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Chapter 8   -  TROUBLESHOOTING 
 

 

RC GROUP S.p.A   I_TRP_0909_GB 

 

46 

 

Alarm 

Description 

Function 

Cause 

Remedy 

Restart 

AL35 

Insufficient water flow 
(chiller – hot –
domestic water). 

Hydraulic 
circuit 

Valve too close 

Calibrate valve 

Clogged filter  

Check 

Pump failure 

Contact an After-Sales 
Service authorized by the 
manufacturer 

AL36 

High water 
temperature 

Micro-
processor  
sets 

Plant start-up 
transient 

None 

Set-point change 
transient 
Compressors 
shutdown 

Check 

AL37 

Low water temperature

Micro-
processor  
sets 

Plant start-up 
transient 

None 

Set-point change 
transient

 

Low water flow

 

Check

 

AL39 

Maintenance alarm 

Compressors 
Pumps 

Maintenance Check 

component  

AL40 

Faulty temperature 
probes 

Micro-
processor 

Faulty component 

Contact an After-Sales 
Service authorized by the 
manufacturer 

AL41 

Faulty high pressure 
probes 

Micro-
processor 

Faulty component 

Contact an After-Sales 
Service authorized by the 
manufacturer 

AL42 

Faulty low pressure 
probes 

Micro-
processor 

Faulty component 

Contact an After-Sales 
Service authorized by the 
manufacturer 

AL44 

Faulty expansion 
board 

Micro-
processor 

Faulty component 

Contact an After-Sales 
Service authorized by the 
manufacturer 

AL46 

Wrong LAN network 
parameter 

Micro-
processor 

Wrong sets 

Check 

AL47 

Unit not connected to 
the LAN network 

Micro-
processor 

Faulty working 

Check 

AL48 

Faulty clock card  

Micro-
processor 

Faulty component 

Contact an After-Sales 
Service authorized by the 
manufacturer 

 
 
= AUTOMATIC RESTART (WHEN THE ALARM IS OVER) 
= MANUAL RESTART 
 

Summary of Contents for TRIPACK Series

Page 1: ...MULTIFUNCTION CHILLERS series TRIPACK GB Installation use and maintenance manual I_TRP_0909_GB Manual code Issue Revision Serial number...

Page 2: ...TATION INFORMATION 17 3 1 TRANSPORTATION 17 3 2 PACKING AND UNPACKING 17 3 3 HANDLING AND LIFTING 18 4 INSTALLATION AND TESTING INFORMATION 19 4 1 SAFETY FOR INSTALLATION AND TESTING 19 4 2 INSTALLATI...

Page 3: ...M 37 6 9 DATE AND TIME SETTING 37 6 10 BACK TO MAIN MENU 38 6 11 NORMAL START UP 39 6 12 NORMAL STOP 40 6 13 PROLONGED SHUTDOWNS OF THE MACHINE 41 6 14 START UP AFTER PROLONGED SHUTDOWN 41 7 MAINTENAN...

Page 4: ...original language Italian and may be translated into other languages in order to meet any legislative and or business requirements Even though this information does not fit the machine perfectly this...

Page 5: ...ut by a specialized Engineer only Handlers they arrange the machine properly and affix all the necessary markings for safe and correct handling On receipt of the machine they ensure handling to the in...

Page 6: ...s User a person authorized to control the use of the machine according to the instructions for use and the industrial safety laws in force 1 3 MANUFACTURER AND MACHINE IDENTIFICATION This identificati...

Page 7: ...orized centre For any request for technical assistance regarding the machine please indicate the data specified on the identification plate in particular its serial number the access conditions and th...

Page 8: ...h the applicable laws the manufacturer has adopted all the applicable workmanlike performance rules The aim of this information is to make users aware of the attention necessary for preventing any haz...

Page 9: ...ion stage respect the perimetrical space indicated by the manufacturer considering also any other surrounding activity This requirement must be met also according to the applicable industrial safety l...

