Carrier 16LJ-A 11 Скачать руководство пользователя страница 15 | Manualshive

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3-3

3-2. TYPICAL CONTROL PANEL

3-2-1 UL type

3-2-2 CE type

Note: The positions or quantity of parts differ according to the model and options.

!! CAUTION !!

Do not push the emergency stop button except in emergency.
Otherwise the chiller/heater may be damaged.

Fan, Filter

Terminal block

Terminal block

Terminal block for

power supply

Ground terminal

Fan, Filter

Terminal block

Terminal block

Terminal block for

power supply

Ground terminal

Purge indication lamp

Purge pump on-off switch

Operation board

Operating handle

Main circuit breaker

Operation board

Purge indication lamp

Purge pump on-off switch

Emergency stop button

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Содержание 16LJ-A 11

Страница 1: ...OPERATION MANUAL Absorption Chiller 16LJ A Series Original language 814 6 0510 258 00 0 ...

Страница 2: ...ent of Declaration of conformity Statement for Equipment for witch Compliance with the Protection Requirements is not ensured in Residential Areas EMC Directive 2004 108 EC clause 9 4 This product must not be used in residential areas This product may cause interference if used in residential areas Such use must be avoided unless the user takes special measures to reduce electromagnetic emissions ...

Страница 3: ...LLER AND FUNCTION OF EACH SECTION 3 4 4 OPERATING INSTRUCTIONS 4 1 TURN ON THE MAIN CIRCUIT BREAKER 4 1 4 2 DESCRIPTION OF KEYS AND THEIR FUNCTIONS 4 2 4 3 OPERATION 4 3 4 4 HOW TO CHANGE THE INDICATION ON DATA DISPLAY 4 6 4 5 HOW TO CHANGE THE INDICATION AND THE SETTING POINT 4 8 4 6 MAINTENANCE MESSAGE 4 9 4 7 ALARM INDICATIONS AND ACTIONS TO BE TAKEN 4 10 5 MAINTENANCE 5 1 DAILY INSPECTION 5 1 ...

Страница 4: ...this instruction may result in impediment or damage to the product or the property Symbol conventions Refer to advice that denotes caution Refer to something that is prohibited Refer to advice that must be observed STOP OPERATION IN CASE OF FIRE EARTHQUAKE OR POSSIBLE THUNDERBOLT Stop the operation in case of a fire earthquake or when there is likely to be a thunderbolt to prevent a fire or electr...

Страница 5: ...E Call specialists for service or maintenance Wrong service maintenance may cause electric shock a fire or burn NEVER CHANGE THE SET VALUE Never change the set value of the safety and or protective devices Wrong setting may damage the chiller or cause a fire ONLY AUTHORIZED PERSONNEL SHOULD REMOVE OR REPAIR THE CHILLER Any relocation or moving of the chiller should be done by authorized personnel ...

Страница 6: ...AFTER CHILLER STOPS COMPLETELY There is a possibility of chilled water freezing by the remaining cooling capacity WIRE EACH INTERLOCK Be sure to wire the interlock for chilled water pump cooling water pump and ventilation fun Prohibited Must be observed ...

Страница 7: ... of chilled water hot water and cooling water must strictly be observed Incorrect pressure may cause spout or leak which may cause a short circuit or burn DO NOT TOUCH THE HIGH TEMPERATURE AREAS Do not touch the high temperature areas These areas are indicated by caution label Please avoid touching on such areas to prevent burn STOP THE PURGE PUMP TO REPLACE OIL Stop the purge pump when replacing ...

Страница 8: ...d above 24o C 75 2o F for a process setting machine During the start up process however a lower temperature is allowable until the operating condition becomes normal If the chiller operates during intermediate season or in winter provide an automatic three way control valve to the bypass piping of cooling tower When the chiller operates during intermediate season or in winter there is a possibilit...

Страница 9: ...pump at the same time for preventing chilled water freezing 2 2 PRECAUTIONS AFTER THE CHILLER SHUTDOWN Don t cut the power supply during the chiller is stopping The chiller is watching vacuum level all the time The chiller has a battery to maintain operating time and date during power failure If power failure continues for a long time there is a possibility that the battery runs down CAUTION Do no...

Страница 10: ...on off signal and cooling water pump on off signal and hot water pump on off signal as standard equipment system 3 The chiller also includes cooling tower fan on off signal as standard Operation signal ON OFF Absorption chiller Chiller stop 1 hour after chiller stop Chiller RUN STOP Cooling tower fan on off signal ON OFF Cooling water flow switch option ON OFF Cooling water pump on off signal ON O...

Страница 11: ...ir handling units after completing the step 16 18 In 4 to 9 minutes after the step 16 the chiller completes the dilution cycle and stops operation entirely 19 Period of the dilution cycle is 6 minutes at shortest and 15 minutes at longest in cooling mode 20 If the ON signal of cooling water pump on off signal comes to the chiller during the period between the stopping of chilled water pump and the...

