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Operation and
Maintenance
®
InRow RD 10kW
Air Cooled
ACRD100
ACRD101
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This manual is available in English on the enclosed CD. Dieses Handbuch ist in Deutsch auf der beiliegenden CD-ROM verfügbar. Deze handleiding staat in het Nederlands op de bijgevoegde cd. Este manual está disponible en español en el CD-ROM adjunto. Ce manuel est disponible en français sur le CD-ROM ci-inclus. Questo manuale è disponibile in italiano nel CD-ROM allegato. 本マニュアルの日本語版は同梱の CD-R OM からご覧になれます。 Instrukcja Obs ługi w jezyku polskim jest dostepna na CD. O manual em Português está dispon
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American Power Conversion Legal Disclaimer The information presented in this manual is not warranted by the American Power Conversion Corporation to be authoritative, error free, or complete. This publication is not meant to be a substitute for a detailed operational and site specific development plan. Therefore, American Power Conversion Corporation assumes no liability for damages, violations of codes, improper installation, system failures, or any other problems that could arise based on
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Contents General Information........................................................ 1 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Symbols used in this manual . . . . . . . . . . . . . . . . . . . . . . . . . . . .1 Cross-reference symbol used in this manual . . . . . . . . . . . . . . . .1 Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Commissioning ...................
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Contacts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 View the state of input and output contacts . . . . . . . . . . . . . . . . 17 Edit the normal state of input and output contacts . . . . . . . . . . 17 Cooling Group Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 Configure the cooling group . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 Identify the cooling unit . . . . . . . . . . . . . . . . . . .
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Network Management Card.......................................... 32 Quick Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .32 TCP/IP configuration methods . . . . . . . . . . . . . . . . . . . . . . . . . .32 APC Device IP Configuration Wizard . . . . . . . . . . . . . . . . . . . . .33 .ini file utility . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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General Information Overview Note the definitions for the icons here and be observant for them throughout this manual. They are intended to call attention to potential hazards and important information. Symbols used in this manual Electrical Hazard: Indicates an electrical hazard which, if not avoided, could result in injury or death. Danger: Indicates a hazard which, if not avoided, could result in severe personal injury or death. Warning: Indicates a hazard which, if not avoided, could resu
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Safety Read and adhere to the following important safety considerations when working with this cooling unit. ® Note: All work must be performed by American Power Conversion (APC ) authorized personnel only. Caution: Keep your hands, clothing, and jewelry away from moving parts. Check the equipment for foreign objects before closing the doors and starting the equipment. Heavy: The equipment is heavy. For safety purposes, at least two people must be present when moving this equipment. Tip Haz
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Commissioning Warning: APC authorized personnel must perform the following procedures. Electrical Hazard: Perform Lockout/Tagout procedures on the cooling unit before servicing the cooling unit. Failure to remove power before servicing this equipment could result in serious injury or death. After installation is complete, verify that all components are working properly and that the cooling unit is ready to begin operation. Inspection Checklists Initial inspection checklist The initial inspec
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Electrical inspection checklist The electrical inspection verifies that all electrical connections are secure and correct and that the cooling unit is properly grounded. Electrical Hazard: All electrical wiring must comply with local and national codes and regulations. Electrical Hazard: The equipment must be grounded (do not use a water-pipe ground). Ensure that the: Incoming voltages match the phase and voltage listed on the nameplate. Electrical wiring complies with local and national cod
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Mechanical inspection checklist The mechanical inspection verifies that all mechanical components and connections are secure and tight and ready for start-up and system charging. The inspection ensures that field piping is properly installed to promote oil return to the compressor. Warning: The equipment is shipped from the factory with a nitrogen holding charge. Remove the nitrogen holding charge using the Schrader valves located on the internal refrigerant piping. Caution: Improperly insta
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User interface inspection checklist The user interface inspection verifies that the sensors and internal communications links of the cooling unit are installed properly. Ensure that: An A-Link bus is connected to each cooling unit in the group and a terminator is plugged into all unused A-Link connectors. The input contacts and output relays are connected correctly. The building management system is connected correctly and a terminator is wired into the final unit between Modbus D0 and
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Charging With Refrigerant Calculating R410A charge Use the following table and formula when calculating the total R410A charge. Condenser flooded charge in kg (lb) for different Selected Condenser minimum outdoor ambient temperatures ambient summer Condenser temp. in charge in -7°C -29°C -40°C model °C (°F) kg (lb) 4°C (40°F) (20°F) -18°C (0°F) (-20°F) (-40°F) 35 (95) 2.2 (4.9) 5.48 (12.1) 5.85 (12.9) 6.03 (13.3) 6.17 (13.6) 6.30 (13.9) ACCD75214 40 (105) 2.2 (4.9) 5.48 (12.1) 5.85 (12.9)
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2 Quantity of R410A in 1/2 in OD liquid line: (area) x (length in ft) x (density): 0.0010554 (ft ) x L (ft) x 3 61.0 (lbm/ft ) 3 3 Density of liquid R410A at 40.6°C (105°F) and 260 psig: 0.98 g/cm (61.0 lbm/ft ) 2 Cross sectional area for 1/2 in OD pipe is 0.0010554 ft . Liquid line charge for 1/2 in OD ACR copper tube: 0.095 kg/m (0.0644 lb/ft). 2 Cross sectional area for 5/8 in OD pipe is 0.001619 ft . 2 Quantity of R410A in 5/8 in OD liquid line: (area) x (length in ft) x (density): 0.00161
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Charging the equipment Caution: This procedure is to be done by APC-trained personnel only. R410A is a blend refrigerant. When charging equipment with blend refrigerants, only liquid refrigerant must be charged. Caution: Charging with other than liquid R410A refrigerant may damage the system. 1. Ensure the ball valves are open. 2. Confirm the calculated system charge. 3. Connect the refrigerant cylinder to the charging or gauge port on the receiver outlet valve. Open the receiver valve approxi
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Compressor Oil Charge Caution: This procedure is to be done by APC-trained personnel only. You may need to add oil to air-cooled equipment, depending on the condenser size and the lengths of tube running between the equipment and the condenser. Caution: Do not charge the compressor with too much oil, or compressor damage could result. The only way to drain oil from the compressor is to remove the compressor from the equipment, which cannot be done when the equipment is in the row. Oil chargin
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2. Prepare to add oil: a. Use a new, sealed oil can and a manual oil pump. The pump hose must be sized for 1/4 in flare fittings and must include a valve depressor at its end, which will open the valve on the Schrader service port of the compressor. b. At a minimum, use a quality POE oil with a viscosity of 32 cst, 160 sus at 40°C (104°F). Suggested oils: Danfoss Maneurop 160 PZ Polyolesteroil, the approved type of oil for this equipment. Approved alternative oil types: • CPI (Lubrizol) refer
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Operation Display Interface Status ESC Check Log ? Warning Critical Item Function Critical Alarm LED (red) When lit, a critical alarm condition exists and requires immediate attention. Warning Alarm LED (yellow) When lit, a warning alarm condition exists. Failure to correct this condition could cause a critical alarm. Check Log LED (yellow) When lit, at least one new event has been logged since the last time the log was checked. Only events that pertain to the operation of the cooling
