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Titan Central Chillers

Page: 30

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]

electric motor. The following example is the start up procedure for a two pump central

chiller.

Fully open the suction valves to the pumps allowing the pump case to fill with

water. Never allow the pump to operate dry, this can cause shaft seal failure.

Close the discharge valves. A centrifugal pump can be operated with no flow

without damage, although this should not be for an extended period of time.

Internal friction will cause the water in the pump case to overheat.

Place an amp meter on one leg of the process pump leads at the motor starter

block and start the motor. Slowly open the discharge valve allowing the process

piping to fill with water. After flow is established, continue to open the discharge

valve. The amp draw will increase as the flow increases until you reach the run

load amp rating listed on the motor data tag.

Please note: On initial start up the water use points may not be sufficient to fully

load the motor, as you add use points you should recheck the amp draw on the

motor and adjust the discharge valve as needed to prevent overloading of the

motor.

Place an amp meter on one leg of the tower pump leads and start the motor.

Slowly open the discharge valve allowing the piping to fill with water. After flow is

established, continue to open the discharge valve. The amp draw will increase

as the flow increases until you reach the run load amp rating listed on the motor

data tag.

Never operate a pump without water in the case or never operate a pump without

checking for proper amp draw.

Always operate the pump with the suction valve fully open. Adjust the amp draw

with the discharge valve starting from a closed position. Starting from a wide

open position can give a false reading and result in motor failure.

Suction Valve

Discharge Valve

Содержание Titan

Страница 1: ...GE 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 Covering Models From 20 180 Tons Air Water Cooled Model Serial Number with MG Control Instrument ...

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Страница 3: ...strument COVERING 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: ...Typical 22 2 9 Water Cooled Piping Installation Typical 23 3 0 OPERATIONS 25 3 1 General 26 3 2 Start Up Operation Procedure 26 3 3 Operator Controls 31 3 4 MG Instrument Operation 33 3 5 Instrument Main Menu 36 3 6 Instrument Setpoints Menu 36 3 7 Instrument Utilities Menu 38 3 8 Instrument Network Menu 39 3 9 Instrument Flow Menu option 41 3 10 Instrument Options Menu 42 3 11 Instrument Machine ...

Страница 5: ...g Procedure for Brazed Plate Evaporators 67 6 0 COMPONENTS 69 6 1 Refrigeration Components 70 6 2 Coolant System 72 7 0 RELATED DRAWINGS 75 7 1 Titan Circuit Drawing 76 7 2 Typical Press Drop 77 7 3 Typical Vacuum Breaker Anti Siphon System 78 8 0 APPENDIX 79 8 1 Operations Below 48 F Fluid or 38 F Ambient 80 8 2 Refrigerant Pressure Temperature Chart 83 8 3 Inhibited Propylene Glycol 84 8 4 Chill...

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Страница 7: ...enwood 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 Model Designation 1 8 Components ...

Страница 8: ...ure will release it Refrigerant gas can cause toxic fumes if exposed to fire Install this unit in a well ventilated area away from open flames Failure to follow these instructions and in accordance to all local and national codes 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 refrigera...

Страница 9: ...ns in literature and on tags stickers and labels located on the equipment Wear work gloves and safety glasses 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 This equipment contains refrigerant under pressure Accidental release of refrigerant under pressure can cause...

Страница 10: ... be followed The Manufacturer accepts no responsibility for inefficient operation or damage caused by foreign materials or failure to use adequate water treatment 1 5 CLEAN AIR ACT A Units manufactured after January 1 2010 may contain refrigerant HFC 410A HFC 407C HFC 404A or HFC 134A Most units manufactured prior to January 1 2010 contain refrigerant HCFC 22 B It is unlawful for any person in the...

Страница 11: ...y treated water D Do not use deionized water in this unit Some customized units may be compatible with deionized water Consult the factory before using deionized water 1 7 MODEL DESIGNATION A The Serial Number identifies the exact configuration of your unit and should be available when contacting the Factory for service or information B There maybe additional numbers and letters at the end of the ...

