuits are still energized, unless the user’s power supply is shut off.
Page 14: Material Safety Data Sheet (Msds)
HRX-OM-Q026 Chapter 1 Safety Instructions 1.8 Material Safety Data Sheet (MSDS) If the material safety data sheets of chemicals used in this product are needed, contact an SMC's sales distributor. Any chemicals used by the user must be accompanied by an MSDS. 1.8 Material Safety Data Sheet (MSDS) HRSH Series...
Page 15: Chapter 2 Name And Function Of Parts
HRX-OM-Q026 Chapter 2 Name and Function of Parts Chapter 2 Name and Function of Parts 2.1 Model Number of Product The product can be ordered with the model number configured as shown below. The product needs to be handled in different ways depending on the part number.
Page 16 HRX-OM-Q026 Chapter 2 Name and Function of Parts 2.2 Name and Function of Parts 2.2.1 HRSH-A- (Air cooled type) Breaker handle Ventilation air inlet Ventilation air inlet Option B [Earth leakage breaker] HRSH-A-20-B1 Ventilation Inside the panel HRSH***-A*-20-S, air outlet HRSH-A-40-...
Page 17 HRX-OM-Q026 Chapter 2 Name and Function of Parts 2.2.2 HRSH-W- (Water cooled type) Breaker handle HRSH-W-20-B1 HRSH-W-20-S HRSH-W-40- Fig. 2-3 Names of the parts (This drawing shows “HRSH150-W-20”.) Table 2-2: Accessory list 2 pcs. Alarm code list label ① (English 1 pc. /Japanese 1 pc.) 2 copies ②...
Page 18: Function Of Parts
HRX-OM-Q026 Chapter 2 Name and Function of Parts 2.3 Function of Parts The function of parts is as follows. Table 2-3: Function of parts Name Function Runs and stops the product and performs settings such as the circulating Operation display panel fluid temperature.
Page 19: Operation Display Panel
HRX-OM-Q026 Chapter 2 Name and Function of Parts 2.4 Operation Display Panel The operation panel on the front of the product controls the basic operation of the product. Fig. 2-4 Operation display panel Table 2-4: Operation display panel Reference Description Function page Displays the temperature and pressure of the circulating...
Page 20 HRX-OM-Q026 Chapter 2 Name and Function of Parts 2.4 Operation Display Panel HRSH Series...
Page 21: Chapter 3 Transport And Setting Up
HRX-OM-Q026 Chapter 3 Transport and Setting Up Chapter 3 Transport and Setting Up ⚫ Only persons who have sufficient knowledge and experience about the product and system are allowed to transport and set up the product. ⚫ Especially pay attention to personal safety. 3.1 Transport The product is heavy and has potential danger at transport.
Page 22: Transportation Using Forklift And Hanging
HRX-OM-Q026 Chapter 3 Transport and Setting Up 3.1.1 Transportation using forklift and hanging This is a heavy product. (Refer to Table 3-1 Weight of the product) Moving by forklift and slinging should be done by persons who have the licenses. Position to hang or less Fork inserting position...
Page 23: Transportation Using Casters
HRX-OM-Q026 Chapter 3 Transport and Setting Up 3.1.2 Transportation using casters In case of purchasing option A or the optional accessories, “Caster Adjuster- foot kit” (HRS-KS001 KS002) separately and after fastening it to the product. This is a heavy product. (Refer to Table 3-1 Weight of the product). Moving the product by casters should be done by 2 persons or more.
Page 24: Installation
HRX-OM-Q026 Chapter 3 Transport and Setting Up 3.2 Installation ⚫ Do not set up the product in places possibly exposed to leakage of flammable gas. Should any flammable gas stay around the product, the product may cause a fire. ⚫ Keep the product upright on a rigid and flat floor which can resist the weight of the product, and take measures to prevent the product from tipping over.
Page 25 HRX-OM-Q026 Chapter 3 Transport and Setting Up ● Condition that applies external force or weight causing the product to be damaged. ● Location without adequate space for maintenance as required. ● Location that is exposed to splash of water that is higher than IPX4. ●...
Page 26: Operation At Low Ambient Temperature Or Low Circulating Fluid Temperature
HRX-OM-Q026 Chapter 3 Transport and Setting Up 3.2.2 Operation at low ambient temperature or low circulating fluid temperature (1) Circulating fluid In order to avoid freezing of the circulating fluid, use aqueous solution of ethylene glycol. Ambient temperature (°C) Recommended circulating fluids 10 to 45 Tap water, ethylene glycol aqueous solution 15(wt)% -5 to 10...
Page 27 HRX-OM-Q026 Chapter 3 Transport and Setting Up 3.2.3 Operation at high ambient temperature Check the value of the refrigerant circuit pressure on the high pressure side. If heat from the product cannot be sufficiently radiated due to a rise in the ambient temperature, a lack of ventilation, high elevation, etc., the refrigerant circuit pressure on the high pressure side will rise.
Page 28 HRX-OM-Q026 Chapter 3 Transport and Setting Up Table 3-2 Amount of radiation and required ventilation Required ventilation amount (m3/min) Heat Differential temp. of Differential temp. of Model radiation C between inside C between inside (kW) and outside of and outside of installation area installation area HRSH100-A-20/40-...
Page 29: Installation And Maintenance Space
HRX-OM-Q026 Chapter 3 Transport and Setting Up 3.2.5 Installation and maintenance space It is recommended to keep the space around the product shown in Fig. 3-3. Have an enough space for the ventilation for the product. Otherwise it may cause a lack of cooling capacity or/and stoppage of the product. Ensure there is enough space for maintenance.
Page 30 HRX-OM-Q026 Chapter 3 Transport and Setting Up 3.3 Installation 3.3.1 Installation Install the product on a vibration free level floor. Prepare the M10 anchor bolts that are suitable for the material of the floor that the product will be installed on. Drive the anchor bolts in at least two places on the left and right sides of the product (four places in total).
Page 31 HRX-OM-Q026 Chapter 3 Transport and Setting Up ◼ Option A or “Caster Adjuster-foot kit” (HRS-KS001/KS002) In case of using “Caster Adjuster-foot kit”, be sure to use the adjuster foot to install on the floor. The adjuster foot is not earthquake-proof. If necessary make an earthquake-resistant measure on the customer side.
Page 32: Electrical Wiring
HRX-OM-Q026 Chapter 3 Transport and Setting Up 3.3.2 Electrical wiring ⚫ Do not modify the internal electrical wiring of the product. Incorrect wiring may cause electric shock or fire. Also, modifying the internal wiring will void the product’s warranty. ⚫ NEVER connect the ground to water line, gas pipe or lightning conductor.
Page 33 HRX-OM-Q026 Chapter 3 Transport and Setting Up ◼ Power supply specifications, power supply cable and earth leakage breaker Prepare the power supply shown in the following table. For the connection between the product and power supply, use the power supply cable and earth leakage breaker shown below. An earth leakage breaker must be mounted to a position where the breaker is easily accessible and close to the thermo- chiller.
Page 34: Preparation And Wiring Of Power Supply Cable
HRX-OM-Q026 Chapter 3 Transport and Setting Up 3.3.3 Preparation and wiring of power supply cable ⚫ The electrical facilities should be installed and wired in accordance with local laws and regulations of each country and by a person who has knowledge and experience. ⚫...
Page 35 HRX-OM-Q026 Chapter 3 Transport and Setting Up ◼ Option B “Earth leakage breaker”, option B1 “Earth leakage breaker with handle”, and HRSH--40- A breaker that has the operating characteristic below is installed. Please use a breaker that has the same or longer operating time as/than this for the customer side (upstream side).
Page 36: Preparation For Operation
HRX-OM-Q026 Chapter 3 Transport and Setting Up ◼ Preparation for operation Remove four screws to remove the front panel for the electrical unit. Front panel for the For HRSH-A-20-B1, electrical unit HRSH-A-20-S, HRSH-A-40- Note: Turn off the earth leakage breaker. The front panel of the electrical unit cannot be removed without...
Page 37 HRX-OM-Q026 Chapter 3 Transport and Setting Up Hold the handle and pull up the front panel of the electrical unit, and remove it. Handle View A Fig. 3-8 Remove the front panel for the electrical unit (This drawing shows air cooled type.) Handle View A Fig.
Page 38 HRX-OM-Q026 Chapter 3 Transport and Setting Up Connect the power supply cable and the ground cable as shown in the figure below. View A L1 L2 L3 PE Inlet of the power supply cable Note: Prepare a cable tie. Mount for cable tie Fasten the power cable to the mount on the base with the cable tie.
