Page 2 - TABLE OF CONTENTS
2 Multi type Air Conditioner Multi type Air Conditioner Service Manual TABLE OF CONTENTS Combination table .......................................................................................................................................3Safety Precautions .........................................
Page 3 - Service Manual 3; This symbol alerts you to the risk of electric shock.; Symbols Used in this Manual; Combination table
Service Manual 3 Operation 1 Unit 2 Unit Combination of Indoor Unit(kBtu/h) Cooling Each Capacity Unit-A Unit-B UNIT-A(Btu/h) UNIT-B(Btu/h) Total Btu/h kW UNIT-A(Btu/h) UNIT-B(Btu/h) Btu/h kW Total Capacity Each Capacity Total Capacity Heating 12 12 12 12 24 12000 12000 - 12000 12000 24000 12000 240...
Page 4 - Safety Precautions; This symbol indicates the possibility of death or serious injury.; WARNING; Installation; Be sure to follow the instruction.
4 Multi type Air Conditioner Safety Precautions Safety Precautions To prevent injury to the user or other people and property damage, the following instructions mustbe followed. ■ Incorrect operation due to ignoring instruction will cause harm or damage. The seriousness isclassified by the following...
Page 5 - Gasolin
Service Manual 5 Safety Precautions Do not install, remove, or re-install the unit by yourself(customer). • There is risk of fire, electric shock, explosion, or injury. Be cautious when unpackingand installing the product. • Sharp edges could cause injury. Be especially careful of the caseedges and ...
Page 7 - CAUTION
Service Manual 7 Safety Precautions When the product is not to be used for a long time,disconnect the power by turning off the breaker. • There is risk of product damage or failure, or unintend- ed operation. Take care to ensure that nobody could step onor fall onto the outdoor unit. • This could re...
Page 8 - Operational; Wa
8 Multi type Air Conditioner Safety Precautions Do not expose the skin direct-ly to cool air for long periodsof time. (Don't sit in the draft.) • This could harm to your health. Do not use the product forspecial purposes, such aspreserving foods, works ofart, etc. It is a consumer airconditioner, no...
Page 10 - Dimensions; Indoor Unit; Split Type Indoor; Model
10 Multi type Air Conditioner Dimensions Dimensions Indoor Unit Split Type Indoor Installation plate D H W W mm(in) 895(35.2) H mm(in) 282(11.1) D mm(in) 165(6.5) Model Dimension Split Type(SE) 12 kBtu/h
Page 11 - Service Manual 11; Outdoor Unit
Service Manual 11 Outdoor Unit W D L1 L2 L4 L3 H L7 L5 L6 W mm(in) 870(34.3) H mm(in) 800(31.5) 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) UE1 24kBtu/h MODEL DIM Dimensions
Page 12 - Product Specifications; Operation
12 Multi type Air Conditioner Product Specifications Product Specifications DMC24DB-1 23,600/24,000 11,800/12,000 208/230V - - 2.4(0.085) 1.2(0.042) at 230V 1Ø, 208/230V, 60Hz Indoor – 9.4(331.9) Outdoor 53(1871.8) Indoor – 36/32/29 at 230V Outdoor 54 2,390/2,390 1,420/1,420 - - 10.1/10.1 6.3/6.3 20...
Page 14 - Installation Parts; Read carefully, and then follow step by step.
14 Multi type Air Conditioner Installation Installation Type "A" screw and plastic anchor Type "B" screw Remote Control Holder Installation plate Figure Figure Name Screw driver Electric Drill Measuring Tape, Knife Hole Core Drill Spanner Torque wrench Ohmmeter Hexagonal wrench Ammet...
Page 15 - Indoor unit; Select the best location
Service Manual 15 Installation Indoor unit 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. 3. Make sure that condensation drainage can be conve- niently routed away. 4. Do not install near a doorway. 5. Ensure the spaces indicated ...
Page 16 - Multi Piping Type; Piping length and elevation
16 Multi type Air Conditioner Installation Multi Piping Type Piping length and elevation 24k 30m(100ft) 15m(50ft) 3m(10ft) 7.5m(25ft) 7.5m(25ft) Capacity(Btu/h) Max total length of all pipes (A+B) Max length of each pipe (A/B) Min length of each pipe (A/B) Max Elevationbetween each indoor unit and o...
Page 18 - Flaring work; Cut the pipes and the cable.; Flaring Work and Connection of Piping
18 Multi type Air Conditioner 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. 2. Mea...
Page 19 - Check; Connecting the Piping; For right rear piping
Service Manual 19 Flaring Work and Connection of Piping Check 1. Compare the flared work with the figure by. 2. If a flared section is defective, cut it off and do flaring work again. Indoor 1. Prepare the indoor unit's piping and drain hose for installation through the wall. 2. Remove the plastic t...
