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Summary of Contents for Acson A5WCP0570A-FS
- Page 1 WATER COOLED SELF-CONTAINED AIR-CONDITIONER INSTALLATION, OPERATION, MAINTENANCE IOM NO: O-WCP15-DEC20-1 Scan QR code to download the latest version of IOM...
- Page 2 Acson makes no commitment to update or provide current information automatically to the manual owner. Updated manuals, if applicable, can be obtained by contacting the nearest Acson Service office. Operating/service personnel maintain responsibility for the applicability of these documents to the equipment. If there...
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Page 3: Table Of Contents
5.1.6 Outline A5WCP0280A-FS ....................... 18 5.1.7 Outline A5WCP0320A-FS ....................... 19 5.1.8 Outline A5WCP0360A-FS ....................... 20 5.1.9 Outline A5WCP0400/520A-FS ....................21 5.1.10 Outline A5WCP0570A-FS ..................... 22 5.1.11 Outline A5WCP0710A-FS ..................... 23 5.1.12 Outline A5WCP0870A-FS ..................... 24 5.1.13 Outline A5WCP0940A-FS ..................... 25 5.2 DUCTING ............................. - Page 4 Table 6: Minimum Straight Duct Length ..................28 5.6 Fan Curve............................. 29 5.6.1 Fan Curve AT 9-9 ........................29 5.6.2 Fan Curve AT 15-15 ....................... 30 5.6.2 Fan Curve AT 18-18 ....................... 31 5.6.2 Fan Curve ADH-450 ......................32 5.6.2 Fan Curve ADH-500 ......................33 5.6.2 Fan Curve ADH-560 ......................
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Page 5: Introduction
The water cooled self-contained air conditioner is the ultimate solution addressing the energy efficiency, reliability, indoor air quality, and sound concerns for commercial, industrial and institutional buildings. Acson offers a simple system design, increases system redundancy by providing individual air conditioning systems per floor, lowers maintenance costs, eases operation and maintenance, and provides the lowest life cycle cost available. -
Page 6: Installation
2.0 INSTALLATION The unit is designed for indoor installation only. Installation of this unit must conform to local building codes and/or regulation. The unit shall be operated according the limit specified in Table 1. Table 1: Unit Operating Limit MAXIMUM WORKING SAFETY PRESSURE CONDENSER TEST PRESSURE (UNIT) -
Page 7: Rigging And Unit Handling
Units are shipped with a protective covering, which should remain in place while the unit is being moved to its final location. Unit weights are listed in Table These weights must be referred to when selecting a crane for rigging. Contact your Acson Sales Office if you have any questions regarding unit weights. Table 3: Unit Weight MODEL SHIPPING... -
Page 8: Accoustical Consideration
The following guidelines should be used to select a suitable location for the unit lifting: 1. Determine the approximate center of gravity for lifting safety before lifting the unit. 2. Always test-lift the unit to determine the exact unit balance and stability before hoisting it to the installation location. -
Page 9: Specifications
5.0 SPECIFICATIONS Table 4: : : : Specification A5WCP0060~940 Model 16.9 25.6 38.8 Cooling Length for 1068 1410 1486 1486 1576 PU 1in (2in) (1118) (1460) (1536) (1536) (1626) Width for 1176 PU 1in (2in) (620) (620) (815) (815) (1226) Height for 1755 1814... - Page 10 Table 4: …Continue Model 83.4 104.6 117.4 152.1 166.5 205.4 252.7 Cooling 356.9 400.5 518.9 568.3 700.7 862.2 931.4 Length for PU 1576 1859 1859 2691 2691 2691 3281 3281 3391 1in (2in) (1626) (1909) (1909) (2741) (2741) (2741) (3331) (3331) (3441) Width for PU...
- Page 11 Table 5: Performance Table A5WCP0060~940 ON COIL WATER OUTLET TEMPERATURE ( SOUND Wet Bulb Rated at ESP Bulb 250Pa Model Total Sensible Total Total Sensible Total Total Sensible Total SPLw Cooling Capacity Power Cooling Capacity Power Cooling Capacity Power dB(A) dB(A) Capacity (MBH)
- Page 12 Table 5: … Continue ON COIL WATER OUTLET TEMPERATURE ( SOUND Wet Bulb Rated at ESP Bulb 250Pa Model Total Sensible Total Total Sensible Total Total Sensible Total SPLw Cooling Capacity Power Cooling Capacity Power Cooling Capacity Power dB(A) dB(A) Capacity (MBH) Input...
