Table of Contents
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LG
Air Conditioner
INSTALLATION MANUAL
website http://www.lgservice.com
IMPORTANT
• 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.
LG
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Table of Contents
Related Manuals for LG UU24WD
Summary of Contents for LG UU24WD
- Page 1 website http://www.lgservice.com Air Conditioner INSTALLATION MANUAL IMPORTANT • 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.
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Page 2: Table Of Contents
Air Conditioner Installation Manual TABLE OF CONTENTS Installation Required Parts Required Tools Requirements Safety Precautions ..3 Installation of Indoor, Outdoor unit ....6 • Connecting cable • Level • Four Type "A" Screw • Screw driver The indoor unit • Hanging Bolt •... -
Page 3: Safety Precautions
Safety Precautions Safety Precautions To prevent the injury of the user or other people and property damage, the following instructions must be followed. I Be sure to read before installing the air conditioner. I Be sure to observe the cautions specified here as they include important items related to safety. I Incorrect operation due to ignoring instruction will cause harm or damage. - Page 4 Safety Precautions Do not install the product at a place that there Use caution when unpacking and installing. is concern of falling down. • Otherwise, it may result in personal injury. • Sharp edges may cause injury. I Operation Do not share the outlet with Do not use the damaged Do not modify or extend the other appliances.
- Page 5 Safety Precautions I Installation Install the drain hose to ensure that drain Install the product so that the noise or hot can be securely done. wind from the outdoor unit may not cause any damage to the neighbors. • Otherwise, it may cause water leakage. •...
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Page 6: Installation Of Indoor, Outdoor Unit
Installation of Indoor, Outdoor Unit Installation of Indoor, Outdoor Unit Selection of the best location 1. Indoor unit Cassette type • There should not be any heat source or steam near the unit. Ceiling • There should not be any obstacles to prevent Ceiling Board Ceiling Board the air circulation. - Page 7 Installation of Indoor, Outdoor Unit Convertible type • Do not have any heat or steam near the unit. More than 70cm • Select a place where there are no obstacles in front of the unit. • Make sure that condensation drainage can be conveniently routed away.
- Page 8 Installation of Indoor, Outdoor Unit 3. Piping length and the elevation Pipe Size Length A(m) Elevation B(m) *Additional Capacity (Diameter:Ø) refrigerant(g/m) Liquid Standard Max. Standard Max. 24k Btu/h 5/8"(15.88mm) 3/8"(9.52mm) 30k Btu/h 5/8"(15.88mm) 3/8"(9.52mm) 36k Btu/h 5/8"(15.88mm) 3/8"(9.52mm) Indoor unit Oil trap A trap is not necessary when the outdoor unit is installed in a higher...
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Page 9: The Indoor Unit Installation
The indoor unit installation The indoor unit installation 1. Cassette type Ceiling Ceiling board Level gauge TE Series TH/TD Series TM/TN/TP Series 600 (Ceiling opening) 875 (Ceiling opening) 875 (Ceiling opening) 39.5 521(Hanging bolt) 785(Hanging bolt) 39.5 787 (Hanging bolt) 570 Unit size 840 Unit size 840 Unit size... - Page 10 The Indoor Unit Installation Ceiling Keep the length of the bolt Hanging bolt from the bracket to 40mm (W3/8 or M10) Flat washer for M10 Air Conditioner body (W3/8 or M10) (accessory) Ceiling board Ceiling board Spring washer (M10) Flat washer for M10 (accessory) Set screw of Paper model...
- Page 11 The Indoor Unit Installation 2. Duct type CASE 1 POSITION OF SUSPENSION BOLT • Apply a joint-canvas between the unit and duct to absorb unnecessary vibration. • Apply a filter Accessory at air return hole. (Unit:mm) Dimension F (G) H Capacity 30/36k Btu/hr 1232 1182 355 45.5 450 30 87 830 186...
- Page 12 The Indoor Unit Installation • Select and mark the position for fixing bolts. • Drill the hole for set anchor on the face of ceiling. • Insert the set anchor and washer onto the suspension bolts for locking the Old building New building suspension bolts on the ceiling.
- Page 13 The Indoor Unit Installation CAUTION 1. Install declination of the indoor unit is very important for the drain of the duct type air conditioner. 2. Minimum thickness of the insulation for the connecting pipe shall be 5mm. Front of view •...
- Page 14 The Indoor Unit Installation 3. Convertible type Open side cover 1. Remove two screws from side-cover as shown in fig. 2. Unlock side-cover from side panel by slightly pulling the edge of side cover. Edge part 3. Tap the side-cover with your palm on the backside.(Inlet grill side.) 4.