Page 39: Wiring Of Run/Stop Signal Input And Remote Signal Input
HRX-OM-Q026 Chapter 3 Transport and Setting Up 3.3.4 Contact input/output communicatin wiring Be sure to lock out and tag out the breaker of the facility power supply (the user’s machine power supply) before wiring. Use the cable and terminal that are specified. The capacity of the output contact of the product is limited.
Page 40 HRX-OM-Q026 Chapter 3 Transport and Setting Up Table 3-6 Power supply, contact specifications Name Terminal No. Specification 5, 6, 7 Power supply (24 VDC) 24 VDC ±10 % 500 mA MAX output 13,14, 15 (24 V COM) - Run/Stop signal input Contact input (Contact input signal 1) - External switch signal...
Page 41 HRX-OM-Q026 Chapter 3 Transport and Setting Up Connect the signal cable and switch to the terminal as shown below. (This wiring is an example. Refer to Operation Manual Communication Function for more details.) Switch Terminal No. 5 Terminal No.13 Terminal No. 3 Mount for cable tie Note: Prepare a cable tie.
Page 42 HRX-OM-Q026 Chapter 3 Transport and Setting Up 3.3.6 Wiring of external switch signal input This product can be monitored by sampling the signal of the external switch prepared by the user. Table 3-7 Power supply, contact specifications Name Terminal No. Specification 5, 6, 7 (24 VDC) Power supply output...
Page 43 HRX-OM-Q026 Chapter 3 Transport and Setting Up Prepare the flow switch described in the Table 3-9 (sold separately). Depending on the external switch output type, connect the wire the switch to the terminals for contact input signal as shown below. (This is an example of wiring. Refer to the Operation Manual Communication Function for further details.) Flow switch Blue (DC COM)
Page 44: Setting Items
HRX-OM-Q026 Chapter 3 Transport and Setting Up ◼ Setting items Table 3-10 shows the setting items of the external switch. For details, refer to “5.23 Communication Function”. Table 3-10 Setting list of the external switch Initial value Reference Display Item Example Category (Default setting)
Page 45: Wiring Of Contact Output Signal
HRX-OM-Q026 Chapter 3 Transport and Setting Up 3.3.7 Wiring of contact output signal Contact output signals are the signals that output the status of this product. Contact specification of each signal output is shown below. Be sure to turn OFF the breaker of the facility power supply (the user's machine power supply) before wiring.
Page 46 HRX-OM-Q026 Chapter 3 Transport and Setting Up 3.3.8 RS-485 communication wiring Serial communication RS-485, operation Start/Stop, setting and reading of circulating fluid temperature, and reading of alarm condition can be performed by remote control. Refer to Operation Manual Communication Function for more details. ◼...
Page 47: Rs-232C Communication Wiring
HRX-OM-Q026 Chapter 3 Transport and Setting Up 3.3.9 RS-232C communication wiring Serial communication RS-232C, operation start/stop, setting and reading of circulating fluid temperature, and reading of alarm condition can be performed by remote control. Refer to Operation Manual Communication Function for more details. ◼...
Page 48 HRX-OM-Q026 Chapter 3 Transport and Setting Up 3.4 Piping ⚫ Connect piping firmly. Incorrect piping might cause leakage of supplied or drained fluid and wet surrounding area and facility. ⚫ Use caution not to allow dust and foreign matter to enter the water circuit, etc.
Page 49: How To Connect To The Drain Port
HRX-OM-Q026 Chapter 3 Transport and Setting Up ◼ How to connect piping Hold the each piping port with a wrench and tighten the piping. Connection port Sealant Note: When using the Y strainer of the accessory, fasten it on the return port.
Page 50 HRX-OM-Q026 Chapter 3 Transport and Setting Up ◼ Recommended piping circuit Fig. 3-18 Recommended piping circuit Description Size Recommended part no. Note Valve Rc1/2 To prevent liquid spillage from the customer's piping or overflow from the tank during maintenance work. Valve Y-strainer Accessory...
Page 51: Circulating Fluid Supply
HRX-OM-Q026 Chapter 3 Transport and Setting Up Circulating Fluid Supply 3.5.1 Automatic water fill function ⚫ When clear water is used, refer to “7.1 Quality Control of Circulating Fluid and Facility Water”. ⚫ When ethylene glycol aqueous solution is used, dilute pure ethylene glycol with water.
Page 52 HRX-OM-Q026 Chapter 3 Transport and Setting Up ◼ Ethylene glycol aqueous solution When ethylene glycol aqueous solution is used, prepare the ethylene glycol aqueous solution separately. Refer to "3.2.2 Operation at low ambient temperature or low circulating fluid temperature" for the concentration of the ethylene glycol aqueous solution. To control the concentration of the ethylene glycol aqueous solution, a densitometer is available (sold separately) from SMC.
Page 53: Fluid Supply Without Using The Automatic Water Fill Function
HRX-OM-Q026 Chapter 3 Transport and Setting Up 3.5.2 Fluid supply without using the automatic water fill function To supply the circulating fluid without using automatic water fill function, remove the upper panel on the right side, and supply the fluid to the water fill port on top of the tank.
Page 54 HRX-OM-Q026 Chapter 3 Transport and Setting Up Supply the circulating fluid to the water fill port. ⚫ Confirm that the fluid level is between “HIGH” and “LOW” levels of the fluid level gauge. If it exceeds the specified level, the circulating fluid will overflow.
Page 55 HRX-OM-Q026 Chapter 3 Transport and Setting Up Option K “Water fill port” 3.5.3 ⚫ Confirm that the fluid level is between “HIGH” and “LOW” levels of the fluid level gauge. If it exceeds the specified level, the circulating fluid will overflow. ⚫...
Page 56 HRX-OM-Q026 Chapter 3 Transport and Setting Up 3.5 Circulating Fluid Supply HRSH Series 3-36...
Page 57: Chapter 4 Starting The Product
HRX-OM-Q026 Chapter 4 Starting the Product Chapter 4 Starting the Product Only people who have sufficient knowledge and experience about the product and its accessories are allowed to start and stop the product. 4.1 Before Starting Check the following points before starting the product. ◼...
Page 58: Preparation For Start
HRX-OM-Q026 Chapter 4 Starting the Product 4.2 Preparation for Start 4.2.1 Power supply Turn ON the breaker of the user’s power supply. When the product is switched ON, the operation panel display operates as shown below: ● The initial screen (HELLO screen) is displayed for 8 seconds on the operation display panel.
Page 59: Setting Of Circulating Fluid Temperature
HRX-OM-Q026 Chapter 4 Starting the Product 4.2.3 HRSH--20-B1 HRSH--20-S and HRSH--40- Turn ON the breaker handle. The product will become in the state that is explained in “4.2.1 Power supply”. Fig. 4-2 Position of the breaker handle (This drawing shows “HRSH250-A-40”.) 4.2.4 Setting of circulating fluid temperature Press the [▼] or [▲] key on the operation panel to change the SV to the...
Page 60: Preparation Of Circulating Fluid Supply To User's Equipment
HRX-OM-Q026 Chapter 4 Starting the Product 4.3 Preparation of Circulating Fluid Supply to User’s Equipment Circulating fluid is supplied only inside of the product at the time of installation of the thermo-chiller. When the product starts operation in this condition, circulating fluid level will be reduced as the fluid in the level gauge goes down due to the fluid supply to the user's equipment from the thermo-chiller, and the additional fluid needs to be supplied to the thermo-chiller.
Page 61 HRX-OM-Q026 Chapter 4 Starting the Product Press the [RESET] key (press the [▼] and [▲] keys simultaneously) to stop the alarm buzzer. Blinks Press these keys simultaneously. Turns ON Fig. 4-6 How to stop the alarm buzzer Reset alarms on the ”Alarm menu” screen. Alarm reset is not accepted from any screen except the "Alarm menu"...
Page 62 HRX-OM-Q026 Chapter 4 Starting the Product Press the [RESET] key (press the [▼] and [▲] keys simultaneously) to reset the alarm. Pressing these keys at the same time resets the alarm (low level in tank) and turns OFF the [ALARM] LED (red) and the [ ] LED.
Page 63: Operation Start And Stop
HRX-OM-Q026 Chapter 4 Starting the Product 4.4 Operation Start and Stop 4.4.1 Starting the product Allow at least five minutes before restarting the product. Before starting, check the items specified in “4.1 Before Starting” If any alarm light remains ON, refer to “Chapter 6 Alarm Notification and Troubleshooting”...
Page 64: Stopping The Product
HRX-OM-Q026 Chapter 4 Starting the Product 4.4.2 Stopping the product Press the [RUN/STOP] key on the operation panel. The [RUN] light on the operation panel blinks green at 1 second intervals, and continues operation to prepare to stop. After approximately 20 seconds, the [RUN] light turns OFF and the operation stops completely.
