Heat Controller DMC24DB-1 - Manuals

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 ...

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...

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...

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

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

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...

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...

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 ...

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...

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...

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...

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.•...

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 ...

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...

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...

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...

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...

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...

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...

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...

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...

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 ...

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 ...

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 ...