Related Manuals for Samsung AG010DSV Series
Summary of Contents for Samsung AG010DSV Series
- Page 1 DVM CHILLER Installation manual AG010DSV*** / AG015DSV*** Series • Thank you for purchasing this Samsung Product. • Before operating this unit, please read this manual carefully and retain it for future reference.
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Page 2: Table Of Contents
Contents InstaLLatIon ELECtRICaL woRk Safety information Electrical wiring work Specification of the circuit breaker and power cable Preparing for installation Power and communication cable configuration Specifications Connecting the power cable DVM CHILLER Classification Connecting the communication cable Moving the product External contact wiring work Center of Gravity Location Selecting solderless ring terminal... -
Page 3: Safety Information
Generally, DVM Chiller should not be relocated after installation. But when it has to be relocated for inevitable reasons, please contact Samsung's qualified dealers for DVM Chiller. English... - Page 4 Safety information WaRnInG For operation Hazards or unsafe practices that may result in severe WaRnInG personal injury or death. Do not use water containing chemicals such as CaUtIon chlorine for chilled/heating water as it can cause Hazards or unsafe practices that may result in minor corrosion on stainless steel or copper.
- Page 5 Contact the merchandise or service center to clean Do not use chilled/heating water for drinking. inside of the product. • It is harmful for humans. • Error on selecting cleaner and cleaning the • For hot water supply, use indirect heat exchange. product may harm rubber part and cause water Do not wash the product with water.
- Page 6 Safety information For installation Make sure to install the product in a place strong enough to withstand its weight. • Otherwise, it may result in falling down, WaRnInG vibration, noise of the product. Install the product securely to resist strong wind or Do not install the product by users.
- Page 7 Wiring must be connected with the designated Contact the merchandise or service center for wires and it must be fixed securely so that it does measures against the situation where leaked not apply any external force to the connection part refrigerent is accumulated.
- Page 8 Safety information CaUtIon • A place near exhaust pipes or ventilation outlet where corrosive gas such as ammonia gas or sulfurous acid gas are being generated Drain system must be constructed according to this installation manual so that condensation water - Copper pipe and connection parts may corrode causing refrigerant leakage.
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Page 9: Preparing For Installation
Preparing for installation Specifications Model name aG010DSVaFG aG015DSVaFG Φ, #, V, Hz Power Supply 3,3,208~230,60 3,3,208~230,60 Ton (Nominal) usRT Capacity Cooling *1) kBtu/h 120.0 168.0 Heating *2) kBtu/h 120.0 171.0 Cooling *1) 10.4 16.12 Power Input Heating *2) 11.54 17.45 Cooling *1) 28.4 44.0... - Page 10 Preparing for installation Model name aG010DSVaJG aG015DSVaJG Φ, #, V, Hz Power Supply 3,3,460,60 3,3,460,60 Ton (Nominal) usRT Capacity Cooling *1) kBtu/h 120.0 168.0 Heating *2) kBtu/h 120.0 171.0 Cooling *1) 10.4 16.12 Power Input Heating *2) 11.54 17.45 Cooling *1) 14.2 22.0 Power...
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Page 11: Dvm Chiller Classification
DVM CHIllER Classification Moving the product f Select the moving path in advance. Classification DVM CHIllER f Be sure that moving path can support weight of the product. f Do not slant the product more than 30˚ when carrying it. (Do not lay the product down in sideways.) appearance f Surface of the heat exchanger is sharp. -
Page 12: Center Of Gravity Location
Preparing for installation 2 When moving with a forklift f Carefully insert the forklift forks into the forklift holes at the palette. f Be careful with the forklift from damaging the product. Unit: mm (inch) Model name aG010/ 1020 015DSVa Series (40 3/16) (14 15/16) (23 1/4) -
Page 13: Selecting Installation Location
- Check the installation site every 3 months and f Place where it is not exposed to strong wind perform anti-corrosion treatment such as R-Pro supplied by SAMSUNG (Code : MOK-220SA) or f Well ventilated place with sufficient service place commercial water repellent grease and wax, etc., for repairs and maintenance (Discharge duct can be based on the product condition. - Page 14 Selecting installation location f Protection wall should be constructed with a solid • Depending on the condition of power supply, material that can block the sea breeze and the height unstable power or voltage may cause malfunction and width of the wall should be 1.5 times larger of the parts or control system.
