16TJ Single-Effect Steam-Fired Absorption Chillers
Contents
1. _ O ES 313 REMOTE STAND BY C 2 2 ET DILUTION 2 BUZZER STOP LOCAL SAFETY CIRCUIT 7 c C CHILLERALARM Q m EE POWER y D M J Legend 1 Remote key 2 Localkey 3 Stop key 4 Runkey NOTE If the chilled water pump cooling water pump and chiller are interlocked each pump runs automatically when starting the chiller If not the start sequence must be Chilled water pump cooling water pump chiller 3 4 2 Start cooling operation Refer to Figure 14 Local operation mode e Press the LOCAL key on the chiller control board The LOCAL indication light of the key is on Keep pressing the RUN key for more than a second and make sure that the RUN indicator lightp of the key is on e Automatic operation starts Remote operation mode e Press the REMOTE key on the chiller control board The REMOTE indicaton light of the key is on e Turn on the start switch on the remote control panel for the field supply The indicator light of the RUN key on the chiller control board is on e Automatic operation starts NOTE In local operation mode the signal from the remote control panel does not work In remote operation mode the RUN key of the chiller control board does not work 3 4 3 Stop operation Refer to Figure 14 Local operation mode e Keep pressing the STOP key on the chiller control board for more than a second e M2. Crystallization Absorbent pump cavitation 25 Ambient temperature and or humidity are too high Cooling water control valve malfunctions Cooling tower water spray malfunctions Cooling tower fan malfunctions Cooling tower fan belt is broken Ambient temperature is too low 5 Cooling water entering temperature is too low with insufficient air purging 70 APPENDIX 1 TROUBLESHOOTING FLOWCHART CONT Generator alarm Electrical parts problem Electrical parts sensors malfunction 20 Microprocessor malfunctions Cam switches malfunction Pressure switch malfunctions Microprocessor solution level incorrect Temperature sensor malfunctions Solution level electrode malfunctions 80 Electrode surface is contaminated Electrode is defective Teflon tube on electrode has been removed High temp generator problem 16DJ Combustion chamber and smoke tube are sooted 90 Incorrect combustion adjustment Blower suction is clogged air gas oil ratio is incorrect Flue is clogged gt air gas oil ratio is incorrect Too much gas oil 8 Gas pressure increases Incorrect gas oil linkage adjustment Baffles provided in smoke tube are defective 2 37 APPENDIX 1 TROUBLESHOOTING FLOW
3. f adi E STOP RUN US J CENE STAND BY 2 12134 CHILLER ABS PUMP 6 o PURGE PUMP SET gt DILUTION SAFETY CIRCUIT Nol Nul fa CHILLER ALARM KO POWER REMOTE BUZZER STOP OPERATION RUN Z e Legend 1 Operation indication light 2 Stop indication light 3 Alarm indication light 4 Remote local select key with LED 5 Operation select key with LED 6 Data display 7 segment LED 7 Standby indication light 8 Dilution indication light 9 Safety circuit indication light 10 Power indication light 11 Data select key 12 Alarm buzzer stop key The operation indication light is on when the chiller is running The stop indication light is on when the chiller is shut down The alarm indication light is on when an alarm occurs To select remote operation or local operation Key used to run stop the chiller The stop key is also used for alarm reset Shows the temperature setpoint etc On when the chiller is waiting for the interlock signals form the chilled water and the cooling water pump On during the dilution cycle On when power is supplied to the con
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5. Ignition spark wire is removed or broken Protection relay is defective Flame detector 1s defective Flame remains after stop of combustion Gas pressure Measure gas Check gas regulator in main gas pipe line alarm supply pressure Check gas strainer 80 Check other equipment installed in main gas pipe line Check gas regulator installed in gas train Check 4 Pressure Confirm movement of the switch switch 20 Check the setting Air flow Confirm air flow Check the setting alarm switch 80 Check the contact of the air flow switch Check if the air flow switch is installed correctly 38 Measure pressure inside the wind box 20 Check the suction side of the wind box for obstruction by foreign material Check the tube between the box and the air flow switch for obstruction by foreign material APPENDIX 1 TROUBLESHOOTING FLOWCHART CONT 5 Water alarm low 70 Electric Electrical parts Microprocessor system defective 60 Flow switch Temperature sensor Auxiliary relay in chiller control panel Interlock Em 409 Check wiring and electric parts of interlock wiring _ Water system Temperature Leaving chilled water Temperature control function 40 temperature too does
6. 3 7 Maintenance message 3 8 Alarm indication and actions Appendix 1 Flowchart at the end of that document 27 Fig 26 V2 AN ES V3 T 8 SV1 9 3 44 N o ae 28 1 280 Sampling cylinder MATERIAL ACRYL RESIN 54 Attachment 6 100 13 16 14 A Valve 19 15 18 150 Legend Attachment Liquid trap Vacuum gauge Vacuum rubber hose Vacuum valve Sampling cylinder Purge pump Sampling service valve Attachment 10 Vacuum rubber hose 11 Vacuum 12 Sampling cylinder 13 Rubber plug 14 Copper tube 15 Flare nut brass 16 Rubber hose 17 Steel wire 18 Copper tube 19 Flare nut brass 20 Copper tube 28 6 INSTRUCTIONS 6 1 Absorbent sampling method This instruction describes the procedure for sampling a small amount of the absorbent 6 1 1 Equipment to use e Sampling cylinder and attachments for service valve e Vacuum rubber hose e Pliers e Vacuum gauge 0 1 kPa 6 1 2 Precautions Because of the high vacuum condition inside the chiller ensure that air never leaks into the chiller during this work e Handle the vacuum valve carefully so as not to damage it e Solution absorbent and refrigerant is sampled at SV5 SV6 and SV3 in the s
7. This symbol prohibits an action The illustration next to this symbol shows the specific description of the item This symbol instructs an action to be done The illustration in this symbol shows the specific description of the item 1 1 1 Safety considerations WARNINGS TURN OFF THE BREAKER BEFORE CLEANING AND CHECKING Always turn off the circuit breaker before cleaning and checking the cooling tower fan chilled water pump or other components linked to the chiller to provide protection from electric shock or possible injury from the rotating fan INSPECTION STOP OPERATION IN CASE OF FIRE EARTHQUAKE OR ELECTRICAL STORMS Stop operation in case of fire earthquake or an electrical storm to prevent fire or electric shock MUST BE OBSERVED DO NOT TOUCH THE CONTROL PANEL SWITCH WITH WET HANDS Do not touch the switch inside the control panel with wet hands to avoid electric shock OFF SWITCH DO NOT TOUCH DO NOT TOUCH THE WIRING INSIDE THE CONTROL PANEL Do not touch the wiring inside the control panel to avoid electric shock DO NOT TOUCH ma BE Lain EIN DO NOT TOUCH HIGH VOLTAGE CABLES Do not touch high voltage cables to avoid electric shock DO NOT TOUCH 1 PRECAUTIONS CONT WARNINGS CAUTIONS KEEP FLAMMABLE SUBSTANCES AWAY FROM THE CHILLER Do not place any flammable substances e g gasoline thinner close to chiller flue chi
