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Due to our policy of continuous product innovation, some specifications may change without notification.

©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.

REFRIGERANT PIPING CONNECTIONS

Using a Conduit for Indoor Unit Wiring / Cable Installation

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1. Prop indoor unit away from wall bracket.
2. Guide communication / connection (power) cable insulation into the conduit.

• Check local, state, and federal codes when choosing a conduit size.
•

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2XWGRRU8QLWWR,QGRRU8QLW´LQWKH(OHFWULFDO6\VWHP,QVWDOODWLRQVHFWLRQIRULQIRUPDWLRQ

3. Attach conduit using the liquidtight 3/4 inch elbow connector.
4. Reassemble the indoor unit properly onto the wall bracket.
5. If conduit is not used, see pages in this section for refrigerant piping, condensate drain, power wiring / communica-

tion cable bundling information.

6. To protect the piping, condensate drain, and conduit from the elements, add a lineset cover from the indoor access

hole to the outdoor unit.

Indoor Unit Connections

Indoor Unit Piping Flare Nut Field-

Installed

Piping

Pipe Size (in. O.D.) Outside Diameter (mm)

Torque (ft-lbs.)

1/4

6.35

13.0 - 18.0

3/8

9.52

24.6 - 30.4

1/2

12.7

39.8 - 47.7

5/8

15.88

45.4 - 59.3

3/4

19.05

71.5 - 87.5

Table 17: Torque Wrench Tightening.

Figure 50: Indoor Unit Connection.

Piping Installation When Piping is on the Right Side

See the Electrical System Installation section for information on how to con-

nect the communication / connection (power) wiring from the outdoor unit.

1. Align the center of the refrigerant piping and corresponding connection

as shown.

2. Place a couple of drops of refrigerant oil on outside of the flare before

assembling.

Do not add any contaminants. Tighten the flare nut

initially by hand.

3. Finish tightening the flare nut with a torque wrench until the wrench

clicks. Follow torque guidelines in the table below.

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tightening follows the arrow on the wrench.

4. Bundle the refrigerant piping, drain hose, and communication / con-

nection (power) cable together. Ensure that the drain hose is located
at the bottom of the bundle.
• If using a conduit for the power wiring / communications cable, see

below.

Positioning the drain hose at the top of the bundle can cause condensate to

RYHUÀRZIURPWKHGUDLQSDQLQWKHLQVLGHRIWKHLQGRRUXQLW

Right Side Piping

Piping

Connection

Cable

Tape

Drain Hose

Figure 49: Piping Installation When Piping is on the Right Side.

Figure 51: Liquidtight 3/4 Inch Elbow Connector

Attached to Flexible Conduit.

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Содержание LS090HSV5

Страница 1: ...SINGLE ZONE HIGH EFFICIENCY STANDARD WALL MOUNT INSTALLATION MANUAL Models LS090HSV5 LS120HSV5 LS180HSV5 ...

Страница 2: ...ions begins on page 3 For continual product development LG Electronics U S A Inc reserves the right to change specifications without notice LG Electronics U S A Inc This document as well as all reports illustrations data information and other materials are the property of LG Electronics U S A Inc PROPRIETARY DATA NOTICE This document as well as all reports illustrations data information and other ...

Страница 3: ... will HQWHU WKH XQLW FDXVLQJ UH HOHFWULF VKRFN DQG SK VLFDO LQMXU RU GHDWK Always check for system refrigerant leaks after the unit has been installed or serviced Exposure to high concentration levels of refrigerant gas will lead to illness or death Wear protective gloves when handling equipment Sharp edges will cause personal injury Dispose the packing materials safely Packing materials such as n...

Страница 4: ... life to recover recycle reclaim or destroy R410A refrigerant according to applicable U S Environmental Protection Agency EPA rules Periodically check that the outdoor frame is not damaged There is a risk of equipment damage Install the unit in a safe location where nobody can step on or fall onto it Do not install the unit on a defective stand There is risk of unit and property damage Install the...