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Page 15: Checks To Electrical Devices
Checks to electrical devices • Note that the refrigerant has no odour. • The units are not explosion proof so they must be Repair and maintenance to electrical components shall installed with no risk of explosion. include initial safety checks and component inspection • This product contains fluorinated gases that procedures. -
Page 16: Checks To The Refrigerating Equipment
• Replace components only with parts specified by containing parts are installed; Samsung. Other parts may result in the ignition of • the ventilation machinery and outlets are operating refrigerant in the atmosphere from a leak. -
Page 17: Leakage Detection Methods
leakage detection methods Recovery • The leakage detector shall be calibrated in a • When removing refrigerant from the system for refrigerant-free area. servicing or decommissioning, it is recommended to remove the entire refrigerant. • Make sure that the detector is not a potential source of ignition. -
Page 18: Removal And Evacuation
Selecting installation location Removal and evacuation Cabling When breaking into the refrigerant circuit to make Check that cabling will not be subject to wear, corrosion, repairs – or for any other purpose – conventional excessive pressure, vibration, sharp edges or any other procedures shall be used. -
Page 19: Required Space For Installation
Required space for installation Installation location requirements 1 Single installation Unit: mm (inch) f The outdoor unit shall be installed in an open space <Case 1> that is always ventilated. f The local gas regulations shall be observed. f For installation inside a building (this applies either to indoor or outdoor units installed inside) a minimum room floor area of space conditioned is mandatory Front side... - Page 20 Required space for installation 2 Module installation f Installing by <Case 1> or <Case 3> Unit: mm (inch) - Height of the wall on the front side should not be higher than 1500 mm (59 inch). <Case 1> - Height of the wall on the air inlet side should not be higher than 500 mm (20 inch).
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Page 21: Base Construction And Installation
Base construction and installation WaRnInG 7 When installing multiple DVM CHILLERs at the same place, construct an H beam or a vibration-isolation frame on the base ground to install the product. • Make sure to remove the wooden pallet before installing the DVM CHILLER. If you do not remove 8 After installing an H beam or a vibration-isolation the wooden pallet, there is risk of fire during frame, apply corrosion protection and other... -
Page 22: Product Installation
Base construction and installation Product installation Examples of draining work f Use concrete or steel bar for draining work to Unit: mm (inch) prevent any damage or cracks. f For smooth draining of defrost water, make sure to apply 1/50 slant. f Construct a drainage ditch/channel around the 50 (2) or 200 (8) or... -
Page 23: Installation Precautions
Installation precautions Connecting the pipe Connecting the anchor bolt Water inlet pipe CaUtIon Water outlet pipe • Tighten the rubber washer to prevent the bolt connection part of the DVM CHILLER from f If you install the DVM CHILLER on the rooftop, Plastic (rubber) washer corroding. - Page 24 Base construction and installation Installing vibration-isolation frame Installing discharge duct f During installation, make sure there is no gap between the supporting base and the extra structures such as vibration-isolation frame or H beam. f Supporting base must be constructed strongly to support the bottom part of the vibration-isolation mount.