Страница 12: ...se the purge valve completely and turn off the purge pump switch on the control panel After power returns restart purging and contact Carrier service agent 2 5 NOISE DATA Model 16LJ A 11 12 13 14 21 22 23 24 31 32 41 42 Noise dB A 81 5 81 5 81 5 81 5 78 0 78 0 81 7 81 7 78 0 78 0 79 0 79 0 Model 16LJ A 51 52 53 61 62 63 71 72 73 81 82 Noise dB A 81 0 81 0 81 0 81 0 81 0 81 0 81 0 81 0 81 0 81 0 81...

Страница 13: ...R HEADER SIDE CONTROL PANEL SIDE Note The positions or quantity of parts differ according to the model and options Chilled water flow switch Chilled water outlet Control panel Purge unit Rupture disk Cooling water inlet Chilled water inlet Heat exchanger ...

Страница 14: ...positions or quantity of parts differ according to the model and options Purge pump Generator Condenser Hot water outlet Evaporator Absorber Refrigerant pump Absorbent pump No 1 Hot water inlet Cooling water outlet Refrigerant blow valve Absorbent pump No 2 ...

Страница 15: ...Otherwise the chiller heater may be damaged Fan Filter Terminal block Terminal block Terminal block for power supply Ground terminal Fan Filter Terminal block Terminal block Terminal block for power supply Ground terminal Purge indication lamp Purge pump on off switch Operation board Operating handle Main circuit breaker Operation board Purge indication lamp Purge pump on off switch Emergency stop...

Страница 16: ...f the concentrated solution allows for greater absorbing power due to its lower temperature d GENERATOR The diluted solution from the heat exchangers is heated in the generator It releases refrigerant vapor and concentrated solution by the condensation e CONDENSER The refrigerant vapor from the generator is condensed on the heat transfer tubes of condenser Cooling water from the absorber is heated...

Страница 17: ...ature DT5 Condenser temperature DT6 Chilled water inlet temperature DT7 Cooling water inlet temperature DT10 Diluted solution temperature at Absorber outlet DT11 Refrigerant temperature at Evaporator DT12 Cooling water mid temperature DT15 Driving hot water inlet temperature DT16 Driving hot water outlet temperature 69CH Chilled water flow switch PCH Palladium cell heater 69PR Purge tank pressure ...

Страница 18: ...egment LED and all LEDs light up 2 The data display shows a version number of the microprocessor when there is noabnormality If there was a power failure H 10 is displayed with the restration of power NOTE The version number differs according to the chiller 3 The data display shows the generator temperature 120 4 If the self diagnostic function detects any failure it will be shown the alarm code o...

Страница 19: ...t the alarm 6 Data display 7 segment LED It shows temperature set value etc 7 Stand by indication lamp It lights up by pressing the run key and goes out when the chiller starts operation 8 Dilution indication lamp It lights during a dilution operation 9 Safety circuit indication lamp It lights up when the control circuit is energized 10 Power indication lamp It light up when the power is supplied ...

Страница 20: ...er outlet temperature is set as specified As for the indication of set value please refer to Section 4 5 2 Check of the hot water line a Make a daily inspection Refer to Section 5 b Check that the valve s is open NOTE The chilled water pump and the cooling water pump should be operated by on off signal from the chiller If the chiller starts these equipments also will start automatically 4 3 ...

Страница 21: ...matic operation starts Local key Run key 2 Remote operation mode a Confirm the REMOTE indication lamp of the key lights Remote key b Turn on the start switch on the remote control panel of field supply c Automatic operation starts NOTE In the local operation mode a signal from the remote control panel is not effective In the remote operation mode RUN key on the operation board of the Chiller does ...

Страница 22: ... a Turn on the stop switch on the remote control panel of field supply b Another way to stop the Chiller is to press STOP key on the operation board during a remote operation NOTE The chilled water pump and the cooling water pump should be operated by on off signal from the chiller If the chiller starts these equipments also will start automatically Air handling unit must be stopped after the chil...

Страница 23: ...ay It returns to the genarator temperature indication when there is no key operation for 1 minute 4 4 2 How to change the indication If you press key the indication on data display changes in ascending order and by pressing key it changes in descending order If you press key again when you get to the last indication it returns to the regular indication Select key Back select key 4 6 ...

Страница 24: ...mp operation hours 1111hours 3 2 absorbent pump operation hours 1230hours 4 not used 5 not used 6 Refrigerant pump operation hours 1201hours 7 Purge pump operation hours 107hours 8 not used 9 Combustion hours not used A Chiller on off times 123times B 1 absorbent pump on off times 169times C 2 absorbent pump on off times 123times D not used E not used F Refrigerant pump on off times 138times G Pur...