Страница 5: ...struments Failure to carefully read and follow all instructions in this manual can result in personal injury or death All electric work must be performed by a licensed electrician and conform to local building codes or in the absence of local codes with the National Electrical Code and the instructions given in this manual If the power source capacity is inadequate or the electric work is not SHUI...

Страница 6: ...rify that the hardware securing the unit has not deteriorated If the unit falls from its installed location it can cause property damage product failure physical injury or death If gas leaks out ventilate the area before operating the unit If the unit is mounted in an enclosed low lying or poorly ventilated area DQG WKH V VWHP GHYHORSV D UHIULJHUDQW OHDN LW ZLOO FDXVH UH HOHFWULF shock explosion p...

Страница 7: ...gineering 28 30 Flaring and Brazing Procedures 31 32 Refrigerant Piping Connections 33 43 Installation Overview 33 Special Applications 34 Outdoor Unit Connections 35 Indoor Unit Connections 36 38 Outdoor Unit Drain Piping 39 Indoor Unit Drain Hose 39 41 Bundling 41 Insulation 42 43 Electrical System Installation 44 53 Safety Guidelines 44 RQQHFWLRQV DQG 6SHFL FDWLRQV 44 48 Controller Options 49 I...

Страница 8: ...enclature S 180 H System Type Style SV High Efficiency Inverter VP Gallery YV Premier EV Mega V Standard Inverter T Thermostat Compatible LV Extended Piping Capacity Mbh Frame Type A Art Cool S Standard C Four Way Ceiling Cassette D Ceiling Concealed Duct Low Static H Ceiling Concealed Duct High Static V Vertical Horizontal Air Handling L LG 9 9 12 12 18 18 24 24 36 36 42 42 48 48 L SV 5 N N Indoo...

Страница 9: ... Wireless Controller with Holder AKB74955602 One 1 9 000 12 000 Btu h Indoor Units 18 000 Btu h Indoor Units Connecting cable power and control Pipes vapor line and liquid line with insulation Insulated drain hose Additional drain hose Level Screwdriver Electrical lineman pliers Electric drill Hole saw Drill Flaring tool set Tubing cutter Tube pipe reamer Torque wrenches Allen wrench Gas leak dete...

Страница 10: ...oor Unit Type Qty Propeller 1 Motor Drive Brushless Digitally Controlled Direct Airflow Rate Indoor Unit Max H M L CFM Cooling 459 338 317 194 459 338 317 194 706 530 477 371 Heating 459 338 317 229 459 338 317 229 706 547 494 371 Outdoor Unit Max CFM 1 165 1 165 2 119 Piping Liquid Line in ø1 4 ø1 4 ø3 8 Vapor Line in ø3 8 ø3 8 ø5 8 Condensate Drain O D I D in 27 32 5 8 27 32 5 8 27 32 5 8 Additi...

Страница 11: ...ange Min to Max MCA MOP Compressor Quantity Compressor Motor RLA Outdoor Fan Motor Indoor Fan Motor Cooling Heating kW FLA FLA 3 4 LS090HSV5 60 208 230 187 253 10 0 15 0 1 7 0 7 0 0 043 0 4 0 4 1 LS120HSV5 10 0 15 0 1 7 0 7 0 0 043 0 4 0 4 1 1 2 LS180HSV5 13 0 20 0 1 9 6 9 6 0 124 0 25 0 4 Voltage tolerance is 10 Maximum allowable voltage unbalance is 2 MCA Minimum Circuit Ampacity Maximum Overcur...

Страница 12: ...oid placing the outdoor unit in a low lying area where water could accumulate If the outdoor unit is installed in a highly humid environment near an ocean lake etc ensure that the site is well ventilated and has a lot of natural light Example Install on a rooftop Dont s Where it will be subjected to direct thermal radiation from other heat sources or an area that would expose the outdoor unit to h...