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Page 25: Installing The Wind/Snow Prevention Duct
Installing the wind/snow prevention duct Installing the discharge duct Installing the discharge duct in around obstacles cold regions Ex.) Balcony Upper floor Discharged air Ex.) Mechanical room Discharged f In cold regions with lots of snowfall, install a snow prevention duct, as a sufficient countermeasure, to prevent snow from accumulating on the product. -
Page 26: Installing The Discharge Duct In Regions With Strong Wind
Installing the wind/snow prevention duct Installing the discharge duct in Unit: mm (inch) 871 (34 5/16) regions with strong wind f In windy regions such as near sea shores, protection wall or wind protection duct must be installed for normal operation of the product. (Refer to the illustration of the snow prevention duct, for installing the wind protection duct.) f When installing a wind prevention duct consider... -
Page 27: Water Pipe Installation
Water pipe installation Water pipe diagram Install the water system according to the diagram. Direction of water flow Expansion vessel Field scope DVM CHIllER Cleaning and flushing pipe (Install when cleaning) Water side heat exchanger Load unit AHU or Fan coil name Remarks name... -
Page 28: Water Pipe Installation
Water pipe installation WaRnInG f Install valves at inlet/outlet of water pipes for services. • The maximum operation water pressure of the f Install temperature gauge and pressure gauge at product is 1.0 Mpa (145 psi). inlet/outlet of water pipes to check operation status. • The water strainer is not included in the product. - Page 29 Maintaining circulating water amount Solution for freeze protection device f If the product is operated below minimum amount When freeze protection device is activated, plate heat of circulating water (more than 50 % of rated flow exchanger may freeze. Operate the product after rate), plate type heat exchanger may freeze and be taking care of the cause.
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Page 30: Securing Water Storage
• Minimum capacity of buffer tank = Minimum water storage - Total water storage in the system AG010DSV Series 59.8 (15.8) 90.8 (24.0) 181.7 (48.0) excluding buffer tank AG015DSV Series 63.6 (16.8) 127.2 (33.6) 254.4 (67.2) • Select the capacity of buffer tank according to system installation condition of the field. -
Page 31: Electrical Wiring Work
Electrical wiring work Specification of the circuit breaker and power cable Electric Characteristics Units Comp Fan motor Norm. Ton Model Volts #2 FLA #1 FLA AG010DSVAFG 208/230 AG015DSVAFG 208/230 AG010DSVAJG AG015DSVAJG 15.7 15.7 Rated Load Ampere Minimum Circuit Ampere (A) Full Load Ampere Maximum Overcurrent Protective Device (A) • Do not operate the outdoor unit before completing... -
Page 32: Power And Communication Cable Configuration
Electrical wiring work Power and communication cable CaUtIon configuration Caution for perforating the knock-out hole • Perforate a knock-out hole by punching it with a f Main power and the ground cable must be withdrawn hammer. through the knock-out hole on the bottom-right • After perforating the knock-out hole, apply rust corner of the front side. -
Page 33: Connecting The Power Cable
Connecting the power cable UnIt 1 UnIt 2 UnIt 3 ELCB or ELCB or ELCB or MCCB+ELB MCCB+ELB MCCB+ELB Protection tube Power • ground Power • Power • Power Power Communication cable ground cable ground cable cable cable cable Power • ground cable Power cable Power cable Power cable f Fix the cable with a cable tie. -
Page 34: Connecting The Communication Cable
Electrical wiring work Connecting the communication cable Module UnIt 1 UnIt2 UnIt 3 control F1 F2 V1 V2 F3 F4 Protection tube Communication cable Communication cable Single connection Module/Group connection Module Module Hydro controller control communication part control UNIT 1 UNIT 16 F1 F2 V1 V2 F3 F4 F1 F2 V1 V2 F3 F4... - Page 35 Maximum Contact on Contact off name Signal Function allowable (Short) (open) current Cooling/Heating Display when operates in Heat Cool 0.5A display heating mode Operation display Display when operates Operate Stop 0.5A Warning display Display when error occurs Error occurred No error 0.5A Defrost operation Display when defrosting...
- Page 36 Electrical wiring work Input contact B-t/B Maximum Contact on Contact off Signal Setting name Signal Function allowable (Short) (open) recognition unit current Disuse Disuse Disuse Signal about pump operation Each Pump interlock Pump ON Pump OFF Usual input 10 mA • Pump interlock error (E918) occurs if unit ON is not input when operating pump...