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9. 1 2 for refrigerant Scale 1 4 1 6 for diluted absorbent Scale 1 6 1 8 for diluted intermediate and concentrated absorbent e Thermometer 6 2 2 Precautions Take care not to damage the gravimeter and thermometer e Becareful not to spill any solution Do not fill the sampling cylinder more than about 80 e Perform this measurement quickly 6 2 3 Procedure e the sampling cylinder to about 80 with the solution to be measured e Keep the sampling cylinder vertical and insert the gravimeter into it e When the gravimeter stops moving up and down read its scale which shows the gravity of the solution e Remove the gravimeter and put it aside Then insert the thermometer into the sampling cylinder and stir the solution thoroughly e When the temperature stabilizes read the scale on the thermometer e Remove the thermometer and put it aside e Store the solution in another bottle Using the concentration diagram of the lithium bromide solution read the concentration e Upon completion of the measurement wash the gravimeters thermometer and sampling cylinder with water and store them so that they are not damaged Example The horizontal axis represents temperature and the vertical axis represents relative density The lines going down from left to right represent the fixed concentrations For example if the relative density is 1 77 and the temperature is 45 C the concentration given by the po
10. Eg p iter ede 25 SSIROUBEESHOOTING eer peterent etia ede etre 27 6 CH M4 0L O4 M LOT Css pc 29 6 1 Absorbent sampling method titii ead HS re va 29 6 2 Concentration measurement Cum a ette PER 29 7 MAINTENANCE CONTRACT ciiin rot e PB DE Quit ud aedem oi tbe ta etre dedere EE KE Na a en 31 7 1 mainte ance 31 T 2 Inspection report 31 7 3 31 Appendix 1 Troubleshooting sasanga sasa bag moet sa abba cete pe EHE abane 32 41 The cover photograph is for illustrative purposes only and are not contractually binding 1 PRECAUTIONS 1 1 Safety precautions Before operating this chiller first carefully read the following instructions e All precautions are classified as either WARNING or CAUTION WARNING Failure to observe this instruction may result in serious injury or death CAUTION Failure to observe this instruction may cause an injury or failure of chiller Depending on circumstances this may result in serious injury or death e After reading this manual it should be kept in a safe place to be available for any user at any time This symbol denotes danger a warning or a caution The illustration in this symbol shows the specific description of the item
11. defective 6070 Pd cell heater is defective Air leakage 3096 Insufficient air purging 3096 Chilled water flow rate is too high Flow rate is Cooling water pump control malfunctions inadequate 30 Strainer is clogged Insufficient feed water Air in the cooling water line Cooling water Ambient temperature and or humidity are too high temp is too high Cooling water control valve malfunctions 50 Cooling tower water spray malfunctions Cooling tower fan malfunctions Cooling tower fan belt is broken Cooling water temperature control thermostat malfunctions 20 Partition plate in water box is removed Absorber and condenser tubes are fouled Insufficient Solution flow rate is not _ Wrong inverter setting absorbent flow adjusted properly Check valve malfunctions rate 30 Wrong damper adjustment Condensed refrigerant pipe connected between the low temperature generator and condenser is clogged Heat transfer tubes in high low temperature heat exchangers leak Heat exchanger is clogged with foreign material Insufficient refrigerant amount 5 Insufficient octyl alcohol 10 Refrigerant Cooling water entering temperature is too low contamination 25 Refrigerant blow down is needed Heavy foaming condition in high temperature generat
12. mode ee badha T To select the static mode By pressing the SET key the pulse mode is selected By pressing the SET key the static mode is selected Press the SET key for about 2 seconds L 7 Then press the key 5 To select the negative mode Y To select the positive mode Y t mE Lt Press SET key to select positive mode Press SET key to select negative mode 16 3 4 Cooling operation 3 4 1 Pre operation checks Please check the following items before starting operation Check the setpoint of the chilled water leaving temperature Make sure that the chilled water leaving temperature is set as specified For the indication of the set value please refer to chapter 3 8 Check the steam and steam drain equipment Make a daily inspection refer to chapter 4 Check that the steam valve s is are open Fig 14 Control board E 5 RUN KO CHILLER o ABS PUMP A IIC CD aor
13. pump on off switch Fig 4 2 2 Refrigerant blow down During cooling operation a small quantity of absorbent can mix with the refrigerant This amount can increase over time and result in a reduced cooling capacity Therefore refrigerant blow down must be performed once during the cooling season By doing this the dirty refrigerant is transferred to the absorber side and new clean refrigerant is regenerated Fig 22 Refrigerant blow down valve Make sure the refrigerant pump is rotating and that the solution level is visible through the evaporator sight glass Open the transfer valve completely When the solution level is no longer visible close the transfer valve tightly The above blow down procedure should be repeated a few times as necessary We recommend that you arrange a maintenance contract with your Carrier service agent which will include refrigerant blow down 23 Purge tank B valve V3 Maintenance pressure SV2 gauge SV1 V1 Liquid trap Purge pump 23 4 3 Recommended maintenance main component replacement schedule sueak Mang eoueuejureui uonoedsur oipoueg x Burjoed euij ie13eM e MAF X 199 SJeoK g x 19470 X u
14. water pump and cooling water pump Please follow the start procedure in Figure 1 below Fig 1 Auxiliary equipment start stop sequence Start sequence 1 Chilled 2 Cooling 3 Cooling 4 Absorption water pump water pump tower chiller 5 Air handling unit Stop seguence 1 Absorption 2 Cooling 3 Cooling 4 Chilled chiller water pump tower water pump 5 Air handling unit 1 PRECAUTIONS CONT 1 2 High temperature high voltage caution Do not touch the chiller during operation since its surface becomes hot not touch the absorbent pump the refrigerant pump and the purge pump during operation since their surface becomes hot e Do not touch the junction box during operation since it contains high voltage wiring e Do not touch the terminal box during operation since it contains high voltage wiring 1 3 Environmental requirements 1 3 1 Installation considerations The 16TJ absorption chiller is designed for indoor installation in a machine room The protection rating of the chiller is IP40 Room temperature should be maintained between 5 C and 40 C to protect against solution crystallization during chiller shutdown The humidity in the machine room must be kept below 90 1 3 2 Field wiring The machines should be connected to a power source that complies with overvoltage category IEC 60664 All other wiring s
15. CHART CONT 4 Combustion alarm 16DJ Flame failure spark OK Flame failure occurs at the end of ignition spark Protection relay is defective Pilot burner is not properly adjusted Pilot solenoid valve is defective Flame failure pilot burner ignites Flame failure occurs during main flame trial 5096 Pilot gas regulator is defective Flame detector UV tubes is defective Protection relay is defective Pilot burner is not properly adjusted Main gas regulator is defective Flame detector cannot detect a flame Main gas shut off valve is defective Gas supply pressure fluctuates Flue is clogged Pilot burner is OK 50 Flame failure occurs Protection relay is defective after main flame was for awhile Gas air linkage is not properly adjusted 30 Main gas regulator is defective Gas oil flow meter is locked Flue is clogged Voltage drops Main burner does not Protection relay is defective ignite 70 Check if test opens not Check if gas oil air linkage is loose Main gas shut off valves are defective Flame failure Ignition transformer is defective no spark Microprocessor is defective Position of spark rod is not properly adjusted Insulation of spark rod is defective
