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Portable Chiller: MGD-15W-ADV-02

Page: 48

ADVANTAGE ENGINEERING, INC.

525 East Stop 18 Road Greenwood, Indiana 46142

317-887-0729 Fax: 317-881-1277

Service Department Fax: 317-885-8683

Email: [email protected]

5.3

SPECIAL MAINTENANCE

Any service of the refrigeration system must be accomplished by a certified
refrigeration technician.

Addition of compressor oil.

Addition of refrigerant.

Repair of a refrigerant leak.

Adjustment of super heat.

Repair of a refrigeration solenoid.

Содержание MGD-15W-MGD-ADV-02

Страница 1: ...ION MAINTENANCE Model MGD 15W MGD ADV 02 Serial Number ADVANTAGE ENGINEERING INC 525 East Stop 18 Road Greenwood IN 46142 317 887 0729 fax 317 881 1277 Service Department fax 317 885 8683 www AdvantageEngineering com E mail service AdvantageEngineering com ...

Страница 2: ... soft touch keys o Digital pressure high low refrigerant and to process o Modbus RTU RS485 to Ethernet TCP IP communications gateway converter o Alarm functions high refrigerant pressure low refrigerant pressure low process pump discharge pressure failed sensor low fluid level optional temperature deviation o Adjustable high temperature shut down factory set 100 F o Audible visual beacon alarm Ter...

Страница 3: ...G INSTALLATION OPERATION MAINTENANCE ADVANTAGE ENGINEERING INC 525 East Stop 18 Road Greenwood IN 46142 317 887 0729 fax 317 881 1277 Service Department fax 317 885 8683 Website www AdvantageEngineering com E mail service AdvantageEngineering com ...

Страница 4: ...ser 15 2 5 Electrical connection 15 3 0 OPERATIONS 19 3 1 General 20 3 2 Start up operations procedure 20 3 3 Instrument Start Up Operation 28 3 4 Instrument Main Menu 31 3 5 Instrument Setpoints Menu 32 3 6 Instrument Utilities Menu 33 3 7 Instrument Network Menu 35 3 8 Instrument Options Menu 36 3 9 Instrument Machine Menu 36 3 10 Shut down procedure 39 4 0 TROUBLESHOOTING 40 4 1 Unit Will Not S...

Страница 5: ...system 60 6 2 Refrigeration system 60 6 3 Options 61 7 0 RELATED DRAWINGS 63 7 1 Mechanical Schematic MGD 15W SP 64 7 2 Electrical Drawing MGD 15W SP 65 7 3 Physical Drawing MGD 15W SP 66 8 0 APPENDIX 63 8 1 Operations below 48 F fluid or 38 F ambient 64 8 2 Refrigerant pressure temperature chart 65 8 3 Inhibited propylene glycol 66 8 4 Chiller capacity and derate chart 66 8 5 Standard MG Instrume...

Страница 6: ...THIS PAGE INTENTIONALLY BLANK Page 6 ...

Страница 7: ...Stop 18 Road Greenwood Indiana 46142 317 887 0729 Fax 317 881 1277 Service Department Fax 317 885 8683 Email service AdvantageEngineering com 1 0 GENERAL 1 1 Introduction 1 2 Safety 1 3 Receiving Instructions 1 4 Efficiency 1 5 Clean Air Act 1 6 Water Treatment 1 7 Components ...

Страница 8: ...o fire Install this unit in a well ventilated area away from open flames Failure to follow these instructions may result in a hazardous condition Recover refrigerant to relieve pressure before opening the system See nameplate for refrigerant type Do not use non approved refrigerants or refrigerant substitutes D Customers should implement a refrigerant management program to document the type and qu...

Страница 9: ...ould only be serviced by a licensed technician WARNING This equipment contains hazardous voltages that can cause severe injury or death Disconnect and lock out incoming power before installing or servicing the equipment WARNING J5318 BF WARNING This equipment contains refrigerant under pressure Accidental release of refrigerant under pressure can cause personal injury and or property damage Exerci...

Страница 10: ... The Manufacturer highly recommends that the services of a qualified water treatment specialist be obtained and their recommendations be followed The Manufacturer accepts no responsibility for inefficient operation damage caused by foreign materials or failure to use adequate water treatment 1 5 CLEAN AIR ACT A This unit contains HFC 410A refrigerant B It is unlawful for any person in the course o...

