LG FLEX MULTI SPLIT Скачать руководство пользователя страница 18 | Manualshive

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18 Room Air Conditioner

Flaring Work and Connection of Piping

Outdoor

Align the center of the pipings and sufficiently
tighten the flare nut by hand.

Finally, tighten the flare nut with torque wrench
until the wrench clicks.

• When tightening the flare nut with torque

wrench, ensure the direction for tightening
follows the arrow on the wrench.

Outdoor unit
36k

Liquid side piping

Torque wrench

B-UNIT

A-UNIT

Gas side piping

Torque wrench

Liquid side piping

B-UNIT

C-UNIT

A-UNIT

Gas side piping

Outdoor unit
24k

Outside diameter

Torque

mm

inch

kg.m

Ø6.35

1/4

1.8

Ø9.52

3/8

4.2

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Содержание FLEX MULTI SPLIT

Страница 1: ...ges or thin aluminum fins on the air conditioner can cut your finger When installing in a wall Make sure the wall is strong enough to hold the unit s weight It may be necessary to construct a strong wood or metal frame to provide added support in a room Properly insulate any tubing run inside a room to prevent sweating that can cause dripping and water damage to wall and floors in moist or uneven ...

Страница 2: ...e to the Outdoor unit 20 Connection method of the connecting cable Example 21 Connect the cable to the indoor unit For SE S4 Chassis 22 Checking the Drainage Forming the Pipings and Long Pipe Setting 23 Checking the drainage 23 Forming the piping 24 Air Purging and Evacuation 25 Checking method 25 Evacuation 26 Charging 27 Panel Front Assembly Artcool type Only 28 Test Running 29 Combination indoo...

Страница 3: ...ype more than 70cm 27 6 inch more than 30cm 11 8 inch more than 30cm 11 8 inch Air Outlet Air Intake side rear Connection pipe Drain hose Connecting wire Control cover more than 30cm 11 8 inch more than 70cm 27 6 inch 24k 36k more than 20cm 7 9 inch more than 20cm 7 9 inch Air Outlet Air Intake side rear Connection pipe Drain hose Connecting wire Control cover more than 20cm 7 9 inch ...

Страница 4: ...dicated circuit and breaker Improper wiring or installation may cause fire or electric shock Use the correctly rated breaker or fuse There is risk of fire or electric shock Safety Precautions To prevent injury to the user or other people and property damage the following instructions must be followed Incorrect operation due to ignoring instruction will cause harm or damage The seriousness is class...

Страница 5: ...or installation always contact the dealer or an Authorized Service Center There is risk of fire electric shock explosion or injury 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 f...

Страница 6: ...hen installing the product To avoid vibration or water leakage Do not install the product where the sound or hot air from the outdoor unit could be offensive to neighbors It may cause a problem for your neighbors Use two or more people to lift and transport the product Avoid personal injury Do not install the product where it will be exposed to salt spray directly It may cause corrosion on the pro...

Страница 7: ...ont back and side of the unit 3 Do not place animals and plants in the path of the warm air 4 Take the air conditioner weight into account and select a place where noise and vibration are minimum 5 Select a place so that the warm air and sound from the air conditioner do not disturb neighbors Rooftop Installations If the outdoor unit is installed on a roof structure be sure to level the unit Ensur...

Страница 8: ...C Min length of each pipe A B C Max Elevation between each indoor unit and outdoor unit h1 Max elevation between indoor units h2 h2 h2 h1 A B B C h2 h1 A B h1 h1 h1 CAUTION Capacity is based on standard length and maximum allowance length is on the basis of reliability Oil trap should be installed every 5 7 meters 16 4 23 0ft 9K 3 8 1 4 7 5m 25ft 20g m 0 32oz ft 12K 3 8 1 4 7 5m 25ft 20g m 0 32oz ...

Страница 9: ...erline using a level 2 Measure the wall and mark the centerline It is also important to use caution concerning the location of the installation plate routing of the wiring to power outlets is through the walls typically Drilling the hole through the wall for piping connections must be done safely Fixing Installation Plate Standart Type Installation Plate Type A screw Chassis Hook Installation plat...