16. Carrier 16TJ SANY Single Effect Steam Fired Absorption Chillers Nominal cooling capacity 352 2461 kW 50 Hz Operation and maintenance instructions t GB T 19001 2000 to IS09001 2000 NOTES TO USERS Thank you for purchasing a Carrier Sanyo absorption chiller Read this manual carefully before operating the unit It contains instructions for the operation and maintenance of the chiller Please utilize the chiller to its optimum performance by carrying out the recommended daily maintenance and handling instructions as well as the periodic service If you need any information about maintenance contracts or have any other enquiries please contact your Carrier service agent CONTENTS 1 PRECAUTIONS vig 4 1 5 precautiOs uet rre nr ER EU E ERO Ep o pep dei re rep E pa 4 1 2 High temperature high voltage Canton cin sss ciencia retener teret obe 8 1 3 Environmental requirements iet Gero e ER CAREER DRE FER RUM EURO 8 14 Water treatment 8 2 MACHINE ILLUSTRATIONS rot rrt ERE ined REP a PEE COE a beled ae tet ds ve p te aaa Ld epa kai en EN 8 2 1 Typical chiller detail 8 2 2 Control panel A NE ENG re SERA ANANGING ete dr
17. Earth terminal Control board Purge indication light Purge pump on off switch Operating handle 9 4 Fig 5 Control panel inside type Legend 1 Control relay 2 Circuit protector 3 board 4 Circuit breaker 5 Main circuit breaker 6 Transformer 7 Electromagnetic contactor 8 Filter 9 Transformer 10 Terminal block 10 10 Fig 6 Control board c3 CHILLER ABS PUMP REF PUMP PURGE PUMP STAND BY DILUTION SAFETY CIRCUIT CHILLER ALARM 6 POWER 11 12 13 14 Legend Stop indication light Operation indication light Data display Select key Function set key Back select key Remote local select key with LED Alarm buzzer stop key Operation select key with LED Alarm indication light Stand by indication light Dilution indication light Safety circuit indication light Power indication light REMOTE c BUZZER STOP ocal OPERATION P 10 2 3 Chiller flowcha
18. LL 7 IN temperature blinks Press the Aor W key 75 JIN Press the SET key v o The setpoint change has been made If no key including the BACK key is pressed for 1 minute the display returns to the generator temperature NOTES l Incorrect setting may cause chiller failure If you need to change the setpoint always consult your Carrier service agent 2 Setpoints become effective as soon as they have been changed Be careful when changing setpoints during operation 3 7 Maintenance message If a problem that could affect the efficient operation of the chiller is predicted a warning message is given This includes a comment on the data display as shown in Figure 17 18 Fig 17 Maintenance message Data code Data name Display Means H 01 Operate purge pump Operate purge pump H 03 Clean cooling water tubes 1013 Fouling of cooling water tubes H 04 Check cooling water system AL E Check cooling water pump cooling tower etc H 06 Purge tank high pressure H E Purge tank pressure is high H 07 Cooling water tubes foul A 7 Fouling of cooling water tubes H 08 Cooling water high temperature 51 1418 Cooling water temperature is high H 10 Power failure H I 12 There was power failure while the chiller was operating Legend When this appears immediate action is required When th
19. OP p ERO TOR GENER CORO e EIER ERREUR ENG 9 2 3 Chiller flowchart and component function description sawa a EN Aa AAN ANGEN AAN EE nnen re nretne trennen enne 11 INSTRUCTIONS CHE Pe HE eR EE 12 Bal seltsdiaenostic PUNCH ON A KA A 12 3 2 Description of keys and their functions EM ees ERE HERE HERES eio ERU Sani nai eec as 13 323 Gontrobboard 14 ie eae ohne eere umen tandi nte Tri DRE 16 3 5 Changing the information on the data display sess enne trennen 17 36 Changing display and SetPoint 3 pce BA A ASA GEN NE NGENE D NA IN a GEDER NE GG TEN lay 18 3 7 Maintenance Mes Sa mue 18 3 8 Alarm messages actions required 1 18 4 MAINTENANCE sc a na eet oe d re OP nde etd dee aves 20 Daly 20 4 Periodic maintenance teet a A co e apah 23 4 3 Recommended maintenance and main component replacement schedule essere 24 44 Water treatment on et e etra np po EN DR o nre d EO UE EUR Gn p m E E eda QU
20. ake sure that the RUN indication light goes off and the STOP indication light comes on Remote operation mode e Turn on the stop switch on the field supply remote control panel e Another way to stop the chiller is to press the STOP key on the chiller control board during remote operation NOTE If the chilled water pump cooling water pump and chiller are interlocked each pump stops automatically when the chiller stops If not the stop sequence must be Chiller cooling water pump chilled water pump The air handling unit must be stopped after the chilled water pump is stopped 3 5 Changing the information on the data display 3 5 1 Normal display information The data display on the control board usually shows the generator temperature as follows Fig 15 Control board J M 2 STOP RUN CHILLER v A CO ABS PUMP X 3 REF PUMP D SET BACK 3 PURGEPUMP TO kira p 2 STAND BY Gep DILUTION co 2 BUZZER STOP LOCAL SAFETY CIRCUIT gt OPERATION C CHILLER ALARM STOP RU POWER 3j O Legend 1 Data display 2 Select key changes the data display information 3 Back select key It returns
21. ame manner e Pour the sampled solution into a container Refer to figure 7 6 1 3 Procedure e Confirm that manual purge valves V1 V2 and V3 closed Remove the flare nut and the bonnet of SV1 and connect the attachment to the service valve e Connect the vacuum gauge to SV2 and open SV2 e Remove the flare nut and the bonnet of SV4 when absorbent is sampled and connect the attachment to the sampling service valve e Connect the vacuum rubber hose and the sampling cylinder to the attachment as shown in Figure 27 e Run the purge pump and open up Open SVI and the vacuum valve e Once the vacuum gauge shows about 0 5 kPa close the vacuum valve e Close SVI and VI Remove the vacuum rubber hose from 5 1 and connect it to the attachment connected to SV4 as shown in Figure 26 e Open the vacuum valve e Open SV4 e When the sampling cylinder is filled with absorbent close SVA Close the vacuum valve and remove the vacuum rubber hose from the attachment on SV4 e Upon completion of this work remove the attachment and replace the bonnets and flare nut Also replace the caps of both service valves after checking their packing e Stop the purge pump Finally wash all tools with water 6 2 Concentration measurement method This is the procedure used to measure the absorbent and refrigerant concentration 6 2 1 Equipment to use e Sampling cylinder Gravimeter Scale 1 0
22. authorized personnel should service the chiller Incorrect service could result in electric shock or fire PROHIBITED CAUTION ONLY AUTHORIZED PERSONNEL SHOULD REMOVE OR REPAIR THE CHILLER Any relocation or moving of the chiller should only be done by authorized personnel Incorrect work could result in water leaks electric shock or fire MUST BE OBSERVED ONLY AUTHORIZED PERSONNEL SHOULD DISPOSE OF THE CHILLER To dispose of the chiller contact local specialists Incorrect disposal may result in absorbent leaks and cause metal corrosion or skin disease electric shock or fire MUST BE OBSERVED 1 1 3 Operating precautions Keep the purge valve tightly shut to prevent air from leaking into the chiller which may cause the failure of the chiller Keep the power supply to the control panel turned on unless carrying out maintenance or service During the chiller dilution cycle the chilled water pump both the primary side and the secondary side and air handling unit must be operated for the required time The chiller has some cooling capacity even in the dilution cycle Do not stop the air handling unit before the required time to prevent possible subcooling the electric controller Do not perform an insulation test on the control circuits of Use a Carrier recommended interlock system to stop start the auxiliary equipment The interlock system automatically stops starts the chilled
