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YLCA/YLHA PLUS 5 to 27 R-410A
Technical Information
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ER-0028/1991
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Johnson Controls Manufacturing España. S.L. is participating in the EUROVENT Certification
Program.
Products are as listed in the EUROVENT Directory of Certified Products. in the program AC1.
AC2. AC3. LCP and FC.
The LCP program covers air condensed water chillers and heat pumps of up to 600 kW.
Ref: N-27723 0309M
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Questions and answers
we use york jjonson control ylca 20 g itc 380t serial number 8152m10572167, how to lower the temperature in the chiller so it can reach 6 degrees Celsius
To lower the temperature to 6°C in a York YLCA Series chiller, follow these steps:
1. Check the Setpoint: Ensure the temperature setpoint is correctly adjusted to 6°C in the chiller's control system.
2. Verify Glycol Concentration: Use the recommended ethylene or propylene glycol concentration to maintain proper heat exchange and avoid freezing issues.
3. Adjust Flow Rate: Balance the flow rate according to the corrected capacity values to maintain efficient cooling.
4. Monitor Pressure Levels: Ensure that the pressure drop is within the recommended range using the correcting factors.
5. Inspect Components: Confirm that the expansion valve, pressure transducers, and cooling circuit components are functioning correctly.
6. Ensure Proper Airflow: Check that the air-cooled condenser has adequate ventilation and that high-pressure fans are operational.
If the temperature does not reach 6°C, verify system load, ambient conditions, and potential maintenance needs.
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Bagaimana cara menurunkan set point temperatur
we use york jjonson control ylca 20 g itc 380t serial number 8152m10572167, how to lower the temperature in the chiller so it can reach 6 degrees Celsius
To lower the temperature in a York YLCA Series chiller to 6°C, follow these steps:
1. Check Glycol Concentration: Ensure the correct ethylene or propylene glycol concentration based on the required temperature. Use the pressure drop correcting factors if necessary.
2. Adjust Expansion Valve: Verify the expansion valve settings to regulate refrigerant flow for optimal cooling.
3. Monitor Pressure Settings: Ensure the condensing and liquid side pressure transducers are functioning correctly, especially in low ambient conditions.
4. Use Low Ambient Temperature Kit: If operating in low temperatures, install the low ambient temperature kit to stabilize pressure.
5. Verify Water Flow Rate: Adjust the flow rate to balance the design temperature range.
6. Inspect Heat Exchanger and Filters: Clean or replace any clogged filters and check for proper heat transfer efficiency.
7. Check Control Settings: Ensure the thermostat or controller is set to 6°C and functioning correctly.
By following these steps, the chiller should effectively lower the temperature to 6°C.
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