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Related Manuals for Daikin Clima-Flex IOM CLIM Series
Summary of Contents for Daikin Clima-Flex IOM CLIM Series
- Page 1 Installation, Operation and Maintenance Manual Group: Chiller Part number: IOM CLIM Date: 23 November 2022 CLIM Series Air-Cooled Fixed Compressor Chiller Water Generator Unit Model 7.5 to 62.5 TR Refrigerant HFC-410A 50/60 Hz...
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Page 2: Table Of Contents
Table Of Contents Safety Warnings............4 General Information............5 Installation and Application Information....6 Refrigeration Schematics.........13 Dimensions and Weights - Packaged Units.....15 Refrigerant Charge...........21 Electrical Data............23 Unit Controller Operation........34 Sequence Of Operation ........39 Unit Funtions ............43 Circuit Functions.............44 Alarms ..............46 Controller Usage............47 Vdf Compressor Controller........51 Startup and Shutdown Procedures.......54 Unit Maintenance.............60 Troubleshooting Chart..........63... - Page 3 Pre-Start-Up Checklist - Fixed Compressor Chiller Must be completed, signed and submitted to Clima Flex at least 2 weeks prior to the requested start date. Job name Place of installation Customer order number Model number(s) G.O. Number(s) Initials Chilled water and condensing water for water-cooled chillers Complete piping Water strainer(s) installed in piping according to manual requirements Water system: flushing, filling and draining;...
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Page 4: Safety Warnings
Safety Warnings This manual contains safety instructions that must be followed during installation and maintenance of the unit. Read this manual before installing or operating this unit. NOTES: Installation and maintenance should be performed only by qualified personnel who are familiar with local codes and regulations and who have experience with this type of equipment. -
Page 5: General Information
General Information Clima Flex’s CLIM series air-cooled chilled water generators are The electrical control center includes all operating controls and complete, self-contained, automatic chillers designed for outdoor equipment protection necessary for reliable automatic operation. installation. The package units are fully assembled, factory wired, Components housed in a weatherproof control panel. -
Page 6: Installation And Application Information
Installation and Application Information Table 1. Operating and Standby Limits Maximum standby ambient temperature 130°F (54°C) Maximum operating ambient temperature 105°F (41°C) Minimum operating ambient temperature (standard control) 32°F(0°) Cold water outlet temperature 40°F A 65°F (4°C to 18°C) Outgoing chilled fluid temperatures (with antifreeze) - Note that in cases of high ambient temperature, 15°F A 65°F (-9°C to 18°C) the lowest outgoing water temperature settings may be outside the chiller operating envelope. - Page 7 Installation and Application Information Clima Flex units are designed for outdoor installation. It is • The installer is responsible for calculating the best position for necessary for the units to have air ventilation, in addition to a free the unit. It is vitally important that the suggested clearances air inlet (see figure 2) to allow proper air circulation, as well as to are respected in order to provide adequate ventilation for the provide access for servicing the equipment.
- Page 8 Installation and Application Information ON-SITE PREREQUISITE Figure 4. Building or wall on one side of the unit For optimal operation of the equipment, a correct connection to the hydraulic network and the minimum water flow per minute specified in the technical information sheet of the equipment is required.
- Page 9 Installation and Application Information Figure 6. Three or more units, side by side Figure 7. Pit installation CAUTION To prevent damage to the evaporator and possible failure of the chiller, a supply filter is required in the inlet water piping that connects to this evaporator.
- Page 10 Installation and Application Information Figure 8. Typical piping of a brazed plate evaporator, series CLIM Tandem It is recommended that the field-installed water piping for the 1. Factory installed option available - models 7.5 through 62.5 chiller include: 2. A field installation kit shipped loose with the unit is available for all unit sizes and consists of: •...