23. cument carefully and keep it in a safe place e Ifthe chiller fails within the warranty period under normal operating conditions we will replace all necessary spare parts or repair the chiller free of charge e After the warranty period expires all repair costs will be charged Consult your service agent e Forall other items please read your warranty document 31 APPENDIX 1 TROUBLESHOOTING FLOWCHART 1 Chiller does not run 2 Chilled water temperature is high 3 Generator alarm 4 Combustion alarm 16DJ 5 Water alarm 6 Motor alarm v E o 5 7 System alarm NOTE The troubleshooting charts apply to all 16 series absorption chillers and the service engineer should determine if the failure mode is relevant to the specific machine 32 APPENDIX 1 TROUBLESHOOTING FLOWCHART CONT 1 Chiller does not run Blower motor runs 16DJ Gas control valve moves Blower motor Motor moves to fully open but then does not move any more Protection relay is defective Check of the solution level electrode The motor is defective Check if the air flow switch is ON Check setting of air flow switch Check E2 of the solution level electrode Motor moves to fully closed but then does not move any more Protection relay is defective Check of the solution level electrode The moto
24. e DTI Chilled water leaving temperature DT2 Cooling water leaving temperature DT3 Generator temperature DT5 Condenser temperature DT6 Chilled water entering temperature DT7 Cooling water entering temperature DT8 Not used DT9 Not used DT10 Diluted solution temperature at absorber outlet 11 Evaporator refrigerant temperature DT12 Cooling water mid temperature DT13 Steam drain temperature 23CH Temperature controller 69CH Chilled water flow switch PCH Palladium cell heater 69PR Purge tank pressure Fig 7 Flow diagram eee eee 18 te 19 DT2 6 lt 69PR prs Oat v2 7 D7 DT12 01 v3 pri3 69CH 592 DT6 SWI Ase 1 YY 5 8 4 23 2 Legend D1 Diluted solution main damper 1 Purge pump 12 Condenser D7 Steam drain damper 2 B valve manual purge valve 13 Generator SV1 Charge removal service valve N gas 3 Chilled water outlet 14 Evaporator SV2 Purge unit service valve 4 Chilled water inlet 15 Absorber SV3 Refrigerant service valve 5 Purge unit 16 Cooling water inlet Sensor SV4 Diluted s
25. e most on important one is shown with a dot d4 iH 4 Chilled water low temperature The other alarm codes are shown by pressing the A key Bh The high temperature generator 4 5 solution level is too low 3 8 2 Troubleshooting flowchart 3 8 4 Locating and clearing alarm Symptoms Action Fig 21 List of alarm messages and their causes and remedies An alarm occurs Display and content of alarm Alarm of the chilled water and or cooling water system Alarm buzzer sounds and the NAHH Check that the discharge pressure of both chillled indication light of the STOP key blinks Chilled water temperature is too low water and cooling water pumps is normal The alarm message is shown in the data MIT Ei Chilled water flow alarm display gt If not the strainer may be clogged or there may be an air leak in the piping etc Press the BUZZER STOP key on the control board E Is the chilled water setpoint too low 21 110 Y Cooling water temperature is too low gt Correct it to the specified setpoint The alarm buzzer stops ME Cooling water flow alarm option Is the cooling water setpoint too low Check alarm message and solve the problem gt Correct it to specified setpoint e g 28 C Correct the above cause
26. erator temperature lt 5l v L Hir ri Press W or key Press the SET key for about 2 seconds Y L Press W or A key if you need ALUN Press the SET key for about 2 seconds And push key Y To select To select F Y Press the SET key to select mode and again to select the F mode xm 3 3 4 Changing remote signal setting continuous pulse etc After wiring of the remote signal the control board shown below should be set Refer to field wiring diagram Fig 13 Display example Control board setting Remote signal type 7 5 bun altl H 5 fe e Fla S 5 8 Pult HE GEI BEME dt free 5 GE Pa 5 t Uu Generator temperature Press the SET key Zi for about 2 seconds LUN ALIA n Press the W key v 4 t L a Press the SET key for about 2 seconds v Fals Press the W or key L aji Press the W or key 177 Press the SET key for about 2 seconds Then press the key Y To select the pulse
27. f a power failure Flowchart of actions in case of a power failure Power failure occurs The chiller stops completely Power failure Power alarm H 10 returns is shown on the data display Press the RUN key Power failure Operation alarm on the restarts data display disappears 20 Actions to be taken if a power failure occurs If a power failure occurs the chiller stops completely without carrying out a dilution cycle Special attention should be paid to the following Actions required when a power failure occurs Operation condition at power failure Action Occurred during cooling operation and power did not return for over an hour Immediately contact your Carrier service agent Do not restart operation Occurred during cooling operation and power returned in less than an hour Contact Carrier service agent after restarting operation Occurred during purging operation Immediately close the purge valve completely and turn the purge pump switch on the control panel off After the power is restored restart purging and consult your Carrier service agent 4 MAINTENANCE 4 1 Daily maintenance 4 1 1 Inspection of each chiller component If you find an abnormal condition contact your Carrier service agent e Smell of gas or oil leak around the chiller e Abnormal noise at the start of the burner e Abnormal noise o
28. f absorbent pump and refrigerant pump For the following items please consult the system manufacturer e Cleaning of cooling tower and cooling water line strainer Check the condition of the cooling tower e Check for air leaks in the piping 4 1 2 Operation data record Please record the operation data regularly as this is useful for troubleshooting and alarm prevention Show the record to the Carrier service personnel when they visit you for the service or the periodic inspection On the next page you will find a sample of the operation data sheet TEST OPERATION DATA SHEET Trial run data sheet 1 2 Project name chiller model TSA 16TJ Serial number Accepted by Date Reviewed by Date Recorded by Date Unit model serial No Operator Date No Data items Unit Spec DATA 1 DATA 2 DATA 3 Time Time Time 1 Ambient temperature 2 Room temperature 3 Chilled water entering temperature 4 Chilled water leaving temperature C F 5 Chilled water entering pressure kPa psi 6 Chilled water leaving pressure kPa psi 7 Evaporator pressure drop kPa psi 8 Chilled water flow rate l s gpm 9 Cooling water entering temperature C F 10 Cooling water leaving temperature C F 11 Cooling water entering pressure kPa psi 12 Cooling water leaving pressure kPa psi 13 Pressure drop in absorber amp condenser kPa ps
