LG LMNC182BHA0 Installation Manual

Multi type air conditioner

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Multi Type Air Conditioner

INSTALLATION MANUAL

website http://www.lgservice.com

IMPORTANT

• Please read this installation manual completely before

installing the product.

• When the power cord is damaged, replacement work shall

be performed by authorized personnel only.

• Installation work must be performed in accordance with

the national wiring standards by authorized personnel

only.

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Page 1 website http://www.lgservice.com Multi Type Air Conditioner INSTALLATION MANUAL IMPORTANT • Please read this installation manual completely before installing the product. • When the power cord is damaged, replacement work shall be performed by authorized personnel only. • Installation work must be performed in accordance with the national wiring standards by authorized personnel only.
Page 2: Table Of Contents
Multi Type Air Conditioner Installation Manual TABLE OF CONTENTS Installation Requirements Required Tools Installation Parts ............3 ❏ Level gauge Safety Precautions ............4 ❏ Screw driver ❏ Electric drill ❏ Hole core drill (ø50mm) Installation of Indoor, Outdoor Unit......6 ❏ Horizontal meter Installation ..............10 ❏...
Page 3: Installation Parts
Installation Parts Installation Parts [Wall Mounted /Artcool Mirror Type] Type 1 Type 2 Installation plate Installation plate Type "B" screw Type "B" screw Type "A" screw (6 EA) Type "A" screw (8 EA) Remote control holder Remote control holder [Ceiling Concealed Duct Type] Washer for Clamp Insulation for...
Page 4: Safety Precautions
Safety Precautions Safety Precautions To prevent injury to the user or other people and property damage, the following instructions must be followed. I Incorrect operation due to ignoring instruction will cause harm or damage. The seriousness is classified by the following indications. WARNING This symbol indicates the possibility of death or serious injury.
Page 5 Safety Precautions Be sure the installation area does not Do not let the air conditioner run for a long time when deteriorate with age. the humidity is very high and a door or a window is left open. • If the base collapses, the air conditioner could fall with •...
Page 6: Installation Of Indoor, Outdoor Unit
Installation of Indoor, Outdoor Unit Installation of Indoor, Outdoor Unit Read completely, then follow step by step. Select the best location Indoor unit 1. Do not have any heat or steam near the unit. [Wall Mounted /Artcool Mirror Type] 2. Select a place where there are no obstacles More than in front of the unit.
Page 7 Installation of Indoor, Outdoor Unit [Ceiling Cassette Type] Ceiling Ceiling board Ceiling board 50 or 50 or more more Unit:cm Floor Outdoor unit 1. If an awning is built over the unit to prevent direct sunlight or rain exposure, make sure that heat radiation from the condenser is not more than 300 more than 300...
Page 8 Installation of Indoor, Outdoor Unit Piping length and elevation Multi Piping Type (Unit: m) Total Piping Length Max Piping Length Max Elevation In - In Elevation Capacity(kBtu/h) (A+B) (A/B) (h1) (h2) Distributor Type (Unit: m) Total Piing Length Max Main Total Branch Max Branch Capacity...
Page 9 Installation of Indoor, Outdoor Unit Refrigerant charge The calculation of the additional charge should be taken in account for the length of extra pipe. Multiple Piping Models Additional Standard Piping Max piping for one Max total Piping Capacity (kBtu/h) length(m) room(m) Length(m) Refrigerant(g/m)
Page 10: Installation
Installation Installation [Wall Mounted /Artcool Mirror Type] Connecting the piping 1. Route the indoor tubing and the drain hose in the direction of rear left or right Tape Connecting pipe Drain hose Connecting cable 2. Tape the tubing, drain hose and the connecting cable.
Page 11 Installation I Indoor unit installation on installation plate 1. Hook the indoor unit onto the upper portion of Connecting the installation plate.(Engage the two hooks cable of the rear top of the indoor unit with the upper edge of the installation plate.) Ensure Drain hose that the hooks are properly seated on the installation plate by moving it left and right.