- Page 37 • Usual input: Operate by current status of contact Instant input: Operate when contact signal changes from OFF to ON / from ON to OFF. For use of external contacts, be sure to set options for each function as shown in page 48-50. Operates when input method of Operation On/Off is set as external contact Note1) Note2)
- Page 38 Electrical wiring work Maximum Contact Contact off Signal name Signal Function Setting unit allowable on (Short) (open) recognition current Recognize water outlet set temperature Set temperature/ by external input (4 ~ 20 mA) Note1) Analog Current Main unit of 17-18 room temperature Recognize value of room temperature 20 mA current input...
- Page 39 notE • Room temperature sensor and external water outlet temperature sensor is not supplied. Purchase and install the appropriate sensor according to the usage. - Room temperature sensor: 4 mA: -50°C (-58°F), 20mA: 50°C (122°F)) - External water outlet temperature sensor: 4 ~ 20 mA (4 mA: -30°C (-22°F), 20mA: 70°C (158°F)) f Example of input contact installation Input terminal block Input signal...
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Page 40: Selecting Solderless Ring Terminal
Electrical wiring work Selecting solderless ring terminal f Select the solderless ring terminal depending on the nominal dimension of the power cable. f Cover and insulate the solderless ring terminal and connection part of the power cable. Soldering Unit: mm (inch) nominal nominal dimensions... -
Page 41: Connecting The Power Terminal
Connecting the power terminal f Close the cover. Unit : N·m (lbf·in) f Connect the cables to the terminal board with Screw tightening torque solderless ring terminals. 5.5~7.3 3 phase (380-415 V) power f Properly connect the cables by using certified and (48.7~64.6) cable rated cables and make sure to fix them properly so... -
Page 42: Fixing The Power Cable
Electrical wiring work CaUtIon 3 Cut out the outer sheath of the power cable by revolving the tool in the direction of the arrow, two or three times. • When peeling off outer sheath of the power cable, be careful not to damage the inner sheath of the cable by using a correct tool. -
Page 43: Fixing The Ground Cable
Fixing the ground cable 3 Phase 3 Wires 208~230V Connect the ground cable to the grounding hole inside 3 Phase 3 Wires 460V the power supply box. ELCB or MCCB+ELB Communication cable Connecting ring terminal of 3 phase cable Grounding 1 Cut the power cable to an appropriate length and connect it with the solderless terminal. -
Page 44: Installing The Solution Device
Electrical wiring work Installing the Solution device About grounding work 3. Note 1) f Grounding work must be done by an expert (with qualification). f Check if the grounding resistance is lower than 100 Ω. When installing an earth leakage breaker (that can cut the electric circuit within 0.5 second in case of a short circuit), allowable grounding resistance should be 30 ~ 500 Ω. -
Page 45: Setting Key Function
Setting key function Setting hydro controller option Basic segment display SEG1 SEG2 SEG3 SEG4 SEG5 SEG6 Remarks Water In Ex) -5°C View mode display f Press and hold K3 and K4 for 3 seconds to enter the view mode. f Press K3 to change view mode in order of the table. f Press K4 to change view mode in reverse order of the table. - Page 46 Setting key function number of kEY operation SEG1 SEG2 SEG3 SEG4 SEG5 SEG6 Remarks press Discharge 1 8 times ex) 101.8°C 101 (Drop) temperature Discharge 2 9 times ex) 101.8°C 101 (Drop) temperature 10 times Top 1 temperature ex) 101.8°C ...
- Page 47 number of kEY operation SEG1 SEG2 SEG3 SEG4 SEG5 SEG6 Remarks press ex) 1007 step 100 31 times Hydro EEV 1 (Drop "/10") ex) 1007 step 100 32 times Hydro EEV 2 (Drop "/10") ex) 1007 step 100 33 times Main EEV 1 (Drop "/10") ex) 1007 step ...
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Page 48: How To Set Hydro Controller Option
Setting key function How to set hydro controller option option no. option value SEG1 SEG2 SEG3 SEG4 SEG5 SEG6 operation on/off input method temperature setting input method 1 Turn on the product. 2 Press and hold the K2 to enter the option setting. f In option setting, other key input (forced fan, temperature setting, etc.) is not received. - Page 49 Module option Factory control option item option Definition Setting unit value default setting option Note1) Module control/DMS Main unit Quiet function input method 0·1 of group External contact Note2) Module control/DMS Main unit Forced fan function input method 0·1 of group External contact Note2) Module control/DMS...