Страница 11: ...ly treated water in a portable chiller may result in scaling erosion corrosion algae or slime B This unit needs to operate with propylene glycol since it is designed to operate at 14 F leaving fluid temperature C Advantage assumes no responsibility for equipment failures which result from untreated or improperly treated water D Do not use straight deionized or RO reverse osmosis water in this unit...

Страница 12: ... Stop 18 Road Greenwood Indiana 46142 317 887 0729 Fax 317 881 1277 Service Department Fax 317 885 8683 Email service AdvantageEngineering com 2 0 INSTALLATION 2 1 General 2 2 Unit Location 2 3 To and From Process Connections 2 4 Water cooled condenser 2 5 Electric connection ...

Страница 13: ...operating weight of the chiller including the weightof water and attached piping This unit contains water glycol when operating It will also use a continuous flow of plant water of 56 F while operating Locate the chiller where an unforeseen fluid leak will not cause damage to the surroundings or install the unit in such a way that an unforeseen fluid leak will not damage its surroundings 2 3 TO AN...

Страница 14: ...es and filters may be installed in the process water piping to facilitate service and maintenance provided that such devices maintain the full inside diameter of the process connection If installed all such devices must be open and clean during unit operation F It is important to check all external process connections for leaks prior to starting the unit It is also important to check external conn...

Страница 15: ...n the condenser water in and the condenser water out lines must be 30 psi minimum D The installation of a strainer in the condenser water in line is recommended This removes solids from the water supply and serves to protect the water saver regulator valve E The water regulator valve is normally factory set for proper operation When field adjustments are required turn the adjusting nut on the top ...

Страница 16: ...e power cable to the fused disconnect switch There is no power entry hole into the electrical cabinet This allows the matching of the entry hole size and location to the customer supplied fittings 6 A unit specific electrical drawing is shipped with the unit 7 Voltage supplies must be within 10 of the name plate voltage and must be within 2 from leg to leg Extreme voltage imbalance or using the wr...

Страница 17: ...1 1277 Service Department Fax 317 885 8683 Email service AdvantageEngineering com D EMO Interlock 1 To place the chiller EMO in isolation connect TB26 to TB28 and connect TB27 to TB29 as shown below 2 To place the EMO in series interlock with external EMO s connect an external 24VDC to TB26 EMO d 24VDC to TB25 and external ground TB27 ...

Страница 18: ...Fax 317 881 1277 Service Department Fax 317 885 8683 Email service AdvantageEngineering com Portable Chiller MGD 15W ADV 02 WARNING Check that all owner and factory electrical connections are tight before starting Disconnect power before servicing Follow all facility lock out tag out procedures ...

Страница 19: ...epartment Fax 317 885 8683 Email service AdvantageEngineering com 3 0 OPERATIONS 3 1 General 3 2 Start Up Operations Procedure 3 3 Instrument Startup Operation 3 4 Instrument Main Menu 3 5 Instrument Setpoints Menu 3 6 Instrument Utilities Menu 3 7 Instrument Network Menu 3 8 Instrument Options Menu 3 9 Instrument Machine Menu 3 10 Shut Down procedure ...

Страница 20: ...ents 3 3 Chiller Control follow this segment to start up and operate the chiller control This section includes information on setpoint selection and adjustment and feature explanations 3 4 Shut down procedure follow this segment to shut down the unit This segment includes information on system shut down electrical power supply precautions and disconnection from system 3 2 START UP OPERATION PROCED...

Страница 21: ...damage to the compressors 2 Both of the compressors and the pump will be set to rotate in the same direction during the testingprocess at the factory 3 After electrical installation the rotation must be checked by observing the pump motor shaft on the end of the pump and comparing its rotation to the directional arrow on the motor If the rotation needs to be changed it should be done at the main p...

Страница 22: ...must be allowed to cool before it will restart Thermal overload cooling and reset may take substantial time 7 Procedure to set proper rotation a Supply electrical power to the unit Once the correct voltage is supplied to the unit the control instrument will read Standby or Status Ready Adjust the setpoint to 70 F or higher to prevent the compressor from activating during this procedure See Section...

