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Installation, Operation and

Maintenance Manual

IOM

Group: Chiller

Part number: IOM CLIV

Date: 16 November 2022

CLIV Series

Air-Cooled Fixed Compressor Chilled

Water Chiller Unit

Model
3,5 and 10 TR
Refrigerant HFC-410A
50/60 Hz

Содержание Clima-Flex CLIV Series

Страница 1: ...Operation and Maintenance Manual IOM Group Chiller Part number IOM CLIV Date 16 November 2022 CLIV Series Air Cooled Fixed Compressor Chilled Water Chiller Unit Model 3 5 and 10 TR Refrigerant HFC 41...

Страница 2: ...Controller Operation 24 Sequence Of Operation 26 Funciones De La Unidad 30 Funciones De Los Circuitos 31 Alarmas 33 Uso Del Controlador 35 Procedimientos De Arranque Y Apagado 38 Mantenimiento De La U...

Страница 3: ...rtup Cooler components EXV sensor transducers installed and wired properly Wiring complies with National Electrical Code and local codes See Notes Various Si No N A Iniciales Unit control disconnects...

Страница 4: ...rigerant leaks from the unit there is a potential choking danger as the refrigerant will displace air in the immediate area Be sure to follow all applicable published industry related standards and lo...

Страница 5: ...0 060 60 000 120 120 000 AIR DISCHARGE HD Horizontal Discharge OPERATION C Cooling Only H Heat Pump UNITS 1 Stand alone CONDENSER FAN A Axial Fixed ANTICORROSION C Coat in Condenser I Coat in Componen...

Страница 6: ...tions DANGER Improper rigging lifting or moving of a unit can result in property damage serious personal injury or death Follow the rigging and moving instructions carefully Do not stand under the uni...

Страница 7: ...ation of fans and compressors The noise level for each unit size model is listed in the technical documentation If the unit is properly installed operated and regularly maintained the noise levels do...

Страница 8: ...f wall openness is less than recommended for the distance to the unit it should be considered a solid wall The wall height is assumed to be equal to or less than the height of the unit when mounted on...

Страница 9: ...evaporators must have a drain and vent connection at the bottom of the bottom connection piping and at the top of the top connection piping respectively see Figure 6 These evaporators do not have dra...

Страница 10: ...tes below the minimum values can result in laminar flow leading to low pressure alarms fouling and poor temperature control Variable evaporator flow Reducing the evaporator flow rate in proportion to...

Страница 11: ...for longer than the specified time to help prevent evaporator freeze up Connection points are shown in the field wiring diagram beginning on page 20 1 If the unit will not operate during the winter d...

Страница 12: ...ith a series of flat tubes containing multiple parallel flow microchannels placed between the coolant manifolds The microchannel coils are designed to withstand the synthetic acidified seawater acidif...

Страница 13: ...iom cliv cf eng www clima flex com 13 Figure 8 Refrigeration Schematics CLIV Refrigeration Schematics...

Страница 14: ...iom cliv cf eng www clima flex com 14 Refrigeration Schematics Figure 9 CLIV heat pump cooling scheme...

Страница 15: ...iom cliv cf eng www clima flex com 15 Figure 10 CLIV Dimensions and Weights Packaged Units...

Страница 16: ...iom cliv cf eng www clima flex com 16 Dimensions and Weights Packaged Units Figure 11 CLIV heat pump...

Страница 17: ...en open the register1 Fig 12 Subsequently isolate the vacuum pump and open the register 2 When a value of less than 200 mecrons is obtained try to reach the lowest possible value the vacuum procedure...

Страница 18: ...E EVAPORATOR DROP TOTAL DROP DP ft WG DP ft WG 3 UNIT 16 7 32 5 UNIT 16 7 32 10 DUPLEX 16 7 32 Table 5 Evaporator Pressure Drop Data FAMILY TR R410A Lb R410A Kg CLIV 3 TR 3 56 1 61 CLIV 5 TR 3 52 1 60...

Страница 19: ...gram 3 The single point power supply requires a single disconnect to supply electrical power to the unit This power supply must have a fuse or use a circuit breaker 4 All field wiring terminal range v...

Страница 20: ...iom cliv cf eng www clima flex com 20 Electrical Data Figure 13 Typical field wiring diagram of the 220v slave only cold unit single point connection with all options shown...

Страница 21: ...iom cliv cf eng www clima flex com 21 Electrical Data...

Страница 22: ...iom cliv cf eng www clima flex com 22 Electrical Data Figure 14 Typical field wiring diagram of the 440v slave single cold unit single point connection with all options shown...