- Page 50 Setting key function Module option Factory control option item option Definition Setting unit value default setting option Note1) Standard 1 outdoor temperature AirCool1 (For water law) 0 ~ 20 for cooling Standard 2 outdoor temperature AirCool2 (For water law) 30 ~ 40 for cooling Standard 1 room temperature for RoomCool1 (For water law)
- Page 51 Function description Description Select operation On/Off input method of module/group Select temperature setting input method of module/group Select operation mode (Cool/Heat, Hot water/Cool storage) input method of module/group Select demand control input method of module/group Select demand level • Current will be limited below the set level when "Perform" command is transmitted. Select quiet function input method of module Select forced fan function input method of module • Forced fan: Removes accumulated snow by operating the fan of stopped unit in low frequency...
- Page 52 Setting key function Water law f Room temperature standard • If it is room temperature model, This function allows water outlet temperature to change water outlet set temperature regarding demand load changes depending on outdoor set by water law does not drop temperature and room temperature.
- Page 53 MICoM version display f Press and hold K3 and K5 for 3 seconds to enter the view mode. f Press K3 to change view mode in order of the table. f Cancelling view mode display - Press and hold K3 for 3 seconds. SEG1 SEG2 SEG3...
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Page 54: Setting Inverter Controller Option
Setting key function Setting inverter controller option Basic segment display Display Step Display contents SEG1 SEG2 SEG3 SEG4 At initial power supply Checking segment display Setting communication (Addressing) After communication setting Hydro Hydro Transmit/Reception address (usual occasion) controller: A controller: 0 Setting inverter controller option switch English... - Page 55 Installing and setting the option with tact switch and functions 1 Press and hold K2 for 3 seconds. (Only available when the operation is stopped) f The display will show the following. f If you have set the Emergency operation for compressor malfunction, 1 or 2 will be displayed on Seg 4. - Seg 1 and Seg 2 will display the number for selected option.
- Page 56 Setting key function option item Input unit SEG1 SEG2 SEG3 SEG4 Function of the option Remarks Factory default outdoor unit fan Individual Increase the outdoor unit fan speed correction Increase fan speed speed to maximum value Unused option Main Unused option Unused option Main Unused option...
- Page 57 Setting key operation and checking the view mode with tact switch k1 (number of kEY operation Display on 7-Segment press) 1 time Refrigerant charging in Heating mode 2 times Trial operation in Heating mode 3 times Refrigerant discharging in Heating mode 4 times Disuse 5 times...
- Page 58 Setting key function k2 (number of kEY operation Display on 7-Segment press) 6 times Discharge mode of DC link voltage 7 times Forced defrost operation 8 times Forced oil collection 9 times Inverter compressor 1 check 10 times Inverter compressor 2 check 11 times Fan 1 check 12 times...
- Page 59 Display k4 (number of Display contents press) SEG1 SEG2, 3, 4 14 times Temperature of liquid pipe -42°C -, 4, 2 15 times TOP temperature (Compressor 1) -42°C -, 4, 2 16 times TOP temperature (Compressor 2) -42°C -, 4, 2 17 times Outdoor temperature -42°C ...
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Page 60: Check Points After Installation
Check points after installation Check points after installation 1 Before supplying the power, measure the insulation 4 Check the following after the installation is resistance values between the ground terminals and completed. individual power terminals (R/S/T/N) on the product, • Have you checked the external by using the DC 500V insulation resistance tester. -
Page 61: Trial Operation
trial operation f Is the grounding work properly done? f Is the pump interlock circuit connected? Before the trial operation, check the following list to - Only applied to non-pump models protect the product. f Is the strainer (50 Mesh) properly installed at water inlet? PRECaUtIonS BEFoRE f Is water flowing in water system? -
Page 62: Trial Operation For Each Chiller Unit
Check points after installation f Is the strainer in water pipe contaminated after the f The operation will finish automatically within 30 trial operation? seconds. - Clean the strainer if contaminated. f The product and the pump cannot be operated while calibrating the pressure difference. - Page 63 CaUtIon 7 Change the set temperature if necessary in main control. • Make sure to close the top and bottom part of the Cooling Heating Default value product cabinet during operation. If you operate 7°C (45°F) 45°C (113°F) the unit with the front cabinet open, it may cause f Temperature can be adjusted by K3 and K4.