Страница 23: ...tation is clockwise Incorrect rotation is counter clockwise incorrect phase when viewed from the rear of the motor If the shaft does not rotate when the unit is switched on the operator must identify the cause as outlined in the troubleshooting and repair section of this manual f If the motor shaft is phased correctly shaft turns in a clockwise direction continue with step C If the motor shaft is ...

Страница 24: ...d lower maintenance Since the evaporator in most liquid chillers is flow sensitive the efficiency of operation is directly related to the flow of liquid b Maximum chiller efficiency is obtained at approximately 2 4 gpm per ton of rated capacity Low liquid flow can reduce efficiency and insome cases allow ice to develop in the evaporator which can damage the evaporator Excessive liquid flow will tr...

Страница 25: ...low bypass valve An adjusting stem is located on the top of the valve Remove the cap with an adjustable wrench and use a flat head screwdriver to adjust the valve Turning the stem in the clockwise direction puts more pressure on the valve s spring reducing bypass flow Turning the stem in the counterclockwise direction puts less pressure on the spring and increases bypass flow If the low pressure d...

Страница 26: ...ops out if the overloads are tripper Simply push the button in until the overloads are reset Other overload relays have a switch This switch will be positioned with the indicator pointing up when in normal operation The indicator will be pointing to the left when the overloads are tripped To reset simply turn the switch to where the indicator points up Normal Operating Position Tripped Position Po...

Страница 27: ... electrical power supply and start the unit f The amp meter will display the motor amps Compare the actual motor amps as displayed on the amp meter to the full load amp rating aslisted on the motor name plate g If the amp draw is excessive higher than the listed name plate amp rating a throttling valve must be installed in the from process water line The throttling valve can be a gate valve or a b...

Страница 28: ...er controller screen Diligent monitoring of the water glycol solution is mandatory to prevent freezing of the evaporator Freezing maycause the evaporator to rupture allowing water and Freon to mix which will cause major damage to the refrigeration system The MGD 15W ADV 02 chiller s controller was programmed from the factory for a set point down to 14 F and the limit control settings have been adj...

Страница 29: ...ging the refrigeration system for about 45 seconds Setpoint and the actual fluid temperature will be displayed as well 4 To select setpoint temperature press and hold the Up or Down Arrow keys until the desired setpoint temperature is displayed in the display window The default range for the setpoint temperature is 48 F 90 F or 9 32 C 5 Press the Home button to view Outputs Suction Discharge and T...

Страница 30: ...es the refrigerant suction pressure sometimes referred to as low or evaporator pressure 8 Discharge indicates the refrigerant discharge pressure sometimes referred toas high or head pressure 9 To Process indicates the process cooling fluid water or water glycol pressure 10 When the compressor is turned off the instrument will wait 3 minutes before turning it back on regardless of the To Process te...

Страница 31: ...he instrument will turn off the compressor and capacity control system when the To Process temperature is 4 degrees or more below the setpoint C STOPPING THE UNIT 1 Press the red O button 2 If the compressor is running when the off button is pressed the refrigeration system will stop but the pump will continue to circulate fluid for about 30 seconds to carry away residual cooling 3 Pressing the st...

Страница 32: ...oint Use the Up or Down buttons to change the process setpoint 1 The factory setpoint is 14 F The straight water range is from 48 F to 90 F or 9 32 C 2 Once acknowledged the unit will control to the new setpoint temperature Press the Back button repeatedly to return to the Setpoints screen or press the home button to return to the Home screen C Hi Deviation The High Deviation value programs the co...

Страница 33: ...o return to the Home screen D Lo Deviation The Lo Deviation value programs the controller to sound the alarm if the process temperature exceeds the set difference from setpoint For example LoDeviation 10 F Setpoint 50 F Lo deviation alarm will sound if the temperature cools to 40 F 1 The factory default is 10 The range for the Lo Deviation is from 0 F 50 F 2 With set points above 50 F the maximum ...

Страница 34: ... Utilities Menu to advance to theDisplay Test screen 2 The test will show a blank screen If any bad pixels or sectors are detected those pixels or sectors will be dark If dark pixels or sectors are indicated contact the factory repair or replacement options D Sensor Display There are up to 11 sensors the controller monitors 1 Select the Sensor Display item from the Utilities Menu to advance to the...