29. f the remaining dissolved salts increases This means that the water quality will gradually deteriorate As the water and air are always in contact with each other in the cooling tower the sulfurous acid gas dust sand etc in the atmosphere will mix with the water further degrading the water quality These factors cause problems in the cooling water system such as corrosion scale and slime Water quality standard The water quality standard is shown in the example in Figure 25 This is an extract from JRA GL 02 1994 NOTES 1 If any item deviates from the standard values it may cause failure due to corrosion or scale Therefore the water quality should be checked periodically 2 The water quality range that can be used after chemical treatment is not given here as the range depends on the chemicals used The appropriate water quality values should be set together with a water processing specialist and be checked periodically Typical water treatment Even if the make up water for the cooling water complies with water standards the water quality will deteriorate due to its concentration Therefore the following water treatment is necessary Depending on the degree of deterioration chilled water also requires this treatment If a concrete heat storage tank is used special attention should be paid to water treatment e Regular manual blow down of the tower sump water e Automatic blow down by measuring electric conducta
30. g water from its discharge port on the cooling water outlet Add anti corrosion inhibitor to the water Check the holding water quantity and decide the inhibitor quantity so that the ratio is appropriate e Charge the chiller with cooling water e Operate the cooling water pump until the inhibitor is evenly mixed Close the cooling water line inlet and outlet isolation valves Dry system Before draining the cooling water from the chiller clean the inside of the tubes and provide a corrosion protection covering Drain the cooling water from its discharge port on the cooling water inlet e Remove the scale and or slime from the tubes with a brush If scale and or slime cannot be removed with a brush use chemical cleaning After sufficient cleaning add anti corrosion inhibitor to the water and circulate the water with the inhibitor for 30 minutes or more The inhibitor concentration should be even e Drain the water from the discharge port on the cooling water inlet e Keep the discharge port open during shut down Chilled water The usual system is a wet system with the chilled water kept in the chiller 4 4 3 Winter season If the ambient temperature of the chiller is likely to be below 0 in winter freeze protection is necessary Consult your Carrier service agent for the details 5 TROUBLESHOOTING For identifying and eliminating the causes of machine failure please refer to the following chapters
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32. hould comply with overvoltage category Il 1 3 3 Altitude Please install the absorption chiller at a maximum height of 1000 m above sea level If the location is higher than 1000 m above sea level please contact your local Carrier office 1 4 Water treatment Refer to chapter 4 Maintenance 2 MACHINE ILLUSTRATIONS 2 1 Typical chiller detail Fig 2 Water header side Legend Condenser Cooling water outlet Chilled water flow switch Chilled water outlet Evaporator Chilled water inlet Cooling water inlet Purge pump Steam inlet 10 Generator pressure switch 11 Generator 12 Absorber Fig Control panel side 2 AD in sili Legend Drain outlet Rupture disk Control panel 2 2 Typical control panel Fig 4 Control panel CE type _ 1 gi 2 g 3 quen 4 Iu sessi LR 5 Legend Fan Terminal block Terminal block Terminal block for power supply
33. i 14 Cooling water flow rate l s gpm 15 Steam consumption kg h Ib h 16 Supply steam pressure kPa psi 17 Supply steam temperature C F 18 Generator temperature C F 19 Evaporator solution level n 60 mm n 2 3 8 20 Purge tank pressure kPa 21 TEST OPERATION DATA SHEET cont Trial run data sheet Project name chiller model TSA 16TJ 2 2 Serial number Accepted by Date Reviewed by Date Recorded by Date Unit model serial No Operator Date No Data items Unit Spec DATA 1 DATA 2 DATA 3 Time Time Time Concentration of concentrated solution 96 21 Relative density of concentrated solution Temperature of concentrated solution Concentration of diluted solution To 22 Relative density of diluted solution Temperature of diluted solution Concentration of refrigerant 23 Relative density of refrigerant Temperature of refrigerant C F 24 Condensed refrigerant temperature 25 LTD See below 26 Absorbent 27 Refrigerant pump current A 28 Purge pump current A LTD Condensed refrigerant temperature minus cooling water leaving temperature Notes 22 4 2 Periodic To optimize performance the chiller requires purging refrigerant blow down absorbent control and manageme
34. iBeuudeiq SIRA Atang obemea diponad X ssej6 14615 SJeulo uondo e 9 x x x 401283u00 ojeufeui o4129 3 f esseoeu sy 1 9 eouejureui e uonoedsur 21 x Josues eunjeJeduue f esseoeu sy ui oipoueg x YOUMS MOJA 10 10 919 995 e MJ Ajayes jo X U91IMS 91 55924 Auessaoeu sy jueujeoej dei oipoueg Meg A sy abing sy X JO 00002 lemau uonoedsu sy X jusquosqy uonnjossip uonnjossip Jouqiuu Je 05 9 5 eui eq seuin INO OML uonoadsul uiopueJ uonnjos sisAjeue X jusquosqy uonnjos Jeak e oja uonoedsul ensiA aul x Jo1eJeuet uoiseupe euis Jo pue ejeos uoiseJ
35. il is defective Primary power failure Measure Motor insulation Magnetic contactor with thermal relay resistance 30 Pump power wires Check the setting of thermal relay 10 Blower motor 16DJ 40 Measure Overcurrent Blower motor is defective operating 90 current 60 Open phase Magnetic contactor is defective 10 Pump motor coil is defective Primary power failure Measure Motor insulation Magnetic contactor with thermal relay resistance 30 Pump power wires Check the setting of thermal relay 10 APPENDIX 1 TROUBLESHOOTING FLOWCHART CONT 7 System alarm Check if chilled water pump interlock signal goes to the microprocessor Check if cooling water pump interlock signal goes to the microprocessor Check if fan interlock signal goes to the microprocessor 16 DJ 41 GB T 24001 to 15014001 1996 Carrie Carrier Order No 11620 76 03 2006 Supersedes order No New Manufactured by Sanyo Electric Co Ltd Dalian China Manufacturer reserves the right to change any product specifications without notice Printed in the Netherlands on totally chlorine free paper
36. int of intersection of the lines projected from these values will be 6346 as shown in Figure 27 below Fig 27 1 77 64 63 amp 2 5 62 5 E 5 5 E 8 0 45 Temperature 29 30 Relative density kg m x 10 Fig 28 Concentration vs temperature vs relative density 1 85 1 70 ia aL LE MAL tuer unc Mine HN 6096 p Ncc ape AN ELLE s II ee ER 5596 1 40 20 30 40 50 60 Temperature C 70 100 4596 Concentration Yo 7 enjoy safe efficient operation of the chiller for along time daily maintenance and periodic inspection are essential The main items are as follows Verification of the function of safety devices and their adjustment e Checking the operating conditions and recording the data These procedures require special tools and a special skills We offer an annual maintenance contract to users of the chiller Under the contract we provide trained service personnel that will perform the periodic diagnosis and adjustment of the chiller using the latest technology Consult your Carrier service agent for details 7 1 Annual maintenance contract We offer an annual maintenance co
37. is appears no immediate action is required but as this might lead to a higher code attention should be paid Consult Carrier service personnel at the next periodic maintenance NOTE These displays disappear when the problem has been corrected Fig 18 Maintenance message descriptions and actions required Maintenance message Display Action 1 Cooling water tubes H IE Cooling water tubes must be cleaned foul H 1213 Contact Carrier service agent to do the job 2 Vacuum rate The tank must be purged immediately H 14 1 If this message is shown frequently contact your Carrier service agent 3 Cooling water high temperature Check the cooling water pump cooling tower etc 55 Scl ma 4 Power failure See section 3 8 5 3 8 Alarm messages and actions required 3 8 1 How they are shown When an alarm is detected the alarm buzzer sounds and the alarm message is shown on the data display At the same time the indication light of the STOP key blinks The chiller stops for safety reasons after the dilution cycle Depending on the alarm message it may also stop without carrying out the dilution cycle Fig 19 Display example va Chilled water low temperature 4 4 Lg An alarm code is only shown when one or several abnormalities occur If several errors have occurred th
