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Refrigerant | R-410A |
---|---|
Power Supply | 400V/3Ph/50Hz |
Compressor Type | Scroll |
Number of compressors | 2 |
Cooling Capacity | 80 kW |
Guidelines for safely moving the unit using forklifts or slings, emphasizing proper lifting points and avoiding damage.
Instructions for outdoor installation, ensuring level surface, adequate clearances, and protection from environmental factors.
Information on ATEX zones around units due to refrigerant type, requiring trained personnel and specific equipment for entry.
Table detailing physical properties like sound levels, dimensions, operating weight, compressor types, and refrigerant data for various unit models.
Notes on electrical data including voltage, power input, current draw, and start-up current for specific unit models.
Details on the short-circuit withstand current (Icw, Ipk) and associated protection for the TN system.
Notes on compressor electrical data, including nominal current, maximum current, and locked rotor current, with specific conditions noted.
Requirements for power supply, voltage range, and warnings regarding incorrect voltage or phase imbalance for unit operation.
Defines operating ranges for water and air temperatures for various unit configurations, including notes on antifreeze and part-load operation.
Schematic diagrams of hydraulic circuits with and without hydraulic modules, detailing components and installation requirements.
Explains variable speed pump control based on pressure differential, adjusting pump speed to maintain setpoint and observing flow rate limits.
Details variable speed pump control based on temperature difference, adjusting pump speed to maintain setpoint.
Graphs showing available static pressure for high pressure pumps (single) versus water flow rate for different unit sizes.
Comprehensive checklist for pre-startup verification of the system, including installation drawings, safety devices, and refrigerant circuit checks.
Guidance on unit commissioning, emphasizing supervision by qualified engineers and adherence to operating instructions.
Checks for correct compressor rotation direction, discharge temperature, pressure, and input current.
Procedures for adjusting water flow rate and ensuring the hydraulic circuit is free from pollution before start-up.
Checks for visible refrigerant or oil leaks, and ensuring the refrigerant circuit pipes are undamaged.
Simple maintenance tasks for users, including visual inspections, cleaning air-cooled exchangers, and checking refrigerant charge.
Maintenance requiring specific expertise, including electrical connection checks, compressor checks, and hydraulic circuit inspections.
Advanced maintenance tasks requiring specialized skills, including major component replacement and refrigerant circuit operations.
Table detailing torque values for tightening various electrical connections on components like terminals, circuit breakers, and contactors.
Table specifying torque values (N.m) for tightening main fastenings such as compressor brackets, nuts, and fan motor mounts.
Important safety precautions and procedures for working on variable frequency drives, emphasizing isolation and qualified personnel.
Checklist for shipping damage, unit levelness, power supply, wiring, ground cable, protection, terminals, and plug assemblies.
Checklist for air handling unit operation, valve status, piping connection, air venting, and pump rotation.
Checklist for pump connection, oil level, leak checks, and voltage imbalance, with a warning about starting if imbalance exceeds 2%.
Checklist for water loop volume, corrosion inhibitor, frost protection, electric tape heater, and screen filter presence.
Procedure to measure evaporator inlet/outlet pressure and pressure drop, and to determine flow rate using curves.
Instructions to perform the QUICK TEST function and log user menu configuration parameters.
Procedure to record operating temperatures and pressures after the machine has stabilized, for monitoring and troubleshooting.