Страница 35: ...ddress and Baud Rate B Protocol This is the data format for communication between the unit and the host computer Available values are SPI CCP Modbus RTU and CAMAC SPI is the standard Society of Plastics Industry Inc protocol CAC is the CAMAC protocol used on older Milacron machines Modbus RTU is used in serial communication and is a common serial communications protocol for industrial equipment 1 ...

Страница 36: ...t 50 F Circulating 2 Use the Up and Down arrow keys to select the address for this unit The factory default is 1 The selection range is from 1 10 3 Press the Select button to save the address and confirm success 3 8 Instrument Options menu A The single selection under the Options menu is the Remote Start B Please note this option requires factory or field installation of optional equipment 1 Selec...

Страница 37: ...1 Set the time by selecting the Set Time option from the Machine Menu Using the Up and Down Arrow keys to select the hour minute and seconds Use the Select and Back Buttons to advance between Hour Minute and Seconds D Minimum Setpoint This parameter sets the lowest permissible setpoint temperature The factory default is 48 F The range is from 0 F 90 F 1 For Minimum Setpoints below 48 F A warning i...

Страница 38: ...sh F or Metric C Also when the optional flow meter is installed the flow will display in GPM if English is selected or LPM if Metric is selected 1 Use the Up or Down arrow keys to select the Unit display and then press the Select button to save and confirm success 2 The factory default value is English G Pressure and Timer Screens These parameters are factory set and should not be adjusted without...

Страница 39: ...e process a Press the red O button b If the compressor is running when the off button is pressed the refrigeration system will turn off but the pump will continue to run for about 30 seconds to carry away residual cooling that could damage the unit c Pressing the stop button twice shuts down the entire chiller including the process pump d If the compressor is not running when the off button is pre...

Страница 40: ...7 885 8683 Email service AdvantageEngineering com 4 0 TROUBLESHOOTING 4 1 Unit Will Not Start 4 2 Compressor Hums But Will Not Start 4 3 Shuts Off On High Pressure 4 4 Shuts Off On Low Pressure 4 5 Compressor Shuts Off On Internal Overload 4 6 Low or No Process Pressure or Water Flow 4 7 Cooling Capacity Inadequate 4 8 Sensor 4 9 Coolant Pump 4 10 Chiller Controller ...

Страница 41: ...terminals Power off and follow all company lock out tag out procedurebefore tightening terminals 4 3 SHUTS OFF ON HIGH PRESSURE LIMIT A Water cooled units 1 Water regulator valve Adjust condenser water regulator valve to maintain 100 F to 105 F refrigerant condensing temperature If valve is defective have valve repaired or replaced by a refrigeration serviceman 2 The water regulator valve is norma...

Страница 42: ...F If a low pressure condition exists for more than five seconds the compressor will stop and a fault occurs After the refrigerant pressure rises above the cut in pressure a three minute time delay will occur before the compressor restarts This will protect the evaporator and compressor from damage should a problem occur in the refrigeration system or if the chiller is operated under circumstances ...

Страница 43: ...RE OR WATER FLOW A Valves Check if water valves are open B Pump Check pump for correct rotation Check pump suction for restriction Replace motor if defective C Filters Check filter in the chilled water circuit and clean if necessary D Pressure switch or flow switch Readjust or replace if defective E Fuses and wiring Have electrician check the fuses and wiring 4 7 COOLING CAPACITY INADEQUATE A Low ...

Страница 44: ... overload circuit and restart the chiller 4 10 CHILLER CONTROLLER A The control instrument is used for all normal set ups diagnostics temperaturereadout and operational information It contains the software and electronic components which operate the control instrument B The control instrument is not field repairable It can be easily removed and replaced or repaired if a problem occurs C All contro...

Страница 45: ...ptions a Purchase a new instrument as a replacement b Send your instrument back for repair freight prepaid For a nominal fee contact factory for current fees your instrument will be repaired and returned c Purchase a new instrument and repair the old one as a back up F OTHER INFORMATION 1 Repair Warranty 1 year 2 Ship to Advantage Engineering 525 East Stop 18 Road Greenwood IN 46143 Attention Repa...