Page 65: Check Items During Startup
HRX-OM-Q026 Chapter 4 Starting the Product 4.5 Check Items during Startup Check the following items after starting the product. When any abnormality is found, press the [STOP] key to stop the product operation, and then turn OFF the breaker of the user’s power supply.
Page 66 HRX-OM-Q026 Chapter 4 Starting the Product 4.6 Adjustment of Circulating Fluid Flow Rate HRSH Series 4-10...
Page 67: Display And Setting Of Various Functions
HRX-OM-Q026 Chapter 5 Display and Setting of Various Functions Chapter 5 Display and Setting of Various Functions Read and understand this manual carefully before changing the settings. 5.1 List of Functions The product can have the displays and settings shown in Table 5.1-1 List of functions.
Page 68: Key Operations
HRX-OM-Q026 Chapter 5 Display and Setting of Various Functions 5.2 Function 5.2.1 Key operations Fig. 5-1 “Key operation (1/2)” and “Key operation (2/2)” show the key operations of the thermo-chiller. By pressing the [SEL] key for 1 second, the PV display blinks and the function of [SEL] key is reversed to allow reverse scrolling through the menu.
Page 69 HRX-OM-Q026 Chapter 5 Display and Setting of Various Functions MENU MENU MENU Alarm setting Communication menu setting menu Contact input Alarm Unused Communicati signal 1 Delay buzzer on mode MENU MENU timer (time sound Press the Press the delay) of 2 sec.
Page 70: List Of Parameters
HRX-OM-Q026 Chapter 5 Display and Setting of Various Functions 5.2.2 List of parameters “Table 5.2-1 List of parameters (1/3)” to “Table 5.2-3 List of parameters (3/3)” show the parameters of the thermo-chiller. Table 5.2-1 List of parameters (1/3) Reference Display Content Default* Category...
Page 71 HRX-OM-Q026 Chapter 5 Display and Setting of Various Functions Table 5.2-2 List of parameters (2/3) Reference Display Content Default Category page Pump operation mode setting HRSH100/150/200-A HRSH150/200-W HRSH250-W 0.45MPa (65PSI) (----) 5.17 Circulating fluid discharge pressure setting HRSH250/300-A HRSH100/150/200/250-W-T 0.50MPa (72PSI) (----) Setting ---- (30) Pump operation frequency setting...
Page 72 HRX-OM-Q026 Chapter 5 Display and Setting of Various Functions Table 5.2-3 List of parameters (3/3) Reference Display Content Default Category page ---- Unused ---- Unused Temperature alarm monitoring method ---- (0) Operation setting for the monitoring start timer Threshold time setting for the range over detection timer P.RUN Alarm settings for the compressor Operation setting when "Circulating fluid discharge...
Page 73: Items On The Main Display
HRX-OM-Q026 Chapter 5 Display and Setting of Various Functions 5.3 Main Display 5.3.1 Main display The current temperature and the set temperature of the circulating fluid are shown on the main display, and the main display allows the set temperature to be changed.
Page 74: Items Shown On The Alarm Menu Display
HRX-OM-Q026 Chapter 5 Display and Setting of Various Functions 5.4 Alarm Menu 5.4.1 Alarm menu The alarm menu display appears when an alarm is generated.  The alarm menu is not accessible when no alarm has been generated.  Refer to “Chapter 6 Alarm Notification and Troubleshooting” for details of the alarms. 5.4.2 Items shown on the alarm menu display The alarm menu display appears when an alarm is being generated.
Page 75: Check Monitor Menu
HRX-OM-Q026 Chapter 5 Display and Setting of Various Functions 5.5 Check Monitor Menu 5.5.1 Check monitor menu As a part of the daily inspection, the temperature, pressure and accumulated operating time can be checked. Please use this for confirmation of your daily inspection. 5.5.2 Checking with the check monitor menu The table below explains the check items in the check monitor menu.
Page 76 HRX-OM-Q026 Chapter 5 Display and Setting of Various Functions Checking: Circulating fluid return temperature Press the [SEL] key once. Display of the circulating fluid temperature returned to the return port appears on the digital display. Displays the circulating fluid temperature returning from the user’s equipment. Checking: Inlet refrigerant temperature to the compressor.
Page 77 HRX-OM-Q026 Chapter 5 Display and Setting of Various Functions Checking: Refrigerant circuit pressure on the low pressure side Press the [SEL] key once. Display of the refrigerant circuit pressure on the low pressure side appears on the digital display. Checking: Accumulated operating time of the pump Press the [SEL] key once.
Page 78 HRX-OM-Q026 Chapter 5 Display and Setting of Various Functions Checking: Accumulated operating time of the compressor Press the [SEL] key once. Display of the accumulated operating time of the compressor appears on the digital display. Refer to “Table 5.5-2 Time display” for the display. AL30 Compressor maintenance alarm is generated when the accumulated operating time of ) (when set to “A.RUN”).
Page 79 HRX-OM-Q026 Chapter 5 Display and Setting of Various Functions 5.6 Key-lock 5.6.1 Key-lock The keys can be locked to prevent the settings being changed by an operator error. Operation can be started / stopped by operating the “RUN/STOP” key even when the key-lock is being activated. If you try to change the set value with the “▲”...
Page 80: Key-Lock Setting / Checking
HRX-OM-Q026 Chapter 5 Display and Setting of Various Functions 5.6.2 Key-lock setting / checking The table below explains the setting items of the key-lock function and the initial values. Table 5.6-1 Set items for key-lock Display Item Contents Default Sets the key-lock function ON. Key-lock When the key-lock function is set ON, no other settings are available.
Page 81: Run Timer And Stop Timer Function
HRX-OM-Q026 Chapter 5 Display and Setting of Various Functions 5.7 Run Timer and Stop Timer Function 5.7.1 Run timer and stop timer function This function starts or stops operation of the product automatically when the set time has passed. The time can be set according to the user’s working hours.
Page 82 HRX-OM-Q026 Chapter 5 Display and Setting of Various Functions Timer setting examples Run timer Set to start 3 hours later ・・・ Stopped Operating ↑ Starts operating Stop timer Set to stop 3 hours later ・・・ Operating Stopped ↑Stops operating Run timer Stop timer Set to start 2 hours later, ・・・...
Page 83: Setting And Checking Of Run Timer And Stop Timer Function
HRX-OM-Q026 Chapter 5 Display and Setting of Various Functions 5.7.2 Setting and checking of run timer and stop timer function The table below explains the setting items of the run/stop timer and the initial values. Table 5.7-1 Setting of run timer and stop timer Display Item Contents...
Page 84 HRX-OM-Q026 Chapter 5 Display and Setting of Various Functions Setting/checking: Stop timer Press the [SEL] key once. Setting screen of the stop timer appears on the digital display. Select stop timer with the [▲] key or the [▼] key, and press [SEL] key to enter. Table 5.7-3 Setting of the stop timer Set value Explanation...
Page 85: Ready Completion (Temp Ready) Signal
HRX-OM-Q026 Chapter 5 Display and Setting of Various Functions 5.8 Ready Completion (TEMP READY) Signal 5.8.1 Ready completion (TEMP READY) signal This function sets a bandwidth for the set circulating fluid temperature (range between the upper and lower limit temperatures) to notify the user by communication that the circulating fluid temperature has reached the band range.
Page 86: Ready Completion (Temp Ready) Signal Setting / Checking
HRX-OM-Q026 Chapter 5 Display and Setting of Various Functions 5.8.2 Ready completion (TEMP READY) signal setting / checking The table below shows explanation and default of the set items for ready completion (TEMP READY) signal. Table 5.8-1 Set items for ready completion (TEMP READY) signal Display Item Content...
Page 87 HRX-OM-Q026 Chapter 5 Display and Setting of Various Functions Select READY bandwidth with [▲] key or [▼] key, and enter by pressing the [SEL] key. Table 5.8-3 Set value for READY mode Set value Explanation Default Sets READY bandwidth (range between the upper and lower limit temperatures) for the set circulating fluid temperature.
Page 88: Offset Function
HRX-OM-Q026 Chapter 5 Display and Setting of Various Functions 5.9 Offset Function 5.9.1 Offset function This is a function that controls the "circulating fluid display temperature" and the "target temperature for chiller temperature control" by shifting the temperature for the set offset value. This product has three different modes of offset functions (MODE 1 to 3).