Страница 12: ...rtment Fax 317 885 8683 Email service AdvantageEngineering com 1 8 COMPONENTS A Water cooled condensers B Pump suction valve handles C Alarm D Gauge panel E Compressors F Fluid reservoir G Evaporator pump H Operator control panel I Electrical cabinet J Standby pump K Pump discharge valves L Process pump Titan TI 60W shown A J F D I H L K G B E C ...

Страница 13: ...85 8683 Email service AdvantageEngineering com 2 0 INSTALLATION 2 1 General 2 2 Unit Location 2 3 Chilled Water Piping Installation 2 4 Water Cooled Condenser TI W Models 2 5 Air Cooled Condenser TI A Models 2 6 Make Up Water Supply Connection 2 7 Electrical Connection 2 8 Air Cooled Condenser Installation Typical 2 9 Water Cooled Condenser Installation Typical ...

Страница 14: ...nd level mounting surface with adequate strength to support the operating weight of the chiller including the weight of water and attached piping B Air cooled units include an indoor portion chiller and remote outdoor condenser The indoor unit contains the refrigeration circuits pumping station and microprocessor control and is located inside the facility The remote air cooled condenser is located...

Страница 15: ... F Valves 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 2 4 WATER COOLED CONDENSERS TI W MODELS A The TI W chiller is designed for indoor use and should be located in a clean dry and well v...

Страница 16: ...gned for outdoor installation normally selected for ambient air temperatures from 20 F minimum to 95 F maximum Ambient conditions outside of the rated temperatures may require an alternate selections for proper operations B Refrigerant piping for remote outdoor condenser models 1 Only refrigerant grade copper and solder shall be used 2 The refrigerant line sizes shall be based on equivalent line l...

Страница 17: ...are not acceptable High temperature phos copper should be used on all joints G The following should be field provided and installed in the interconnecting piping 1 Discharge line check valves installed after the oil separator 2 Shut off valves in the hot gas and liquid lines 3 Pressure relief valves located at the condensing unit 4 Refrigerant recovery ports located at the condensing unit 5 Invert...

Страница 18: ...connection to the plant s water source 2 Minimum make up water supply pressure is normally 20 psi 3 Install an owner supplied shut off valve in the make up water supply line Install this valve on the outside of the unit 4 Use a back flow prevention device as may be required by local codes to prevent possible contamination of potable water B Do not use automatic water make up system when operating ...

Страница 19: ...it s voltage requirements taking into account the SSCR Rating 3 A customer supplied four conductor cable is required for connection to a customer supplied fused disconnecting means The fused disconnecting means shall be sized and installed according to the unit s power supply requirements and local electrical codes Some custom units may include a fused or non fused disconnect switch 4 Connect the ...

Страница 20: ...r A control circuit fuse is provided C GENERAL 1 Make certain all ground connections to the unit are properly affixed 2 Make certain power conductor disconnecting means and fusing are properly sized according to the unit s power supply requirements 3 Follow all local and national codes 4 Make certain that all owner and factory wire connections are tight before applying power to the unit WARNING Do...

Страница 21: ...itor optional Zone Boards Transformer Power Entry Fuses Compressor Starter Relays Pump Motor Starter Relays Refrigerant and Coolant Pres sure Gauges Alarm Beacon Typical electrical panel show Refer to the electrical drawing provided for details to the particular unit WARNING Check that all electrical connections are tight before starting Disconnect power before servicing Follow all facility lock o...

Страница 22: ...ocess water flow during filter service 14 Drain back dam keeps header pipes full during shut down periods 15 Main header valves closed for header service or during use of alternate source of cooling water 16 Alternate source of cooling water on off valve for system emergency back up 17 Alternate water supply source for system emergency back up 18 System multi use open drain reservoir overflow rese...

Страница 23: ... dam keeps header pipes full during shut down periods 15 Main header valves closed for header service or during use of alternate source of cooling water 16 Alternate source of cooling water on off valve for system emergency back up 17 Alternate water supply source for system emergency back up 18 System multi use open drain reservoir overflow reservoir drain system emergency back up 19 Process wate...