Страница 46: ...enwood Indiana 46142 317 887 0729 Fax 317 881 1277 Service Department Fax 317 885 8683 Email service AdvantageEngineering com 5 0 MAINTENANCE 5 1 Warranty Service Procedure 5 2 Periodic Preventative Maintenance 5 3 Special Maintenance 5 4 Pump Seal Service 5 5 Checking the Refrigerant Charge ...

Страница 47: ... covered by the warranty the Manufacturer will advise on the repair and recommend available service contractors C It is of the utmost importance that you provide the correct model number and serial number of the machine in question This will allow the Service Department to obtain the correct manufacturing records which will help to properly troubleshoot the problem and obtain the proper replacemen...

Страница 48: ...ice Department Fax 317 885 8683 Email service AdvantageEngineering com 5 3 SPECIAL MAINTENANCE A Any service of the refrigeration system must be accomplished by a certified refrigeration technician 1 Addition of compressor oil 2 Addition of refrigerant 3 Repair of a refrigerant leak 4 Adjustment of super heat 5 Repair of a refrigeration solenoid ...

Страница 49: ...oolant digital pressure gauge reads 0 and water make up flow is shut off and all pressure relieved 2 Disengage main power supply The operator must verify the proper lockout procedures are followed 3 Access the pump motor by opening or removing any cover panels as necessary figure 5 5B 4 Drain machine The machine can be drained by using the drain valve located on the pump case Drain fluid into a su...

Страница 50: ...nent arrangement to facilitate reassembly 11 Clean motor shaft and lubricate with a mild soap solution 12 Install new stationary seal member in pump casing cavity figure 5 5I The operator must be certain the stationary seal member is fully squared and seated in cavity 13 Slide the rotating member onto lubricated pump shaft figure 5 5J The operator must be certain not to damage or tear rubber bello...

Страница 51: ...46142 317 887 0729 Fax 317 881 1277 Service Department Fax 317 885 8683 Email service AdvantageEngineering com E When the pump seal replacement procedure is complete the operator may restart the unit according the section 3 Stationary member Figure 5 5I Stationary member Figure 5 5J Seal members Figure 5 5K ...

Страница 52: ...he plastic cap covering the sight glass 2 Start the chiller and allow system pressures and temperatures to stabilize Sight Glass 3 With the unit operating at 100 capacity not in the capacity control mode the sight glass should appear clear with no foam or bubbles evident If foamor bubbles are evident the chiller has suffered from a loss of refrigerant and should be checked by a qualified refrigera...

Страница 53: ...AGE ENGINEERING INC 525 East Stop 18 Road Greenwood Indiana 46142 317 887 0729 Fax 317 881 1277 Service Department Fax 317 885 8683 Email service AdvantageEngineering com 6 0 Components 6 1 Water System 6 2 Refrigeration System 6 3 Included Options ...

Страница 54: ...rant gas and compress the gas into high pressure high temperature gas B WATER COOLED CONDENSER The water cooled condenser removes heat from the compressed refrigerant gas As the heat is removed the gas condenses into a liquid state still under high pressure Water regulator valves are used on all models to control the refrigerant head pressure by modulating the condenser water flow C FILTER DRIER T...

Страница 55: ...ty control feature The capacity control feature matches the chiller capacity to the cooling load to provide temperature control and to prevent short cycling of the compressor Units with digital scroll compressors MGD use a solenoid valve to unload the compressor to as low as about 20 capacity Units without a digital scroll compressor use a hot gas bypass solenoid valve to reduce the chiller capaci...

Страница 56: ...e out of spec operating conditions Thereare two types of alarms Audible Alarm A simple buzzer alarm emits a loud alarm Visual Alarm beacon Emits an audible sound and flashes a beacon E E STOP BUTTON The Emergency stop button is a mushroom type button which will shut down all chiller operations when engaged F PROCESS LINE COUPLING QUICK DISCONNECT STAINLESS STEEL These couplings are full flow and i...

Страница 57: ...Stop 18 Road Greenwood Indiana 46142 317 887 0729 Fax 317 881 1277 Service Department Fax 317 885 8683 Email service AdvantageEngineering com 7 0 RELATED DRAWINGS 7 1 Mechanical Schematic MGD 15W ADV 02 7 2 Electrical Drawing MGD 15W ADV 02 7 3 Physical Drawing MGD 15W ADV 02 ...