Page 12 Installation 3. Bundle the piping and drain hose together by Wrap with vinyl tape wrapping them with vinyl tape over the range Pipe within which they fit into the rear piping housing section. Vinyl tape(wide) Drain hose CAUTION: Installation Information (For right piping) For right piping, follow the instruction below.
Page 13 Installation I How to fix installation plate Installation Plate The wall you select should be strong and solid enough to prevent vibration 1. Mount the installation plate on the wall with Chassis Hook type "A" screws. If mounting the unit on a concrete wall, use anchor bolts.
Page 14 Installation [Ceiling Concealed Duct Type] Ceiling dimension and hanging bolt location Installation of Unit Install the unit above the ceiling correctly. Case 1-1(High Static Pressure) • Apply a joint-canvas between the unit and duct to absorb unnecessary vibration. POSITION OF SUSPENSION BOLT Unit:mm Dimension Capacity...
Page 15 Installation CASE 2 M10 Nut (Local • Install the unit leaning to a drainage hole side as M10 SP. washer supply) a figure for easy water drainage. M10 washer POSITION OF CONSOLE BOLT M10 washer (Local M10 SP. washer supply) •...
Page 16 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 suspension bolts on the ceiling. Old building New building •...
Page 17 Installation Insulation, others Insulate the joint and tubes completely. THERMAL INSULATION All thermal insulation must comply with local requirement. Union for liquid pipe Thermal insulator for refrigerant pipe (Local supply) Thermal insulator for Refrigerant pipe and thermal piping(Local supply) insulator(Local supply) Hose clip for thermal insulator (Local supply) Overlap with thermal...
Page 18 Installation [Ceiling Cassette Type] Ceiling dimension and hanging bolt location • The dimensions of the paper model for installation are the same as those of the ceiling opening dimensions. 1,030 (Ceiling opening) 923 (Hanging bolt) Ceiling Level gauge CAUTION : •...
Page 19 Installation Ceiling Keep the length of the bolt Hanging bolt from the bracket to 40mm (W3/8 or M10) Flat washer for M10 (W3/8 or M10) (accessory) Air Conditioner body Ceiling board Ceiling board Flat washer for M10 (accessory) Paper pattern Set screw of for installation paper pattern (4 pieces)
Page 20 Installation Installation of Decoration 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 21 Installation Drain Piping [Ceiling Concealed Duct/Ceiling Cassette Type] • Drain piping must have down-slope (1/50 to 1/100): be Upward Pipe clamp sure not to provide up-and-down slope to prevent routing not allowed reversal flow. • During drain piping connection, be careful not to exert Indoor unit extra force on the drain port on the indoor unit.
Page 22 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. INSTALLATION OF THE REMOTE CONTROL BOX ROUTING OF THE REMOTE CONTROL CORD •...
Page 23 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 24: Connecting The Cable Between Indoor Unit And Outdoor Unit
Connecting the Cable between Indoor Unit and Outdoor Unit Connecting the Cable between Indoor Unit and Outdoor Unit Connect the cable to the Indoor unit. Connect the cable to the indoor unit by connecting the wires to the terminals on the control board individually according to the outdoor unit connection.
Page 25 Connecting the Cable between Indoor Unit and Outdoor Unit Connect the cable to the Outdoor unit. 1. Remove the cover control from the unit by Outdoor unit loosening the screw. Terminal block Connect the wires to the terminals on the control board individually as the following.
Page 26: Flaring Work And Connection Of Piping
Flaring Work and Connection of Piping Flaring Work and Connection of Piping Flaring work Main cause for gas leakage is due to defect in flaring work. Carry out correct flaring work in the following procedure. Cut the pipes and the cable. 1.