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Страница 25: ...ering com 3 0 OPERATIONS 3 1 General 3 2 Start Up Operations Procedure 3 3 Operator Controls 3 4 MG Instrument Operation 3 5 Instrument Main Menu 3 6 Instrument Setpoints Menu 3 7 Instrument Utilities Menu 3 8 Instrument Network Menu 3 9 Instrument Flow Menu optional 3 10 Instrument Options Menu 3 11 Instrument Machine Menu 3 12 Controls 3 13 Pressure Gauges Alarms 3 14 Digital Pressurestat Set Up...

Страница 26: ...System Fill 1 For operating temperatures from 48 F to 80 F use water to fill the unit For operating temperatures below 48 F a water and propylene glycol mixtures must be used An inhibited propylene glycol can be used for operating temperatures above 48 F if desired to prevent corrosion and scaling Use the minimum ratio that is recommended by the glycol manufacturer See section 8 of this manual for...

Страница 27: ...ter Consult factory if not certain 7 The tank is normally equipped with an automatic water make up system One of several automatic make up systems may be used on your system a Mechanical automatic water make up with a Hudson Float b Mechanical level switch that activates a solenoid valve where the level swtich is located outside of the tank c Ultrasonic switch that activates a solenoid valve as de...

Страница 28: ...When the temperature limit trips the compressor must be allowed to cool before it will restart This many take substantial time 8 Procedure to set proper rotation a Supply electrical power to the unit Once the correct voltage is supplied to the unit the POWER switch on the unit s control panel will illuminate Adjust the setpoint to 70 F or higher to prevent the compressor from activating during thi...

Страница 29: ...by the pressure losses in the process loop Generally higher flow rates result in turbulent flow achieving maximum temperature control and 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...

Страница 30: ...ontinue to open the discharge valve The amp draw will increase as the flow increases until you reach the run load amp rating listed on the motor data tag 4 Please note On initial start up the water use points may not be sufficient to fully load the motor as you add use points you should recheck the amp draw on the motor and adjust the discharge valve as needed to prevent overloading of the motor 5...

Страница 31: ...A typical configuration is shown here B Operator Controls 1 MASTER STOP STOP This controls the overall operation of the unit In the On position the unit can operation In the Off position the unit will not operate even if power is applied to the unit A power indication is provided 2 EMERGENCY STOP This mushroom type button will instantly stop all unit operation 3 PUMP CONTROL This controls the oper...

Страница 32: ...p 18 Road Greenwood Indiana 46142 317 887 0729 Fax 317 881 1277 Service Department Fax 317 885 8683 Email service AdvantageEngineering com Titan Central Chillers MG Control Instrument Operator Controls Process Pump Standby Pump Evaporator Pump Pressure Gauges Pump Valves ...

Страница 33: ...tes the unit is ready to start and there are no faults preventing operation b Status Not Ready After applying power a screen that reads Not Ready typically indicates the presence of a sensor probe fault pressure switch fault or motor overload fault See the troubleshooting and maintenance portions of the manual for additional Information The fault must be corrected in order to continue operation of...

Страница 34: ...act your local refrigeration contractor or the factory for further information The operating range of the chiller control may be changed to 10 F 90 F by adjusting the Setpoint Lockout SPL jumper Refer to Section 3 3 c 3 of this manual for more information 4 TO START THE UNIT A Press the Green I Button Circulating will appear in the lower portion of the display window The pump will circulate fluid ...

Страница 35: ...as occurred the control will attempt to turn the compressor back on after 3 minutes If the fault condition remians the compressor will not restart and the control will retry after 1 minute The sequence will repeat 3 times then the system will lock out and the unit must be powered off on to restart the unit If a high pressure fault occurs the fault must be acknowledged by pressing the start button ...

Страница 36: ...tilities 3 Network 4 Flow 5 Options 6 Machine B The Main Menu is accessible from the Standby screen by pressing the Select button C The Main Menu is also accessible from any Operating screen by pressing the Select button In the example below while on the Cooling screen pressing the Select button will advance to the Main Menu 3 6 INSTRUMENT SETPOINTS MENU A Under the Setpoints menu item the values ...