Page 89: Usage Example Of Offset Function
HRX-OM-Q026 Chapter 5 Display and Setting of Various Functions 5.9.2 Usage example of offset function Suppose that the circulating fluid discharge temperature of this thermo- chiller is 30 C and the circulating fluid temperature that enters the user's equipment is 29 C due to temperature drop while it is transferred to the user's equipment in the piping: This product...
Page 90 HRX-OM-Q026 Chapter 5 Display and Setting of Various Functions ■ When only the "displayed circulating fluid temperature" needs to be the same as the circulating temperature supplied to the user's equipment: Use "MODE 2" of the offset function, and set the offset temperature to "-1.0" 1.
Page 91: Setting/Checking Of Offset Function
HRX-OM-Q026 Chapter 5 Display and Setting of Various Functions 5.9.3 Setting/checking of offset function The table below shows the set items of the offset function and the default values. Table 5.9-2 Set items for offset function Display Item Contents Default Offset mode Offset mode is set ON/OFF.
Page 92 HRX-OM-Q026 Chapter 5 Display and Setting of Various Functions Setting/Checking: Offset temperature Press the [SEL] key once. Setting screen of offset temperature appears on the digital display. Set offset temperature with [▲] key or [▼] key, and press [SEL] key to enter. Table 5.9-4 Offset temperature setting Set value Explanation...
Page 93: Operation Restoration Function After Power Failure
HRX-OM-Q026 Chapter 5 Display and Setting of Various Functions 5.10 Operation Restoration after Power Failure 5.10.1 Operation restoration function after power failure When the power supply is cut due to power failure, etc., this function restarts the operation when the power supply restores, retaining the conditions before the power cut.
Page 94: Setting/Checking Of The Operation Restoration Function
HRX-OM-Q026 Chapter 5 Display and Setting of Various Functions 5.10.2 Setting/checking of the operation restoration function The table below shows the setting items of the operation restoration after power failure function and the default setting. Table 5.10-1 Set item for operation restoration after power failure function Display Item Contents...
Page 95: Anti-Freezing Function
HRX-OM-Q026 Chapter 5 Display and Setting of Various Functions 5.11 Anti-freezing Function 5.11.1 Anti-freezing function Keep the power supply ON for this function. This function does not start when the power is OFF. This function prevents freezing of the circulating fluid while the product stops operation in the winter season with heat generated by automatically operating the pump.
Page 96: Setting/Checking Of Anti-Freezing Function
HRX-OM-Q026 Chapter 5 Display and Setting of Various Functions 5.11.2 Setting/checking of anti-freezing function The table below shows the set item of the anti-freezing function and the default setting. Table 5.11-1 Set item for anti-freezing function Display Item Contents Default Anti-freezing Sets anti-freezing function ON/OFF.
Page 97: Key Operation Sound Setting
HRX-OM-Q026 Chapter 5 Display and Setting of Various Functions 5.12 Key Operation Sound Setting 5.12.1 Key operation sound setting Operation sound (click sound) of the keys on the operation panel can be set ON/OFF. Default setting is key operation sound “ON”. 5.12.2 Setting/checking of the key operation sound The table below shows the set item for key operation sound and the default setting.
Page 98: Setting/Checking Of Temperature Unit Change
HRX-OM-Q026 Chapter 5 Display and Setting of Various Functions 5.13 Temperature Unit Change 5.13.1 Temperature unit change The temperature unit used for the thermo-chiller can be selected Celsius C) or Fahrenheit ( F). This setting determines the temperature unit which is displayed/output.
Page 99: Setting/Checking Of Pressure Unit Change
HRX-OM-Q026 Chapter 5 Display and Setting of Various Functions 5.14 Pressure Unit Change 5.14.1 Pressure unit change Pressure unit used for the thermo-chiller can be selected MPa or PSI. This setting determines the pressure unit which is displayed/ output. The default setting is MPa.
Page 100: Data Reset Function
HRX-OM-Q026 Chapter 5 Display and Setting of Various Functions 5.15 Data Reset Function 5.15.1 Data reset function Resets the values set by user to the default values. Note that the accumulated operating time will not be reset. This function resets all the set values. Use caution when operating this function.
Page 101: How To Operate Accumulated Operating Time Reset Function
HRX-OM-Q026 Chapter 5 Display and Setting of Various Functions 5.16 Accumulated Operating Time Reset Function 5.16.1 Accumulated operating time reset function The alarms shown below will be generated to notify the maintenance timing. The thermo-chiller does not stop operation for these alarms. ●...
Page 102 HRX-OM-Q026 Chapter 5 Display and Setting of Various Functions Press the [SEL] key 14 times. Resetting screen of the pump accumulated operating time appears on the digital display. with [▲] key or [▼] key, and press [SEL] key to enter. Select Select and press [SEL] key to enter, and the accumulated operating time of the pump will be reset.
Page 103 HRX-OM-Q026 Chapter 5 Display and Setting of Various Functions Reset of accumulated operating time Press and hold the [MENU] key for approximately 2 seconds. Repeat pressing the key until the key-lock setting screen [ ] appears on the digital display. Press and Press and hold [MENU]...
Page 104 HRX-OM-Q026 Chapter 5 Display and Setting of Various Functions Reset of the accumulated operating time of the dust-proof filter Press and hold the [MENU] key for approximately 2 seconds. Repeat pressing the key until the key-lock setting screen [ ] appears on the digital display.
Page 105: Pump Operation Mode Setting
HRX-OM-Q026 Chapter 5 Display and Setting of Various Functions 5.17 Pump Operation Mode Setting 5.17.1 Pump operation mode Pump operation mode can be selected from the two modes shown below. ●Pressure control mode The pump in this product automatically controls the circulating fluid discharge pressure to be the set pressure.
Page 106 HRX-OM-Q026 Chapter 5 Display and Setting of Various Functions Press and hold the [MENU] key for approximately 2 seconds. Repeat pressing the key until the key-lock setting screen [ ] appears on the digital display. Press and Press and hold [MENU] hold [MENU] key.
Page 107 HRX-OM-Q026 Chapter 5 Display and Setting of Various Functions Set circulating fluid discharge pressure with [▲] key or [▼] key, and press [SEL] key to enter. Table 5.17-3 Setting of circulating fluid discharge pressure Set value Explanation Default Setting and checking are not available when it is set to frequancy set mode.
Page 108: Warming Up Function
HRX-OM-Q026 Chapter 5 Display and Setting of Various Functions 5.18 Warming Up Function 5.18.1 Warming up function Keep the power supply ON for this function. This function does not operate when the power is OFF. This function maintains the circulating fluid temperature to the set warming-up temperature with heat generated by automatically operating the pump in the winter season or at night.
Page 109: Setting/Checking Of Warming Up Function
HRX-OM-Q026 Chapter 5 Display and Setting of Various Functions 5.18.2 Setting/checking of warming up function The table below shows the setting items of the warming up function and the default setting. Table 5.18-1 Set item for warming up function Display Item Content Default...
Page 110 HRX-OM-Q026 Chapter 5 Display and Setting of Various Functions Set the warming up temperature with [▲] key or [▼] key, and press [SEL] key to enter. Table 5.18-3 Setting of warming up temperature Set value Explanation Default Setting and checking are not available when the warming up function is set OFF.
Page 111: Anti-Snow Coverage Function
HRX-OM-Q026 Chapter 5 Display and Setting of Various Functions 5.19 Anti-Snow Coverage Function 5.19.1 Anti-snow coverage function Keep the power supply ON for this function. This function does not operate when the power is OFF. This function does not operate for water-cooled type. This function prevents snow coverage on the exhaust port on top of the product during the winter time by automatically operating the fan periodically.
Page 112: Setting/Checking Of Anti-Snow Coverage Function
HRX-OM-Q026 Chapter 5 Display and Setting of Various Functions 5.19.2 Setting/checking of anti-snow coverage function The table below shows the set item of the anti-snow coverage function and the default setting. Table 5.19-1 Set item for anti-snow coverage function Display Item Content Default...
Page 113 HRX-OM-Q026 Chapter 5 Display and Setting of Various Functions 5.20 Fan motor output upper limit setting 5.20.1 Fan motor output upper limit setting If heat from the product cannot be sufficiently radiated due to a rise in the ambient temperature, a lack of ventilation, high elevation, etc., the refrigerant circuit pressure on the high pressure side will rise.
Page 114 HRX-OM-Q026 Chapter 5 Display and Setting of Various Functions 5.20.2 Setting/checking of the fan motor output upper limit The table below shows the set item of the fan motor output upper limit and the default setting. Table5.20-2 Set item for fan motor output upper limit Display Item Contents...
