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PACKAGE AIR CONDITIONERS
INSTALLATION INSTRUCTIONS
• Please read this instruction sheet completely before installing the product.
• When the power cable is wanted to replace, replacement work shall be
performed by authorized personnel only.
• Installation work must be performed in accordance with national wiring standards
by authorized personnel only.
Applied Model:
(1) 28K/30K(Btu/h)
(3) 80K(Btu/h)
(2) 44K/50K(Btu/h)
P/No. : 3A02045N
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Table of Contents
Summary of Contents for AWA 28K
- Page 1 • When the power cable is wanted to replace, replacement work shall be performed by authorized personnel only. • Installation work must be performed in accordance with national wiring standards by authorized personnel only. Applied Model: (2) 44K/50K(Btu/h) (1) 28K/30K(Btu/h) (3) 80K(Btu/h) P/No. : 3A02045N...
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Page 2: Table Of Contents
Contents 1. The following should always be observed for safety ........3 2. Installation of Indoor, Outdoor Unit ..............4 1) Selection of the best location 2) Indoor unit installation 3) Outdoor unit installation 4) Refrigerant amount 3. Installation Method ..................... 7 1) Procedure 2) Preparation of installation parts and tools 4. -
Page 3: The Following Should Always Be Observed For Safety
1. The following should always be observed for safety • Please report to or take consent by the supply authority before connection to the system. • Be sure to read "THE FOLLOWING SHOULD ALWAYS BE OBSERVED FOR SAFETY" before installing the air conditioner. -
Page 4: Installation Of Indoor, Outdoor Unit
2. Installation of Indoor, Outdoor unit 1) Selection of the best location ¤ Indoor unit • There should not be any heat source or steam near the unit. • There should not be any obstacles to prevent the air circulation. 5 c m 5 c m •... - Page 5 Elevation Length Elevation GAS SIDE LIQUID SIDE GAS SIDE LIQUID SIDE A (m) B (m) A (m) B (m) 5/8" 3/8" 5/8" 3/8" 50Hz 50Hz 28K/30K 28K/30K (BTU/h) (BTU/h) 60Hz 60Hz 5/8" 3/8" 5/8" 3/8" 3/4" 3/8" 3/4" 5/8" 50Hz...
- Page 6 (BTU/h) 44K/50 40 per 1m (BUT/h) Core Drill 50 per 1m (BUT/h) Example) 28K/30K In case of 10m long pipe(one-way), the amount of refrigerant to be replenished is: (10 - 5) x 30 = 150g INSIDE OUTSIDE Wall Plastic tube...
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Page 7: Installation Method
3. Installation Method 1) Procedure Installation works Descriptions Preparation of tools and installation parts Preparation of installation Flaring the pipes To insert the flare nuts, mounted on the connection parts of both indoor and outdoor unit, onto the copper pipes. Pipe bending To reduce the flow resistance of refrigerant. - Page 8 2) Preparation of installation parts and tools Installation Parts, Tools Flaring tool (Ø 6,35 - Ø 19,05) Flaring the pipes Remear Remove burrs from cut edges of pipes. Pipe cutter (MAX 35mm Copper pipe) Cutting the pipings Wrench (H5, H4 hexagonal wrench) To open the service valve Pipe bender Bending the pipings...
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Page 9: Piping Of Indoor Unit
4. Piping of Indoor Unit 1) Preparation of piping Pipe cutter ¤ Cut the pipes and the cable Slanted Rough • Use the accessory piping kit or the pipes 90° purchased locally. • Measure the distance between the indoor and the outdoor unit. •... - Page 10 2) Connection of piping ¤ Move the indoor tubing and drain hose to the hole • Remove tubing holder and pull the tubing out of the chassis. ¤ŁReplace the tubing holder into original position ¤ØRoute the tubing and the drain hose staight backwards. ¤ŒInsert the connecting cable into the indoor unit through the hole.
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Page 11: Connecting The Cable To Indoor Unit
5. Connecting the Cable to Indoor Unit The inside and outside connecting cable can be connected after opening the inlet grille. ¤ Open the inlet grille manually. ¤ŁOpen the control cover with Driver(§ § ] ] ). ¤ØConnect the supplied cables to the connector in the control box. -
Page 12: Connecting Piping And The Cable To Outdoor Unit
¤ Open the control board cover from the outdoor unit by removing the screws. ¤ŁConnect wires to the terminals on the control board individually and secure the cables onto the control board with clamp. 1. 28K/30K HEAT PUMP MODEL(With Electric Heater) GREEN/YELLOW BROWN BLUE 1(L) - Page 13 GREEN/YELLOW 3. 28K/30K COOLING MODEL 1(L) 1(L) 2(N) 3 2(N) GREEN/ BROWN BLUE BLACK GREEN/YELLOW YELLOW CLAMP (Ø10.7) POWER SUPPLY TO INDOOR UNIT CONNECTOR GREEN/YELLOW 4. 44K/50K COOLING MODEL 1(L) 2(N) 1(L) 2(N) 3 GREEN/ BROWN BLUE BLACK GREEN/YELLOW YELLOW CLAMP (Ø10.7)
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Page 14: Power Supply And Wiring
The unit is completely wired internally at the UNIT VOLTS cross-sectional area diameter factory according to general rule of electrical 450/750V 4.0mm 13.3mm technology, but local rules, if they are required, 28K/30K 450/750V 2.5mm 11.8mm should be complied with. 450/750V 4.0mm 17.0mm 1) Power supply 44K/50K 450/750V 4.0mm... -
Page 15: Air Purging Of The Piping And Indoor Unit
8. Air Purging of the Piping and Indoor Unit The air which contains moisture and which remains in the Refrigeration cycle may cause a malfunction on the compressor. ¤ Remove the caps from the 3-way(liquid side) and 3-way(gas side) valves. Outdoor unit ¤Ł... - Page 16 ¤ Set the both 3-way(liquid side) and 3-way(gas side) valves to open position with the Hexagonal wrench for the unit operation. ¤ Checking a gas leakage for the left piping. • Connect the manifold gauge to the service port of 3-way(gas side) valve. Measure the pressure.
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Page 17: Checking The Drainage And Form The Piping
9. Checking the Drainage and Form the Piping 1) Checking the Drainage ¤ Remove the inlet grille with your hands as shown (right and left) and pull in the direction indicated by the arrow. ¤Ł Check the drainage • Pour a glass of water into the drain pan. •... - Page 18 2) Form the Piping ¤ Wrap the connecting portion of indoor unit with the insulation material and secure it with two Plastic Bands. (for the right piping) • If you connect an additional drain hose, the Gas side piping end of the drain-outlet should be kept Main cable distance from the ground.
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Page 19: Final Check And Test Run
10. Final Check and Test Run After installing the unit, perform the final check Running test should be accomplished as follows: and running test as follows: Final check points ¤ Set operation switch at "FAN" and the fan will start. Check to ensure that the fan ¤...