Страница 37: ...50 F 2 Once acknowledged press the Back button repeatedly to return to the Setpoints screen or press the home button to return to the Home screen D Low Flow optional feature not included on all units The Low Flow value programs the controller to sound an alarm if the process flow goes below the low flow set value To Process Setpoint 50 F Circulating 50 F To Process Setpoint 50 F Circulating 50 F H...

Страница 38: ...e for bad pixels or sectors 1 Select the Display Test item from the Utilities Menu to advance to the Display Test screen To Process Setpoint 50 F Circulating 50 F Change Setting Lo Deviation Success Acknowledge To Process Setpoint 50 F Circulating 50 F Software Version Back c239192b31f8605a4be3f 3070525d514621a4ae8 To Process Setpoint 50 F Circulating 50 F Setpoints Process Setpoint Hi Deviation L...

Страница 39: ... Protocol Address 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 e...

Страница 40: ...select Address 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 To Process Setpoint 50 F Circulating 50 F To Process Setpoint 50 F Circulating 50 F Baud Rate Cancel Adjust OK Network Protocol Baud Rate Address Back Pick Go 2400 9600 19200 38400 115200 To P...

Страница 41: ...ing 50 F To Process Setpoint 50 F Circulating 50 F Offset 3 GPM Back Pick Go To Process Setpoint 50 F Circulating 50 F Flow Enable Offset Calibration Back Pick Go FLow Enable Offset Calibration Back Pick Go To Process Setpoint 50 F Circulating 50 F Change Setting Offset Success Acknowledge To Process Setpoint 50 F Circulating 50 F To Process Setpoint 50 F Circulating 50 F Calibration 770 Back Pick...

Страница 42: ...lating 50 F Main Menu Setpoints Utilities Network Flow Options Machine Back Pick Go Main Menu Setpoints Utilities Network Flow Options Machine Back Pick Go To Process Setpoint 50 F Circulating 50 F Machine Secondary Pump Chiller Type Cooling Source Back Pick Go To Process Setpoint 50 F Circulating 50 F Machine LP Cutout LP CutIn LP Start Up Delay LP Run Delay HP Cutout Back Pick Go To Process Setp...

Страница 43: ...ing the operating setpoint below 48 F The warning must be acknowledged before the change is made by pressing the Select button 3 For Minimum Setpoints 48 F and above From the Machine Menu advance to the Minimum Setpoint screen to enter the minimum setpoint Confirm the selection with the Select Button Minimum Setpoint 48 F Back Adjust OK Machine Set Date Set Time Min Setpoint Hi Temp Shutdown Units...

Страница 44: ...e 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 consulting the factory Changes are recorded in the instrument memory and adjusting these parameters could void the Factory warranty Pressure Related LP Cut Out LP Cut In HP Cut Out Timer Related LP Start Up Delay LP Run ...

Страница 45: ...ezestat Factory adjusted to turn off the compressor in the event an unsafe temperature should exist from the evaporator This switch should be periodically checked for proper operation C High Pressure Factory set or fixed cut out manual or automatic reset required Opens due to high pressures associated with improper refrigerant condensing or high fluid temperature overloading the compressor D Low P...

Страница 46: ...ler will start up the pump when a low level condition exists If the low level condition continues after about one minute a low level fault is displayed the instrument 3 The alarm may be silenced by pressing the green button 4 The fault will continue to be shown on the instrument display The usual home screen will not be visible 5 The setpoint can be checked and changed through the menu system and ...

Страница 47: ...n models F The alarm pressure switch functions to energize the alarm if coolant pressure is denied the process 3 13 PRESSURE GAUGES ALARM BEACON A The to process pressure gauge indicates fluid pressure being delivered by the process pump to the load B The refrigerant head pressure gauge indicates the pressure of the refrigerant as it is being condensed in the condenser C The refrigerant low pressu...

Страница 48: ...ll reactivate automatically after the pressure rises above the differential value 3 14 DIGITAL PRESSURESTAT SET UP A Some models of this central chiller provide optional digital pressurestats for refrigerant high and low pressure monitoring and display in lieu of traditional analog gauges B The digital refrigerant pressurestat is a dual pressure safety switch as well as a current value refrigerant...