- Page 11 Installation and Application Information Water systems should be cleaned and flushed prior to chiller Figure 9. Factory installed strainer installation. Water testing and treatment should be verified during initial chiller installation/commissioning and should be maintained on an ongoing basis by water treatment professionals. CAUTION Improper use of detergents, chemicals and additives in the cooling system water can adversely affect the performance...
- Page 12 Installation and Application Information If the chiller is not allowed to control the pump, the following problems may occur: CAUTION 1. If the chiller attempts to start without first starting the pump, The installed glycol level must match the nominal glycol the chiller will lock out with the no flow alarm and require a percentage indicated on the submitted chiller technical data manual restart.
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Page 13: Refrigeration Schematics
Refrigeration Schematics Figure 10. CLIM refrigeration schematics www.clima-flex.com iom-clim-cf-eng... - Page 14 Refrigeration Schematics Figure 11. CLIM heat pump refrigeration schematic iom-clim-cf-eng www.clima-flex.com...
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Page 15: Dimensions And Weights - Packaged Units
Dimensions and Weights - Packaged Units Figure 12. CLIM 7.5 Tr www.clima-flex.com iom-clim-cf-eng... - Page 16 Dimensions and Weights - Packaged Units Figure 13. CLIM 10 Tr iom-clim-cf-eng www.clima-flex.com...
- Page 17 Dimensions and Weights - Packaged Units Figure 14. CLIM 12.5 Tr www.clima-flex.com iom-clim-cf-eng...
- Page 18 Dimensions and Weights - Packaged Units Figure 15. CLIM iom-clim-cf-eng www.clima-flex.com...
- Page 19 Dimensions and Weights - Packaged Units Figure 16. CLIM heat pump www.clima-flex.com iom-clim-cf-eng...
- Page 20 Dimensions and Weights - Packaged Units Figure 17. CLIM tandem 50 Tr iom-clim-cf-eng www.clima-flex.com...
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Page 21: Refrigerant Charge
Refrigerant Charge EMPTYING PROCEDURE WARNING Any system that has been exposed to the atmosphere must be The pump oil should be changed periodically to ensure properly dehydrated. This is achieved with a proper vacuum vacuum efficiency. procedure. To achieve a proper vacuum, a VACUUM PUMP (not a compressor) and a VACUOMETER are required. - Page 22 Refrigerant Charge/Pressure Drop Table 5. Refrigerant charge REFRIGERANT CHARGE PRESSURE RANGES MODEL Refrigerant (Lbs) Refrigerant (Kg) PRESSURE RANGES LOW PRESSURE CLIM 12.7 7 - 9 3.1 - 4.0 420 - 480 psi 100 - 120 psi CLIM 6 - 8 2.7 - 3.6 420 - 480 psi 100 - 120 psi...
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Page 23: Electrical Data
Electrical Data USE WITH ON-SITE GENERATORS ELECTRICAL CONNECTION CLIM units can be ordered with standard multi-point power Switching from site mains to generator power and vice versa connections or with optional single-point connections and various requires the chiller to be off or the power to be disconnected for disconnect and circuit breaker options. - Page 24 Electrical Data Figure 19. Typical field wiring diagram of 220v master cold only unit (single point connection with all options shown) iom-clim-cf-eng www.clima-flex.com...
- Page 25 Electrical Data www.clima-flex.com iom-clim-cf-eng...
- Page 26 Electrical Data iom-clim-cf-eng www.clima-flex.com...
- Page 27 Electrical Data Figure 20. Typical field wiring diagram of the 220v slave only cold unit (single point connection with all options shown) www.clima-flex.com iom-clim-cf-eng...
- Page 28 Electrical Data iom-clim-cf-eng www.clima-flex.com...
- Page 29 Electrical Data Figure 21. Typical field wiring diagram of 440v master cool only unit (single point connection with all options shown) www.clima-flex.com iom-clim-cf-eng...
- Page 30 Electrical Data iom-clim-cf-eng www.clima-flex.com...
- Page 31 Electrical Data www.clima-flex.com iom-clim-cf-eng...