38. key n Y Press W key _ 5 2 temperature 3 3 2 backup Refer to Figure 11 SW3 Connect a backup battery which is used to maintain the time setting when a power failure occurs Turn it ON after installing the equipment CR 2025 is used as the backup battery and has an accumulative operating period of about six months NOTES 1 SW3 battery backup is set to OFF at the factory to avoid using battery power 2 If SW3 battery backup is set to OFF when a power failure occurs F 21 CPU alarm or F 23 Time set alarm is displayed Please reset the time setting 3 If SW3 battery backup is set to ON and F 21 or 23 is displayed it is necessary to replace the battery 14 Fig 11 SW3 backup switch and backup battery ER RR BARRA RR TU Up nul LM qu zt kokoro tonon y vhs s TEENS i manang gambang 8 uni o S Lat f LJ 1 eX ae fails 32 BABA p j A 3 3 3 How to change the temperature unit The temperature unit can be changed as follows even while the chiller is operating Fig 12 Display example Press the SET key for about 2 seconds Gen
39. lem Pd cell heater is defective 60 Pd cell is defective Air leakage 30 Purging is inadequate 10 Cooling water problem Flow rate is inadequate 30 Cooling water pump control malfunctions Strainer is clogged Insufficient feed water Air in cooling water line Cooling water Ambient temperature and or humidity are too high pump is too high Cooling water control valve malfunctions 50 Cooling tower water spray malfunctions Cooling tower fan malfunctions Cooling tower fan belt is broken Cooling water temperature control thermostat malfunctions 20 Partition plate in water box is removed Absorber and condenser tubes are fouled Absorbent flow problem Absorbent flow rate is inadequate 75 Wrong setting Wrong adjustment Check valve malfunctions Wrong damper adjustment Heat exchanger s tubes are damaged Heat exchanger s is are clogged Orifice in pipe betw LT generator condenser is clogged 16DJ NK Refrigerant is contaminated by absorbent 24 Cooling water temperature is too low Refrigerant blow down is inadequate Heavy absorbent foaming condition in HT generator because there is foreign material in the absorbent 16DJ NK LT generator tubes are damaged 16DJ NK 1
40. ller If the CHILLER ALARM continues contact your Carrier service agent 3 8 3 Alarm message and setpoint Generator alarm Al 1413 Check that the cooling water pump is rotating Generator temperature is too high gt Start the pump Fig 20 List of alarms and setpoints sun LS UNSERE E 3 md 3 in cooling operation Generator pressure is too high Check that the cooling water pump discharge pressure is normal gt If not the strainer may be clogged or there may Purpose Display Alarm message Setpoint be an air leak in the piping etc Protection of 1 121 1 Chilled water temperature is too low 2 5 C or below chilled water 1 1212 Chilled water pump interlock alarm JL system WEE Chilled water flow alarm 50 or below High concentration of absorbent ee ae Jl lel Cooling water temperature is too low Below monitoring e CADO temp for 30 mins following and contact your Carrier service agent Prevention of 7 B Cooling water pump interlock alarm Eie li guida ba Crystallisation 71 17 Cooling water flow alarm option 5096 or below ure 1 14 G tor t ture is too high 105 C temperature ood sthe chilled water setpoint too low Correct it to the specified setpoint Generator J 114 Generator is to
41. mney and oil tank to prevent fire PROHIBITED SOLVE ALL PROBLEMS BEFORE RESTARTING THE CHILLER Solve all problems before restarting the chiller after a safety or security device is activated to prevent fire MUST BE OBSERVED DO NOT OPERATE THE CHILLER IF THERE IS A SMELL OF GAS Do not operate the chiller if there is a smell of gas Do not turn on off any switch as this could cause a fire PROHIBITED DO NOT PLACE HEAVY OBJECTS ON THE CHILLER OR CONTROL PANEL Do not place heavy objects on the chiller or control panel as these may fall off and cause injuries PROHIBITED DO NOT TOUCH ROTATING PARTS OF FANS Keep away from rotating part of fans or pumps to avoid possible injury PROHIBITED DO NOT CLIMB ON THE CHILLER Do not climb on the chiller as you may fall off PROHIBITED CALL SPECIALISTS FOR SERVICE OR MAINTENANCE Call specialists for service or maintenance Incorrect service maintenance may cause electric shocks fire or burns MUST BE OBSERVED AUTHORIZED PERSONNEL ONLY A notice For Authorized Personnel Only must be affixed to the chiller to stop unauthorized personnel from touching it If necessary surround the chiller by a protective fence Misuse of the chiller may cause injury PROHIBITED 1 PRECAUTIONS CONT CAUTIONS DO NOT POUR WATER ON THE CHILLER OR CONTROL PANEL Do not pour water on the chiller or c
42. nce e Addition of the anti corrosion inhibitor e Slime control e Periodic water analysis Service the water header periodically check the heat transfer tube and clean it as necessary Fig 24 Example of the effect of tube fouling 1 bee 1 af 2 71 125 g c Een a 1 2 120 B amp S S 115 E E A i 8 110 5 1 105 9 c 100 1 1 5 5 T 3 zx 2 4 100 2 E 1 S 3 90 amp B oL ous 4 80 5 d 1 Bil 70 1 t T eem EI TRI 60 E 1 2 3 4 5 6 8 9 10 Fouling factor m h C kcal x 10 2 3 4 5 6 8 Fouling factor m K kW x 1074 02 0 4 06 08 10 12 Scale slime mm For example if 0 6 mm of scale clings to the tubes the cooling capacity drops to 76 the chilled water temperature rises by 2 C and fuel consumption rises by 23 A Increase in fuel consumption for constant cooling capacity ratio at rated fuel consumption B Decrease in cooling capacity for constant chilled water temperature C Increase in chilled water temperature for constant cooling capacity 25 ejeos pue uoisoJJ00 JO 510406 201 4 e oqe SWE GL 941 pepnjoxe eus 21e peueyjos peuureoe1 pue eoJnos se pesn ad eus punoJB pue AND
43. not work properly Wrong operating order Holding water quantity in the chiller is too low Entering cooling water temperature too low 20 Ambient temperature is too low Cooling water temp control malfunctions Leaving hot water temperature too low 10 Temperature control function does not work properly Wrong operating order Holding water quantity in the chiller is too low Flow rate 60 Check chilled water flow switch Air in water system Strainer in water system is clogged Valves in water system opened properly 39 APPENDIX 1 TROUBLESHOOTING FLOWCHART CONT 6 Motor alarm Absorbent Measure Overcurrent Crystallization or foreign material pump operating 9096 in the pump current 60 Pump motor is defective Open phase Magnetic contactor is defective 10 Pump motor coil is defective Primary power failure Measure Motor insulation Magnetic contactor with thermal relay resistance 30 Pump power wires Check the setting of thermal relay 10 Refrigerant Measure Overcurrent Foreign material in the pump pump operating 90 Pump motor is defective current 60 Open phase Magnetic contactor is defective 10 Pump motor co