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Page 13: Unit Dimension
5.1 UNIT DIMENSION 5.1.1 Outline A5WCP0060A-FP/FS... -
Page 14: Outline A5Wcp0090A-Fp/Fs
5.1.2 Outline A5WCP0090A-FP/FS... -
Page 15: Outline A5Wcp0140A-Fp/Fs
5.1.3 Outline A5WCP0140A-FP/FS... -
Page 16: Outline A5Wcp0180A-Fp/Fs
5.1.4 Outline A5WCP0180A-FP/FS... -
Page 17: Outline A5Wcp0240A-Fs
5.1.5 Outline A5WCP0240A-FS... -
Page 18: Outline A5Wcp0280A-Fs
5.1.6 Outline A5WCP0280A-FS... -
Page 19: Outline A5Wcp0320A-Fs
5.1.7 Outline A5WCP0320A-FS... -
Page 20: Outline A5Wcp0360A-Fs
5.1.8 Outline A5WCP0360A-FS... -
Page 21: Outline A5Wcp0400/520A-Fs
5.1.9 Outline A5WCP0400/520A-FS... -
Page 22: Outline A5Wcp0570A-Fs
5.1.10 Outline A5WCP0570A-FS... -
Page 23: Outline A5Wcp0710A-Fs
5.1.11 Outline A5WCP0710A-FS... -
Page 24: Outline A5Wcp0870A-Fs
5.1.12 Outline A5WCP0870A-FS... -
Page 25: Outline A5Wcp0940A-Fs
5.1.13 Outline A5WCP0940A-FS... -
Page 26: Ducting
5.2 DUCTING Supply Air For connection of supply ductwork directly to the unit, a duct collar must be mounted at the unit outlet. When connecting ductwork to the unit, a canvas type connecting collar is recommended. If a field fabricated plenum is used, canvas type connectors are recommended at the duct connection to the plenum. Units are also available with a factory provided discharge plenum. -
Page 27: Filters
Condenser Water Piping All internal condenser water piping is completed factory assembled. Field piping should be connected to the pipes that are stubbed out at the panels. Supply water must be connected to the factory piping as indicated by the markings on the unit. Condensate Drain Connections The condensate drain connection is located on the drain pan that forms the partition between the coil and condensing section. -
Page 28: Supply Air Blower Adjustment
5.5 SUPPLY AIR BLOWER ADJUSTMENT The RPM of the supply air blower will depend on the required CFM, the unit accessories and the static resistances of both the supply and the return air duct systems. With this information, the RPM for the supply air blower can be determined from fan performance curves. -
Page 29: Fan Curve
5.6 Fan Curve 5.6.1 Fan Curve AT 9-9 Model: A5WCP0060/A5WCP0090... -
Page 30: Fan Curve At 15-15
5.6.2 Fan Curve AT 15-15 Model: A5WCP0140/ A5WCP0180/ A5WCP0240... -
Page 31: Fan Curve At 18-18
5.6.2 Fan Curve AT 18-18 Model: A5WCP0280... -
Page 32: Fan Curve Adh-450
5.6.2 Fan Curve ADH-450 Model: A5WCP0320/ A5WCP0360/ A5WCP0710... -
Page 33: Fan Curve Adh-500
5.6.2 Fan Curve ADH-500 Model: A5WCP0400/ A5WCP0520/ A5WCP0870/ A5WCP0940... -
Page 34: Fan Curve Adh-560
5.6.2 Fan Curve ADH-560 Model: A5WCP0570... -
Page 35: Electrical Connection
6.0 ELECTRICAL CONNECTION Install electrical wiring in accordance with the National Electric Code and / or local regulations. A fused disconnect switch must be used in a separate circuit from the main power panel. The switch should be reasonably close to the unit for convenience in servicing. - Page 36 -3 Ph A5WCP0280A-FS 10.7 -50Hz A5WCP0320A-FS 16.7 14.2 A5WCP0360A-FS 20.7 20.5 A5WCP0400A-FS 15.8 20.5 A5WCP0520A-FS 20.7 20.5 A5WCP0570A-FS 20.5 A5WCP0710A-FS 24.9 14.2 A5WCP0870A-FS 20.5 A5WCP0940A-FS 24.9 20.5 MOC: Maximum Operating Current LRA: Locked Rotor Current Rated Current Full Load Current FLA:...