Page 10: ...ny regulation and maintenance job on the machine activate all the safety devices provided and consider whether the personnel involved and the operators nearby must be informed properly or not In parti...

Page 11: ...of all functions and the communication with external supervision systems The machines are fully factory assembled provided with a refrigerant charge and control equipment so as to reduce installation...

Page 12: ...primary water circuit conveys the vector fluid to the heat exchange section where the chilling effect is obtained through a vapour compression thermodynamic cycle with compressors CHILLED WATER PRODUC...

Page 13: ...Chapter 2 TECHNICAL INFORMATION RC GROUP S p A I_TRP_0909_GB 13 TRIPACK SCHEME A Compressor B Exhaust heat exchanger C Expansion valve D Plant heat exchanger E Domestic water heat exchanger...

Page 14: ...o point 5 the refrigerant is reduced from its vapour phase to its liquid phase from point 5 to point 7 the refrigerant is in the liquid phase from point 7 to point 8 the refrigerant is reduced from it...

Page 15: ...P S p A I_TRP_0909_GB 15 These pictures show the main components compressors electric board domestic water heat exchanger exhaust heat exchanger plant heat exchanger domestic water heat exchanger exha...

Page 16: ...nufacturer has installed safety devices active or passive conforming to the laws and regulations in force in the country where the machine will be used The various types of devices that can be install...

Page 17: ...g to its predetermined destination transport procedures and technical commercial specifications WARNING CAUTION If the machine must be shipped without a commercial container it is necessary to provide...

Page 18: ...s must be carried out with suitable means by qualified trained personnel authorized to perform this type of manoeuvres The machines based on their size can be lifted in several ways Lift and handle th...

Page 19: ...disturb the peace it must be easily accessible to all people who must interact with it during its expected useful life all maintenance and replacement jobs either ordinary or extraordinary must be ca...

Page 20: ...l cannot exceed 10 bar including the hydrostatic head Therefore the maximum inlet pressure may not exceed Pmax 10 bar Pbi Pmax maximum allowable inlet pressure bar Pbi hydrostatic head pressure bar 4...

Page 21: ...PORATOR EVAPORATOR K HLER K HLER VAPORATEUR VAPORATEUR OX A TE OX A TE INGRESSO ACQUA USCITA ACQUA WATER INLET WATER OUTLET WASSER EINTRITT WASSER AUSTRITT ENTR E EAU SORTIE EAU B O BO B O BO HYDRAULI...

Page 22: ...e chemical wash Gauze filter separates the impurities from the water Install the following components in the water outlet line Water flow meter measures the water flow in the plant Pipe s draining val...

Page 23: ...TORE CONDENSATORE CONDENSER CONDENSER VERFL SSIGER VERFL SSIGER CONDENSEUR CONDENSEUR OH EHCATOP OH EHCATOP INGRESSO ACQUA USCITA ACQUA WATER INLET WATER OUTLET WASSER EINTRITT WASSER AUSTRITT ENTR E...

Page 24: ...e chemical wash Gauze filter separates the impurities from the water Install the following components in the water outlet line Water flow meter measures the water flow in the plant Pipe s draining val...

Page 25: ...NGER VOLLE WRG VOLLE WRG EXCHANGERDERECUPERATION EXCHANGERDERECUPERATION TE OO MEHH C PE EHEPA E TE A TE OO MEHH C PE EHEPA E TE A INGRESSO ACQUA USCITA ACQUA WATER INLET WATER OUTLET WASSER EINTRITT...

Page 26: ...e chemical wash Gauze filter separates the impurities from the water Install the following components in the water outlet line Water flow meter measures the water flow in the plant Pipe s draining val...

Page 27: ...leaks Check that the gauze filter has been fit in the water supply line see diagrams 4 6 4 7 4 8 Fill hydraulic circuits with the type of liquid specified during the design stage pure water or mixtur...

Page 28: ...irements and specifications laid down during the design stage making sure that the electrical connection is correct that the hydraulic connection is ended correctly that the plumbing is filled with li...