Страница 49: ...ise severe damage to the evaporator could occur 4 Press and release the Toggle Display button again to save the value and move to the next value 5 You will see spDif XXX the suction pressure differential This value indicates the number of PSI the suction pressure must rise above the cut out value before the system will restart 10 PSI is usually a good number for this value and is the default value...

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Страница 51: ...ice 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 Pumps 4 10 Oil Pressure 4 11 Crankcase Heater 4 12 Chiller Controller ...

Страница 52: ...y coming into the plant call the local power company D Loose terminals Power off and follow all company lock out tag out procedure before tightening terminals 4 3 SHUTS OFF ON HIGH PRESSURE LIMIT Note Units may be equipped with either an adjustable or non adjustable fixed high pressure switch If the refrigerant pressure exceeds the setting of the adjustable switch it must be manually reset when th...

Страница 53: ...FF ON LOW PRESSURE CONTROL Note Units may be equipped with either an adjustable or non adjustable fixed low pressure switch The adjustable or fixed low pressure switch will automatically resets when the pressure rises above the cut in pressure If this does not occur contact the Manufacturer s service department for instructions If the unit low pressure limit activated three 3 consecutive times dur...

Страница 54: ...ce if defective E Restriction in the liquid line 1 Clogged filter drier Check for pressure or temperature drop and have drier core replaced by a refrigeration serviceman 2 Liquid line valve or suction valve on compressor is partially closed Open fully 3 Liquid line solenoid not opening fully or leaking during off cycle Have the solenoid repaired or replaced if defective by a refrigeration servicem...

Страница 55: ...ions between the defective probe and a probe known to be working properly A defective sensor will display a in the display window on the instrument control Please note that will also display when process temperatures are above 100 F 4 9 COOLANT PUMP process evaporator and standby A The centrifugal pump is designed to operate at a specific flow and pressure at the maximum run load amp draw of the m...

Страница 56: ...factured specifically for Advantage by our affiliated company Advantage Electronics If you experience problems with your Advantage control instrument it s as easy as 1 2 3 to execute our repair or replacement system in order to get your Advantage equipment running D IN WARRANTY SERVICE INCIDENT 1 Call Advantage Service at 317 887 0729 for diagnostic assistance 2 If a control instrument is determin...

Страница 57: ...tageEngineering com F OTHER INFORMATION 1 Repair Warranty 1 year 2 Ship to Advantage Engineering 525 East Stop 18 Road Greenwood IN 46143 Attention Repairs 317 887 0729 3 Include in box part purchase order contact name phone number symptom if available 4 For Priority Service send the instrument to us via overnight shipment We usually repair these instruments the same day we receive them ...

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Страница 59: ...1277 Service Department Fax 317 885 8683 Email service AdvantageEngineering com 5 0 MAINTENANCE 5 1 Warranty Service Procedure 5 2 Periodic Preventive Maintenance 5 3 Special Maintenance 5 4 Solenoid Valve Service 5 5 Pump Seal Service 5 6 Checking the Refrigerant Charge 5 7 Proper Cleaning Procedure for Brazed Plate Evaporator ...

Страница 60: ...red 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 replacement par...

Страница 61: ...5 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 Changing of filter drier or drier core 6 Repair of a refrigeration solenoid ...

Страница 62: ...ften it will not fully close because debris from poor make up water quality is in the valve mechanism 2 To replace the coil disengage power from the unit following all lock out tag out procedures Remove the wires from the failed coil and remove the coil from the valve stem Install the new coil on the stem and reconnect the wires 3 To service the solenoid valve follow the procedure below a Disengag...

Страница 63: ...eenwood Indiana 46142 317 887 0729 Fax 317 881 1277 Service Department Fax 317 885 8683 Email service AdvantageEngineering com Coil and solenoid base sub assembly Body Gasket Valve body Core assembly Core spring Diaphragm spring Diaphragm assembly g Clean all components as required ...

Страница 64: ... pressure is relieved COOLANT 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 ...

