Page 4 - Incorrect Handling could result in Serious Injury or Death!
Satety precautions 03 Safety precautions This appliance must be installed by a qualified licensed HVAC technician in accordance with all applicable codes. All electrical connections should be performed by a licensed electrician.Manufacturer's warranty will be voided with failure to comply. Incorrect...
Page 5 - Installation Warnings
Choosing the installation site 04 Choosing the installation site Installation Warnings 1. Carefully read the installation manual before beginning. 2. Follow each step as shown. 3. Observe all local, state and national electric codes. This appliance must be installed by a qualified licensed HVAC tech...
Page 6 - Choosing the installation site; Indoor Unit
05 Choosing the installation site Indoor Unit 1. Install unit where air flow will not be obstructed. 2. The installation location must support the weight of the indoor unit. 3. The site must be easily accessible for maintenance and replacement of the air filter. 4. The installation location must all...
Page 7 - Part list; Tools needs for installation; Number; Part Lists
06 Part list Tools needs for installation 1. Level gauge 2. Screw driver 3. Electric drill 4. Hole core drill (ø55mm / ø70mm) 5. Flaring tool set 6. Specied torque wrenches 7. Spanner (half union)8. A glass of water 9. Hexagonal wrench (4mm) 10. Gas-leak detector 11. Vacuum pump 12. Gauge manifold 1...
Page 8 - Product Description; NOTE
Part list 07 Product Description NOTE All the pictures in this manual are for explanation purposes only. The actual shape of the indoor unit you purchased may be slight different on front panel and display window.The actual shape shall prevail. 15cm above 15cm above Space to the wall Space to obstru...
Page 9 - Wall mounting brackets and dimensions
08 Indoor unit installation Indoor unit installation Wall mounting brackets and dimensions A B Indoor unit outline Wall mounting bracket the ceiling from the wall from the wall Refrigerant pipe 6" or more from 6" or more hole (right) Ø 2.56" 6 " or more 3.39 " 4.21 " ≤12000 B...
Page 10 - Indoor unit installation; Installing the Wall Mounting Bracket; Wall mounting bracket
09 Indoor unit installation 1.97'' 1.97'' 3.94'' 4.88'' ≥28000 Btu's (A:53.15" B:12.83") Refrigerant pipe hole (right) Ø 2.56" from the wall 6" or more Wall mounting bracket the ceiling 6" or more fr om Refrigerant pipe hole (right) Ø 2.56" Indoor unit outline from the wall 6...
Page 11 - Connective pipe and drainage installation
Indoor unit installation 10 Connective pipe and drainage installation Fastening the Indoor Unit Connective pipe 1. For the left-hand and right-hand piping, remove the pipe cover from the side panel. The pipe cover can be kept as it may be used when relocating the air conditioner to any other place. ...
Page 12 - Piping and wrapping; Indoor unit
Indoor unit installation 11 Piping and wrapping 1. Bundle the tubing, connecting cable, and drain hose with tape securely and evenly as shown in the sideward figure. 2. Because the condensed water from rear of the indoor unit is gathered in ponding box and is piped out of room, do not put anything e...
Page 14 - Outdoor unit installation; unit can be properly discharged by drainage pipe.; Chassis
Outdoor unit installation 13 The condensate and defrosting water produced during heating in the outdoor unit can be properly discharged by drainage pipe. Installation method: Insert the drain connection into one of the holes of the chassis and then connect drainage pipe with drain nozzle. Insert dra...
Page 15 - Flaring work; Correct
Refrigerant piping connection 14 Refrigerant piping connection Unit comes with 25' tubing bundle. It is not recommended to cut. If too long, loop for excess. Main cause for refrigerant leakage is due to defect in the flaring work. Carry out correct flaring work using the following procedure: 1. Cut ...
Page 16 - Refrigerant piping connection; Connection Adjustment
Refrigerant piping connection 15 Caution: Excessive twisting may break the nut, depending on the installation conditions. 4. Flaring work. Firmly hold copper pipe in a die in the dimension shown in the table below. Connection Adjustment OUTER A (inch) Max. Min. DIAMETER (inch) 0.051 0.063 0.071 0.09...
Page 17 - Electric safety regulations for the initial installation
16 Electrical work Electrical work Electric safety regulations for the initial installation Connecting (Power and Control Cable) 1. If there is serious safety problem about the power supply, the technicians should refuse to install the air conditioner and explain to the client until the problem is s...
Page 18 - Electrical work; Connect the cable to the indoor unit; Code wire; Cable
Electrical work 17 Connect the cable to the indoor unit 1. The inside and outside connecting cable can be connected without removing the front grille. 2. Connecting cable between indoor unit and outdoor unit shall be approved polychloroprene sheathed flexible type cord. 3. Lift the indoor unit panel...
Page 19 - Connect the cable to the outdoor unit; Cover
Electrical work 18 Connect the cable to the outdoor unit 26000 Btu/h Multi split terminal block Single split terminal block 33400 Btu/h Multi split terminal block 1. Remove the electrical control board cover from the outdoor unit by loosening the screw. 2. Connect the connective cables to the termin...
Page 20 - Caution; Purging the system
Electrical work 19 1. Pressure in the system rises. 2. Operating current rises. 3. Cooling or heating (only for models with heating function) efficiency drops. 4. Moisture in the refrigerant circuit may freeze and block capillary tubing. 5. Water may lead to corrosion of parts in the refrigeration s...
Page 21 - Purging the system with a vacuum pump; Piping length under 16'; Oil trap
Purging the system 20 Purging the system with a vacuum pump 1. Check that each tube (both liquid and gas side tubes) between the indoor and outdoor units have been properly connected and all wiring for the test run has been completed. Remove the service valve caps from both the gas and the liquid si...
Page 22 - the stopper. Do not try to open it further.
Purging the system 21 Caution in handling the packed valve integrated in the outlets of outdoor unit. 1. Operation of opening packed valve: Open the valve stem until it hits against the stopper. Do not try to open it further. 2. Operation of closing packed valve: Securely tighten the valve stem with...
Page 23 - When using the vacuum pump
Purging the system 22 When using the vacuum pump 1. Completely tighten the flare nuts at connection point A, B, C and D. Connect valve core removal tool to the charging port, then connect vacuum hose to valve core tool. Open the schrader valve. Note: The schrader valve is inside the charging port. 2...
Page 24 - Soap water method
Electrical safety & Gas leak check 23 Perform the electric safety check after completing installation: Apply a soap water or a liquid neutral detergent on the indoor unit connection or outdoor unit connections by a soft brush to check for leakage of the connecting points of the piping. If bubble...
Page 25 - connections and electrical safety check.; Initial operation test; function), AUTO and FAN to check if all the functions work well.; Manual control button; OFF
Initial operation test 24 Perform test operation after completing gas leak check at the flare nut connections and electrical safety check. Initial operation test 1. Connect the power, press the ON/OFF button on the remote controller to turn the unit on. 2. Use the MODE button to select COOL, HEAT (O...