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Page 64: Maintenance
Maintenance Maintenance name of the parts Hydro controller Inverter controller control box control box Air side heat exchanger Water side heat exchanger Compressor Plate type heat exchanger Air vent valve Water inlet temperature sensor Water inlet pressure sensor Hydro Water middle coupler Water outlet Drain valve pressure sensor... -
Page 65: Water Pipe Installation
Water pipe installation Expansion vessel Direction of water flow DVM CHIllER Field scope Cleaning and flushing pipe (Install when cleaning) Water side heat exchanger name name Drain pipe Air vent valve Coupling Check valve Strainer Pump Drain valve Flexible joint Temperature gauge Expansion vessel Pressure gauge... - Page 66 Maintenance f Maintain the water or brine storage as set standard. f Do not let air flow into the circulating water system. If the amount is too low, compressor will be stopped If dissolved oxygen or a foreign substance increases even operated for short time for light load, and among the air condenses in water, corrosion may repeat operation and stopping.
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Page 67: Water Maintenance Standard
Caution regarding drainage during winter time f When DVM CHILLER is not operated during winter time, drain all water by opening drain valves in CHILLER shown in figure and drain valves in the pipes. Drain valve air venting f Vent air by opening two air vent valves on inlet and middle of the pipe of water side heat exchanger. - Page 68 Maintenance Heating water system Chilled water system Effect low level medium temperature heating gauge Item Circulation water Circulation water Forming (Below 20°C Supply water (over 20°C (68°F) Supply water Corrosion scale (68°F)) below 60°C (140°F)) Acid consumption Below 50 Below 50 Below 50 Below 50 (pH4.8, mgCaCO...
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Page 69: Maintaining Plate Type Heat Exchanger
Maintaining plate type heat f The plate heat exchanger is not serviceable by disassembly. It must cleaned by following methods. exchanger - Check if there is any cleaning hole for chemical cleaning at the inlet water pipe. For water scale f When the product was not operated for long period cleaning use diluted (down to 5 %) citric acid, of time, check the followings:... -
Page 70: Stopping During Winter Time
Maintenance Stopping during winter time Stopping for a long time f Do not cut-off the power supply. f Drain water in water pipe and water side heat exchanger. - This may result in water leakage or pipe damage because pump will not operate to prevent - Open drain valves on water pipe system and freezing. -
Page 71: Inspection For Normal Operation
Inspection for normal operation number of Side effects when Item Standard inspection inadequate Have you set the electric conductivity value properly? Corrosion, water scale or Forced drainage Is electric conductivity sensor working Once a week slime may occur properly? Is auto valve working properly? Is chilled water corrupted or have floating particles? Corrosion, water scale or... -
Page 72: Chilled Water Management
Maintenance Chilled water management Water temperature range If the chilled water storage exceeds optimal range, stop Operate the product within the following range. For the operation until cause is taken care before re-start product protection, compressor operation may be the operation. limited. -
Page 73: Freeze Prevention
Freeze prevention Cooling Outdoor temperature °C (°F) 48 (118) necessity of freeze prevention 43 (109) When outdoor temperature is low or in winter time, Anti-freeze Water water in pump and water pipe may freeze and may condition condition cause damage to the product and the pipe. Insulate the pump and pipe to prevent freezing. - Page 74 Maintenance Selecting brine type and specification of brine When using brine, refer to the following list and select For low temperature CHILLER, use glycol type brine a product that will not damage the product. such as ethylene glycol and propylene glycol. If using f Effective freeze prevention other types of brine (chloride type or alcohol type), f Will not corrode metal...