44. nt of combustion equipment 16DJ etc We recommend that you arrange a maintenance contract with your Carrier service agent 4 2 1 Purging Fig 23 Non condensable gas inside the machine not only decreases cooling capacity but also potentially shortens the life of the machine Therefore purging must be done periodically This should be done by the Carrier service personnel under the maintenance contract If customers carry out the purging themselves they should take instruction from our service personnel Purge procedure When the purge indication light on the control panel comes on start purging following the instructions below 1 Turn on the purge pump on off switch on the control panel and operate the purge pump for 10 minutes 2 Open V1 and V2 3 Press the A key on the control board once to show data code 17 Purge tank pressure refer to chapter 3 5 3 and check if the indicated value drops If it does not drop follow the procedure described in steps 5 6 and 7 below and contact your Carrier service agent 4 Purge for 10 minutes Even if the purge indication light goes off before 10 minutes have elapsed continue purging for the full 10 minutes If the light does not go off continue purging until it does 5 Close V1 and V2 Turn off the purge pump on off switch 7 Check whether the valves are open closed o VI Closed V2 Closed V3 Closed B valve Open Purge indication light green Purge
45. ntract to our customers with periodic inspection and maintenance of the Carrier absorption chiller Under this contract your Carrier service agent will perform maintenance inspection and adjustment works to keep your chiller in its optimal condition and you will be given priority for chiller repairs in case there is a problem It is recommended to perform a complete chiller overhaul every few years to keep it in its optimal condition Under the maintenance contract we advise our customers of the timing and the parts to be overhauled There is an additional contract for water quality control and cleaning of the heat transfer tubes in the water system We recommend that you also take out this contract 7 2 Inspection report We issue an inspection report for the annual maintenance under the contract The report contains a thorough description of the inspection adjustment items and ensures that Carrier service personnel will not overlook any of the inspection items At the time of inspection the Carrier service personnel will fill in the report leave one copy with the customer and take one copy back to the office to be available for future maintenance works We will not re issue this report so please be sure to keep it in a safe place Show it to the Carrier service technicians when they visit you 7 8 Warranty e Your Carrier service agent will fill in the warranty and leave it with you Please check the warranty period read the do
46. o high 0 MPa or above Water n E abd tubes may be fouled protection especially cooling water WEH High concentration of absorbent 6596 above Motor 1 1214 Absorbent pump overload alarm Rated current protection AT Ag Refrigerant pump overload alarm value or above Al Purge pump overload alarm 19 Sensor alarm Is the sensor short circuited Entering chilled water temperature gt Check all chiller sensors and contact your sensor alarm Carrier service agent F pe Entering cooling water temperature sensor alarm NOTE The chiller automatically stops for safety reasons when either the generator temperature Leaving cooling water temperature Cooling water intermediate temperature sensor alarm or the chilled water temperature us 6 sensor alarm sensor has an alarm It does not 7 stop when other sensors have an alarm but this could cause control failure Please contact your Carrier service agent as soon as possible Steam drain temerature sensor alarm FEAE Refrigerant temperature sensor alarm evaporator Diluted solution temperature sensor alarm absorber outlet F z5 Leaving chilled water temperature sensor alarm Generator temperature sensor alarm Fl Purge tank pressure sensor alarm 3 8 5 Action in case o
47. olution service valve 6 Cooling water outlet 17 Heat exchanger Service valve SV6 Concentrated solution service valve 7 Purge tank 18 Steam control valve Damper SV7 Generator pressure gauge service valve 8 Refrigerant pump 19 Steam inlet MN Check valve V1 Manual purge valve 9 Refrigerant blow down valve 20 Steam drain reclaimer Valve V2 Manual purge valve 10 Absorption pump 21 Steam drain outlet V3 Manual purge valve 11 Rupture disk 11 3 OPERATING INSTRUCTIONS 3 1 Self diagnostic function The self diagnostic function starts when the breaker inside the control panel of the chiller is turned on After self diagnosis is completed the data display on the control board shows the following information Data display 7 segment LED and all LEDs light up e If there is no abnormality the data display shows the version number If there is a power failure H 10 is displayed after the power is restored Fig 8 Control panel AC 81207514 LL NOTE The version number differs with each chiller type data display shows the generator temperature FUEL 0095 1 If the self diagnosis function detects error this will be shown on the data display For the alarm indication please refer to chapter 3 8 12 3 2 Description of keys and their functions Fig 9 Typical control board 6
48. ontrol panel to avoid electric shock PROHIBITED USE THE CORRECT POWER SUPPLY This is indicated on the chiller name plate Use of an incorrect power supply may cause fire or electric shock PROHIBITED What voltage NEVER CHANGE THE SET VALUES Never change the set values of the safety and or protective devices Wrong settings may damage the chiller or cause fire PROHIBITED STOP THE OPERATION WHEN COMBUSTION SMOKE IS BLACK Stop the operation when combustion smoke is black and call a service engineer MUST BE OBSERVED DO NOT TOUCH THE ABSORBENT Do not touch the spare or leaked absorbent as this can cause metal corrosion or skin disease PROHIBITED OBSERVE THE SPECIFIED WATER AND STEAM PRESSURE The specified chilled water steam and cooling water pressure must be strictly observed Incorrect pressure may cause the water to leak spray which can lead to short circuits or burns MUST BE OBSERVED DO NOT TOUCH HIGH TEMPERATURE AREAS Do not touch high temperature areas as they may cause burns These areas are indicated by caution label PROHIBITED STOP THE PURGE PUMP TO REPLACE OIL Stop the purge pump when replacing oil to avoid possible injury by fuel spillage MUST BE OBSERVED 1 PRECAUTIONS CONT 1 1 2 Safety precautions for repair moving or disposal WARNINGS ONLY AUTHORIZED PERSONNEL SHOULD SERVICE THE CHILLER Only
49. or due to absorbent contamination with foreign material APPENDIX 1 TROUBLESHOOTING FLOWCHART CONT Chilled water temp is high No 1 absorbent Solution flow rate is not adjusted properly Crystallization 7 pump cavitation Cooling water entering temperture fluctuates strongly 25 Vacuum condition in the chiller is poor Insufficient absorbent solution Insufficient octyl alcohol Ambient temperature is too low 5 Cooling water entering temperature is too low with insufficient air purging 70 Combustion Gas oil flow rate Rank up set too low problem 16DJ is insufficient Air gas oil linkage has shifted to low combustion Gas supply pressure fluctuates Chilled water set too high Temperature sensor is defective Microprocessor is defective Electrical Parts setting Electric parts and sensors are defective problem Wrong setting on microprocessor and inverter 20 Wrong position of select switches Solution level electrode malfunctions 80 Electrode surface is contaminated Electrode is defective Teflon tube on electrode has been removed 35 APPENDIX 1 TROUBLESHOOTING FLOWCHART CONT 3 Generator alarm 36 Vacuum Hydrogen gas is Insufficient inhibitor generated prob