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Page 15: Drill A Hole In The Wall
The Indoor Unit Installation MOUNTING THE ANCHOR NUT AND BOLT DIM. • Prepare 4 suspension bolts. (Each bolts length MODEL should be same.) 1655 • Measure and mark the position for the 1255 Suspension bolts and the piping hole. • Drill the hole for anchor nut on the ceiling. Anchor nut •... -
Page 16: Indoor Unit Installation
The Indoor Unit Installation Indoor unit installation Hang the Indoor unit on suspension bolt as per following guidelines: 1. Lift the indoor unit to sufficient height. 2. Insert the suspended part of four suspension bolt in the four hangers provided on the side of main body one by one. - Page 17 The Indoor Unit Installation 1) Indoor unit installation I Before Installing, prepare Installation Plates • 'Installation Plates' are attached at the bottom Side Plate of indoor unit. Detach them by removing each 3 screws at both sides. • Detach 'Side Plate (R,L)' by removing each 2 Install Plate screws on both sides.
- Page 18 The Indoor Unit Installation • Insert the nuts and washer onto the suspension bolts for locking the suspension Anchor nut bolts on the ceiling. Ceiling • Mount the suspension bolts to the anchor- Washer nuts firmly. Suspension • Secure the Installation plates onto the bolts Suspension bolts (adjust level roughly.) using nuts, washers and spring washers.
- Page 19 The Indoor Unit Installation CAUTION 1. Install declination of the indoor unit is very important for the drain of the convertible type air conditioner. 2. Minimum thickness of the insulation for the connecting pipe shall be 7mm. 3. If the Installation Plates are fixed to horizontal line, the indoor unit after installing will be declined to the bottomside.
- Page 20 The Indoor Unit Installation • Secure the unit to the Installation Plates with four M8 bolts and washers. • Before working, refer to "Connecting pipe to Indoor Unit" on page 16. • Hook up the Inlet Grille Hook to the cabinet. Inlet hanger •...
- Page 21 The Indoor Unit Installation 2) Installation on the Wall • Select and mark the position for fixing bolts and piping hole. Decide the position for fixing bolts slightly tilted to the drain direction after considering the direction of drain hose. •...
- Page 22 The Indoor Unit Installation Install the Indoor unit onto Installation Plate. • Insert 2 hooks on the both left and right Inner slot side of the unit to the inner slot (wall side) of the Installation Plate. • Secure the unit to the Installation Plate with four M8 bolts and washers.
- Page 23 The Indoor Unit Installation 3) Installation on the floor From the left wall Installation of Mount Bracket. more than 760mm • Select and mark the position for Mount Brackets and the piping hole. From the right wall • Drill the hole for the anchor nut on the wall. more than 840mm •...
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Page 24: Remote Controller Installation
Remote Controller Installation Remote Controller Installation installation of remote control box Install the remote control box and cord correctly. POINT OF REMOTE CONTROLLER INSTALLATION • Although the room temperature sensor is in the indoor unit, the remote control box should be installed in such places away from direct sunlight and high humidity. -
Page 25: Wired Remote Controller Installation
Remote Controller Installation Wired remote controller installation • Since the room temperature sensor is in the remote controller, the remote controller box should be installed in a place away from direct sunlight, high humidity and direct supply of cold air to maintain proper space temperature. -
Page 26: Wiring Connection
Wiring Connection Wiring Connection • Open the control box cover and connect the Remote controller cord and Indoor power wires. Indoor power cord Control box cover Remote [Air inlet side view] controller cord Control box cover screw Terminals on the outdoor unit Terminals on the Indoor Unit 1(L) 2(N) 1(L) -
Page 27: Electrical Wiring
Wiring Connection Electrical Wiring 1. All wiring must comply with LOCAL REGULATIONS. 2. Select a power source that is capable of supplying the current required by the air conditioner. 3. Feed the power source to the unit via a distribution switch board designed for this purpose. 4. -
Page 28: Connecting Pipes To The Indoor Unit
Connecting Pipes to the Indoor Unit Connecting Pipes to the Indoor Unit Preparation of Piping Main cause of gas leakage is defect in flaring work. Carry out correct flaring work in the Copper following procedure. Slanted Uneven Rough tube 90° 1. -
Page 29: Piping Connection
Connecting Pipes to the Indoor Unit Piping Connection 1. Form the piping according to its routing. Avoid bending and bending back the same Liquid side piping point more than three times. (This will result in hardening the pipe.) Indoor 2. After deforming the piping, align centers of unit the union fitting of the indoor unit and the Outdoor... -
Page 30: Installation To Decorative Panel
Installation to Decorative Panel Installation to Decorative Panel The decoration panel has its Before installing the decoration panel, installation direction. always remove the paper template. 1. Temporarily fix two decoration panel fixing screws (hexagon M5 screw) on the unit body. (Tighten by amount 10mm in length.) The fixing screws (hexagon M5 screw) are included the indoor unit box. -
Page 31: Indoor Unit Drain Piping
Indoor Unit Drain Piping CAUTION: Install certainly the decorative panel. Cool air leakage causes sweating. Water drops fall. Good example Bad example Air conditioner unit Air conditioner Cool air leakage unit (no good) Ceiling Ceiling board board Decorative Decorative panel panel Fit the insulator (this part) and be careful for cool air leakage... - Page 32 Indoor Unit Drain Piping Drain test 1. Cassette type The air conditioner uses a drain pump to drain water. Use the following procedure to test the drain pump operation: • Connect the main drain pipe to the exterior and leave it provisionally until the test comes to an end.