- Page 75 Standard data for status of anti-freeze (Based on temperature of anti-freeze at 15°C (59°F)) type of anti- freeze Concentration Freezing point Brine freezing point graph (Based on 15°C [% Wt.] (°C [°F]) [59°F]) -3.2 (26.2) 0 (32) -7.8 (18.0) -10 (14) Ethylene Propylene glycol solution -14.1 (6.6)
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Page 76: Error Display
Maintenance Error display Display Description f Segment will display error code (3 digits). Communication error between hydro controller and inverter controller (When there is no response from indoor units after tracking is completed) HYDRO-UNIT_MODULE_CHILLER 88-SEG DISPLAY Communication error of Main and sub MICOM of inverter controller Communication error of inverter Display... - Page 77 Display Description Display Description Error on Top 2 temperature sensor (Short or INV2 input current error Open) Error due to over voltage/low voltage of Error on high pressure sensor (Short or Fan2 Open) Hall IC error of Fan2 Error on low pressure sensor (Short or Outdoor fan2 overload stop Open) Fan2 Date Flash error...
- Page 78 Maintenance Display Description Display Description Instant blackout error Hydro outlet temperature sensor (Tw2) Short/Open Overheated motor of Fan1 Frozen damage error Error due to overheated IPM of Fan1 Error when freeze prevention Comp Off INV1 Comp starting error occurs 4 times Compressor stop due to full current control Error when freeze prevention Comp Off or error due to low current on CT2...
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Page 79: Error History Display
❶ High pressure when cooling/Low pressure when Error history display heating ❷ Low pressure when cooling/heating f Press and hold K3 and K6 for 3 seconds to enter the view mode. apply nitrogen gas to the each charging port at f Press K3 to change view mode in order of the table. - Page 80 Maintenance Vacuuming the pipes f Use tools for R-32 to prevent the inflow of foreign substances and resist against the internal pressure. f Use vacuum pump that allows vacuuming under 5 Torr. f Use the vacuum pump with the check valve to prevent pump oil from flowing backward while the vacuum pump is stopped.
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Page 81: Troubleshooting
Precautions on adding the R-32 refrigerant In addition to the conventional charging procedure,. the following requirements shall be kept. f Make sure that contamination by other refrigerants does not occur for charging. f To minimize the amount of refrigerant, keep the hoses and lines as short as possible. f The cylinders shall be kept upright. - Page 82 Maintenance f Before you report the problem of the product, check the following table. Problem Monitor Cause Solution Check if there is power failure. Operate again when the power is on again. Open the circuit breaker if the switch is OFF. Check if circuit breaker is closed.
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Page 83: Periodic Maintenance
Periodic maintenance For proper operation, check and record the following list periodically. Recommended values are normal operation range. Operation time is 3650 hours/year. f Common items Periodic maintenance Preventive maintenance name Check Preventive Preventive Checklist Check standard period description period Insulation Every Over 1 MΩ... - Page 84 Maintenance Periodic maintenance Preventive maintenance name Check Preventive Preventive Checklist Check standard period description period Resistance Every Should be rated resistance value value year Pressure sensor Exchange 5 years Visual check No deformation Every Structural parts Visual check No rust Refinishing 13 years year...
- Page 85 Maintaining water system Checking exterior and noise f Check and clean water strainer. f Clean air side heat exchanger (cross fin coil). - If strainer is blocked, water side heat exchanger - Performance may decrease if contaminated too may freeze due to lack of water storage. much.
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Page 86: Quick Smart Features
Quick Smart Features Quick Smart Features CaUtIon Hot water (Cool storage) mode f Hot water (Cool storage) temperature control • To change functions of the product, electrical wiring and changing setting are also mandatory. Contact - This function is to control water temperature the merchandise or service center for electrical for Hot water mode differently from normal wiring work and changing settings. - Page 87 Forced fan function Remote control wiring f This function operates fan of CHILLER to remove For the remote control circuit (including the module accumulated snow on the fan. control), use the cord or vinyl sheath cable (0.75-1.25 mm that meets the local power line requirements. f Snow accumulation prevention, which operates occasionally when outdoor temperature is below CaUtIon...