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HEAT CONTROLLER, INC.
Wall Mounted
Mini-Split System
Single-Zone
Air Conditioning/Heat Pump
Service Manual
DMC09SB-0/DMH09SB-0
DMC12SB-0/DMH12SB-0
DMC18SB-1/DMH18SB-1
DMC24SB-1/DMH24SB-1
Before servicing the unit, read the
“safety precautions” in this manual.
Only for authorized service personnel.
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Air Conditioner Service Manual TABLE OF CONTENTS Safety Precautions..........................................................................................................................................3 Dimensions......................................................................................................................................................9 Symbols Used in this Manual........................................................................................................
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Safety Precautions 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 classified by the following indications. This symbol indicates the possibility of death or serious injury. This symbol indicates the possibility of injury or damage to properties only. Meanings of symbols used in this manual are as shown below. Be su
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Safety Precautions Be sure the installation area does Install the indoor unit on the wall Do not handle the pipe by your- not deteriorate with age. where the height from the floors self(Costomer) more than 8ft(2.4m) • If the base collapses, the air condi- • There are sharp moving parts that • High-Pressure refrigent may cause tioner could fall with it, causing prop- could cause personal injury. personal injury. erty damage, product failure, and personal injury. 8ft(2.4m) Operation Do not al
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Safety Precautions Stop operation and close any win- Do not open the inlet grill of the When the product is soaked (flood- dow in storm or hurricane before product during operation. (Do not ed or submerged), contact an the hurricane arrives. touch the electrostatic filter, if the Authorized Service Center. unit is so equipped.) • There is risk of property damage, • There is risk of physical injury, elec- • There is risk of electrical shock. failure of product, or electric shock. tric shock, o
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Safety Precautions Installation Always check for gas(refrigerant) Install the drain hose to ensure that Keep level even when installing the leakage after installation or repair water is drained away properly. product. of product. • Low refrigerant levels may cause • A bad connection may cause water • To avoid vibration or water leakage. product failure. leakage. 90˚ Do not install the product where Use two or more people to lift and Do not install the product where it the noise or hot air f
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Safety Precautions Use a soft cloth to clean. Do not touch the metal parts of the Do not step on or put anything on Do not use harsh detergents, sol- product when removing the air fil- the product. (outdoor unit) vents, etc. ter. They are very sharp! • There is risk of fire, electric shock or • There is risk of personal injury. • There is risk of personal injury and damage to the plastic parts of the failure of product. product. Always insert the filter securely. Do not drink the water drained
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Dimensions Dimensions Indoor Unit H D W Installation plate Model 9 Btu Series 9 Btu Series 12 Btu Series (C/O) (H/P) Dimension W mm(inch) 840(33.1) 894(35.2) 894(35.2) H mm(inch) 270(10.6) 295(11.6) 295(11.6) D mm(inch) 153(6.0) 165(6.5) 165(6.5) 8 Room Air Conditioner
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Dimensions H D W Installation plate Model 18 Btu Series 24 Btu Series Dimension W mm(inch) 1090(42.9) 1090(42.9) H mm(inch) 300(11.8) 300(11.8) D mm(inch) 178(7.0) 178(7.0) Service Manual 9
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Dimensions Outdoor Unit 1. 9k, 12k L2 W L3 Gas side (3-way valve) Liquid side (2-way valve) MODEL 9k, 12k DIM unit W mm(inch) 770(30.3) H mm(inch) 540(21.3) D mm(inch) 245(9.6) L1 mm(inch) 287(11.3) L2 mm(inch) 64(2.5) L3 mm(inch) 518(20.4) L4 mm(inch) 10(0.4) L5 mm(inch) 100(3.9) 10 Room Air Conditioner H L1 D L4 L5
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Dimensions 2. 18k, 24k W L6 L5 L7 L8 MODEL 18k, 24k DIM W mm(inch) 870(34.3) H mm(inch) 655(25.8) D mm(inch) 320(12.6) L1 mm(inch) 370(14.6) L2 mm(inch) 25(1.0) L3 mm(inch) 630(24.8) L4 mm(inch) 25(1.0) L5 mm(inch) 546(21.5) L6 mm(inch) 162(6.4) L7 mm(inch) 162(6.4) L8 mm(inch) 54(2.1) L9 mm(inch) 74.5(2.9) L10 mm(inch) 79(3.1) Service Manual 11 H L4 L3 L2 D L10 L9 L1
