Related Manuals for CLIMAVENETA MICS FF
Summary of Contents for CLIMAVENETA MICS FF
- Page 1 INSTALLATION-OPERATING-SERVICE MANUAL Air/water chillers and heat pumps with axial-flow fans and pump assembly. MICS FF MICS-N FF 0072÷0182...
- Page 3 INDICE General warnings Operating limits Fundamental safety rules Hydraulic data Identification Checking and starting up the unit Receiving and handling the product Activating and deactivating the unit Description of standard unit Setting service parameters Dimensioned drawings Displaying alarms Installation Operating characteristics Hydraulic connections Shutting down for long periods Electrical connections...
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Page 4: General Warnings
GENERAL WARNINGS These units have been designed to chill and/or maintenance or service. heat water and must be used in applications com- When the items are consigned by the carrier, patible with their performance characteristics. check that the packaging and the unit are undam- Incorrect installation, regulation and maintenance or aged. -
Page 5: Receiving And Handling The Product
IDENTIFICATION The MICS / MICS-N chiller can be identified by the: Tampering with or removal POTENZA FRIGO R IFERA ------------------- POTENZA TERMICA ------------------- Rating plate absence of rating plates or TIPO REFRIGER A NTE ------------------- CAR ICA REFRIGER A NTE ------------------- PRESSIONE MASSIMA -------------------... - Page 6 DESCRIPTION OF STANDARD UNIT The air-cooled chillers with axial-flow fans operate with PUMPS refrigerant R410A and are suitable for installation outdoors. Multistage centrifugal pump with stainless steel hydraulic The units satisfy the essential requirements of directives assembly and corrosion prevention device to prolong the 98/37/EC, 73/23/EEC, 89/326/EEC, 97/23/EEC and subse- working life of the pump.
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Page 7: Dimensioned Drawings
DIMENSIONED DRAWINGS 1- Hydraulic connections IN 0072÷0182 Ø1”1/4 2- Hydraulic connections OUT 0072÷0182 Ø1”1/4 Dimension 0072 0092 0122 0152 0182 1300 1300 1300 Weight distribution in operation MICS 0072 0092 0122 0152 0182 Weight distribution in operation MICS-N 0072 0092 0122 0152 0182... -
Page 8: Choice Of Installation Site
INSTALLATION CHOICE OF INSTALLATION SITE lift truck or similar, bearing in mind the weight distribution of Before installing the unit, agree with the customer the site the unit. To lift the unit, insert tubes long enough to allow where it will be installed, taking the following points into consid- positioning of the lifting slings and safety pins in the special eration: holes in the base of the unit. -
Page 9: Filling The Installation
Installations containing antifreeze or covered by Particular types of water used for filling or top- specific legislation must be fitted with hydraulic discon- ping up must be treated with appropriate treatment nectors. systems. For reference values, see the table. The manufacturer is not liable for obstruction, breakage or noise resulting from the failure to install filters or vibration dampers. -
Page 10: Electrical Connections
ELECTRICAL CONNECTIONS The MICS / MICS-N chillers leave the factory already Voltage must be within a tolerance of ±10% of the rat- wired, and ready for connection to the mains electricity sup- ed power supply voltage for the unit (for three phase ply and for the flow switch and remote ON/OFF switch to be units, the unbalance between the phases must not connected. -
Page 11: Electrical Panel Layout
ACCESSING THE ELECTRICAL PANEL The electrical panel is located inside the unit at the top of the technical compartment where the various components of the refrigerant circuit are also to be found.To access the electrical panel, remove the front panel of the unit by undoing the metric screws. - Page 12 ELECTRICAL POWER CONNECTIONS REMOTE KEYBOARD KIT For the functional connection of the unit, bring the power The remote keyboard kit can be used to display all unit supply cable to the electrical panel inside the unit and con- functions and access the parameters of the electronic nect it to terminals U-V-W N and , respecting (U-V- board from a point located at some distance from the unit...
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Page 13: Wiring Diagram
WIRING DIAGRAM MICS / MICS-N English 07/07... -
Page 14: General Technical Data
GENERAL TECHNICAL DATA MICS-N 0072 0092 0122 0152 0182 Cooling capacity (1) 17,3 21,8 30,3 37,4 42,5 Compressor power input (1) 12,2 14,8 Potenza termica (2) 20,2 26,1 33,9 42,6 47,9 Compressor power input (2) 10,0 12,8 14,2 Compressors n° m 3 /h Rated water flow (1) m 3 /h... - Page 15 COOLING PERFORMANCE MICS Model 0072 Model 0092 Model 0122 Ta. Tw Ta. Tw Ta. Tw 19,3 19,9 20,5 21,2 21,8 22,4 24,5 25,3 26,0 26,7 27,4 28,2 33,4 34,5 35,5 36,6 37,7 38,7 25,0 Pat 25,0 Pat 25,0 Pat ∆ Pev 39 ∆...
- Page 16 COOLING PERFORMANCE MICS-N Model 0072 Model 0092 Model 0122 Ta. Tw Ta. Tw Ta. Tw 18,3 18,9 19,5 20,1 20,7 21,3 23,3 24,0 24,7 25,4 26,1 26,7 31,7 32,8 33,8 34,8 35,8 36,8 25,0 Pat 25,0 Pat 25,0 Pat ∆ Pev 43 dPev dPev 17,3 17,9 18,4 19,0 19,5 20,1...