Страница 13: ...sulate any drain hoses to prevent the hose from freez ing cracking leaking and causing unsafe conditions from frozen condensate Tie Downs and Lightning Protection Tie Downs The strength of the roof must be checked before installing the outdoor units If the installation site is prone to high winds or earthquakes when installing on the wall or roof securely anchor the mounting base using a field pro...

Страница 14: ...must be more than 150 of the outdoor unit s height There must be 2 to 3 1 2 inches of clearance between the outdoor unit and the windbreaker for purposes of air flow Additional anti corrosion treatment will need to be applied to the outdoor unit at oceanside locations Ocean winds will cause corrosion particularly on the condenser and HYDSRUDWRU QV ZKLFK LQ WXUQ FRXOG FDXVH SURGXFW PDOIXQFWLRQ RU L...

Страница 15: ...or unit consider service inlet and outlet and minimum allowable space requirements as illustrated in the diagrams below Specific clearance requirements in the diagram below are for single fan outdoor units Figure 4 shows the overall minimum clearances that must be observed for safe operation and adequate airflow around the outdoor unit When placing the outdoor unit under an overhang awning sunroof...

Страница 16: ...e components If a forklift is to transport the outdoor unit the forklift arms must pass through the openings at the bottom If a crane is to suspend the outdoor unit it is required that two 2 ropes at least twenty three 23 feet in length be used Pass the ropes under the unit Pass the rope through the two 2 forklift slots each at the front and rear of the outdoor unit 7R SUHYHQW GDPDJH WR WKH RXWGRR...

Страница 17: ...nit to the Platform 1 Ensure that the concrete platform will not degrade easily and has enough structural strength to bear the weight of the unit 2 Include an H beam support Firmly attach the corners otherwise the support will bend 3 Use a hexagon nut 4 Use anti vibration material 5 Include enough space around the concrete foundation for con densate drainage 6 Seal all wiring and piping access hol...

Страница 18: ...nimum clearance from ceiling A More than 4 inches More than 4 inches At least 6 5 feet from the floor A Ceiling Clearance inches Indoor Unit Model s 5 LSN090HSV5 LSN120HSV5 8 LSN180HSV5 Table 6 Single Zone High Ef ciency Standard Wall Mount Indoor Unit Ceiling Clearances Figure 10 Single Zone High Ef ciency Standard Wall Mount Indoor Unit Clearance Requirements 7KH XQLW PXVW QRW EH LQVWDOOHG ZKHUH...

Страница 19: ...be 3 16 to 5 16 from level with the slant being upward on the indoor unit side and downward on the outdoor unit side 2 Finish off the newly drilled hole as shown with bushing and sleeve covering to pre vent damage to the insulation and piping 3 16 5 16 Indoor WALL Outdoor Bushing Core Drill Sleeve Figure 12 Drilling Piping Hole When choosing a location for the wall mount plate be sure to take into...

Страница 20: ...s located in the middle of the bottom cover Location 2 Number of C hooks present depends on model of indoor unit 3 Lift the three 3 to four 4 hinges on the bottom cover up and out of the channels molded to the left right and middle of the indoor unit Location 3 Number of hinges present depends on model of indoor unit 4 Set aside the bottom cover to re install after all procedures are complete 3 3 ...

Страница 21: ...on of the installation plate 2 Engage the hooks at the top of the indoor unit with the upper edge of the installation plate number of hooks depends on model type 3 Ensure the hooks are properly seated on the installation plate by shaking the indoor unit left and right Permanently secure the indoor unit to the wall ONLY AFTER all other tasks such as Refrigerant Piping Connections Drain Piping Conne...

Страница 22: ...L bracket closed and secure the indoor unit to the LQVWDOODWLRQ SODWH DV GHWDLOHG LQ 6WHSV DQG LQ 0RXQWLQJ WKH QGRRU 8QLW WR WKH QVWDOODWLRQ 3ODWH 1 To prepare the indoor unit for piping and electrical installation disengage bottom on indoor unit from installation plate by reversing Steps 6 5 and 4 from the previous procedure if those procedures have been performed 2 Unsnap the piping drain hose h...