Page 27 Flaring Work and Connection of Piping Connecting the piping(Distributor Type Only) Outdoor Unit 1. When connecting 9k indoor unit pipe, use the socket provided with the indoor unit to connect to the distributor. 2. Y Branch Y Branch 1) Used when installing 2 distributors. BD Unit 2) Includes Flare type.
Page 28 Flaring Work and Connection of Piping The dimension of the checking hole 1. Do not install the distributor out of the range of the checking hole(1 dotted line). 2. The indicated dimensions are the minimum figure for checking convenience. Line Checking hole line Over 250 Over 500 Over 50...
Page 29 Flaring Work and Connection of Piping Connecting the distribution pipe • Check if the distributor corresponds to the distribution pipe and wiring of each indoor unit for each character(A,B,C,D). • Fit the center of the pipe and securely tighten the flare nut manually. •...
Page 30: Checking The Drainage, Forming The Pipings
Checking the Drainage, Forming the Pipings Checking the Drainage, Forming the Pipings Checking the drainage To check the drainage. 1. Pour 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.
Page 31 Checking the Drainage, Forming the Pipings Forming the piping Form the piping by wrapping the connecting portion of the indoor Seal a small unit with insulation material and Taping opening around the pipings with secure it with two kinds of vinyl Drain hose gum type sealer.
Page 32: Air Purging And Evacuation
Air Purging and Evacuation Air Purging and Evacuation Air and moisture remaining in the refrigerant system have undesirable effects as indicated below. 1. Pressure in the system rises. 2. Operating current rises. 3. Cooling(or heating) efficiency drops. 4. Moisture in the refrigerant circuit may freeze and block capillary tubing. 5.
Page 33 Air Purging and Evacuation Soap water method Outdoor unit 1. Remove the caps from the 2-way and 3-way valves. Gas side piping 2. Remove the service-port cap from the 3-way valve. 3. To open the 2-way valve turn the valve stem 3-way valve Liquid side piping counterclockwise approximately 90°, wait for about...
Page 34: Test Running
Test Running Test Running 1. Check that all tubing and wiring have been properly connected. 2. Check that the gas and liquid side service valves are fully open. Prepare remote control Remove the battery cover by pulling it according to the arrow direction. Insert new batteries making sure that the (+) and (–) of battery are installed correctly.
Page 35: Optional Operation - Duct Types
Optional Operation - Duct Types Optional Operation - Duct Types Group Control It operates maximum 16 Units by only one Wired Remote Controller, and each Unit starts sequentially to prevent overcurrent. Main PCB Indoor Unit 1 Indoor Unit 2 Indoor Unit 16 Terminal(Local Supply) Terminal(Local Supply) Terminal(Local Supply)
Page 36 Optional Operation - Duct Types E.S.P.(External Static Pressure) Setting Open the rear cover of the wired remote-controller to set the mode. 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 37 Optional Operation - Duct Types How to Set E.S.P? Procedure of RPM change: Ex) External Static pressure is 4mmAq for Model Name "LMNH242BHA0" • To protect the unit, compressor is designed to be off during E.S.P. setting. Push the "On/Off" button. The unit will start.
Page 38 Optional Operation - Duct Types [Table. 1] Static Pressure(mmAq) Model Name Step CMM(CFM) Setting Value High 16.5(583) LMNC182BHA0 14.5(512) 13(459) High 20(706) LMNC242BHA0 18(636 16(565) 1. Be sure to set the value refering table 1. Unexpected set value will cause mal- NOTICE function.
Page 39: Combination Of Indoor And Outdoor Unit
Combination of indoor and outdoor unit Combination of indoor and outdoor unit The total capacity index of indoor units is the sum of capacity index of each units and should be within the capacity index of the outdoor unit. Capacity of Outdoor Units (kBtu/h) Description Capacity Model Type...
Page 40: 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 heat exchanger by using water...
Page 41 P/No.: 3828A21026H...

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LG LMNC182BHA0 Installation Manual

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