Page 115: Setting/Checking Of Alarm Buzzer Sound
HRX-OM-Q026 Chapter 5 Display and Setting of Various Functions 5.21 Alarm Buzzer Sound Setting 5.21.1 Alarm buzzer sound setting This sets whether a warning sound is made or not when alarm signal is output. The default setting is buzzer sound ON. 5.21.2 Setting/checking of alarm buzzer sound The table below shows the set item of the alarm buzzer sound and the...
Page 116: Alarm Customizing Function
HRX-OM-Q026 Chapter 5 Display and Setting of Various Functions 5.22 Alarm Customizing Function 5.22.1 Alarm customizing function Operation and trigger level when an alarm signal is output can be customized. Perform settings depending on the application of the user. Refer to “Table 5.22-1 Default alarm settings and customizing (1/4)”...
Page 117 HRX-OM-Q026 Chapter 5 Display and Setting of Various Functions Table 5.22-2 Default alarm settings and customizing (2/4) 1. Operation during alarm 2. Threshold for alarm generation and 4 generation other settings Code Alarm name Display Display Default Settable range Set temperature 1.0 to 34.0 (33.8 (33.8 to 93.2...
Page 118 HRX-OM-Q026 Chapter 5 Display and Setting of Various Functions Table 5.22-3 Default Alarm setting and customizing (3/4) 1. Operation during alarm 2. Threshold for alarm generation and generation other settings Code Alarm name Display Display Default Settable range Refrigerant circuit AL16 ●...
Page 119 HRX-OM-Q026 Chapter 5 Display and Setting of Various Functions Table 5.22-4 Default alarm settings and customizing (4/4) 1. Operation during alarm 2. Threshold for alarm generation generation and other settings Code Alarm name Settable Display Display Default range Internal unit fan ○...
Page 120: Setting And Checking Of The Alarm Customizing Function
HRX-OM-Q026 Chapter 5 Display and Setting of Various Functions 5.22.2 Setting and checking of the alarm customizing function The table below shows the set items of the alarm customizing function and the default settings. Table 5.22-5 Default settings of the alarm customizing function (1/3) Alarm 1 Display...
Page 121 HRX-OM-Q026 Chapter 5 Display and Setting of Various Functions Table 5.22-6 Default settings of the alarm customizing function (2/3) Alarm Default Display Content Change Code Alarm name Setting function for Contact input 1 signal Product operation while the AL31 A.STP "Contact input detection alarm is being generated...
Page 122 HRX-OM-Q026 Chapter 5 Display and Setting of Various Functions Table 5.22-7 Default settings of the alarm customizing function (3/3) Alarm Alarm Display Content Default Display Code Alarm name Operation setting when "Circulating fluid Circulating fluid Product operation AL25 A.STP discharge pressure discharge pressure while the alarm is sensor error"...
Page 123 HRX-OM-Q026 Chapter 5 Display and Setting of Various Functions Press and hold the [MENU] key for approximately 2 seconds. Repeat pressing the key until the alarm buzzer sound setting screen [ ] appears on the digital display. Press and Press and Press and hold hold...
Page 124 HRX-OM-Q026 Chapter 5 Display and Setting of Various Functions Setting/Checking: Operation setting when "Circulating fluid discharge temp. rise" alarm is generated Press the [SEL] key once. Operation setting screen when "Circulating fluid discharge temp. rise" alarm is generated appears on the digital display. Set the product operation when "Circulating fluid discharge temp.
Page 125 HRX-OM-Q026 Chapter 5 Display and Setting of Various Functions Setting/Checking: Operation setting when "Circulating fluid discharge temp. drop" alarm is generated Press the [SEL] key once. Operation setting screen when "Circulating fluid discharge temp. drop" alarm is generated appears on the digital display. Set the product operation when "Circulating fluid discharge temp.
Page 126 HRX-OM-Q026 Chapter 5 Display and Setting of Various Functions Setting/Checking: Operation setting when "Circulating fluid discharge pressure rise" alarm is generated Press the [SEL] key once. Operation setting screen when "Circulating fluid discharge pressure rise" alarm is generated appears on the digital display. Set the product operation when "Circulating fluid discharge pressure rise"...
Page 127 HRX-OM-Q026 Chapter 5 Display and Setting of Various Functions Setting/Checking: Operation setting when "Circulating fluid discharge pressure drop" alarm is generated Press the [SEL] key once. Operation setting screen when "Circulating fluid discharge pressure drop" alarm is generated appears on the digital display. Set the product operation when "Circulating fluid discharge pressure drop"...
Page 128 HRX-OM-Q026 Chapter 5 Display and Setting of Various Functions Setting/Checking: Operation setting when "Communication error" alarm is generated Press the [SEL] key once. Operation setting screen when "Communication error" alarm is generated appears on the digital display. Set operation when "Communication error" alarm is generated with [▲] key or [▼] key, and confirm by pressing “SEL”.
Page 129 HRX-OM-Q026 Chapter 5 Display and Setting of Various Functions Set the product operation when "Contact input 1 signal detection" alarm is generated with [▲] key or [▼] key, and press [SEL] key to enter. Table 5.22-19 Operation setting when "Contact input 1 signal detection" alarm is generated Set value Explanation Default...
Page 130 HRX-OM-Q026 Chapter 5 Display and Setting of Various Functions Set the product operation when "DC line fuse cut" alarm is generated with [▲] key or [▼] key, and press [SEL] key to enter. Table 5.22-21 Operation setting when "DC line fuse cut" alarm is generated Set value Explanation Default...
Page 131 HRX-OM-Q026 Chapter 5 Display and Setting of Various Functions Setting/Checking: Monitoring start timer Press the [SEL] key once. Setting screen of the monitoring start timer is displayed on the digital display. Set monitoring start timer with the [▲] key or the [▼] key, and press [SEL] key to enter. Table 5.22-23 Setting of the monitoring start timer Set value Explanation...
Page 132: Setting Of Temperature Alarm Monitoring Method And Alarm Generation Timing
HRX-OM-Q026 Chapter 5 Display and Setting of Various Functions 5.22.3 Setting of temperature alarm monitoring method and alarm generation timing Examples of temperature alarm monitoring method setting and alarm generation timing are shown below. ◼ When "Automatic monitoring" is selected; [1] Circulating fluid temperature when starting operation: Approximately 20 Circulating fluid set temperature : 15...
Page 133 HRX-OM-Q026 Chapter 5 Display and Setting of Various Functions ◼ When "Automatic monitoring + Monitoring start timer" is selected [1] Circulating fluid temperature when starting operation: Approximately 20 Circulating fluid set temperature : 15 [3] "AS.21: Temperature alarm monitoring method": Select "Automatic monitoring + Monitoring start timer".
Page 134 HRX-OM-Q026 Chapter 5 Display and Setting of Various Functions Setting/Checking: Operation when compressor related alarms are generated Press the [SEL] key once. Setting screen of the product operation when compressor related alarms are generated appears on the digital display. Set the product operation when the compressor related errors are generated with the [▲] key or [▼] key.
Page 135 HRX-OM-Q026 Chapter 5 Display and Setting of Various Functions Setting/Checking: Operation setting when "Circulating fluid discharge pressure sensor error" alarm is generated Press the [SEL] key once. Operation setting screen when "Circulating fluid discharge pressure sensor failure" alarm is generated appears on the digital display. Set the product operation when "Circulating fluid discharge pressure sensor failure"...
Page 136 HRX-OM-Q026 Chapter 5 Display and Setting of Various Functions Setting/Checking: Operation setting when "Fan maintenance" alarm is generated Press the [SEL] key once. Operation setting screen when "Fan maintenance" alarm is generated appears on the digital display. Set the product operation when "Fan maintenance" alarm is generated with [▲] key or [▼] key, and press [SEL] key to enter.
Page 137 HRX-OM-Q026 Chapter 5 Display and Setting of Various Functions Setting/Checking: Operation setting when "Dust-proof filter maintenance" alarm is generated Press the [SEL] key once. Operation setting screen when "Dust-proof filter maintenance" alarm is generated appears on the digital display. Set the product operation when "Dust-proof filter maintenance" alarm is generated with [▲] key or [▼] key, and press [SEL] key to enter.
Page 138 HRX-OM-Q026 Chapter 5 Display and Setting of Various Functions Setting/Checking: Monitoring time for maintenance of dustproof filter Press the [SEL] key once. Setting screen of the monitoring time before "Dust-proof filter maintenance" alarm is generated is displayed on the digital display. Set the monitoring time before the "Dust-proof filter maintenance"...
Page 139: Setting/Checking Of Communication Function
HRX-OM-Q026 Chapter 5 Display and Setting of Various Functions 5.23 Communication Function 5.23.1 Communication function Contact input/output and serial communication can be performed. Refer to the Operation Manual Communication Function for more details. 5.23.2 Setting/checking of communication function The table below shows the set items of the communication function and default settings.