Страница 23: ...tations A single zone system consists of one outdoor unit and one indoor unit One of the most critical elements of a single zone system is the refrigerant piping If the connection piping is not within allowable limits there will be reliability performance noise and vibration issues The table below lists pipe length limits that must be followed in the design of a Single Zone High Efficiency Wall Mo...

Страница 24: ...ht Lengths H58 Temper Coils O60 Temper Table 9 ACR Rated Copper Tubing Material OD in 1 4 3 8 1 2 5 8 3 4 7 8 1 1 8 1 3 8 1 5 8 Material Rigid or Soft ACR Rated for R410A Rigid or Solid ACR Rated for R410A Min Bend Radius in 0 563 0 9375 1 5 2 25 3 0 3 0 3 5 4 0 4 5 Min Wall Thickness in 0 03 0 03 0 03 0 03 0 03 0 03 0 03 0 04 0 050 Table 10 ACR Copper Tubing Dimensions and Physical Characteristic...

Страница 25: ...ance Do the same for the maximum pipe temperature 3 Calculate the difference in the two expansion distance values The result will be the anticipated change in pipe length General Example A system is installed and the design shows that there is a 100 foot straight segment of tubing between an indoor unit and the outdoor unit In heating this pipe transports hot gas vapor to the indoor units at 120 F...

Страница 26: ...85 0 90 0 95 1 00 1 05 1 10 1 08 1 15 1 30 1 40 1 45 1 50 120 0 48 0 48 0 60 0 72 0 78 0 84 0 90 0 96 1 02 1 08 1 14 1 20 1 26 1 32 1 30 1 38 1 56 1 68 1 74 1 80 140 0 56 0 56 0 70 0 84 0 91 0 98 1 05 1 12 1 19 1 26 1 33 1 40 1 47 1 54 1 51 1 61 1 82 1 96 2 03 2 10 160 0 64 0 64 0 80 0 96 1 04 1 12 1 20 1 28 1 36 1 44 1 52 1 60 1 68 1 76 1 73 1 84 2 08 2 24 2 32 2 40 180 0 72 0 72 0 90 1 08 1 17 1...

Страница 27: ...es Refrigerant oil degradation Poor insulation of the compressor System does not operate properly Solutions Remove moisture from the piping Piping ends should remain capped until connections are complete Do not install piping on a rainy day Connect piping properly at the unit s side Remove caps only after the piping is cut the burrs are removed and after passing the piping through the walls Evacua...

Страница 28: ...d calculated into the total and segment equivalent piping lengths and compared to product design limitations In all cases materials must be suitable for the application and any applicable codes including but not limited to diameter and wall thick ness continuity per ACR standards Failure to do so will cause significant performance degradation Proper leak checks must be performed Using isolation va...

Страница 29: ...etween the hangers and insulation Field provided pipe supports must be designed to meet local codes If allowed by code use fiber straps or split ring hangers suspended from the ceiling on all thread rods fiber straps or split ring hangers can be used as long as they do not compress the pipe insulation Place a second layer of insulation over the pipe insulation jacket to prevent chafing and compres...

Страница 30: ...ithout any joints Underground refrigerant pipe must be located at a level below the frost line Table 14 Utility Conduit Sizes 1 OD pipe diameter in inches Values in parenthesis indicate OD of pipe with insulation jacket 2 Diameter of pipe with insulation Thickness of pipe insulation is typical Actual required thickness will vary based on surrounding ambient conditions and must be calculated and sp...

Страница 31: ...S create a 45 flare when working with R410A 1 Cut the pipe to length Measure the distance between the indoor unit and the outdoor unit Cut the pipes a little longer than measured distance 2A Remove the burrs Completely remove all burrs from pipe ends When removing burrs point the end of the copper pipe down to avoid introducing foreign materials in the pipe 2B Slide the flare nut onto the copper t...