- Page 32 Electrical Data Figure 22. Typical field wiring diagram of the 440v slave single cold unit (single point connection with all options shown) iom-clim-cf-eng www.clima-flex.com...
- Page 33 Electrical Data www.clima-flex.com iom-clim-cf-eng...
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Page 34: Unit Controller Operation
Unit Controller Operation GENERAL DESCRIPTION SYSTEM ARCHITECTURE pCOOEM+ electronically programmable The general architecture of the controls uses the following: microprocessor-based controller that is fully compatible (software • A pCOOEM+ unit controller. and hardware) with the pCO family of products and systems that •... - Page 35 Unit Controller Operation INPUTS AND OUTPUTS The configuration of the inputs and outputs depends on the initial configuration of the system. The tables in this section show the inputs and outputs assigned to each type of configuration as well as the port used for the “Mother” unit (whose capacity is regulated by an inverter or an unloader) and the “Child”...
- Page 36 Unit Controller Operation Figure 29. Analog inputs of the pCo (Expansion Module Son) PORT CO AIR HP AIR CO WATER HP WATER TYPE INJECTION INJECTION INJECTION INJECTION RETURN RETURN RETURN RETURN FREEZING FREEZING FREEZING FREEZING CONDENSER CONDENSER COND. INJECTION COND INJECTION Figure 30.
- Page 37 Unit Controller Operation SET POINTS COMP.E3 0 a 999 COMP.E4 0 a 999 When we start configuring the unit for the first time all the preload parameters have a default value, these values are stored in COMP.E5 0 a 999 permanent memory but can be changed depending on the application of the unit.
- Page 38 Unit Controller Operation LOW PRESSURE (BP) METER COMP.E6 0 to 999 COMP.M 0 to 999 COMP.E7 0 to 999 COMP.E1 0 to 999 FREEZING (FREEZING) COMP.E2 0 to 999 COMP.M 0 to 999 COMP.E3 0 to 999 COMP.E1 0 to 999 COMP.E4 0 to 999 COMP.E2...
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Page 39: Sequence Of Operation
Sequence Of Operation Figure 33. Sequence of operation of the unit - Cool mode Unit Power up Wait the time for the start up compressor Unit in OFF state The contactor auxiliar remains on while chiller is enabled Is unit enabled? Is the protection module or... - Page 40 Sequence Of Operation Operation run need more Operation of circuit in capacity?? stabilization Increase unit capacity Load is abatied? Unit turn up full capacity? Shut down the circuit. Operation of circuit in stabilization Unit turn down full capacity? Decrease unit capacity Is unit running at minimun...
- Page 41 Sequence Of Operation Figure 34. Sequence of operation of the unit - heat pump mode Unit Power up Wait the time for the start up compressor Unit in OFF state The contactor auxiliar remains on while chiller is enabled Is unit enabled? Is the protection...
- Page 42 Sequence Of Operation Operation of circuit in Operation stabilization run need more capacity?? Load is Increase unit capacity abatied? Unit turn up full Shut down the circuit. capacity? Operation of circuit in stabilization Unit turn down full capacity? Decrease unit capacity Is unit running at minimun...
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Page 43: Unit Funtions
Unit Funtions Condenser approach The calculations in this section are used in unit-level control logic or all-circuit control logic. The capacitor approximation will be calculated for each circuit. EVAPORATOR DELTA T The equation is as follows Capacitor approximation = Capacitor saturated temperature- The Delta T of the evaporator water is calculated as the OAT. -
Page 44: Circuit Functions
Circuit Functions COMPRESSOR CONTROL Figure 35. Circuit states. Compressors should operate only when the circuit is in the operating or pumping state. They should not operate when the circuit is in any other state. Compressor start-up A compressor must start if it receives a start command from the unit capacity control logic. - Page 45 Circuit Functions OVERHEATING CONTROL STATUS Dimensions (Mm) OPERATION TXV Operation The measurement of refrigerant flow to the evaporator is the exclusive function of a TXV. It must measure this flow at precisely the same rate at which the refrigerant is evaporated by the heat charge.