Page 29: ...gnetic switch that supplies the auxiliary circuits ON To identify this switch consult the Wiring Diagram 5 Close the door and turn the door locking switch ON 6 If these operations have been carried ou...

Page 30: ...e machine after any failure or replacement upon any ordinary or extraordinary maintenance jobs the operation checking devices could need a re calibration or tune up These jobs the most important are l...

Page 31: ...G CAUTION Failure to comply with these procedures may be a cause of poor performance of the machine plant as a whole and of wear 6 2 CONTROLS DESCRIPTION The various controls are shown below as well a...

Page 32: ...ernal switch by Customer care For electric connections consult the Wiring Diagram Auxiliary operation switch to enable the selected machine working mode ENABLE Enabled to work DISABLE Disabled to work...

Page 33: ...below Icons for compressors identification and working status Current time if clock board is installed Connection to a supervisor Current date if clock board is installed Cooling Heating Defrosting n...

Page 34: ...by password Arrangement of service sets protected by password Intervened alarms history Setting for main components manual working protected by password Date and time setting Setting of communication...

Page 35: ...ee 6 8 Date and time setting see 6 9 6 5 SETTING THE CHILLED WATER TEMPERATURE SET POINT 1 Press 5 key to access to the main control functions menu 2 Press 7 key up to SET POINT is displayed 3 Press 8...

Page 36: ...behaviour to be adopted to remedy the causes of these alarms 5 When all the alarms disappear 2 LED turns off IMPORTANT Some alarms automatically deactivates when their cause disappears others need key...

Page 37: ...ut components maintenance need To reset the working hours act as follows 7 Press 8 key to move the cursor under R letter Reset 8 Press 7 key for 6 secs minimum to reset working hours 9 Press 4 key to...

Page 38: ...ACK TO MAIN MENU The display goes back to the main menu in the following situations By pressing 4 key When the keyboard is not pressed for 5 minutes When the alarms mask is displayed and alarms disapp...

Page 39: ...ry circuit s pump 2 Start the machine 2 Start the machine 3 Wait for at least 1 min and start the machine 3 Wait for at least 1 min and start the machine 3 Wait until the circuit reaches the set point...

Page 40: ...increase in load step by step Is the machine equipped with the water pumping unit optional NO YES NO Is the water circuit divided into primary and secondary circuit YES NO Is the water circuit divide...

Page 41: ...sure vessels state of preservation conduct the leak test on the system open the line isolator close the chilled water shutoff valves drain the chilled water from the piping of the hydraulic circuits 6...

Page 42: ...k including any extraordinary maintenance jobs 7 2 SCHEDULED MAINTENANCE Carry out all the scheduled maintenance jobs at the indicated intervals IMPORTANT In case of non compliance with the above reco...

Page 43: ...ating circuit z Checking of contactors z Checking of the electrical connections tightening z Checking of the noise produced by fans bearings z Checking of the refrigerating circuits working parameters...

Page 44: ...7 6 CHECKING OF THE WATER FLOW AND CLEANING OF THE EXCHANGERS The variation in the flow rate in the exchangers can be caused by the presence of dirt in filters by pump wear or wrong manoeuvres as wel...

Page 45: ...utdoor temperature Contact an After Sales Service authorized by the manufacturer M Chilled water set point too high Dirty condenser AL14 High pressure for refrigerant circuit pressure transducer Refri...

Page 46: ...AL40 Faulty temperature probes Micro processor Faulty component Contact an After Sales Service authorized by the manufacturer A AL41 Faulty high pressure probes Micro processor Faulty component Conta...

Page 47: ...l and electronic parts must be replaced contact an After Sales Service authorized by the manufacturer IMPORTANT To maintain the machine in perfect working order use original spare parts see the Recomm...

Page 48: ...ions are not binding RC GROUP reserves the right for changes and or modifications without notice RC GROUP S p A Via Roma 5 27010 Valle Salimbene PV Italy www rcgroup it Tel 39 0 382 433 811 Fax 39 0 3...

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