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INSTALLATION MANUAL
AIR CONDITIONER
• Please read this installation manual completely before installing the product.
• Installation work must be performed in accordance with the national wiring
standards by authorized personnel only.
• Please retain this installation manual for future reference after reading it
thoroughly.
TYPE : WALL MOUNTED
P/NO : MFL59506845
www.lg.com
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Summary of Contents for LG MFL59506845
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Page 1: Installation Manual
• Please read this installation manual completely before installing the product. • Installation work must be performed in accordance with the national wiring standards by authorized personnel only. • Please retain this installation manual for future reference after reading it thoroughly. TYPE : WALL MOUNTED www.lg.com P/NO : MFL59506845... -
Page 2: Tips For Saving Energy
TIPS FOR SAVING ENERGY TIPS FOR SAVING ENERGY Here are some tips that will help you minimize the power consumption when you use the air conditioner. You can use your air conditioner more efficiently by referring to the instructions below: •... -
Page 3: Important Safety Instructions
SAFETY PRECAUTIONS IMPORTANT SAFETY INSTRUCTIONS READ ALL INSTRUCTIONS BEFORE USING THE APPLIANCE. Always comply with the following precautions to avoid dangerous situations and ensure peak performance of your product WARNING It can result in serious injury or death when the directions are ignored CAUTION It can result in minor injury or product damage when the directions are ignored WARNING... - Page 4 SAFETY PRECAUTIONS • Do not install the product on a defective installation stand. - It may cause injury, accident, or damage to the product. • Be sure the installation area does not deteriorate with age. - If the base collapses, the air conditioner could fall with it, causing property damage, product failure, and personal injury.
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Page 5: Table Of Contents
TABLE OF CONTENTS TABLE OF CONTENTS - Air purging with vacuum pump TIPS FOR SAVING - Soap water method ENERGY - Evacuation - Finishing the Job IMPORTANT SAFETY - Settlement of outdoor unit INSTRUCTIONS Checking the Drainage - To check the drainage. INSTALLATION PARTS - Drain piping INSTALLATION TOOLS... -
Page 6: Installation Parts
INSTALLATION PARTS INSTALLATION PARTS Name Quantity Shape Installation plate 1 EA The feature can be changed according a type of model. Type "A" screw 5 EA Type "B" screw 2 EA Type "C" screw 2 EA Remote control 1 EA holder Screws for fixing panels are attached to decoration panel. -
Page 7: Installation Map
INSTALLATION MAP INSTALLATION MAP Installation plate Sleeve Bushing-Sleeve Putty(Gum Type Sealant) Bend the pipe as closely on the wall as possible, but be careful that it doesn't break. Vinyl tape (Wide) • Apply after carrying out a drainage test. • To carry out the drainage test, remove the air filters Saddle and pour water into the heat... -
Page 8: Installation
INSTALLATION INSTALLATION Select the best Location Outdoor unit - There should not be any heat or steam near - If an awning is built over the unit to prevent the unit. direct sunlight or rain exposure, make sure that heat radiation from the condenser is not - Select a place where there are no obstacles restricted. -
Page 9: Fixing Installation Plate
INSTALLATION Fixing Installation Plate Drill a Hole in the Wall The wall you select should be strong and solid - Drill the piping hole with a ø65mm hole core enough to prevent vibration drill. Drill the piping hole at either the right or the left with the hole slightly slanted to the Mount the installation plate on the wall outdoor side. -
Page 10: Burrs Removal
INSTALLATION Burrs removal Handle 1. Completely remove all burrs from the cut cross section of pipe/tube. Yoke 2. While removing burrs put the end of the copper tube/pipe in a downward direction Cone while removing burrs location is also changed in order to avoid dropping burrs Copper pipe into the tubing. -
Page 11: Connecting The Piping
INSTALLATION Unlock the tubing holder from the chassis Pull back the tubing holder. and mount between the chassis and instal- Remove pipe port cover and positioning lation plate in order to separate the bottom the tubing side of the indoor unit from the wall. Indoor unit back side view Pipe Port Left... -
Page 12: Bad Case
INSTALLATION Bad case Right side piping - Following bending case from right to left directly may cause damage to the tubing. CAUTION Method: Disassemble bracket (from indoor unit) Assemble it with conduit Reassemble it with indoor unit. If the drain hose is routed inside the room insulate the hose with an insulation mate- rial* so that dripping from sweating (con- densation) will not damage furniture or... -
Page 13: Wrap The Insulation Material Around The Connecting Portion
INSTALLATION Wrap with vinyl tape Open-end wrench (fixed) Pipe Flare nut Connection Wrench pipe Vinyl tape(wide) Indoor unit tubing Drain hose 3. When needed to extend the drain hose of indoor unit, assemble the drain pipe as shown on the drawing Finishing the indoor unit installation Mount the tubing holder in the original... -
Page 14: Outdoor
INSTALLATION Outdoor Connecting the Cables - Remove the tubing cover from the unit by Connect the cable to the indoor unit by con- loosening the screw. necting the wires to the terminals on the con- trol board individually according to the outdoor - Align the center of the pipings and suffi- unit connection. - Page 15 INSTALLATION The power connecting cable connected to the CAUTION indoor and outdoor unit should be complied with the following specifications (UL recog- Provide the circuit breaker between nized or CSA certified). power source and the unit as shown by AWG_“B” Main power source Circuit Breaker Conditioner...