Страница 10: ...de 1 Remove two screws for fixing cover pipe 2 Pull up the cover side of desired connecting direction then cover side is separated 3 In case of connecting direction is left or right path through the hole of cover side CAUTION After removing the pipe hole cut the burr for safety When connecting pipe path through rear wall don t remove the hole NOTICE Drain hose junction 1 Remove the rubber stopple ...

Страница 11: ...to drilled points Hang the hole of product at the upper screws In this time Remove the map Falling attention Check the fixed product with light power Adjust level even by level guage and fix to installation for reference on the well Drill the piercing part for connecting pipe as diameter 50mm In case of piercing rear surface Refer to No 5 on this page when making a hole in the wall First Drive the...

Страница 12: ...ely remove all burrs from the cut cross section of pipe tube 2 Put the end of the copper tube pipe in a downward direction as you remove burrs in order to avoid dropping burrs into the tubing Putting nut on Remove flare nuts attached to indoor and outdoor unit then put them on pipe tube having completed burr removal not possible to put them on after flaring work Flaring work Carry out flaring work...

Страница 13: ... hole Do not connect the cable to the indoor unit Make a small loop with the cable for easy connection later 3 Tape the tubing drain hose and the connecting cable Be sure that the drain hose is located at the lowest side of the bundle Locating at the uper side can cause drain pan to overflow inside the unit If the drain hose is routed inside the room insulate the hose with an insulation material s...

Страница 14: ...install the drain pipe Wrap the insulation material around the connecting portion 1 Overlap the connection pipe insulation material and the indoor unit pipe insulation material Bind them together with vinyl tape so that there may be no gap 2 Wrap the area which accommodates the rear piping housing section with vinyl tape 3 Bundle the piping and drain hose together by wrapping them with vinyl tape ...

Страница 15: ...te Insert the spacer etc between the indoor unit and the installation plate and separate the bottom of the indoor unit from the wall Connecting the piping to the indoor unit and the drain hose to drain pipe 1 Align the center of the pipes and sufficiently tighten the flare nut by hand 2 Tighten the flare nut with a wrench 3 When extending the drain hose at the indoor unit install the drain pipe Fo...

Страница 16: ... they fit into the rear piping housing section Reroute the pipings and the drain hose across the back of the chassis Indoor unit installation 1 Remove the spacer 2 Ensure that the hooks are properly seated on the installation plate by moving it left and right 3 Press the lower left and right sides of the unit against the installation plate until the hooks engage into their slots clicking sound Pla...

Страница 17: ...nection of Piping Installation Information For left piping Follow the instruction below Good case Press on the upper side of clamp and unfold the tubing to downward slowly Bad case Following bending type from right to left may cause damage to the tubing ...

Страница 18: ...torque wrench until the wrench clicks When tightening the flare nut with torque wrench ensure the direction for tightening follows the arrow on the wrench Outdoor unit 36k Liquid side piping Torque wrench B UNIT A UNIT Gas side piping Torque wrench Liquid side piping B UNIT C UNIT A UNIT Gas side piping Outdoor unit 24k Outside diameter Torque mm inch kg m Ø6 35 1 4 1 8 Ø9 52 3 8 4 2 ...

Страница 19: ...ot subject to change without notice Be sure to connect wires according to the wiring diagram Connect the wires firmly so that not to be pulled out easily Connect the wires according to color codes by referring to the wiring diagram RECOMMAND Provide a circuit breaker between power source and the outdoor unit as shown below RECOMMAND The power cord connected to the outdoor unit should be complied w...

Страница 20: ... local codes while running the wire from the indoor unit to the outdoor unit size of wire and wiring method etc Every wire must be connected firmly No wire should be allowed to touch refrigerant tubing the compressor or any moving parts NOTICE Outdoor unit Over 5mm Holder for power supply cord Connecting cable Cover control Terminal block Power supply cable A UNIT 4 3 2 1 B UNIT 4 3 2 1 Terminal B...

