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HEAT CONTROLLER, INC.
Wall Mounted
Multi-Split System
Air Conditioning/Heat Pump
DMH18DB-1
Before servicing the unit, read the
“safety precautions” in this manual.
Only for authorized service personnel.
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Multi type Air Conditioner Service Manual TABLE OF CONTENTS Combination table.......................................................................................................................................3 Safety Precautions......................................................................................................................................4 Dimensions..........................................................................................................................
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Combination table Combination table Cooling Heating Combination of Indoor Unit(kBtu/h) Operation Each Capacity Total Capacity Each Capacity Total Capacity Unit-A Unit-B Total UNIT-A(Btu/h) UNIT-B(Btu/h) Btu/h kW UNIT-A(Btu/h) UNIT-B(Btu/h) Btu/h kW 9 9 9000 - 9000 2.63 9000 - 9000 2.63 1 Unit 99 18 9000 9000 18000 5.27 9000 9000 18000 5.27 2 Unit Notes : 1.Cooling Capacity is based on : indoor temp. 26.7°C(80.1°F)DB, 19.4°C(66.9°F)WB; outdoor temp. 35°C(95°F)DB, 23.9°C(75°F)WB 2.Heating Capacity
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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. WARNING CAUTION This symbol indicates the possibility of injury or damage to properties only. Meanings of symbols used in this manual are as s
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Safety Precautions Do not install, remove, or re- Be cautious when unpacking For installation, always con- install the unit by yourself and installing the product. tact the dealer or an (customer). Authorized Service Center. • There is risk of fire, electric shock, • Sharp edges could cause injury. • There is risk of fire, electric shock, explosion, or injury. Be especially careful of the case explosion, or injury. edges and the fins on the con- denser and evaporator. Do not install the produ
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Safety Precautions When flammable gas leaks, If strange sounds, or smoke Stop operation and close the turn off the gas and open a comes from product. Turn the window in storm or hurricane. window for ventilation before breaker off. If possible, remove the prod- turn the product on. uct from the window before the hurricane arrives. • Do not use the telephone or turn • There is risk of electric shock or • There is risk of property damage, switches on or off. There is risk of fire. failure of pr
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Safety Precautions When the product is not to be used for a long time, Take care to ensure that nobody could step on disconnect the power by turning off the breaker. or fall onto the outdoor unit. • There is risk of product damage or failure, or unintend- • This could result in personal injury and product dam- ed operation. age. CAUTION Installation Always check for gas (refrigerant) leak- Install the drain hose to ensure that Keep level even when age after installation or repair of product.
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Safety Precautions Operational Do not expose the skin direct- Do not use the product for Do not block the inlet or outlet ly to cool air for long periods special purposes, such as of air flow. of time. preserving foods, works of (Don't sit in the draft.) art, etc. It is a consumer air conditioner, not a precision refrigeration system. • This could harm to your health. • There is risk of damage or loss of • It may cause product failure. property. Use a soft cloth to clean. Do Do not touch th
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Safety Precautions Use a firm stool or ladder when cleaning or Replace the all batteries in the remote control maintaining the product. with new ones of the same type. Do not mix old and new batteries or different types of bat- teries. • Be careful and avoid personal injury. • There is risk of fire or explosion Do not recharge or disassemble the batteries. If the liquid from the batteries gets onto your Do not dispose of batteries in a fire. skin or clothes, wash it well with clean water. Do n
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Dimensions Dimensions Indoor Unit Split Type Indoor H D W Installation plate Model Split Type(S4) 9 kBtu/h Dimension W mm(in) 870(34.2) H mm(in) 270(10.6) D mm(in) 153(6) 10 Multi type Air Conditioner