Страница 65: ... removed Once the retaining screw is removed the impeller can be unthreaded from the motor shaft to expose the pump seal assembly 10 Remove all seal parts Figure 5 5H Note seal component 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...

Страница 66: ...asing cavities impeller and O ring before reassembly 17 Mate the motor and motor adapter to the pump casing Reinstall the pump casing bolts 18 Reconnect the motor power cord and leads 19 Restore all cover panels as were removed 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...

Страница 67: ...technician 5 7 PROPER CLEANING PROCEDURE FOR BRAZED PLATE EVAPORATORS A The brazed plate evaporator is made of stamped stainless steel plates furnace brazed together with copper based joints The complex geometry of the flow passages promotes turbulent flow which gives high efficiency and reduces fouling by mineral deposits Large solids such as plastic pellets or chunks of mineral deposits will col...

Страница 68: ...oir tank Dispose of all back flush fluid according to local codes 4 The cleaning fluid source should have at least 20 psi available If acid cleaning follow the instructions supplied with the acid solution carefully 5 When the procedure is complete reinstall all water lines to original factory orientation Restart the unit and check for proper operation 6 Note This procedure is not normal maintenanc...

Страница 69: ...DVANTAGE 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 Refrigeration System 6 2 Coolant System ...

Страница 70: ...ilter drier removes contaminants and moisture from the liquid refrigerant figure 6 2C D LIQUID LINE SOLENOID VALVE Controlled by the instrument this valve closes when the compressor cycles off to prevent refrigerant liquid from migrating to the evaporator The valve opens when the compressor cycles on E REFRIGERANT SIGHT GLASS The refrigerant sight glass indicates refrigerant charge and moisture co...

Страница 71: ...essure safety must not be altered in the field for any reason See section 8 1 for factory settings The low pressure switch is factory set to open at 32 F and to close at 36 39 F The low pressure switch protects the chillers from possible damage due to low operating pressure The low pressure switch is field adjustable for setpoints below 48 F NEVER LOWER THE CUT OUT SETTING WITHOUT ADDING GLYCOL TO...

Страница 72: ...ompressor suction and refrigerant evaporating pressure Pressure operating range will vary depending on refrigerant type 6 2 COOLANT SYSTEM A Reservoir Provides coolant storage during non operating periods An internal baffle separates from process and to process fluid flows during operating periods B Process Pump Provides fluid to the central system C Standby Pump Optional pump to provide backup fo...

Страница 73: ...enwood Indiana 46142 317 887 0729 Fax 317 881 1277 Service Department Fax 317 885 8683 Email service AdvantageEngineering com Reservoir Water Make Up Valve Reservoir Sight Glass Process Pump Condenser Connections Water Cooled Models Standby Pump Evaporator Pump Reservoir Level Switch ...

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Страница 75: ...25 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 0 RELATED DRAWINGS 7 1 Circuit Drawing 7 2 Typical Press Drop 7 3 Typical Vacuum Breaker Anti Siphon System ...

Страница 76: ...ischarge valve 25 Flow safety switch 26 Factory adjusted flow control valve 27 Evaporator 28 Freezestat 29 Compressor suction valve 30 Compressor 31 Low pressure safety switch 32 Low pressure gauge Item 33 High pressure safety switch 34 Compressor discharge valve 35 Condenser 36 Service valve 37 Head pressure gauge 38 Condenser safety relief valve 39 Water regulator valve 40 Condenser flow control...

Страница 77: ... AND PRESSURE REQUIREMENTS SEE SCHEDULE 5 SEE VALVE POSITION SCHEDULE FOR OPEN REQUIREMENTS ALL OTHER VALVES ARE CLOSED MORE THAN ONE CONDITION MAY EXIST AT ONE TIME WITH THE EXCEPTION OF MIXING TOWER AND CHILLED WATER SYSTEMS V CHILLED WATER TO PROCESS CHILLED WATER FROM PROCESS CHILLED WATER FROM PROCESS CHILLED WATER TO PROCESS ON TO AND FROM PROCESS LINES CHILLED WATER TO AUXILIARY UNIT PROCES...