Страница 32: ...ry tubes small orifices electronic expansion valves oil separators and heat exchangers that can easily become blocked Proper system operation depends on the installer using best practices and utmost care while assembling the piping system 2 Store pipe stock in a dry place keep stored pipe capped and clean 3 Blow clean all pipe sections with dry nitrogen prior to assembly 4 Always use a non oxidizi...

Страница 33: ...mitations in conjunction with outdoor unit and indoor unit positioning When proceeding with piping connections adhere to pipe support spacing lengths as shown in the General Refrigerant Piping System Information section Refer WR WKH 3LSH 6XSSRUWV VHFWLRQ IRU LQIRUPDWLRQ RQ XVLQJ clamps and pipe support materials Always adhere to local codes regarding piping and ac curate support spacing along the ...

Страница 34: ...ll that are around the piping When the Outdoor Unit is Installed Above the Indoor Unit 1 Use a conduit piping set cover or bundle the separately insulated refrigerant piping and the communications connection power cable together up to the outdoor unit service valves 2 Make sure to include some slack in the wiring Wiring must be installed in upwards direction to prevent water from traveling into th...

Страница 35: ...sembling Do not add any contaminants Tighten the flare nut initially by hand 5 Finish tightening the flare nut with a torque wrench until the wrench clicks Follow torque guidelines in the table below See figures for correct connection points Piping Control Box Cover LSU090 120HSV5 Gas Vapor Piping Bigger Diameter Liquid Piping Smaller Diameter Torque Wrench LSU090 120HSV5 Piping Cover Control Box ...

Страница 36: ...piping by unfolding and bending the piping slowly downward first as shown then to the left or right pre chosen following installation guidelines and application needs as shown Secure piping with the piping holder Figure 43 Bending Piping at Rear of Indoor Unit Indoor Unit Connections Figure 44 Removing the Bottom Cover Figure 45 Removing the Bottom Cover Alternate View To access the indoor unit pi...

Страница 37: ...ication power connections are complete before starting the piping connec tions 1 Insert drain hose on left feature will differ depending on model of indoor unit 2 Align the center of the refrigerant piping and corresponding con nection as shown on the next page 3 Place a couple of drops of refrigerant oil on outside of the flare before assembling Do not add any contaminants Tighten the flare nut i...

Страница 38: ...ed Piping Pipe Size in O D Outside Diameter mm Torque ft lbs 1 4 6 35 13 0 18 0 3 8 9 52 24 6 30 4 1 2 12 7 39 8 47 7 5 8 15 88 45 4 59 3 3 4 19 05 71 5 87 5 Table 17 Torque Wrench Tightening Figure 50 Indoor Unit Connection Piping Installation When Piping is on the Right Side See the Electrical System Installation section for information on how to con nect the communication connection power wirin...

Страница 39: ...80HSV5 Drain Washer Drain Caps Drain Cap Figure 55 LSU180HSV5 Drain Component Locations Indoor Unit Condensate Drain Hose Installation Refer to the diagrams below and follow proper installation and the position of the drain hose along the refrigerant piping installation path to avoid leaks After the drain hose is set in place always follow with leak pressure testing and deep evacuation procedures ...

Страница 40: ...s so it won t be pulled out of the field supplied drain pipe 2 inches Drain Hose Interior Wall Vinyl Chloride Drain Pipe Exterior Wall Accumulated drain water Tip of Drain Hose In Container Tip of Drain Hose Pointing Up Tip of Drain Hose In Water Air Kinks Water Leak Water Leak Ditch Less than 2 inch Gap Between Bottom of Drain Hose and Ground Water Leak No rainwater trap Drain Hose and Ground are...

Страница 41: ...on piping insulation material and the indoor unit piping insulation material 2 Bind together the two pipes using vinyl tape Make sure there are no gaps during the binding 3 Be sure the cutting line is placed upward 4 Wrap the rear piping section with narrow vinyl tape 5 Continue to wrap the indoor unit pipe as connected to the outdoor connection pipe 6 Using a wider vinyl tape bundle the piping an...