Страница 23: ...iom cliv cf eng www clima flex com 23 Electrical Data...

Страница 24: ...reless connectivity with mobile devices and is integrated on panel mounted models and purchased separately on DIN rail mounted models SYSTEM ARCHITECTURE The general architecture of the controls uses...

Страница 25: ...essor 2 NO3 MC 95 Water pump NO4 B 24V2 4 way valve NO5 Output available for alarm connection SET POINTS When we start configuring the unit for the first time all the preload parameters have a default...

Страница 26: ...et button on No Evaporator pump output on Is flow present No Wait the time for the start up compressor The contactor auxiliar remains on while chiller is enabled Is the protection module or frecuency...

Страница 27: ...y Increase unit capacity Unit turn up full capacity Operation of circuit in stabilization Unit turn down full capacity Decrease unit capacity Is unit running at minimun capacity No No Yes No No Yes Ye...

Страница 28: ...Reset button on No Evaporator pump output on Is flow present No Wait the time for the start up compressor The contactor auxiliar remains on while chiller is enabled Is the protection module or frecuen...

Страница 29: ...y Increase unit capacity Unit turn up full capacity Operation of circuit in stabilization Unit turn down full capacity Decrease unit capacity Is unit running at minimun capacity No No Yes No No Yes Ye...

Страница 30: ...CONTROLLER CALCULATIONS Condenser approach The capacitor approximation will be calculated for each circuit The equation is as follows Capacitor approximation Capacitor saturated temperature OAT Sucti...

Страница 31: ...s capacity control logic commands it to shut down A discharge alarm occurs and sequencing requires this compressor to be the next compressor to shut down The circuit status is pumping and sequencing...

Страница 32: ...frosted equalizer line indicates internal leaks and will require valve replacement Repair or replacement of a bent equalizer will be necessary for the valve to operate properly TXVs are designed to m...

Страница 33: ...log If the alarm is automatically reset the alarm key is turned off the alarm code disappears from the list and the alarm termination event is recorded in the alarm log Procedure alarm acknowledgement...

Страница 34: ...ther with the current pump configuration A15 This alarm usually appears when the water temperature does not drop due to the current cooling process This alarm is more of a WARNING than a serious alarm...

Страница 35: ...e top row the flow water temperature In the bottom row with the unit switched on the return water temperature With the unit switched off the OFF status during Bluetooth communication the text bLE flas...

Страница 36: ...rs such as direct commands and active alarms can be accessed through the user terminal without password or with password to those dedicated to unit configuration and optimization Press DOWN for 3 s to...

Страница 37: ...t pump units Press DOWN the manual defrost command dFr appears Press DOWN the command to cancel the alarm log ClrH appears Assistance level only Press DOWN the selection of units of measurement UoM ap...

Страница 38: ...ydraulic circuit is closed Check for foreign objects in the fan discharge Check that the air inlet is not obstructed and has the suggested clearance INSPECTION OF THE HYDRAULIC CIRCUIT Date Place of W...

Страница 39: ...ions Measure voltage on all units ground neutral and 3 phase line Check that motor overload protection conforms to design requirements and is in automatic mode Check voltage Motor save which is set to...

Страница 40: ...turned on Turn the switch on the CONTROL UNIT to the ON position to power the control panel with 24 volts UNIT CONTROL To start operations turn the ON OFF switch to the ON position After 6 seconds th...

Страница 41: ...onsible for the malfunction of the unit if the main cause is lack of maintenance or the operating conditions of the unit do not correspond to those recommended in this manual MAINTENANCE GENERAL Routi...

Страница 42: ...ay start up and cause injury Disconnect all power sources before inspecting the fan EXPANSION VALVE The function of the expansion valve is to maintain adequate supply of refrigerant to the evaporator...

Страница 43: ...these must be under the manufacturer s specifications Twice a month Plan x x x x x x Real Cleaning of the electrical panel monthly Plan x x x x x x x x x x x x Real PHYSICAL INSPECTION Jan Feb Mar Ap...

Страница 44: ...r supports at suction or discharge Reposition add or remove hangers Compressor insulator bushing worn Replace Compressor mechanical failure Check for possible problem in compressor failure and replace...

Страница 45: ...el too high with compressor operation Confirm superheat is correct remove oil Operation or selection of expansion value Confirm superheat at minimum and maximum load conditions Compressor mechanical p...

Страница 46: ...iom cliv cf eng www clima flex com...

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