LG Electronics 5CSV2-03A Selection Procedure, Select unit based on required cooling capacity

Page 43

9. Selection Procedure

Step 1. Determine cooling load requirements at design conditions.

Required load conditions:

 

Required cooling capacity (TC)

25,000 Btu/h

Sensible capacity (SHC)

19,000 Btu/h

Temperature air entering Outdoor Unit

95°F

Temperature air entering Indoor Unit

80°F DB/67°F WB

DB — dry bulb temperature

 

WB — wet bulb temperature

 

Step 2. Select unit based on required cooling capacity.

Based on Total Cooling Capacity, choose suitable model from the specification table. The model with a nominal net capacity of 28,000 Btu/h cooling is selected.

The system consists of a LV-B2860CL.

Verify the unit performance at the given conditions in accordance with step #3.

Step 3. Determine if system selected satisfies cooling requirements.

Enter cooling capacities table on page 44 at high speed and 95°F outdoor entering air temperature with 80°F DB/67°F WB indoor entering air temperature.

Total cooling capacity = 28,000 Btu/h, Sensible capacity=21,600 Btu/h

To find capacity at intermediate conditions not in the table ;

Interpolation should be used when design conditions are between two numbers that are in the capacity table.

Extra-polation is not recommended.

If the interconnecting piping length is more than 7.5m ;

Find the capacity(%) at that particular interconnecting piping length from the coefficient of capacity change graph, on page 51.

Multiply coeffienct factor with Total Cooling Capacity & Sensible Capacity.

Ex: At 20m interconnecting piping length, from coefficient of capacity change graph, coeffienct factor is 0.94.

Total Cooling Capacity =

Capacity (%) x Total Cooling Capacity = 94x28000

=26,320Btu/h

 

 

100

 

100

 

Sensible Capacity =

Capacity (%) x Sensible Capacity

= 94x21600

=20,304Btu/h

 

 

100

100

 

 

42Ceiling & Floor, Ceiling Suspended (50Hz, R22)

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Contents Ceiling & Floor50Hz, R22 Ceiling Suspended50Hz, R22 LG Electronics Inc General DescriptionCeiling & Floor, Ceiling Suspended 50Hz, R22 Table of Contents Cooling Only Models ListIdentification Rule Model Number NomenclatureFeatures & Benefits List of Functions Air Discharge outlet Airflow Direction control left & right LV-C368KLA01 Features Ceiling SuspendedLV-C488LLA01 LV-H488LLA0 LV-C488LLB0 LV-H608LLA0 LV-C608LLB0 LV-B1864CL LV-B1864HBL LV-B2464CL LV-B2464HBL SpecificationsLV-B2860CL LV-B2860HL LV-C3681CL LV-C3681HL LV-D4881CL LV-D4881HL LV-D6081CL LV-D6081HL LV-H368KLAB0 LV-H488LLAB0 LV-H608LLAB0 LV-C368KLAB0 LV-C488LLAB0 LV-C608LLAB0 LV-C368KLA1 LV-C488LLA1 LV-C608LLA1 Outdoor Unit Dimensional DrawingsModel No. LV-B1864CH/BL, LV-B2464CH/BL, LV-B2860CHL Indoor UnitModel No. LV-C3681CHL, LV-D486081CHL Dimensional Drawings ABC Model No. LV-CH368KLAB0, LV-C368KLA1 LV-CH48608LLAB0, LV-C48608LLA1 Model No. LV-CH48608LLAB0, LV-C48608LLA1Model No. LV-B1864CL, LV-B2464CL Wiring DiagramsModel No. LV-B1864HBL, LV-B2464HBL Model No. LV-B2860HL Model No. LV-B2860CLModel No. LV-C3681CL Model No. LV-C3681HLIndoor Unit Outdoor Unit Model No. LV-D4881CL Model No. LV-D4881HLModel No. LV-D6081CL Model No. LV-D6081HLModel No. LV-H368KLB0 Model No. LV-H368KLA0Model No. LV-H488LLB0 Model No. LV-H488LLA0Model No. LV-C368KLA0 Model No. LV-H608LLAB0Model No. LV-C488LLA0 Model No. LV-C368KLB0Model No. LV-C608LLAB0 Model No. LV-C488LLB0Model No. LV-C488LLA1 Model No. LV-C368KLA1Model No. LV-C608LLA1 Model No. LV-B182464CL, LV-B2860CL Refrigerant Cycle DiagramsModel No. LV-B182464HBL, LV-B2860HL Model No. LV-C3681HL, LV-D4881HL, LV-D6081HL Model No. LV-C3681CL, LV-D4881CL, LV-D6081CLModel No. LV-H368KLAB0 Model No. LV-C368KLAB0Model No. LV-H488LLAB0 Model No. LV-C488LLAB0Model No. LV-C608LLAB0 Model No. LV-C48608LLA1 Determine if system selected satisfies cooling requirements Selection ProcedureDetermine cooling load requirements at design conditions Select unit based on required cooling capacityModel No. LV-B1864CL Performance DataModel No. LV-B1864HBL Model No. LV-B2860CHL Model No. LV-B2464HBL20.2 Model No. LV-D6081HL Model No. LV-CH488LLAB0, LV-C488LLA1 Model No. LV-CH368KLAB0Heating Capacity Model No. LV-H488LLAB0 Correction Factor Model Additional Refrigerant Coefficient of Capacity ChangeCapacity% Total Pipe LengthmCapacity% Model No. LV-CH368KLAB0, LV-CH48608LLAB0Total Pipe Lengthm Model No. LV-C368KLA1, LV-C48608LLA1Limit Operation Limit18kBtu/h Models Installation on ceiling Cooling Heating Air Velocity and Temperature DistributionsReference DataCooling Heating LV-B1864CH/BL Sound LevelsLV-C3681CHL LV-C368KLA1 Indoor Unit InstallationOutdoor Unit Before Installing, prepare Installation Plates Installation on the ceilingVB Chassis Models Lower slot Side of view Front of viewBefore working, refer to Flaring Work on Than 260 265 Installation on the WallInner slot After Installing, reassemble detached parts Installation on the floorLocation & Mounting Safety considerationsVC/VD Chassis Models Initial checkRefrigerant piping Condensate drainInstallation Electrical wiringFilter removal for cleaning Air flow direction adjustmentVK/VL Chassis Models Installation of UnitOpen side cover Preparing work for InstallationDim Model 48k, 60k 1655 320 Mounting the anchor Nut & BoltCeiling MountingInstallation Information For Declination Indoor unit installationSelect the following location Keep a maintenance spacePutting nut on Flaring WorkCutting the pipes and the cable Removing burrsCheck Connecting of Piping IndoorWrap the insulation material around con- nection portion Foamed polyethylene or equivalent is recom- mended Connection of the pipes-Outdoor To check the drainage Checking the DrainageDrain piping Seal small openings around pipings with a gum type sealer Clamping of cables Connecting cables to the Indoor UnitElectric Wire Size Connecting the cable to Outdoor UnitVK/VL Chassis Models Connecting cables to the Indoor Unit Indoor Electrical Wiring VK/VL ChassisConnecting the cable to the Outdoor Unit For VC/VD Chassis Model Function of Remote ControllerCooling Only Model18k, 24k, 28k Signal transmitterHeat Pump Model 18k, 24k, 28k 14 2nd F Button For VK/VL Chassis ModelsNo A20429N

5CSV2-03A specifications

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