Страница 42: ...ements for Ethylene Propylene Diene Methylene EPDM insulation Inside the outdoor unit maximum pipe temperature is 248 F and minimum pipe temperature is 40 F For field insulation of refrigerant piping between outdoor units and indoor units consider the following pipe temperature ranges for an operating heat pump system Heating mode refrigerant temperature ranges Liquid 75 118 F High Pressure Vapor ...

Страница 43: ...ches 1 2 inches 1 2 inches Vapor pipe ø3 8 inch 1 2 inches 3 4 inches 3 4 inches 1 inch ø1 2 inch ø5 8 inch ø3 4 inch ø7 8 inch ø1 inch ø1 1 8 inches 3 4 inches ø1 1 4 inches 1 inch 1 inch ø1 3 8 inches ø1 1 2 inches ø1 3 4 inches Table 18 Minimum Refrigerant Pipe EPDM Insulation Wall Thickness Requirements 1 Do not insulate gas and liquid pipes together as this can result in pipe leakage and malf...

Страница 44: ...ath Do not connect ground wire to refrigerant gas or water piping to lightning rods to telephone ground wiring or to the building plumb ing system Failure to properly provide a NEC approved earth ground can result in electric shock fire physical injury or death Consider ambient conditions temperature direct sunlight inclement weather etc when selecting installing and connecting the power wiring Pr...

Страница 45: ...ions demonstrated in the figures below Never apply line voltage power to the communications cable terminal block If contact is made the PCBs will be damaged Always include some allowance in the wiring length when terminating Firmly attach the wiring or cable but provide some slack to facilitate removing the electrical panels while servicing and to prevent external forces from damaging the terminal...

Страница 46: ...fire resulting in physical injury or death 8VH KHDW SURRI HOHFWULFDO ZLUH FDSDEOH RI ZLWKVWDQGLQJ WHPSHUDWXUHV XS WR WR DYRLG ZLULQJ PDOIXQFWLRQ DQG HOHFWULFDO VKRFN ZKLFK ZLOO cause physical injury or death Install appropriately sized breakers fuses overcurrent protection switches and wiring in accordance with local state and NEC regulation related to electrical equipment and wiring and following...

Страница 47: ...mum 18 gauge four 4 conductor stranded shielded or unshielded wire If shielded the wire must be grounded to the chassis at the outdoor unit only When the communication connection power wires between the indoor unit and outdoor unit is GREATER THAN 130 feet use A two 2 conductor wire for power A two 2 conductor wire for communication ground Separate the power AT LEAST two 2 inches away from the com...

Страница 48: ... Diagram For Wiring Lengths GREATER THAN 130 Feet Figure 79 Schematic of a Single Zone System When the Wiring is GREATER THAN 130 Feet Power Supply 1 L1 Power L 2 L2 Neutral N G Ground Power Flow L N Diagram is an example of communication and power cables when the wiring is GREATER THAN 130 feet Terminals may be labeled differently depending on the model Outdoor and Indoor Unit appearances may var...

Страница 49: ... LG representative for more information can connect to the Single Zone High Efficiency Standard Wall Mount indoor unit in one of two different ways 1 LG Wired Remote Extension Cable with Molex plug PZCWRC1 sold separately that connects to the CN REMO terminal on the indoor unit PCB 2 Field supplied controller cable that connects to the indoor unit terminal block must be at least UL2547 or UL1007 a...

Страница 50: ... the front bottom right hand side of the indoor unit To access the terminals unscrew the metal control cover screw if applicable and raise the metal control cover 6 Using a JIS screwdriver connect the cable terminals to the terminal block Ensure wire color and terminal number of the indoor unit matches those of the outdoor unit Refer to the wiring diagram on the inside of the bottom cover Each wir...

