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General| Model | 30XQ0810 |
|---|---|
| Category | Chiller |
| Refrigerant | R-134a |
| Power Supply | 400V/3Ph/50Hz |
| Compressor Type | Screw Compressor |
Guidelines for safe installation of units, including personnel qualifications and handling.
Safety precautions for maintenance personnel, including qualifications and procedures.
Safety guidelines for repairing the unit, emphasizing compliance and qualified personnel.
Procedure for inspecting the unit upon receipt for damage, missing parts, and correct model.
Instructions on how to safely move and position the unit, considering lifting points and clearances.
Requirements for power supply, voltage range, and phase imbalance for 30XQ units.
Details on power connection points, disconnect switches, and control box features.
Guidelines for selecting appropriate wire sizes for electrical connections based on unit current.
Table specifying minimum and maximum wire sections for different 30XQ models.
Key precautions for connecting water circuits, including pipe forces and fluid quality.
Ensuring evaporator flow switch and chilled water pump interlock are energized for proper operation.
Details on the twin-screw compressor, its capacity control, and components.
Details on high-pressure safety switches, their types, and reset procedures.
More advanced maintenance requiring specific skills, including electrical and hydronic checks.
Table of tightening torques for main electrical connections, bus bars, and terminals.
Torque values for tightening various screws and bolts used in the unit's construction.
Maintenance procedures for the compressor, including oil separator and oil filter.
Ensuring correct compressor rotation direction and protection against reverse rotation.
Precautions for connecting power supply bus bars to the control box.
Checklist for initial equipment inspection, including shipping damage and installation status.
Checklist items for unit start-up procedures, including oil heaters, valves, and voltage checks.
Checks for the cooler water loop, including volume, corrosion inhibitor, and freeze protection.
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