- Page 17 HEATING PERFORMANCE MICS-N Model 0072 Model 0092 Model 0122 U.R.87% Tw U.R.87% Tw U.R.87% Tw 15,3 15,3 15,3 19,2 19,7 20,1 25,8 25,9 25,9 10,9 ∆ Pc ∆ Pc ∆ Pc 17,2 17,1 17,0 16,9 21,9 22,1 22,3 22,5 28,9 28,8 28,7 28,7...
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Page 18: Operating Limits
OPERATING LIMITS HEATING COOLING operate chiller, it is vital to respect the condi- tions given in the table: RECOMMENDED OPERATING AREA DELIVERY WATER TEMPERATURE DELIVERY WATER TEMPERATURE Thermal head min. max 3÷8 Water circuit pressure (bar) 1÷6 Max. storage temperature (°C) ETHYLENE GLYCOL SOLUTIONS FOULING FACTORS Water and ethylene glycol solutions used as a thermal... -
Page 19: Hydraulic Data
HYDRAULIC DATA MINIMUM WATER CONTENT Model 0072 0092 0122 0152 0182 Minimum water content MICS Litri Minimum water content MICS-N Litri USEFUL PUMP HEAD CURVES (*) MICS/MICS-N 0072 MICS/MICS-N 0092 MICS 0122 MICS-N 0122 MICS 0152 MICS-N 0152 MICS/MICS-N 0182 (*) To obtain the useful head of the installation, subtract the pressure drop of the plate heat exchanger HEAT EXCHANGER PRESSURE DROP (WATER SIDE) Model... -
Page 20: Checking And Starting Up The Unit
CHECKING AND STARTING UP THE UNIT PREPARING FOR FIRST START UP or restarting after shutting down for long periods. The unit must be started up for the first time with The chiller must be started up for the first time by the standard settings. - Page 21 ACTIVATING AND DEACTIVATING THE UNIT ACTIVATING AND DEACTIVATING THE UNIT - The temperature of the water returning from the system - Put the on/off switch to ON appears on the display: HSW8 Cooling mode: Heating mode: - To switch on the cooling mode, keep button K pressed for 5 - To switch on the heating mode, keep button J pressed for 5 sec.The mode of operation and the pump indicator lights come sec.The mode of operation and the pump indicator lights come...
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Page 22: Setting The Set Points
IMPOSTAZIONE PARAMETRI SERVICE SETTING THE SET POINTS The factory Set Point settings are: cooling 12°C, heating - Use button J or K to scroll to the “parameters R” sub- 40°C. menu. To modify the set points, proceed as follows: - Press button L for 5 sec. to access the main parameters window. -
Page 23: Displaying Alarms
DISPLAYING ALARMS FAULT CAUSE REMEDY Values display indication Check fault High pressure switch tripped Reset the switch Values display indication Low pressure switch tripped Check fault (automatic reset) Check water outlet temperature Values display indication Compressor thermal cut-out tripped Check water flow (manual reset) Check set point temperature Values display indication... -
Page 24: Operating Characteristics
OPERATING CHARACTERISTICS Set point in cooling FROST PREVENTION ALARM (factory setting) = 12°C, differential = 3°C. To prevent breakage of the plate-type heat exchanger due With outlet water temperatures above 13.5°C, the 1st to freezing of the water inside it, the microprocessor pro- compressor activates, whereas with temperatures above vides for activation of the anti-frost heater if the tempera- 15°C, the 2nd compressor activates. -
Page 25: Shutting Down For Long Periods
SHUTTING DOWN FOR LONG PERIODS After deactivating the chiller: If there is a possibility that the outside tempera- - Make sure the remote switch SA1 (if present) is in the ture may drop below zero, there is the risk of freez- "OFF"... -
Page 26: Troubleshooting
TROUBLESHOOTING FAULT CAUSE REMEDY - Check presence of voltage The chiller does not No voltage - Check safety systems upstream start up of the appliance Mains switch in OFF position Remote switch (if present) in OFF position Switch ON Control panel set to OFF Main unit switch in OFF position Compressor thermal solenoid switch OFF Supply voltage too low... - Page 27 FAULT CAUSE REMEDY High discharge pressure High external water temperature Check fan operation High water inlet temperature (greater than 3,5 MPa)* Insufficient water flow Check pump operation Insufficient air flow Faulty fan regulation Check Air in water circuit Vent air Excessive refrigerant charge Check Low discharge pressure...
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Page 28: Useful Information
USEFUL INFORMATION For information on technical assistance and obtaining spare parts, contact FIXED AIR-CONDITIONING TECHNICAL SERVICE DEPARTMENT, CLIMAVENETA HOME SYSTEM SRL via. L. Seitz, 47 - 31100 Treviso (ITALIA) www.climaveneta.it info@climavenetahs.it English 07/07 MICS / MICS-N... - Page 29 MICS / MICS-N English 07/07...
- Page 32 Dé Longhi Group - Via L. Seitz, 47 - 31100 Treviso (Italia)
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