Страница 51: ...drain hose at the bottom Positioning the drain hose at the WRS RI WKH EXQGOH FDQ FDXVH FRQGHQVDWH WR RYHUÀRZ IURP WKH GUDLQ SDQ in the inside of the indoor unit Cable Installation When Piping is on the Right Side Connect the terminals to the terminal block Secure the cable onto the terminal block with the cable retainer Secure the refrigerant piping drain hose and communication connection power ca...

Страница 52: ...pends on model from the outdoor unit 2 Inspect all wiring inside the chassis to be sure they are secure and have not loosen during transportation and installation of the outdoor unit Inspect wires for damage or cracks Loose damaged or cracked wires will cause electric shock bodily injury and or death Loose wires can cause the wiring to burn out damaging the outdoor unit 3 Confirm that electrical p...

Страница 53: ...onnect wires as shown at right See also indoor unit wiring diagram found on its bottom cover and outdoor unit wiring diagram on the inside of its chassis cover Each wire must be individually and securely attached to each terminal Loose damaged or cracked wires will cause electric shock bodily injury and or death Loose wires can cause the wiring to burn out damaging the outdoor unit Secure wiring c...

Страница 54: ... pressured to more than 550 psi Pressures greater than 550 psi will damage the piping system and cause unit malfunction Triple Leak Pressure Check Procedure 1 After the refrigerant piping installation is complete open the isolation ball valves if any that will have been included in the piping system 2 Verify that both the liquid and gas vapor suction line outdoor unit service ports are closed and ...

Страница 55: ...system making the deep evacuation procedure inconclusive Never perform evacuation using refrigerant Use only a vacuum pump that can reach 500 microns vacuum rated hoses or copper tubing and a leak free gauge manifold set Use only new vacuum pump oil from a properly sealed unopened container and change oil in pump before EVERY use Subsequent oil changes will be necessary after several hours of cont...

Страница 56: ... system is ready to operate Any field installed ball valves in the refrigerant system if used must be open to ensure all piping is free and clear for evacuation on all piping and connected indoor unit Never perform evacuation using refrigerant Use only a vacuum pump that can reach 500 microns vacuum rated hoses or copper tubing and a leak free gauge manifold set Use only new vacuum pump oil from a...

Страница 57: ...s If the micron level DOES NOT stop rising there is a leak and the leak test must be performed again If the micron level DOES rise above 2 000 micron re open the manifold gauges and the vacuum pump valve and continue evacuation back down to 2 000 micron level If the micron level holds at 2 000 micron continue to step 4 4 Break vacuum with 50 psig nitrogen purge for an appropriate amount of time th...

Страница 58: ...LS090HSV5 LSN090HSV5 LSU090HSV5 Additional Refrigerant Charge oz 0 0 0 0 1 8 5 4 9 0 LS120HSV5 LSN120HSV5 LSU120HSV5 0 0 0 0 1 8 5 4 9 0 LS180HSV5 LSN180HSV5 LSU180HSV5 0 0 3 1 6 2 9 3 15 6 21 8 28 0 34 3 Table 19 Single Zone High Ef ciency Refrigerant Piping System Additional Refrigerant Charge Capacity is based on standard length Equivalent Pipe Length Actual Pipe Length Number of Bends x 0 3 Ad...

Страница 59: ...s on model of indoor unit On the outside of the bottom cover securely snap the C hooks in place at each location using the heel of the palm 4 Match the snaps at the top left and right sides of the bottom cover to their sockets and push to lock the bottom cover to the indoor unit Location 3 5 Verify the bottom cover is securely installed by pushing the bot tom cover to the indoor unit at all attach...

Страница 60: ...he system It is easier to assemble and disassemble the air filter if standing on a ladder looking down at the top of the indoor unit Do not bend the air filter this damages it If the air filter is not assembled correctly dust and other substances will enter the indoor unit 2 Lifting the Air Filter by the Handles 3 Disassembling the Air Filter Air Filter Disassembly and Assembly Air Filter Disassem...

Страница 61: ...t setting While system oper ates in the test operation mode note any issues that occur and fix as necessary Figure 87 Test Operation Mode On Off Button If all modes can t be tested all at one time testing must be performed later when weather conditions permit If the actual pressure is higher than shown the system is most likely overcharged and charge must be removed If the actual pressure is lower...