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Page 16: Forming The Piping
INSTALLATION Forming the Piping CAUTION In cases where the outdoor unit is installed According to the confirmation of the below the indoor unit perform the following. above conditions, prepare the wiring as Tape the piping, drain hose and connecting follows. cable from down to up. -
Page 17: Air Purging
INSTALLATION In cases where the Outdoor unit is installed Air purging with vacuum pump above the Indoor unit perform the following. Tape the piping and connecting cable from - Preparation down to up. Check that each tube(both liquid and gas Secure the taped piping along the exterior side tubes) between the indoor and outdoor wall. -
Page 18: Soap Water Method
INSTALLATION - Do a leak test of all joints of the tubing(both Evacuation indoor and outdoor) and both gas and liquid side service valves. - Connect the charge hose end described in Bubbles indicate a leak. Be sure to wipe off the preceding steps to the vacuum pump to the soap with a clean cloth. -
Page 19: Finishing The Job
INSTALLATION - Replace the valve caps at both gas and liquid Finishing the Job side service valves and fasten them tight. This completes air purging with a vacuum pump. - With a service valve wrench, turn the valve of - Replace the pipe cover to the outdoor unit by liquid side counter-clockwise to fully open the one screw valve... -
Page 20: Checking The Drainage
INSTALLATION Checking the Drainage Do not make drain piping like the follow- ing. To check the drainage. Pour a glass of water on the evaporator. Do not raise Ensure the water flows through the drain hose of the indoor unit without any leak- age and goes out the drain exit. -
Page 21: Installation Of Filters
INSTALLATION Installation of filters Test Running Pull out the [Allergy free filter + Triple - Check that all tubing and wiring are properly Filter] from the separately packed plastic connected. bag. - Check that the gas and liquid side service Detach the two nitto tapes from the filter. -
Page 22: Evaluation Of The Performance
INSTALLATION Evaluation of the performance Pump down Operate the unit for 15~20 minutes, then This is performed when the unit is relocated check the system refrigerant charge: or the refrigerant circuit is serviced. Pump Down means collecting all refrigerant - Measure the pressure of the gas side service into the outdoor unit without the loss of refrig- valve. -
Page 23: Installation Guide At The Seaside
Install the outdoor unit on the opposite side of the sea wind direction. - If you can’t meet above guide line in the seaside installation, please contact LG Electronics for the additional anticorro- sion. - Periodic ( more than once/year ) cleaning... -
Page 24: Piping Length And Elevation
INSTALLATION Piping Length and Elevation Pipe Size Max. Standard Max. Capacity Additional Re- Length Length Ⓑ LIQUID Elevation (Btu/h) frigerant (g/m) Ⓐ m(ft) m(ft) m(ft) inch inch 18k/24k Ø15.88 Ø9.52 7.5(25) 15(50) 30(99) Indoor unit Outdoor unit Indoor unit Outdoor unit CAUTION •... - Page 25 1. Please call the installing contractor of your product, as warranty service will be provided by them. 2. If you have service issues that have not been addressed by the contractor, please call 1-888-865-3026. CANADA Service call Number # : (888) LG Canada, (888) 542-2623...