Страница 58: ...V 02 Page 58 ADVANTAGE ENGINEERING INC 525 East Stop 18 Road Greenwood Indiana 46142 317 887 0729 Fax 317 881 1277 Service Department Fax 317 885 8683 Email service AdvantageEngineering com 7 1 MECHANICAL SCHEMATIC MGD 15W ADV 02 ...

Страница 59: ...GD 15W ADV 02 ADVANTAGE ENGINEERING INC 525 East Stop 18 Road Greenwood Indiana 46142 317 887 0729 Fax 317 881 1277 Service Department Fax 317 885 8683 Email service AdvantageEngineering com 7 2 ELECTRICAL DRAWING MGD 15W ADV 02 ...

Страница 60: ...MGD 15W ADV 02 ADVANTAGE ENGINEERING INC 525 East Stop 18 Road Greenwood Indiana 46142 317 887 0729 Fax 317 881 1277 Service Department Fax 317 885 8683 Email service AdvantageEngineering com 7 3 PHYSICAL Drawing MGD 15W ADV 02 ...

Страница 61: ... Portable Chiller MGD 15W ADV 02 ADVANTAGE ENGINEERING INC 525 East Stop 18 Road Greenwood Indiana 46142 317 887 0729 Fax 317 881 1277 Service Department Fax 317 885 8683 Email service AdvantageEngineering com ...

Страница 62: ... Portable Chiller MGD 15W ADV 02 ADVANTAGE ENGINEERING INC 525 East Stop 18 Road Greenwood Indiana 46142 317 887 0729 Fax 317 881 1277 Service Department Fax 317 885 8683 Email service AdvantageEngineering com ...

Страница 63: ... com 8 0 APPENDIX 8 1 Operating Below 48 F Fluid or 38 F Ambient 8 2 Refrigerant Pressure Temperature Chart 8 3 Inhibited Propylene Glycol 8 4 Chiller Capacity and Derate Chart 8 5 Standard MG Instrument Settings 8 6 Probe Calibration MG Instrument 8 7 Status Indicators MG Instrument 8 8 Water Quality 8 9 Modbus Registers 8 10 Gateway Module Configuration tGW 715 8 11 Remote and Auto Start Feature...

Страница 64: ...vices may be adjusted and the control instrument can be unlocked to allow operation below 48 F Refrigerant Low Pressure Switch Cut Out Cut In Settings Operating or Ambient Temperature Glycol Freeze Point Cut Out Temp Cut In Temp 48 70 F 0 32 F 32 F 36 F 39 F 102 111 25 47 F 30 10 F 10 F 15 F 18 F 63 72 10 24 F 40 5 F 5 F 0 F 7 F 43 52 F The unit is equipped with an adjustable low pressure switch A...

Страница 65: ...02 Page 65 ADVANTAGE ENGINEERING INC 525 East Stop 18 Road Greenwood Indiana 46142 317 887 0729 Fax 317 881 1277 Service Department Fax 317 885 8683 Email service AdvantageEngineering com 8 2 REFRIGERANT PRESSURE TEMPERATURE CHART ...

Страница 66: ...ive anti freeze contains silicate type corrosion inhibitors designed to be compatible with automotive components In an industrial application the silicates will form a gel on the heat transfer surface which will result in substantial reduction in cooling capacity and is virtually impossible to remove 8 4 CHILLER CAPACITY AND DERATE CHART Standard chiller rating is at 50 F For all other temperature...

Страница 67: ...artment Fax 317 885 8683 Email service AdvantageEngineering com 8 5 STANDARD MG INSTRUMENT SETTINGS A Caution See section 8 1 for proper settings based on your fluid set point temperature Adjustable Low Pressure Cut Out Range 9 PSI to 150 PSI Adjustable Low Pressure Cut In Range 19 PSI to 150 PSI Adjustable High Pressure Cut Out Range 225 PSI to 580 PSI ...

Страница 68: ... lots of ice You should place a digital thermometer in the ice bath to read the temperature of the bath Place the probe in the ice bath C Procedure 1 Restart the instrument according to the procedures outlined in the unit manual 2 Reduce the unit s setpoint to its lowest setting 3 The to process temperature on the display should equal the temperature of the ice bath as indicated by the digital the...