Page 23 - HOW TO MOUNT ONTO A WALL; HOW TO INSERT BATTERIES
Service Manual 23 Flaring Work and Connection of Piping Remove the battery cover from the remote con-troller.• Slide the cover according to the arrow direction. Insert the two batteries.• Be sure that the (+) and (-) directions are correct.• Be sure that both batteries are new. Re-attach the cover.•...
Page 24 - 4 Multi type Air Conditioner; Outdoor; Outside diameter
24 Multi type Air Conditioner Outdoor Align the center of the pipings and sufficiently tighten the flarenut by hand. Finally, tighten the flare nut with torque wrench until thewrench clicks. • When tightening the flare nut with torque wrench, ensure the direction for tightening follows the arrow on ...
Page 25 - Connect the cable to the Indoor unit.; trol box panel by using tie wrap as the fixture.; Connecting the Cable between Indoor Unit and Outdoor Unit
Service Manual 25 Flaring Work and Connection of Piping Connect the cable to the indoor unit by connecting the wires to the terminals on the control board individuallyaccording to the outdoor unit connection. (Ensure that the color of the wires of the outdoor unit and the terminal No. arethe same as...
Page 26 - 6 Multi type Air Conditioner; Connect the cable to the Outdoor unit.
26 Multi type Air Conditioner Connect the cable to the Outdoor unit. 1. Remove the cover control from the unit by loosening the screw.Connect the wires to the terminals on the control boardindividually as the following. 2. Secure the cable onto the control board with the holder (clamper). 3. Refix t...
Page 27 - WARNING: Loose wiring may cause the termi-; How to connect wiring to the terminals; Connection method of the connecting cable(Example); High voltage; Strand wire
Service Manual 27 Connecting the Cable between Indoor Unit and Outdoor Unit (1) Remove two-caps on the conduit panel.(2) Make a hole appropriate for the passage of connection cable through on cap by tool.(for low voltage line) (3) Pass the connecting cable through the hole.(4) Properly connect the c...
Page 28 - 8 Multi type Air Conditioner; Connect the cable to the indoor unit
28 Multi type Air Conditioner Connect the cable to the indoor unit CAUTION: Provide a circuit breaker between power source and the unit as shownbelow. Air Conditioner Circuit BreakerUse a circuitbreaker or timedelay fuse. Main power source Model 24k 1Ø, 230/208V Per max. fuse size on unit name plate...
Page 29 - Checking the drainage; To check the drainage.; Drain piping; Checking the Drainage, Forming the Pipings and Long Pipe Setting
Service Manual 29 Checking the Drainage, Forming the Pipings and Long Pipe Setting 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. Drain pipin...
Page 30 - Forming the piping
30 Multi type Air Conditioner Checking the Drainage, Forming the Pipings and Long Pipe Setting Forming the piping Form the piping by wrapping the con-necting portion of the indoor unit withinsulation material and secure it withtwo kinds of vinyl tape. • If you want to connect an additional drain hos...
Page 31 - : Leakage test shoud be done for each indoor; Checking method; Air Purging and Evacuation
Service Manual 31 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...
Page 32 - Finishing the job; Evacuation
32 Multi type Air Conditioner Checking the Drainage, Forming the Pipings and Long Pipe Setting 1. Connect the charge hose end described in the preceding steps to the vacuum pump to evacuate the tubing andindoor unit.Confirm the "Lo" knob of the manifold valve is open. Then,run the vacuum pum...
Page 33 - Charging
Service Manual 33 Charging ■ Each outdoor unit is factory charged (nameplate charge) for the evaporator as well as a 7.5m(25ft) line set for each indoorline. Any time total line set is used either shorter or longer then the nominal 22.5m(75ft: for tri-zone) line set length the refrigerantcharge has ...
Page 34 - 4 Multi type Air Conditioner; ) Prepare remote controller; Split Type; Test Running
34 Multi type Air Conditioner 1. Check that all tubing and wiring have been properly con- nected. 2. Check that the gas and liquid side service valves are fully open. 1) Prepare remote controller Remove the battery cover by pulling it according tothe arrow direction.Insert new batteries making sure ...
Page 35 - MAIN UNIT FUNCTION; • DISPLAY; Operation Indicator; Cooling Mode Operation; Function of control
Service Manual 35 Operation 1. MAIN UNIT FUNCTION • DISPLAY Operation Indicator • On while in appliance operation, off while in appliance pause• Flashing while in disconnection or short in Thermistor (3 sec off / 0.5 sec on) Sleep Timer Indicator • On while in sleep timer mode, off when sleep timer ...