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Page 46: Alarms
Alarms The alarms described below contain the on-screen description of each alarm. MASTER ALARMS E2 HIGH PRESSURE ALARM FAILURE IN TEMPERATURE MASTER INJECTION HEAD E2 EVAPORATOR FREEZE-UP ALARM PROBE, BROKEN OR DISCONNECTED CONDENSER FREEZE-UP ALARM E2 FAILURE TEMPERATURE MASTER RETURN TEMPERATURE PROBE, BROKEN OR DISCONNECTED CONDENSER HIGH CHILLED WATER CONDENSER E2 MOTOR SAVER ALARM... -
Page 47: Controller Usage
Controller Usage GRAPHICAL USER INTERFACE E5 SLAVE ALARMS Control states E5 ENGINE SAVER ALARM The configured devices will display this screen by default. E5 LOW PRESSURE ALARM 1. Control status button: Can be active or inactive by a digital E5 HIGH PRESSURE ALARM input or inactive by the pGDTouch terminal. - Page 48 Controller Use These screens show the actual inputs for each controller. ALARMS PAGE When the alarms button is clicked, the user will be presented with a page showing whether or not alarms are present. Pressing the active alarms button will display the alarm log. In this screen you can set the time and date of log alarms or diagnostic information.
- Page 49 Controller Use In this screen you can modify the setpoint temperature of the equipment. In this screen you can change the language. EXPORT REGISTRATION The user can export to a USB memory stick all the information stored in the unit as a csv file (comma separated values file), the user can extract:Registro de alarmas.
- Page 50 Controller Use CONTROL PANEL The following instructions apply to the graphical LCP (LCP 102): The control panel is divided into four functional groups: 1. Graphical display with status lines. All data is displayed on a graphical LCP display, which can show up to five items of operating data while displaying the [Status].
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Page 51: Vdf Compressor Controller
Vdf Compressor Controller LCP KEYS Figure 37. LCP Overview The control keys are divided into functions. The keys below the display and the indicator lights are used for parameter settings, including the choice of display indication during normal operation. Status 1(0) 10,4A Figure 39. - Page 52 Vdf Compressor Controller NOTES: Stop the motor compressor before performing The [Hand On] option allows the frequency converter to be this operation. The LCP can now be connected controlled by the LCP. The [Hand on] option also starts the motor compressor and it is possible to enter the speed data of the motor to another frequency converter and copy the compressor using the arrow keys.
- Page 53 Vdf Compressor Controller DATA CHANGE • The frequency converter is now programmed according to the default settings. The procedure for changing the data is the same in both the Quick This procedure initializes everything except: Menu and the Main Menu mode. Quick menu and in the main menu mode.
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Page 54: Startup And Shutdown Procedures
Startup and Shutdown Procedures INSPECTION OF THE HYDRAULIC CIRCUIT WARNING Date: The installer must take these procedures into account; his personnel must be qualified and certified to perform the Place of Work: installation in order to comply with all specifications and good practices to ensure proper operation of the unit. - Page 55 Startup and Shutdown Procedures UNBALANCE PERCENTAGE = [(MAXIMUM AVERAGE After completing the inspection of the above installation points and ensuring that all elements of the unit are correct, the unit can DEVIATION) / (AVERAGE)] X (100) be powered up. Turn the switch on the CONTROL UNIT to the ON position to DIAGNOSTIC LIGHT INDICATORS (LED STATUS) power the control unit with 24 volts.
- Page 56 Startup and Shutdown Procedures UNIT START-UP RECORD Date: Place of Work: Location: Unit Model: Serial number: Compressor Model 1: Series: Compressor Model 2: Series: Compressor Type 1 (x) : Fijo Digital Compressor Type 2 (x): Fijo Digital Pump Model 1: Series: Pump Model 2: Serie:...
