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Summary of Contents for LG HEAT CONTROLLER A-DMC24CA-1
- Page 1 This Owner's Manual is provided and hosted by Appliance Factory Parts. LG A-DMC24CA-1 Owner's Manual Shop genuine replacement parts for LG A-DMC24CA-1 Find Your LG Air Conditioner Parts - Select From 2328 Models -------- Manual continues below --------...
- Page 2 Ceiling Cassette Type DMC24CA-1, DMC36CA-1 Single-Zone Air Conditioning...
- Page 3 Cassette Type 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 Ceiling opening • Hanging Bolt •...
- Page 4 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 Do not modify or extend the power cable. Be cautious when unpacking and installing the product. • There is risk of fire or electric shock. • Sharp edges could cause injury. Be especially careful of the case edges and the fins on the condenser and evaporator.
- Page 6 Safety Precautions CAUTION I Installation Always check for gas (refrigerant) leakage after Install the drain hose to ensure that water is installation or repair of product. drained away properly. • Low refrigerant levels may cause failure of • A bad connection may cause water leakage. product.
- Page 7 Installation of Indoor, Outdoor Unit Installation of Indoor, Outdoor Unit Selection of the best location 1. Indoor unit • There should not be any heat source or steam near the unit. • There should not be any obstacles to prevent the air circulation. Ceiling Ceiling Board Ceiling Board...
- 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 1/2"(12.7mm) 1/4"(6.35mm) 7.5(25') 30(100') 5(16') 15(50') 20(0.22 oz./ft.) 34k Btu/h 5/8"(15.88mm) 1/4"(6.35mm) 7.5(25') 35(115') 5(16')
- Page 9 Ceiling opening dimensions and hanging bolt location Ceiling opening dimensions and hanging bolt location • The dimensions of the paper model for installing are the same as those of the ceiling opening dimensions. • Select and mark the position for fixing bolts 900(35.4) (ceiling opening) 840(33.1) and piping hole.
- Page 10 The Indoor Unit Installation The Indoor Unit Installation Ceiling Keep the length of the bolt Hanging bolt from the bracket to 40mm(1.57inch) (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...
- Page 11 Remote Controller Installation Wired Remote Control Installation DISASSEMBLING • Separate the under plate from Remote control box. Front case Lever carefully Remote control • Fix the cord clamps on the wall by the box open box body using a screw ø...
- Page 12 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 controller [Air inlet side view] cord Control box cover screw 24k/34k Btu/h (1Ø) •...
- Page 13 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 14 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 15 Connecting Pipes to the Indoor Unit Piping Connection 1. Form the piping according to its routing. Avoid bending and bending back the same piping point Liquid side more than three times. (This will result in hardening the pipe.) Indoor unit 2.
- Page 16 Installation to Decorative Panel Installation to Decorative Panel The decorative panel has its installation Before installing the decorative panel, direction. always remove the paper template. 1. Temporarily fix two decorative panel fixing screws (hexagon M5 screw) on the unit body. (Tighten by amount 10mm(0.39inch) in length.) The fixing screws (hexagon M5 screw) are included the decorative panel box.
- Page 17 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 18 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(248°F) ). 2. Precautions in high humidity Fastening band circumstance: (accessory) This air conditioner has been tested according to the "KS Standard Conditions with Mist"...
- Page 19 Indoor Unit Drain Piping In case of the Outdoor Unit being installed Seal a small opening above position of the Indoor Unit. around the pipings with gum type sealer. 2. Tape the Pipings and Connecting cable from bottom to top. Trap 3.
- Page 20 Test running Test running 1. PRECAUTIONS IN TEST RUN • 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 21 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 22 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 themperature is controlled by the thermistor of the wired remote- controller, control the temperature according to the position of wired remote- controller.
- Page 23 Optional Operation 2. Adjusting air volume to the height of ceiling 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 24 Optional Operation 3. Group Control(Optional Wiring) • You can use a group control operation after connecting the brown and yellow wire of each air-conditioner. • Remove the resistor "OP 7" in remote controller. • It operates maximum 16 Units by only one Wired Remote Controller, and each Unit starts sequentially to prevent overcurrent.
- Page 25 Specifications and performance data subject to change without notice. HEAT CONTROLLER, INC. 1900 WELLWORTH AVENUE • JACKSON, MICHIGAN 49203 THE QUALITY LEADER IN CONDITIONING AIR P/No. : 3828A10001Z...