Page 140 HRX-OM-Q026 Chapter 5 Display and Setting of Various Functions Setting/Checking: Communication mode Press and hold the [MENU] key for approximately 2 seconds. Repeat pressing the key until the communication mode setting screen [ ] appears on the digital display. Press and Press and Press and hold [MENU]...
Page 141 HRX-OM-Q026 Chapter 5 Display and Setting of Various Functions Select a serial communication protocol with [▲] key or [▼] key, and press [SEL] key to enter. Table 5.23-3 Setting of serial communication protocol Set value Explanation Default MODBUS protocol ✓ Simple communication protocol 1 1 Simple communication protocol 2...
Page 142 HRX-OM-Q026 Chapter 5 Display and Setting of Various Functions Setting/Checking: Slave addresses (MODBUS) Press the [SEL] key once. Setting screen of slave addresses (MODBUS) is displayed on the digital display. Set slave addresses (MODBUS) with [▲] key or [▼] key, and press [SEL] key to enter. Table 5.23-6 Slave address settings Set value Explanation...
Page 143 HRX-OM-Q026 Chapter 5 Display and Setting of Various Functions Set slave addresses (simple communication protocol) with [▲] key or [▼] key, and press [SEL] key to enter. Table 5.23-8 Setting of slave addresses Set value Explanation Default Setting/checking is possible only when the serial protocol setting is simple communication protocol.
Page 144 HRX-OM-Q026 Chapter 5 Display and Setting of Various Functions Set BCC (simple communication protocol) with [▲] key or [▼] key, and press [SEL] key to enter. Table 5.23-10 BCC setting Set value Explanation Default Setting/checking is possible only when the serial protocol setting is simple communication protocol.
Page 145 HRX-OM-Q026 Chapter 5 Display and Setting of Various Functions Perform setting for parity check (simple communication protocol) with [▲] key or [▼] key, and press [SEL] key to enter. Table 5.23-12 Parity check setting Set value Explanation Default Setting/checking is possible only when the serial protocol setting is simple communication protocol.
Page 146 HRX-OM-Q026 Chapter 5 Display and Setting of Various Functions Set responce delay time (simple communication protocol) with [▲] key or [▼] key, and press [SEL] key to enter. Table 5.23-14 Setting of response delay time Set value Explanation Default Setting/checking is possible only when the serial protocol setting is simple communication protocol.
Page 147 HRX-OM-Q026 Chapter 5 Display and Setting of Various Functions Perform setting for the contact input signal 1 with [▲] key or [▼] key, and press [SEL] key to enter. Table 5.23-16 Setting for contact input signal 1 Set value Explanation Default No signal input Run/Stop signal input...
Page 148 HRX-OM-Q026 Chapter 5 Display and Setting of Various Functions Set time delay for the contact input signal 1 delay timer for reading with [▲] key or [▼] key, and press [SEL] key to enter. Table 5.23-18 Setting of time delay for contact input signal delay timer for reading Set value Explanation Default...
Page 149 HRX-OM-Q026 Chapter 5 Display and Setting of Various Functions Perform setting of the contact input signal 2 with [▲] key or [▼] key, and press [SEL] key to enter. Table 5.23-20 Setting of the contact input signal 2 Set value Explanation Default No signal input...
Page 150 HRX-OM-Q026 Chapter 5 Display and Setting of Various Functions Set time delay for the contact input signal 2 delay timer for reading with [▲] key or [▼] key, and press [SEL] key to enter. Table 5.23-22 Setting of time delay for the contact input signal 2 delay timer for reading Set value Explanation Default...
Page 151 HRX-OM-Q026 Chapter 5 Display and Setting of Various Functions Select a function with [▲] key or [▼] key, and press [SEL] to enter. Table 5.23-24 Setting for the contact output signal 1 Set value Explanation Default No signal output Operation status signal output ✓...
Page 152 HRX-OM-Q026 Chapter 5 Display and Setting of Various Functions Setting/Checking: Selected alarm for contact output signal 1 Press the [SEL] key once. Setting screen of selected alarm of the contact output signal 1 is displayed on the digital display. Set the alarm selected for the contact output signal 1 with [▲] key or [▼] key, and press [SEL] key to enter.
Page 153 HRX-OM-Q026 Chapter 5 Display and Setting of Various Functions Select a function with [▲] key or [▼] key, and press [SEL] to enter. Table 5.23-27 Setting for the contact output signal 2 Set value Explanation Default No signal output Operation status signal output Remote status signal output ✓...
Page 154 HRX-OM-Q026 Chapter 5 Display and Setting of Various Functions Setting/Checking: Selected alarm for contact output signal 2 Press the [SEL] key once. Setting screen of selected alarm of the contact output signal 2 is displayed on the digital display. Set the alarm selected for the contact output signal 2 with [▲] key or [▼] key, and press [SEL] key to enter.
Page 155 HRX-OM-Q026 Chapter 5 Display and Setting of Various Functions Select a function for the contact output signal 3 with [▲] key or [▼] key, and press [SEL] key to enter. Table 5.23-30 Function setting for the contact output signal 3 Set value Explanation Default...
Page 156 HRX-OM-Q026 Chapter 5 Display and Setting of Various Functions Setting/Checking: Selected alarm for contact output signal 3 Press the [SEL] key once. Setting screen of the selected alarm of the contact output signal 3 is displayed on the digital display. Set the alarm selected for the contact output signal 3 with [▲] key or [▼] key, and press [SEL] key to enter.
Page 157: Chapter 6 Alarm Notification And Troubleshooting
HRX-OM-Q026 Chapter 6 Alarm Notification and Troubleshooting Chapter 6 Alarm Notification and Troubleshooting 6.1 Alarm Notification ● The product makes notification in the order shown below when any alarm is generated. The [ALARM] light blinks. ● The alarm buzzer sounds. ●...
Page 158 HRX-OM-Q026 Chapter 6 Alarm Notification and Troubleshooting ● When multiple alarms are generated, the alarm codes are displayed one by one by pressing the [SEL] key Alarm with the number ”1” in the SV window on the digital display is the latest alarm.
Page 159: Alarm Buzzer Stop
HRX-OM-Q026 Chapter 6 Alarm Notification and Troubleshooting 6.2 Alarm Buzzer Stop An alarm buzzer sounds to notify when any alarms are generated. How to stop the alarm buzzer is explained below. ● Confirm that the alarm display is shown. The alarm buzzer can be stopped only on this screen.
Page 160: Alarm Contents, Causes, And Troubleshooting
HRX-OM-Q026 Chapter 6 Alarm Notification and Troubleshooting 6.3 Troubleshooting 6.3.1 Alarm contents, causes, and troubleshooting Troubleshooting method varies depending on which alarm has been generated. Refer to ’’Table 6-1 Alarm codes and troubleshooting (1/3)’. Instructions to reset the alarms after eliminating the causes of the alarms explained below.
Page 161 HRX-OM-Q026 Chapter 6 Alarm Notification and Troubleshooting Table 6-1 Alarm codes and troubleshooting (1/3) Operation Cause/Countermeasure Alarm Alarm name status (Press the reset key after eliminating the code (Default) cause.) Fluid level shown by the fluid level meter has AL01 Low level in tank A.STP fallen.
Page 162 HRX-OM-Q026 Chapter 6 Alarm Notification and Troubleshooting Table 6-2 Alarm codes and troubleshooting (2/3) Alarm Cause / Remedy Code Alarm name operation (Press the reset key after eliminating the (Default) cause.) Controller failure. AL20 Memory error A.STP Ask for service for the controller. Fuse for the power supply output of the contact input/output connector has blown.
Page 163 HRX-OM-Q026 Chapter 6 Alarm Notification and Troubleshooting Table 6-3 Alarm codes troubleshooting (3/3) Alarm Cause / Remedy Code Alarm name operation (Press the reset key after eliminating the (Default) cause.) Notice of the periodical maintenance. Clean the dust-proof filter. 1 to 9999 Reset the operation cumulated Dust-proof filter 2...
Page 164: How To Release Fan Breaker Trip Alarm
HRX-OM-Q026 Chapter 6 Alarm Notification and Troubleshooting 6.3.2 How to release Fan Breaker Trip alarm ⚫ Water-cooled type model does not generate this alarm. Be sure to lock out and tag out the breaker of the facility power supply (user's power supply) before wiring. Turn OFF the earth leakage beaker of the user's power supply.