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Introduction Introduction Symbols Used In This Manual This symbol alerts you to the risk of electric shock. This symbol alerts you to hazards that may cause harm to the air condi- tioner. This symbol indicates special notes. NOTICE Features Air Inlet Front Panel Air Filter Signal Receptor Air Intake Vents Connecting Wires Connecting Wires Air Intake Vents Piping Piping Air Outlet Drain Hose Vents Drain Hose Air Outlet Vents Base Plate Base Plate 12 Room Air Conditioner
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Introduction Installation Read carefully, and then follow step by step. Installation Parts Installation plate Type "A" screw and plastic anchor Type "B" screw Remote Control Holder Installation Tools Figure Name Figure Name Screw driver Ohmmeter Electric Drill Hexagonal wrench Measuring Tape, Knife Ammeter Hole Core Drill Gas Leak Detector Thermometer, Spanner Level Torque wrench Flaring Tool Set Service Manual 13
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Installation Installation Map NOTICE Installation parts you should purchase. Installation plate Sleeve Bushing-Sleeve Putty(Gum Type Sealer) Bend the pipe as closely on the wall as possible, but be careful that it doesn't break. Air Discharge Operation Indication Lamps/ Vinyl tape (Wide) Signal Receptor • Apply after carrying out a drainage test. Forced Operation Button • To carry out the drainage test, remove the air filters Saddle and pour water into the heat exchanger. Gas sid
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Installation Confirm The Refrigerant 1. Check the quality label on the indoor and outdoor unit. 2. Make certain that the refrigerant is R-410A. NOTICE THIS PRODUCT CONTAINS R-410A REFRIGERANT 1) Different compressor oil - R-410A(Polyol ester) / R-22(Mineral). - Do not mix the existing mineral oil. - Do not apply used pipe, tools and gauges covered with the existing mineral oil. 2) Absorption of moisture -Compressor’s oil has the high absorption rate of moisture. 3) Composition - R-410A(R32:R125=
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Installation Select The Best Location 6. Use a stud finder to locate studs to prevent Indoor unit unnecessary damage to the wall. 1. Do not have any heat or steam near the unit. 2. Select a place where there are no obstacles in front of the unit. More than 3. Make sure that condensation drainage can be 12cm(4.7in) More than conveniently routed away. 30cm(11.8in) 4. Do not install near a doorway. More than 30cm(11.8in) 5. Ensure that the space around the left and right More than 2.4meters(8ft)
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Installation Piping Length And Elevation Standard Max. Max. Pipe Size Capacity Additional Refrigerant Length Elevation length g/m(oz/ft) (Btu/h) Suction Evap m(ft) B m(ft) A m(ft) 3/8" 1/4" 7.5(25) 7.5(25) 15(49) 20(0.22) 9k 1/2" 1/4" 7.5(25) 7.5(25) 15(49) 20(0.22) 12k 1/2" 1/4" 7.5(25) 7.5(25) 15(49) 20(0.22) 1/2" 1/4" 7.5(25) 15(49) 30(98) 20(0.22) 18k 5/8" 1/4" 7.5(25) 7.5(25) 15(49) 20(0.22) 24k 5/8" 1/4" 7.5(25) 7.5(25) 15(49) 20(0.22) Outdoor unit Outdoor unit A Oil trap Indoor unit Indo
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Installation How To Mount Installation Plate The wall you select should be strong and solid enough Installation Plate to prevent vibration 1. Mount the installation plate on the wall with type "A" screws. If mounting the unit on a concrete wall, use anchor bolts. Chassis • Mount the installation plate horizontally by aligning the Hook centerline using a level. Type “A” 2. Measure the wall and mark the centerline. It is also important to use caution concerning the location of the instal- lation
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Installation Flaring Work Main cause for gas leakage is due to defect in flaring work. Carry out correct flaring work in the follow- ing procedure. Cut the pipes and the cable. 1. Use the piping kit accessory or the pipes purchased locally. Copper 2. Measure the distance between the indoor and the out- pipe Slanted Uneven Rough 90° door unit. 3. Cut the pipes a little longer than measured distance. 4. Cut the cable 1.5m(59.1in) longer than the pipe length. Burrs removal Pipe 1. Completely rem
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Installation Connecting The Piping Indoor 1. Prepare the indoor unit's piping and drain hose for installation through the wall. 2. Remove the plastic tubing retainer(see the illus- tration by) and pull the tubing and drain hose away from chassis. 3. Replace only the plastic tubing holder 1, not the holder 2 in the original position. For left rear piping Route the indoor tubing and the drain 1 2 hose in the direction of rear left. Connecting cable Insert the connecting cable into the indoor unit
