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Guidelines for safe installation, including handling, lifting, and protection devices.
Safety rules for personnel performing maintenance on electrical/refrigeration components.
Safety precautions for handling refrigerants, pressure, and components during repairs.
Pre-start checks for the refrigeration system, power circuits, documents, and safety routes.
Electrical data for standard and option 280 units, and 30RB 302-802 series.
Information on short-circuit stability current for TN and IT systems.
Operating limits for evaporator and condenser based on temperatures and pressure.
Requirements for power supply voltage, range, and connection.
Calculation and permissible limits for voltage phase imbalance.
Precautions for water circuit connection, including fluid compatibility and system design.
Diagrams and components for units equipped with hydronic modules.
Methods and options for protecting the unit and hydronic circuit from freezing.
Configuration and operation of two units in a master/slave setup.
Step-by-step procedure for adjusting water flow rate using control valves.
Pump performance curves for single and double low-pressure pumps.
Pump performance curves for single and double high-pressure pumps.
Static system pressure curves for single and double low-pressure pumps.
Static system pressure curves for standard units with high-pressure pumps.
Static system pressure curves for units with option 280 and 302-802 series.
Static system pressure curves for units with option 280 and 302-802 series (high-pressure pumps).
Details on hermetic scroll compressors, oil heaters, and safety devices.
Description of the plate heat exchanger evaporator and its insulation.
Frost protection measures for the water condenser and connection pipes.
Details on units with fans for indoor installation and duct systems.
Frost protection for evaporator and water loop based on antifreeze concentration.
Intermediate maintenance tasks requiring specialized skills.
Advanced maintenance requiring manufacturer or authorized agent expertise.
Recommendations for cleaning and maintaining condenser coils.
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General