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Page 37: Wiring Diagram
6.1 WIRING DIAGRAM 6.1.1 Wiring Diagram A5WCP0060A-F*C*; A5WCP0090A-F*C*; A5WCP0140A-F*C*; A5WCP0180A-F*C*... -
Page 38: Wiring Diagram A5Wcp0240A-Fsc*; A5Wcp0280A-Fsc
6.1.2 Wiring Diagram A5WCP0240A-FSC*; A5WCP0280A-FSC*... -
Page 39: Wiring Diagram A5Wcp0320A-Fsc*; A5Wcp0360A-Fsc
6.1.3 Wiring Diagram A5WCP0320A-FSC*; A5WCP0360A-FSC*... -
Page 40: Wiring Diagram A5Wcp0400A-Fsc*; A5Wcp0520A-Fsc
6.1.4 Wiring Diagram A5WCP0400A-FSC*; A5WCP0520A-FSC*... -
Page 41: Wiring Diagram A5Wcp0570A-Fsc
6.1.5 Wiring Diagram A5WCP0570A-FSC*... -
Page 42: Wiring Diagram A5Wcp0710A-Fsc*; A5Wcp0870A-Fsc
6.1.6 Wiring Diagram A5WCP0710A-FSC*; A5WCP0870A-FSC*... -
Page 43: Wiring Diagram A5Wcp0940A-Fsc
6.1.7 Wiring Diagram A5WCP0940A-FSC*... -
Page 44: Commisioning
7.0 COMMISIONING PRE-STARTUP REQUIREMENTS 1. Inspect the unit for shipping or installation damage. 2. Verify the unit is completely and properly installed with ductwork connected. Verify that all construction debris is removed and filters are clean. 3. With all electrical disconnects open, check all electrical connections to be sure they are tight. 4. - Page 45 INITIAL START-UP After all the other preceding checks have been completed and the operator has familiarized himself with the sequence of operation for the unit and all options provided, the unit can be put in operation. Proceed as follows: 1. Energize cooling tower water pump and tower fans. Set the water flow rate according to the design value. 2.
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Page 46: Maintenance
It is the responsibility of the owner to provide the necessary maintenance for the unit. If a system failure occurs due to improper maintenance during the warranty period, Acson will not be liable for costs incurred to return the unit to satisfactory operation. - Page 47 BELT TENSIONING Table 8: Deflection for Different Pulleys & Belts Sizes (Fix Type) C-C Distance (mm) Deflection (mm) Table 9: Force for Different Pulleys & Belts Sizes (Fix Type) Setting Force to Deflect Belt 15mm per Meter of Span 1.3 x Basic Setting Force (kgf) Belt Section Small Pulley Datum Diameter (mm)
- Page 48 PERIODIC MAINTENANCE – YEARLY Entire Unit Inspection In addition to the checks listed in this section, periodic overall inspections of the unit should be accomplished to ensure proper equipment operation. Items such as loose hardware, component operation, refrigerant leaks, unusual noises, etc.
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Page 49: Trouble Shooting
9.0 TROUBLE SHOOTING PROBLEM POSSIBLE CAUSE ACTION 1. Faulty compressor or lack of 1. Check discharge pressure for compression. compression. Inspect compressor and replace if necessary. 2. Temperature of air entering 2. Reduce load to design KW evaporator too high. value. -
Page 50: Error Code Display
10.0 ERROR CODE DISPLAY Backlight colour will turn to red when there is any system failure. EER light will turn on and error display section will show the relevant error code as follow: Error code Remarks Phase failure [manual reset] Indoor fan failure [manual reset] Flow switch failure [manual reset] Water pump failure [manual reset]...
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