Страница 62: ... the system but system must be OFF with all functions inactive 2 Enter the Installer mode 3 Set code to 47 4 Press the ON OFF button and select the code number 47 Unit will beep to acknowledge that the code has been received 5 Turn off power for a minimum of 30 seconds 6 Turn power back on to system Disabling Heating Only Mode 1 Supply power to the system but system must be OFF with all functions ...

Страница 63: ...way and purge the air in the manifold hose using the refrigerant 3 Fully close the liquid piping service valve 4 Turn on the unit s power switch and start the Cooling Only mode operation 5 Observe the pressure gauge reading When it changes 14 2 to 7 1 psig fully close the gas line valve and then immediately turn the unit off Pump down procedure is complete and all refrigerant will be collected int...

Страница 64: ...ducts You must understand the inverter air conditioning operation cycle the meaning of the data displayed by SIMs and how to use the data to troubleshoot the system The Duct Free System air conditioning system must run for at least 15 20 minutes before data collected by SIMs is valid for trouble shooting The free SIMs app must be correctly installed on the smart phone before using SIMs Some outdoo...

Страница 65: ...tart Timer Comp Mode EEV Indoor Info Tab Displays the following information Frequency Operation THM Mode REM Mode FAN EEV Air Temp Pipe in Pipe mid Pipe out Graph Info Tab This tab has three sub sections IDU Indoor Unit Temperature graph Displays IDU informa tion in graph format In formation displayed is for the IDU selected on the Main screen ODU Outdoor Unit Temperature and Fre quency graph Disp...

Страница 66: ...ensor error 2X 3 Wired remote control error 3X 4 Float switch error optional 4X 5 Communication error between indoor unit and outdoor unit 5X 6 Indoor unit outlet pipe sensor error 6X 9 Indoor unit EEPROM error 9X 10 Indoor unit BLDC motor fan lock 1X 12 Indoor unit middle pipe sensor error 2X 1X 21 DC Peak IPM Fault Compressor DC voltage was too high 2X 1X 22 Current Transformer2 CT2 error Altern...

Страница 67: ...Air Sensor is disconnected or shorted out 4X 4X 45 Middle thermistor of outdoor unit condenser coil is disconnected or shorted out 4X 5X 46 Outdoor unit suction line thermistor is disconnected or shorted out 4X 6X 48 Outdoor unit coil outlet liquid line thermistor is disconnected or shorted out 4X 8X 53 Communication failure from outdoor unit to indoor unit 5X 3X 60 Outdoor unit printed circuit bo...

Страница 68: ...Engineers Inc ASHRAE Atlanta GA ASHRAE Inc Information about ASHRAE Standard 15 2010 34 2010 and addenda current as of the date of this publication Take appropriate actions at the end of HVAC equipment life to recover recycle reclaim or destroy R410A refrigerant according to applicable US EPA rules Total System Refrigerant Charge To calculate the potential refrigerant concentration level RCL 1 Mea...

Страница 69: ...ted full port ball valves Schrader between the valve body and the indoor units used at the indoor unit and at will in the refrigerant piping Condensate Pump Drain Installation Description Check Condensate drain installed on indoor units Extended condensate piping material used is acceptable under local code Insulated to prevent condensation Indoor unit condensate drain pipes were installed correct...

Страница 70: ...rth Point Parkway Alpharetta Georgia 30022 www lghvac com IM_SZ_HighEff_WallMount_HSV5_11_18 Supersedes IM_SZ_HighEff_WallMount_HSV5_09_18 Supersedes IM_WallMounted_All_11_15 IM_WallMounted_All_08_15 IM WallMounted All 08 14 1 LG Customer Information Center Commercial Products 1 888 865 3026 USA Follow the prompts for commercial A C products 20001747 ISO 9001 2008 LG ELECTRONICS INC ...

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