Страница 69: ...be is required repeat the setup and calibration procedure with the from process probe A from process probe may not be included with your chiller 8 Stop the unit following the shutdown procedure described in the manual and place all process probes back in the unit to return to normal operation From Process Calibration Potentiometer To Process Calibration Potentiometer From Process Calibration Poten...

Страница 70: ... digital scroll or scroll and digital or hot gas bypass capacity unloading Compressor On Scroll Compressor or Digital ScrollCompressor Unloading On Hot Gas Bypass or Digital Unloading Typical display for chillers with two compressors digital scroll or scroll and digital or hot gas bypass capacity unloading 2nd CompressorOn Scroll Compressor or Digital Scroll Compressor Typical display for chillers...

Страница 71: ... Chemical 1 800 447 4369 FREEZING POINTS FOR WATER PROPYLENE GLYCOL SOLUTIONS PERCENTAGE OF GLYCOL WATER FREEZE POINT F C 0 100 32 0 10 90 25 3 9 20 80 10 12 2 30 70 0 17 8 40 60 10 23 3 50 50 30 34 4 60 40 60 51 4 Propylene Glycol Note Glycol freeze point must be 25 F below lowest setpoint B The following are guidelines specific to chillers with an internal circulation pump and fluid reservoirs C...

Страница 72: ...GINEERING INC 525 East Stop 18 Road Greenwood Indiana 46142 317 887 0729 Fax 317 881 1277 Service Department Fax 317 885 8683 Email service AdvantageEngineering com 3 Algae 1 Algae organism growth can be controlled by the proper use of chemical treatment ...

Страница 73: ...artbeat On Then Off 15 97 112 R Machine Control 16 113 128 R These registers are mirrors of 9 11 They are used to indicate errors without sounding an alarm They can be used to indicate when a problem is present even when the alarm is shut off These bits will activate when the temperature is outside of the range set by the setoint and the deviation This doesn not indicate an error Pump Press Flow P...

Страница 74: ...h 2 Review the quick start document which can be obtained from the web site http ftp icpdas com pub cd tinymodules napdos tgw 700 document quickstart tgw 700_quick_start_en_v15 pdf B Instructions for Configuration 1 RS485 Wiring WHT BRN TxD1 WHT RED TxD1 and WHT BLK GND 2 Connect the powered 12 48Vdc as specified tGW 715 module to your computers network port with a standard Ethernet patch cable no...

Страница 75: ...rue user network settings will be different from those shown above You will typically only change the IP address and the Sub net Mask Make the appropriate changesand then click on OK Note Make sure you allow time for your Configure Server UDP settings to Save after clicking OK The S1 LEDs on the module should stop rapidly blinking to identify it is ready 2 Click on Search Server again to make sure...

Страница 76: ...nfiguration 1 In the eSearch utility select highlight the tGW 715_RevB server line again and then click on the WEB button This will open your default web browser and take you to the Login screen for your serial settings Enter the default password which is admin See the Quick start document if you have issues with browser you are using 2 Logging in will take you to the Tiny Modbus Gateway and the e...

Страница 77: ... then the Serial settings can be configured 4 For most of our Modbus RTU devices the default settings should be as follows Baud Rate 9600 Data Size bits 8 Parity None Stop Bits 1 5 Make sure the protocol is set to Modbus RTU No other settings should need to be changed 6 Make sure you click on Submit to save this information Instrument Settings On the instrument you are using make sure your protoco...

Страница 78: ... ordered with this option or it can be configured in the field C Caution When configured with auto start as described here the normal on off button will no longer function to turn the unit on and off The unit must be turned off using the installed remote on off switch D Factory installed remote or auto start feature 1 If MG Series control instrument has been factory configured with the remote or a...

Страница 79: ...e Offset Calibration Back Pick Go To Process 50 F Setpoint 50 F Circulating Flow Enable Offset Calibration Back Pick Go To Process 50 F Setpoint 50 F Circulating To Process 50 F Setpoint 50 F Circulating To Process 50 F Setpoint 50 F Circulating F To active the Remote Start features 1 Access main menu and advance to the Options menu 2 From the Options menu select Remote Start 3 Press the Select bu...

Страница 80: ...END 2022 Advantage Engineering Inc RE 20220427 ...

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