Page 165 HRX-OM-Q026 Chapter 6 Alarm Notification and Troubleshooting Check if the fan breaker has tripped. If tripped, push down the black lever of the fan breaker to turn it ON. Fan breaker Red lever Black lever Lever state when the Red lever: Pushed down breaker is OFF Black lever: Raised up Red lever: Raised up...
Page 166: Other Errors
HRX-OM-Q026 Chapter 6 Alarm Notification and Troubleshooting 6.4 Other Errors ◼ How to check other errors Possible causes and countermeasures for failures with no alarm number display are shown in ’’Table 6-4 ’’. Table 6-4 Possible causes and countermeasures for failures without alarm number Content of failure Possible cause Countermeasure...
Page 167: Chapter 7 Control, Inspection And Cleaning
HRX-OM-Q026 Chapter 7 Control, Inspection and Cleaning Chapter 7 Control, Inspection and Cleaning 7.1 Quality Control of Circulating Fluid and Facility Water Use specified fluids only. If other fluids are used, they may damage the product, causing fluid leakage, or result in hazards such as electric shock or leakage of electricity.
Page 168: Inspection And Cleaning
HRX-OM-Q026 Chapter 7 Control, Inspection and Cleaning 7.2 Inspection and Cleaning ⚫ Do not perform key operation or setting of this equipment with wet hands. Do not touch the electrical parts such as the power supply plug. It may cause an electric shock. ⚫...
Page 169 HRX-OM-Q026 Chapter 7 Control, Inspection and Cleaning ◼ Periodical inspection during the summer season If heat from the product cannot be sufficiently radiated due to a rise in the ambient temperature, a lack of ventilation, high elevation, etc., the refrigerant circuit pressure on the high pressure side will rise.
Page 170: Monthly Check
HRX-OM-Q026 Chapter 7 Control, Inspection and Cleaning 7.2.2 Monthly check Table 7-3 Contents of monthly check Item Contents of check Ventilating condition Clean the ventilating Make sure the ventilating grilles are not clogged (air cooled type) grilles. with dust, etc. Facility water Make sure the facility water is clean and contains Check the facility water.
Page 171: Inspection Every 3 Months
HRX-OM-Q026 Chapter 7 Control, Inspection and Cleaning ◼ Cleaning of dust-proof filter Clean the dust-proof filters with a long bristled brush or by air blow. Cleaning with brush Cleaning by air blow Fig. 7-2: Cleaning of the dust-proof filter ◼ Mounting of dust-proof filters Reassemble the filters in the reverse order to the removing procedure.
Page 172 HRX-OM-Q026 Chapter 7 Control, Inspection and Cleaning ◼ Replacement of circulating fluid ● Replace the circulating fluid with new clean fluid periodically, or it may get algae or decompose. ● Circulating fluid to be supplied in the tank should satisfy the water quality specified in “Table 7-1: Quality criteria for clean water (tap water)”.
Page 173: Inspection During Winter Season
HRX-OM-Q026 Chapter 7 Control, Inspection and Cleaning 7.2.4 Inspection during winter season Keep the power supply ON for these functions. These functions do not start when the power is OFF. ◼ Anti-freezing function This function prevents freezing of the circulating fluid while the product stops operation in the winter season with heat generated by automatically operating the pump.
Page 174: Operation Stop For An Extended Period Of Time
HRX-OM-Q026 Chapter 7 Control, Inspection and Cleaning 7.4 Operation Stop for an Extended Period of Time If there is a concern that the product will not be operated for an extended period of time or there is a possibility of freezing in the winter time, take the measures according to the instructions shown below.
Page 175: Discharge Of The Facility Water (Water-Cooled Type)
HRX-OM-Q026 Chapter 7 Control, Inspection and Cleaning 7.4.2 Discharge of the facility water (Water-cooled type) ⚫ Before discharding the facility water, stop operation of the user’s equipment and release the residual pressure. ⚫ For relocation or long-term storage, drain the residual liquid in the piping as much as possible.
Page 176 HRX-OM-Q026 Chapter 7 Control, Inspection and Cleaning 7.4 Operation Stop for an Extended Period of Time HRSH Series 7-10...
Page 177: Specifications
HRX-OM-Q026 Chapter 8 Documents Chapter 8 Documents 8.1 Specifications 8.1.1 HRSH100/150/200/250/300-A-20- Table 8-1 Specifications of HRS100/150/200/250/300-A-20- HRSH100-A HRSH150-A HRSH200-A HRSH250-A HRSH300-A Model -20- -20- -20- -20- -20- Cooling method Air-cooled refrigeration R410A (HFC) Refrigerant 1.27 Quantity of refrigerant PID control Control method ...
Page 178 HRX-OM-Q026 Chapter 8 Documents 8.1.2 HRSH100/150/200/250/300-A-40- Table 2 Specifications of HRSH100/150/200/250/300-A-40- HRSH100-A HRSH150-A HRSH200-A HRSH250-A HRSH300-A Model -40- -40- -40- -40- -40- Cooling method Air-cooled refrigeration R410A (HFC) Refrigerant 1.27 Quantity of refrigerant PID control Control method 1 Ambient temperature -20 to 45 2 Clear water, 15 to 40% ethylene glycol aqueous solution, DI water (pure water)
Page 179 HRX-OM-Q026 Chapter 8 Documents 8.1.3 HRSH100/150/200/250-W-20- Table 8-3 Specifications of HRSH100/150/200/250-W-20- Model HRSH100-W-20- HRSH150-W-20- HRSH200-W-20- HRSH250-W-20- Cooling method Water-cooled refrigeration R410A (HFC) Refrigerant 1.45 1.95 1.95 1.95 Quantity of refrigerant PID control Control method 1 Ambient temperature 2 to 45 2 Clear water, 15% ethylene glycol aqueous solution, DI water (pure water) Circulating fluid...
Page 180 HRX-OM-Q026 Chapter 8 Documents 8.1.4 HRSH100/150/200/250-W-40- Table 8-4 Specifications of HRSH100/150/200/250-W-40- Model HRSH100-W-40- HRSH150-W-40- HRSH200-W-40- HRSH250-W-40- Cooling method Water-cooled refrigeration R410A (HFC) Refrigerant 1.45 1.95 1.95 1.95 Quantity of refrigerant PID control Control method 1 Ambient temperature 2 to 45 2 Clear water, 15% ethylene glycol aqueous solution, DI water (pure water) Circulating fluid...
Page 181 HRX-OM-Q026 Chapter 8 Documents Option T “High head temp” 8.1.5 1 Table 8-5 Specifications of HRSH100/150/200/250-W-20-T HRSH100-W- HRSH150-W- HRSH200-W- HRSH250-W- Model 20-T 20-T 20-T 20-T Rated flow rate (Outlet) L/min 125 (0.5 MPa) Pump Maximum flow rate L/min Circulating capacity fluid Maximum lifting height system...
Page 182: Refrigerant With Gwp Reference
HRX-OM-Q026 Chapter 8 Documents 8.1.6 Refrigerant with GWP reference Table 8-7 Refrigerant with GWP reference Global Warming Potential (GWP) Revised Fluorocarbons Refrigerant Regulation (EU) No 517/2014 Recovery and Destruction (Based on the IPCC AR4) （Japanese law） R134a 1,430 1,430 R404A 3,922 3,920 R407C...
Page 183 HRX-OM-Q026 Chapter 8 Documents 8.2 Dimensions 8.2.1 HRSH100-A-20/40- HRSH100-A-20-B1, HRSH100-A-20-S, 715 mm (28.1 inch) 954 mm (37.6 inch) HRSH100-A-40 Fig. 8-1: Dimensions 1020 mm (40.2 inch) 670 mm (26.4 inch) 138 mm (5.4 inch) 8xø12 mm (0.5 inch) (954 mm) (37.6 inch) 19 mm 984 mm (38.7 inch) (0.7 inch)
Page 184 HRX-OM-Q026 Chapter 8 Documents 8.2.2 HRSH150-A-20/40-, HRSH200-A-20/40- HRSH150-A-20-B1, HRSH150-A-20-S, HRSH150-A-40 715 mm (28.1 inch) 954 mm (37.6 inch) Fig. 8-2: Dimensions 1020 mm (40.2 inch) 670 mm (26.4 inch) 138 mm (5.4 inch) 8xø12 mm (0.5 inch) (954 mm) (37.6 inch) 19 mm 984 mm (38.7 inch) (0.7 inch)
Page 185 HRX-OM-Q026 Chapter 8 Documents 8.2.3 HRSH250/300-A-20-, HRSH250/300-A-40- HRSH250-A-20-B1, HRSH250-A-20-S 1035 mm (40.7 inch) 850 mm (33.5 inch) HRSH250-A-40 Fig. 8-3: Dimensions 1100 mm (43.3 inch) 756 mm (29.8 inch) 136 mm (5.4 inch) 12x ø12mm (0.5 inch) 12x12mm(0.5in) 670 mm (26.4 inch) 43 mm (1.7 inch) (1035 mm) (40.7 inch) 19 mm...