50. ours 2 TAA 1111 hours 3 2 absorbent pump operating hours IE pi Not used 4 Combustion hours q pi Not used 5 Refrigerant pump operating hours Sr TANGI 1201 hours 6 Purge pump operating hours E 107 hours 7 Chiller on off times 1213 123 times 8 Absorbent on off times 71519 169 times 9 2 absorbent pump on off times 9 Hi Not used A Combustion on off times A Hi Not used B Refrigerant pump on off times 138 138 times C Purge pump on off times Z SLA 51 times 10 Chilled water temperature setpoint 1172 7 0 C 112 Hot water temperature setpoint 15151 Not used 12 Chilled water temperature NATA 11 9 C 13 Chilled water leaving temperature TL 11518 6 8 C 14 Cooling water entering temperature Tar 11 18 31 8 C 15 Condenser temperature I 34 7 C 16 Steam drain exhaust gas temperature 17 211 7 0 17 Purge tank pressure 1 1815 8 5 1215101 135 0 Hot water reference is not applicable to 16TJ units 17 3 6 Changing display Setpoint display change Select the current setpoint temperature and change it as follows To change the chilled water temperature I gi 7 0 C Press the SET key for about 2 seconds 7071 A number showing the setpoint
51. qe Aq ejeu f esseoeu sy Meya eqni JejsueA eui jo uOISOMOD X eqni jeBueuoxe H uonoedsul uoiseupe Jo pue eoeuns dea 1uauno App3 egni JeJsueA jo UOISOMOD x eoeyuns Alesseoeu sy uonoedsul jensiA qn BY JO UDISOUOD x sedid uoiseupe uonoedsul euis 1 e eos eqni Je ensi edoosopue 1sei 1ueuno pp3 eu JO eoeyns euaejul jo uorso402 x eoeyuns t ou ejpung eu uonoedsur 5 sy uomnoedsul jensiA eqni Jajsues y jo UDISOUOD X sedid eui leus o o Bale 5 PON w UON 5 Sy1euloH uonoedsu uonoedsur ealy edAL N 4 4 Water treatment Water treatment is very important for the chiller As this requires specialised technical knowledge please consult your Carrier service agent 4 4 1 Water treatment for chilled water and cooling water The cooling water temperature in an open type recycling cooling tower is decreased using vaporized latent heat and the cooling water is reused At this time the water is evaporated and the concentration o
52. r 5 defective Check if the air flow switch is ON Check setting of air flow switch Check E3 of the solution level electrode Gas control valve does not move Protection relay is defective Check E1 E2 and E3 of the solution level electrodes The motor is defective Oil solenoid valve does not open Protection relay is defective The solenoid valve is defective Check if the air flow switch is ON Check setting of air flow switch Check breaker on the burner control panel does not run If solution level alarm exists at start up the blower does not run 16DJ Air flow contact is welded Check if the motor is in fully closed position The motor may stop in the half way position after a power failure Protection relay is defective Interlock Check if chilled water pump interlock signal goes to the microprocessor Check if cooling water pump interlock signal goes to the microprocessor Check if fan interlock signal goes to the microprocessor 16DJ Fuse has blown 33 APPENDIX 1 TROUBLESHOOTING FLOWCHART CONT 2 Chilled water temperature is high Vacuum problem Chilled water problem Cooling water problem Solution problem 34 Generating Insufficient inhibitor hydrogen gas Pd cell is
53. rt function description Evaporator The refrigerant is dispersed on the heat transfer tubes of the evaporator Chilled water running through the heat transfer tubes of evaporator is cooled by the latent heat of vaporized refrigerant Absorber The concentrated solution is dispersed on the heat transfer tubes of absorber The refrigerant vapour from the evaporator is absorbed on the heat transfer tubes of the absorber by the concentrated solution Cooling water running through the heat transfer tubes of the absorber is heated by the absorption heat Heat exchanger After leaving the absorber section the diluted solution passes through the heat exchanger where it is heated by the concen trated solution The concentrated solution is cooled by the diluted solution Due to the lower temperature this cooling process of the concentrated solution allows for greater absorbing power Generator The steam passes through the heat transfer tubes of the generator The diluted solution in the generator is heated by the steam It releases the refrigerant vapour and is concentrated to become a concentrated solution Condenser The refrigerant vapour from the generator is condensed on the heat transfer tubes of the condenser Cooling water from the absorber is heated by condensation heat Purge unit The purge unit collects the non condensable gas in the chiller and stores it in the purge tank Sensors Symbol Nam
54. s and restart the chiller If the CHILLER ALARM continues check the following and contact your Carrier service agent Entering and leaving chilled water temperature Entering and leaving cooling water temperature y e Generator temperature and pressure The indication light of the STOP key stops blinking and remains lit The alarm code on the data display disappears Press the STOP key on the control board after the troubleshooting is completed Alarm of the motor s 74 J UIS First check that the reset button s of the NOTE If the data display still shows an alarm 998 9491988 is not pushed in and hen contact your after the STOP key has been pressed sere Carrier service agent ensure that the alarm cause has definitely Refrigerant pump overload alarm sea been removed g TATA 14 1 t Alarm of the auxiliary equipment Reset buttons Fa Chilled water interlock alarm Check that the chilled water pump and cooling A water pump are rotating Start operation 1 8 Start the pumps Cooling water pump interlock alarm Check the fan and or other equipment connected to the system interlock Operation restarts Correct the above causes and restart the chi
55. to the generator temperature display when no key is pressed for 1 minute 3 52 Changing the display Refer to Figure 15 If you press the A key the information on data display changes in the correct order and pressing the W key it changes in reverse order If you press the A key again when the last information is shown the display returns to the normal display information 3 5 3 Typical display order Real time data is shown in the data display 7 segment LED and 6 figures The display shows a data code content distinction by code number and various operating times on off time component temperatures chilled water temperature setpoints and alarm codes data code is sent in turn from the AW keys and displayed An alarm code is only shown when one or several abnormalities occur The alarm code is shown in order of importance and a dotted is shown under the number to the right of the alarm code When several faults occur use the AW keys to display the additional alarm codes If no key including the BACK key is pressed for 1 minute the display returns to the generator temperature display Fig 16 Typical display order Data code Data name Display Means Generator temperature 131515 135 07C 1 Chiller operating hours 1234 hours 2 Absorbent pump operating h
56. trol circuit On when power is supplied to the control circuit To change the menu and set a new value To stop the alarm buzzer 13 3 3 Control board settings Fig 10 Display example cont 3 3 1 Time setting Refer to Figure 10 TT Ti e Press A key to set day Fig 10 Display example t cu i 5 ya Generator temperature Ivi L 1X 2A L Pressthe SET key for about 2 seconds 77 ric Li 5 1101 Press the SET key for about 2 seconds v t rin Press W key dE 5 t L Press r t HH 4 ti Press the SET key for about 2 seconds t nin 5 E t Press the SET key for about 2 seconds v HM G L Press the SET key for about 2 seconds v je e i g _ ti ti Press key to set the hour vill 4 Press W or key Hn v I Le a Ut Press W key vill 2177 7712 Press the SET key for about 2 seconds Lyi cn Press A key to set the minutes Lu u t t t Press key lw UC Press the SET key for about 2 seconds LLL ele Y 4L Press the SET key for about 2 seconds Y ae 5 LI t n t Press the BACK key n H g Press A key to set the month t amp 5 Lu Press the BACK
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