Страница 25: ...erature of chilled water setting 7 0 Press the SET key for about 2 seconds A numeral that shows setting point temperature blinks Press or key 7 5 Press the SET key Setting is changed When there is no key operation for 1 minute or BACK key is pressed the display returns to generator temperature indication NOTE 1 Wrong setting may cause a failure of the Chiller If you need to change setting be sure ...

Страница 26: ...mediate action However as this might lead to mark code attention should be paid Consult a service agent at the next periodic maintenance NOTE These indications disappear when the failure is corrected 4 6 3 Descriptions of maintenance message and actions to be taken Descriptions and actions by category Maintenance Message Display Action 1 Fouling of cooling water tubes Cooling water tubes must be c...

Страница 27: ...this case the next priority code can be shown by pressing key Display example High temperature generator s solution level is too low 4 7 2 Actions to be taken THE CHILLER ACTION An alarm occurs Alarm buzzer sounds and the indication lamp of STOP key blinks Alarm code is shown on the data display Press the BUZZER STOP key on the operation board The alarm buzzer stops Check the content of the alarm ...

Страница 28: ...r below Crystallization Cooling water pump interlock failure prevention Few flow rate of cooling water option 50 or below Generator s temperature is too high 105o C 221o F or avove Protection of High concentration of absorbent 2 times of 65 0 generator or above 65 5 or above Motor protection No 1 Absorbent pump is overloaded Rated current No 2 Absorbent pump is overloaded value or above Refrigeran...

Страница 29: ...oling water pump after cheking the cause of alarm If you can not find the cause contact a service agent Contact a service agent Check other alarms with key Contact a service agent Check other alarms with key If the alarm occurred during purging shut the diaphragm valves immediately Rated current value or above Contact a service agent Check other alarms with key above 1 0o C 1 8o F at 85 or above i...

Страница 30: ...ersonnel under the maintenance contract The customer can carry out the purging but should follow the instructions of our service personnel Purging procedure The opening closing condition of each valve V1 Close V2 Close V3 Close B valve Open a Turn on the purge pump on off switch on the control pane b Close B valve c Open V1 and V2 d Press key on the operation board once to indicate 17 Check the pu...

Страница 31: ...ould be kept above the oil level window of the red dot 5 6mm Stop the purge pump when you replace the oil The type of rotary pump oil differs depending on vapor pressure viscosity etc The use of a wrong type of oil can lower the pump performance So use the attached pump oil If the ultimate pressure cannot be attained by oil change sludge or other deposit may have collected on the bottom of the pum...

Страница 32: ...n Lithium bromide LiBr solution is used as absorbent in the absorption chiller system As it has similar in nature to salt the solution is corrosive therefore anticorrosive is added Concentration of the anticorrosive shall be checked periodically because it will be consumed with operating hours and therefore the concentration shall be controlled to keep the optimum level This follow up management i...

Страница 33: ... chiller to prevent foreign matter from getting into it 5 In case of installing the chiller into an existing facility there is a possibility to prevent a forming the anti corrosion film on copper tubes by influence of a fouling of the existing piping Consult the service agent about the water treatment of post replacement 5 Water quality standard Water quality standard is shown below as an extract ...

Страница 34: ...s 50 or less Yes Sulfuric acid ion mgSO4 2 l 50 or less 50 or less Yes Acid consumption pH 4 8 mgCaCO3 l 50 or less 50 or less Yes Total hardness mgCaCO3 l 70 or less 70 or less Yes Calcium hardness mgCaCO3 l 50 or less 50 or less Yes Ion silica mgSiO2 l 30 or less 30 or less Yes Iron mgFe l 1 0 or less 0 3 or less Yes Yes Copper mgCu l 1 0 or less 0 1 or less Yes Sulfide ion mgS 2 l No detected N...

Страница 35: ... on the cooling water outlet 2 Check the holding water quantity and decide the anticorrosive quantity so that the mixture fraction is appropriate Pour anticorrosive into the water 3 Fill up the absorber condenser 4 Operate the cooling water pump until anticorrosive is evenly mixed 5 Close the isolation valves of inlet and outlet on the cooling water line Dry lay up 1 Discharge cooling water from i...

Страница 36: ...ic replacement 6 years Diaphragm valve If necessary Palladium cell Periodic replacement 3 years Palladium cell heater Periodic replacement 3 years Rupture disc Periodic replacement annual Angle valve If necessary Check valve If necessary Damper If necessary Purge unit ejector unit Periodic replacement 8 years Pump Absorbent pump 1 2 Periodic replacement 10 years 20 000h Refrigerant pump Periodic r...

Страница 37: ...ll in the report leave one copy with the customer and take one copy back to the office so that they can use it for future maintenance works We will not re issue this report so please be sure to keep it in the fixed place and show it to the service personnel when they visit you 6 3 WARRANTY 1 Service agent will hand it to you after filling in the warranty Please confirm the warranty period read it ...

Страница 38: ...Manufacturer CARRIER SCS Route de Thil BP49 01122 MONTLUEL CEDEX FRANCE ...

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