Page 186 HRX-OM-Q026 Chapter 8 Documents 8.2.4 HRSH100/150/200/250-W-20/40- 715 mm (28.1 inch) 687 mm (27 inch) HRSH250-W-20-B1, HRSH250-W-20-S, HRSH250-W-40 Fig. 8-4: Dimensions 760 mm (29.9 inch) 138 mm (5.3 inch) 410 mm (16.1 inch) 8xø12 mm (0.5 inch) (687 mm) (27 inch) 19 mm (0.7 inch) 724 mm (28.5 inch)
Page 187: Flow Diagram
HRX-OM-Q026 Chapter 8 Documents 8.3 Flow Diagram 8.3.1 HRSH-A-20/40- Ventilation DC inverter Air-cooled Dryer condenser Press. sensor (Ref. high press.) Heat exchanger Ventilation Circulating fluid Expansion circuit valve A Expansion Inverter pump valve B Temp. sensor Ball tap (Ref. discharge） Fluid level gauge Press.
Page 188 HRX-OM-Q026 Chapter 8 Documents 8.3.2 HRSH-W-20/40- Regulation valve Air exhaust valve for facility water draining Facility water outlet port Dryer Press. sensor Water-cooled (Ref. high press.) Heat exchanger Circulating fluid condenser Expansion circuit valve A Expansion Facility water Inverter pump valve B inlet port Temp.
Page 189: Cooling Capacity
HRX-OM-Q026 Chapter 8 Documents 8.4 Cooling Capacity 8.4.1 HRSH100-A-20/40- Ambient temperature: 32 Ambient temperature: 43 Ambient temperature: 45 Circulating fluid temperature [ Fig. 8-7: Cooling Capacity (HRSH100-A-20/40-) 8.4.2 HRSH150-A-20/40- Ambient temperature: 32 Ambient temperature: 43 Ambient temperature: 45 Circulating fluid temperature [ Fig.
Page 190 HRX-OM-Q026 Chapter 8 Documents 8.4.3 HRSH200-A-20/40- Ambient temperature: 32 Ambient temperature: 43 Ambient temperature: 45 Circulating fluid temperature [ Fig. 8-9: Cooling Capacity (HRSH200-A-20/40-) 8.4.4 HRSH250-A-20/40- Ambient temperature: 32 Ambient temperature: 43 Ambient temperature: 45 Circulating fluid temperature [ Fig. 8-10: Cooling Capacity (HRSH250-A-20/40-) 8.4 Cooling Capacity HRSH Series 8-14...
Page 191 HRX-OM-Q026 Chapter 8 Documents 8.4.5 HRSH300-A-20/40- Ambient temperature: 32 Ambient temperature: 43 Ambient temperature: 45 Circulating fluid temperature [ Fig. 8-11: Cooling Capacity (HRSH300-A-20/40-) HRSH Series 8.4 Cooling Capacity 8-15...
Page 192 HRX-OM-Q026 Chapter 8 Documents 8.4.6 HRSH100-W-20/40- Facility water temperature: 32 Facility water temperature: 40 Circulating fluid temperature [ Fig. 8-12: Cooling Capacity (HRSH100-W-20-) 8.4.7 HRSH150-W-20/40- Facility water temperature: 32 Facility water temperature: 40 Circulating fluid temperature [ Fig. 8-13: Cooling Capacity (HRSH150-W-20/40-) 8.4 Cooling Capacity HRSH Series 8-16...
Page 193 HRX-OM-Q026 Chapter 8 Documents 8.4.8 HRSH200-W-20/40- Facility water temperature: 32 Facility water temperature: 40 Circulating fluid temperature [ Fig. 8-14: Cooling Capacity (HRSH200-W-20/40-) 8.4.9 HRSH250-W-20/40- Facility water temperature: 32 Facility water temperature: 40 Circulating fluid temperature [ Fig. 8-15: Cooling Capacity (HRSH250-W-20/40-) HRSH Series 8.4 Cooling Capacity 8-17...
Page 194: Pump Capacity
HRX-OM-Q026 Chapter 8 Documents 8.5 Pump Capacity 8.5.1 HRSH100-A-20/40-, HRSH100-W-20/40- Circulating fluid outlet Applicable flow rate range Circulating fluid return 100 110 120 Circulating fluid flow [L/min] Fig. 8-16: Pump capacity (HRSH100-A-20/40-, HRSH100-W-20/40-) 8.5.2 HRSH150/200-A-20/40- HRSH150/200/250-W-20/40- Circulating fluid outlet Usable flow rate range Circulating fluid return 90 100 110 120 130...
Page 195 HRX-OM-Q026 Chapter 8 Documents 8.5.3 HRSH250/300-A-20/40- Circulating fluid outlet Usable flow rate range Circulating fluid return Circulating fluid flow [L/min] Fig. 8-18: Pump capacity (HRSH250/300-A-20/40-) Option T “High head pump” 8.5.4 Circulating fluid outlet port Usable flow rate range Circulating fluid return port Circulating fluid flow[L/min] Fig.
Page 196: Types Of Hazard Labels
HRX-OM-Q026 Chapter 8 Documents 8.6 Types of Hazard Labels (HRSH***-**-40- **,HRSH***-**-20-S) To ensure the safety of the operators, potential hazards are classified and marked with warning labels. Read this section before starting any work on the product. ◼ Electric shock warning This symbol stands for danger of electric shock.
Page 197: Positions Of Danger Warning Label
HRX-OM-Q026 Chapter 8 Documents 8.6.1 Positions of danger warning label Confirm the positions of the danger warning labels on the product to show the potential danger before starting operation. Air-cooled type only ⚫ For HRSH--40 For HRSH--20-S Fig. 8-20: Positions of danger warning label Fig.
Page 198 HRX-OM-Q026 Chapter 8 Documents 8.7 Standards This product complies with the standards shown below: Table 8-8 Standards Standard Model EMC Directive 2004/108/EC HRSH--40- CE Mark Machinery Directive 2006/42/EC HRSH--20-S UL61010-1 3 edition UL/CSA standard HRSH--20-S CSA C22.2 No.61010-1 3 edition (NRTL certified) 8.7 Standards HRSH Series...
Page 199: Sample Doc
HRX-OM-Q026 Chapter 8 Documents 8.8 Sample DoC. Sample DoC. EC DECLARATION OF CONFORMITY Original declaration SMC Corporation 4-14-1 Soto-Kanda, Chiyoda-ku, Tokyo 101-0021 Japan declares under our sole responsibility that the following equipment: Thermo Chiller HRSH Series Serial No.: *o001 to *Z999 conforms with the following directive(s) and harmonized standards: Directive Harmonized standards...
Page 200: Daily Check Sheet
HRX-OM-Q026 Chapter 8 Documents 8.9 Daily Check Sheet 8.9 Daily Check Sheet HRSH Series 8-24...
Page 201: Chapter 9 Product Warranty
HRX-OM-Q026 Chapter 9 Product Warranty Chapter 9 Product Warranty 1. Period The warranty period of the product is 1 year in service or 1.5 years after the product is delivered whichever comes first. 2. Scope For any failure reported within the warranty period which is clearly SMC’s responsibility, replacement parts will be provided.
Page 202 HRX-OM-Q026 Chapter 9 Product Warranty 6. +Request to Customers Proper use and maintenance are essential to assure safe use of this product. Be sure to satisfy the following preconditions. Please note that SMC may refuse to carry out warranted repair if these preconditions have been disregarded.
Page 204 Revision Rev. V: Jun. 2022 4-14-1, Sotokanda, Chiyoda-ku, Tokyo 101-0021 JAPAN Tel: + 81 3 5207 8249 Fax: +81 3 5298 5362 https://www.smcworld.com Note: Specifications are subject to change without prior notice and any obligation on the part of the manufacturer. ©...

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Hrsh series Hrsh150-a 20 series Hrsh200-a 20 series Hrsh250-a 20 series Hrsh300-a 20 series Hrsh100-w 20 series ... Show all

SMC Networks HRSH100-A 20 Series Operation Manual

Chapter 2 Name and Function of Parts

Chapter 3 Transport and Setting up

Chapter 4 Starting the Product

Chapter 6 Alarm Notification and Troubleshooting

Chapter 7 Control, Inspection and Cleaning

Chapter 9 Product Warranty

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Troubleshooting

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