Страница 21: ...connecting each power wire to the corresponding terminal follow instructions How to connect wiring to the terminals and fasten the wire tightly with the fixing screw of the terminal plate How to connect wiring to the terminals For strand wiring 1 Cut the wire end with a wire cutter or wire cutting pliers then strip the insulation to expose the strand wiring about 10mm 3 8 2 Using a screwdriver rem...

Страница 22: ...6k 1ø 230 208V 30A Power source Fuse or breaker Capacity 1 Connect the wires to the terminals on the control board individually according to the outdoor unit connection Ensure that the color of the wires of outdoor unit and the terminal No are the same as those of indoor unit respectively 2 Attach the Grille onto the cabinet Grasp the lower left and right side of the Grille and engage four tabs on...

Страница 23: ...a glass of water on the evaporator 2 Ensure the water flows through the drain hose of the indoor unit without any leakage and goes out the drain exit Drain piping 1 The drain hose should point downward for easy drain flow 2 Do not make drain piping Downward slope Do not raise Accumulated drain water Tip of drain hose dipped in water Air Waving Water leakage Water leakage Ditch Less than 50mm gap W...

Страница 24: ... drain hose and connecting cable from down to up 2 Secure the tapped piping along the exterior wall using saddle or equivalent In cases where the Outdoor unit is installed above the Indoor unit perform the following 1 Tape the piping and connecting cable from down to up 2 Secure the taped piping along the exterior wall Form a trap to prevent water entering the room 3 Fix the piping onto the wall b...

Страница 25: ...dry nitrogen gas cylinder to this service port with charge hoses CAUTION Be sure to use a manifold valve for leak testing The high side manifold valve must always be kept closed Pressurize the system to no more than 150 P S I G with dry nitrogen gas and close the cylinder valve when the gauge reading reached 150 P S I G Next test for leaks with liquid soap CAUTION To avoid nitrogen entering the re...

Страница 26: ...open the valve 3 Loosen the charge hose connected to the gas side service port slightly to release the pressure then remove the hose 4 Replace the flare nut and its bonnet on the gas side service port and fasten the flare nut securely with an adjustable wrench This process is very important to prevent leakage from the system 5 Replace the valve caps at both gas and liquid side service valves and f...

Страница 27: ...ot Example A 80ft line set is used for tri zone 5 additional ft X 0 22 ounces per foot add 1 1 ounces of R 410A Important If you are ever uncertain of the unit charge reclaim evacuate and weigh in the correct charge using the unit nameplate charge adjusting for line sets longer or shorter than 7 5m 25ft for each indoor unit Charging 24k 30m 100ft 15m 50ft 3m 10ft 7 5m 25ft 7 5m 25ft 20g m 0 22oz f...

Страница 28: ...the side cover assembly exactly Fix power cord in the bottom groove of cover side left 2 Assemble connecting lead wire with controller and first fix the upper part of panel front then match the lower part of panel front 3 Suspend hook of front panel in the groove after contract lower of 2 screws Panel Front Connector ...

Страница 29: ...he difference between the intake temperature and the discharge is more than 8 C 14 4 F 4 For reference the gas side pressure of optimum condition is as below Cooling If the actual pressure are higher than shown the system is most likely over charged and charge should be removed If the actual pressure are lower than shown the system is most likely undercharged and charge should be added For maximum...

Страница 30: ...capacity in Btu h unit of connected indoor unit models represents the total sum of the figures expressed in the indoor model name 2 Combinations in which the total capacity of the connected indoor units exceeds the capacity of the outdoor unit will reduce the capacity of each indoor unit below the rated capacity during simultaneous operation Therefore if circumstances allows combine indoor units w...

Страница 31: ...ination Above standard combination suitable performance may not be obtained depending on operating condition 24k 2 rooms 1 UNIT 9 9 12 12 2 UNIT 9 9 18 9 12 21 12 12 24 Combination Unit A Unit B Total 36k 3 rooms 1 UNIT 9 9 12 12 9 9 18 9 12 21 2 UNIT 12 12 24 9 9 9 27 3 UNIT 9 9 12 30 9 12 12 33 12 12 12 36 Combination Unit A Unit B Unit C Total ...

Страница 32: ...32 Room Air Conditioner Memo ...

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