Страница 78: ...ack dam is to retain water in the header system during shut down and to eliminate air purge and shock to plumbing during start up 2 It is necessary to duplicate this arrangement on both the supply and return lines 3 The drain down valve allows header drainage for system maintenance and is closed during normal operation 4 The vacuum breaker must be located at the highest point in the system nearest...

Страница 79: ... Greenwood Indiana 46142 317 887 0729 Fax 317 881 1277 Service Department Fax 317 885 8683 Email service AdvantageEngineering com 8 0 APPENDIX 8 1 Operations Below 48F 8 2 Inhibited Propylene Glycol 8 3 Refrigerant Pressure Temperature Chart 8 4 Chiller Capacity and Derate Chart ...

Страница 80: ...ls in automotive engines Silicates can gel and cause deposits to foul and insulate heat exchanger surfaces In your chilling system that can mean higher energy costs high pumping costs and possibly even shut downs for system cleaning We recommend the use of DowFrost or Monsanto DFS 1 E Once a satisfactory antifreeze solution is in place the protective devices may be adjusted and the control instrum...

Страница 81: ...th a switch with a lower limit Note Fixed Low Pressure Switches are not used on production models beyond the manufacturing date of January 2018 2 The lower range low pressure switch can be obtained from the factory by calling 317 887 0729 and asking for the service department The model and serial number of your unit is required 3 A qualified refrigeration technician is required to change the switc...

Страница 82: ...ll the Advantage service department for specific instructions 1 LE Instruments Adjust the DIP switch to accommodate the expanded temperature range Contact the factory for more information 2 Multizone Instruments Adjust the DIP switch to accommodate the expanded temperature range Contact the factory for more information M Once all safety provisions are made the temperature control set point may now...

Страница 83: ...age 83 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 84: ...t transfer applications Automotive 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 A Standard chiller rating is ...

Страница 85: ...nt Fax 317 885 8683 Email service AdvantageEngineering com 4 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 86: ...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 thermomet...

Страница 87: ... 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 From Process Calibration Potentiometer To Process Calibration Potentiome...

Страница 88: ...roll Compressor or Digital Scroll Compressor 2nd Compressor On Scroll Compressor or Digital Scroll Compressor Unloading On Hot Gas Bypass or Digital Unloading Setpoint 50 F Outputs Compressor On Discus Compressor Unloader On Setpoint 50 F Outputs Compressor On Screw Compressor Compressor at 50 Capacity Compressor at 75 Capacity Pulse Typical display for chillers with a single compressor digital sc...

Страница 89: ...ical 1 800 447 4369 B The following are guidelines specific to chillers with an internal circulation pump and fluid reservoirs C Long term performance of your chiller will be adversely affect by poor water conditions The three major problems water treatment must address are 1 Scaling a Scaling of the heat transfer surfaces due to minerals can be minimized by proper treatment and filtering of the m...

Страница 90: ...RING 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 91: ...I PSI PSI Notes Deviation Value Deviation Value Absolute Value Low water level is defined but not implemented and will never trigger Bit 15 Bit 14 Bit 13 Bit 12 Bit 11 Bit 10 Bit 9 Low Flow Bit 8 Bit 7 Bit 6 Bit 5 Low Temp Bit 4 Hi Temp Bit 3 Alarm Machine Bit 2 Alarm Process Bit 1 Alarm Bit 0 0 Bit 15 Bit 14 Bit 13 Bit 12 Bit 11 Bit 10 Bit 9 Phase Wrong MOL Evap Pump Low Flow Bit 8 Bit 7 Bit 6 Bi...

Страница 92: ...red 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 auto s...

Страница 93: ...save the selection To Process Setpoint 50 F Circulating 50 F To Process Setpoint 50 F Circulating 50 F Remote Start Enable Disable Back Pick Go To Process Setpoint 50 F Circulating 50 F Flow Enable Offset Calibration Back Pick Go FLow Enable Offset Calibration Back Pick Go To Process Setpoint 50 F Circulating 50 F Change Setting Remote Start Success Acknowledge Options Remote Start Back Pick Go To...

Страница 94: ...END 2021 ADVANTAGE ENGINEERING INC RE 20210407 ...

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