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Page 33: Drain Piping
Indoor Unit Drain Piping 3. Convertible type 1. Set the air direction louvers up-and-down to the position(horizontally) by hand. To check the drainage. 1. Pour a glass of water on the evaporator using a kettle. 2. Ensure the water flows through the drain hose of the indoor unit without any leakage and goes out the drain exit. -
Page 34: Heat Insulation
Indoor Unit Drain Piping Heat insulation 1. Use the heat insulation material for the refrigerant piping which has an excellent heat-resistance (over 120°C). 2. Precautions in high humidity Fastening band circumstance: (accessory) This air conditioner has been tested according to the "KS Standard Conditions with Mist"... -
Page 35: Long Pipe Setting
Indoor Unit Drain Piping In cases where the Outdoor unit is Seal a small opening installed above the Indoor unit around the pipings perform the following. with gum type sealer. 1. Tape the piping and connecting cable from down to up. 2. -
Page 36: Test Running
Test running Test running 1. PRECAUTIONS IN TEST RUNNING • The initial power supply must provide at least 90% of the rated voltage. Otherwise, the air conditioner should not be operated. CAUTION For test run, carry out the cooling operation firstly even during heating season. -
Page 37: Hand Over
Test running CAUTIO N: After the confirmation of the above conditions, prepare the wiring as follows: 1) Never fail to have an individual power specialized for the air conditioner. As for the method of wiring, be guided by the circuit diagram pasted on the inside of control box cover. -
Page 38: Optional Operation
Optional Operation Optional Operation 1. Two Thermistor System (1) Open the rear cover of the wired remote-controller to set the mode. (2) Select one of three selectable modes as follows. • Position 1: The room temperature is controlled by the thermistor of the main body. •... - Page 39 Optional Operation 2. Adjusting air volume to the height of ceiling (Cassette type) You can choose the RPM(or air volume) of indoor motor according to the height of ceiling to supply the comfortable atmosphere to consumers. Procedure 1. Choose the selectable position in the table after measuring the height of ceiling. Ceiling height Mode of slide switch Change of air volume...
- Page 40 Optional Operation 3. E.S.P.(External Static Pressure) Setting (Duct type) (1) Open the rear cover of the wired remote-controller to set the mode. (2) Select one of three selectable modes as follows. I Without Zone System 1. Position V-H, F-H: • This position sets the maximum E.S.P as a default set. 2.
- Page 41 Optional Operation 4. How to Set E.S.P? Procedure of RPM change: Ex) External Static pressure is 6mmAq for 36k. • To protect the unit, compressor is designed to be off during E.S.P. setting. Push the "On/Off" button. The unit will start. AUTO SWING OPERATION SET TEMP...
- Page 42 Optional Operation [Table. 1] Static Pressure(mmAq) Model Name Step CMM(CFM) Setting Value High 18(636) 24 k 16.5(583) 14(494) High 26.5(936) 30 k 23(812) 20(706) High 32(1130) 29(1024) 36 k 26.5(936) : 1. Be sure to set the value refering table 1. Unexpected set value will cause mal- Note function.
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Page 43: Installation Guide At The Seaside
3) Select a well-drained place. ❈ 1. If you can’t meet above guide line in the seaside installation, please contact LG Electronics for the additional anticorrosion treatment. 2. Periodic ( more than once/year ) cleaning of the dust or salt particles stuck on the... - Page 44 P/No.: MFL40910603...