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General safety warnings and symbols used in the manual.
Warning about hazardous voltages and electrical precautions.
Safety procedure to disconnect power before maintenance.
Importance of proper grounding for safety.
Procedure for inspecting the unit upon arrival for damage and completeness.
Considerations for placing the chiller for serviceability and ventilation.
Importance and guidelines for proper insulation and sizing of chilled water piping.
Importance and method of checking electrical phase sequence for compressor protection.
Procedure to silence alarms and reset fault conditions.
Indicator for low coolant flow safety shutoff.
Indicator for freezestat fault condition and protection.
Indicator for high refrigerant pressure safety trip.
Indicator for low refrigerant pressure safety trip.
Access to adjustable parameters and feature settings.
Displays and allows adjustment of compressor control parameters.
Displays and allows adjustment of temperature alarms and bypass times.
Connecting main power, checking voltage and phase sequence.
Filling the coolant reservoir with proper water or glycol solution.
Verifying adequate condenser cooling for chiller operation.
Verifying all refrigerant valves are open to prevent compressor damage.
Setting Freezestat appropriately for operating conditions to prevent freezing.
Ensuring proper coolant flow through the chiller before operation.
Setting desired leaving fluid temperature and monitoring operation.
Possible causes and remedies for compressor start failure.
Possible causes and remedies for pump start failure.
Troubleshooting low refrigerant pressure issues and causes.
Troubleshooting high refrigerant pressure issues and causes.
Troubleshooting Freezestat related faults and potential causes.
Causes and remedies for low pump discharge pressure.
Causes and remedies for high pump discharge pressure.
Causes and remedies for unstable temperature control.
Troubleshooting causes for reduced cooling capacity.
General| Brand | Thermal Care |
|---|---|
| Model | NQW25 |
| Category | Chiller |
| Language | English |
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