- Page 57 Startup and Shutdown Procedures INITIAL CIRCUIT 1 CIRCUIT 2 CIRCUIT 3 CIRCUIT 4 CIRCUIT 5 CIRCUIT 6 (Master unit) (Slave unit 1) (Slave unit 2) (Slave unit 3) (Slave unit 4) (Slave unit 5) VOLT L1-L2 VOLT L1-L3 VOLT L2-L3 AMP L1 AMP L2 AMP L3...
- Page 58 Startup and Shutdown Procedures 30 MINUTES CIRCUIT 1 CIRCUIT 2 CIRCUIT 3 CIRCUIT 4 CIRCUIT 5 CIRCUIT 6 (Master unit) (Slave unit 1) (Slave unit 2) (Slave unit 3) (Slave unit 4) (Slave unit 5) VOLT L1-L2 VOLT L1-L3 VOLT L2-L3 AMP L1 AMP L2 AMP L3...
- Page 59 Startup and Shutdown Procedures 60 MINUTES CIRCUIT 1 CIRCUIT 2 CIRCUIT 3 CIRCUIT 4 CIRCUIT 5 CIRCUIT 6 (Master unit) (Slave unit 1) (Slave unit 2) (Slave unit 3) (Slave unit 4) (Slave unit 5) VOLT L1-L2 VOLT L1-L3 VOLT L2-L3 AMP L1 AMP L2 AMP L3...
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Page 60: Unit Maintenance
Unit Maintenance MAINTENANCE COMPRESSOR MAINTENANCE Service or maintenance of these units should be performed The internal pressure and surface temperature of the compressor by experienced personnel with specific refrigeration training. are DANGERs and can cause permanent injury. Safety devices should be checked repeatedly and cycling control components should be analyzed and corrected before resetting Operators, installers and maintenance personnel require proper is initiated. - Page 61 Unit Maintenance FILTER DRIER WARNING Any particles from the condenser piping, compressor or various components are swept by the refrigerant into the liquid line and Risk of electric shock, can cause injury and death. trapped by the filter drier. It is recommended that the filter drier be replaced each time a Disconnect all power sources before inspecting the fan.
- Page 62 Unit Maintenance ELECTRICAL MAINTENANCE Re-tighten electrical panel Plan connectors terminals, control parts, power junction boxes (quarterly) Real Physical inspection Plan electrical panel connectors and relays (monthly) Real Check amperage Plan electric motors, compare with equipment nameplate for anomalies (quarterly) Real Physically check for false Plan contacts...
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Page 63: Troubleshooting Chart
Troubleshooting Chart Condensate drain line check, Plan must not be clogged (Quarterly) Real Plan Review of alarm history (monthly) Real TROUBLESHOOTING CHART Problem Possible causes Possible corrective actions Main or compressor disconnect switch open. Circuit breaker closed. Check the electrical circuit and possible short circuit, line to ground, loss of connections or motor windings causing the Fuse damaged, circuit breakers open. - Page 64 Troubleshooting Chart Problem Possible causes Possible corrective actions Fan failure. Check the electrical circuit and possible problems before changing the motor fan. Coolant overcharge. Remove excess coolant and check the liquid subcooling. Check that the unit and fan motor are correctly supplanted by the power line.
- Page 65 Troubleshooting Chart Problem Possible causes Possible corrective actions Operation beyond design conditions. Correct to bring conditions within allowable limits. Voltage range or unbalance. Check and correct. Compressor thermal protection switch High superheat. Set correct superheat. open. Compressor mechanical failure. Check for possible problem. Then replace the compressor. Short cycling.
- Page 66 Troubleshooting Chart Problem Possible causes Possible corrective actions The set temperature value is an incorrect Establish values. setting. The equipment Equipment does have enough Check the data sheet and check the system for leaks. works, but does not refrigerant. cool sufficiently. High condensing temperature.
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