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Dimensions Outdoor Unit W L6 L5 L7 MODEL UE 18kBtu/h DIM W mm(in) 870(34.3) H mm(in) 655(25.8) D mm(in) 320(12.6) L1 mm(in) 370(14.6) L2 mm(in) 25(1.0) L3 mm(in) 775(30.5) L4 mm(in) 25(1.0) L5 mm(in) 546(21.5) L6 mm(in) 160(6.3) L7 mm(in) 160(6.3) Service Manual 11 H L4 L3 L2 D L1
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Product Specifications Product Specifications Outdoor Unit A-DMH18DB-1 Nominal Capacity Cooling kW 5.27 (Min~Rating~Max) Btu/h 18000 Heating kW 5.27 Btu/h 18000 Nominal Input Cooling kW 1.98 (Min~Rating~Max) Heating kW 1.96 Testing Combination A2NH093GCA0 Running Current(Rating) Cooling A 8.8 Heating A 8.6 Starting Current Cooling/Heating A 13 Power Supply Ø / V / Hz 1/208~230/60 2 Power Supply Cable(Outdoor) No. x mm 3*2.5 Power and Transmission Cable 2 No. x mm 4*0.75 (Outdoor to Indoor or O
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Product Specifications Indoor Unit B-DMH18DB-1 Power Supply Ø / V / Hz 1/208~230/60 Cooling Capacity kW 2.63 Btu/h 9000 Heating Capacity kW 2.63 Btu/h 9000 Current Nominal Running Current A 0.5 Fan Motor Type BLDC Fan Type Cross Flow fan Motor Output(W) x No. of Unit 15*1 Air Flow Rate CMM 7 (H / M / L) cfm 247.1 External Static Pressure mmAq - Capacitor µF / Vac - Drive Direct drive Coil Row x Column x FPI 2*15*20 Dimensions (W x H x D) Body mm(inch) 870*270*153(34.2*10.6*6) Decorative Panel m
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Installation 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 14 Multi type Air Conditioner
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Installation Select the best location Indoor unit 1. Do not have any heat or steam near the unit. More than 30cm 2. Select a place where there are no obstacles in front (11.8 inch) More than 20cm of the unit. (7.9 inch) 3. Make sure that condensation drainage can be conve- niently routed away. 4. Do not install near a doorway. 5. Ensure the spaces indicated by arrows from the wall, ceiling, fence or other obstacles. More than 30cm (11.8 inch) 6. Use a stud finder to locate studs to prevent unne
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Installation Piping length and elevation Multi Piping Type Max Elevation Max elevation Max total length of Max length of each Min length of each between each Capacity(Btu/h) between indoor all pipes (A+B) pipe (A/B) pipe (A/B) indoor unit and out- units (h2) door unit (h1) 18k 30m(100ft) 15m(50ft) 5m(16ft) 7.5m(25ft) 7.5m(25ft) Pipe Size Indoor Capacity (Btu/h) Gas Liquid Standard Length Additional Refrigerant 9k 9.52mm(3/8") 6.35mm(1/4") 7.5m(25ft) 20g/m(0.22oz/ft) A h2 B h1 h1 B CAUTION: Capac
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Installation Fixing Installation Plate The wall you select should be strong and solid enough to prevent vibration Installation Plate 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 Hook the centerline using a level. Type "A" screw 2. Measure the wall and mark the centerline. It is also important to use caution concerning the location of the installation pl
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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. Use the piping kit accessory or the pipes purchased locally. Copper Slanted Uneven Rough pipe 2. Measure the distance between the indoor and the out- 90° door unit. 3. Cut the pipes a little longer than measured distance. 4. Cut the cable 1.5m (5.0ft) long
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Flaring Work and Connection of Piping Check 1. Compare the flared work with the figure. Smooth all round Inside is shiny without scratches 2. If a flared section is defective, cut it off and do flaring work again. = Improper flaring = Inclined Surface Cracked Uneven damaged thickness Even length all round 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 illustra- tion) and pull the tub
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Flaring Work and Connection of Piping 4. Indoor unit installation Hook the indoor unit onto the upper portion of the Connecting installation plate.(Engage the two hooks of the rear cable top of the indoor unit with the upper edge of the installation plate.) Ensure that the hooks are properly Drain hose seated on the installation plate by moving it left and right. Press the lower left and right sides of the unit against the installation plate until the hooks engage into their slots(clicking sound
