Copeland 998-0500-01 Valve
The Copeland 998-0500-01 is a professional-grade Discharge Temperature Control (DTC) Valve engineered specifically for low-temperature Copeland Scroll compressors, including the ZF*K4E and ZF*KVE series. In demanding refrigeration environments, these compressors require active thermal management to prevent oil breakdown and mechanical fatigue. This liquid injection valve features a precise 193°F opening setpoint, triggered by a remote sensing bulb installed in the compressor dome well. When discharge temperatures rise, the valve modulates liquid refrigerant injection into the scroll set, maintaining safe operating parameters and ensuring long-term system reliability.
Designed for field serviceability and rugged performance, this valve kit utilizes a 1/4" flare connection for the liquid line, facilitating a secure, leak-proof interface without the need for complex brazing in tight quarters. By eliminating the need for a legacy capillary tube system on 2 HP to 9 HP ZF scroll models, the Copeland 998-0500-01 provides a more responsive and accurate refrigeration temperature control solution. It is essential for systems running R-448A, R-449A, R-407C, and R-407A, where high discharge temperatures are common.
Key Benefits for HVACR Contractors:
- Optimized Compressor Cooling: Features a calibrated 193°F setpoint to protect internal scroll components from overheating.
- Simplified Installation: The 1/4" flare inlet allows for rapid connection to the liquid line, reducing labor time during retrofits or repairs.
- Multi-Refrigerant Compatibility: Fully compatible with modern high-glide refrigerants like R-448A and R-449A.
- Integrated Sensing Bulb: Includes a high-sensitivity bulb for immediate response to dome temperature fluctuations.
- Internal Protection: Helps prevent high-discharge temperature trips, reducing emergency service calls and downtime.
Common Questions:
Why is my compressor suction pressure rising slowly after pump down?
If the suction pressure climbs steadily after the low-pressure switch trips, it may indicate debris trapped in the DTC valve seat or a failing internal check valve. Contractors should isolate the liquid line feeding the valve and perform a pump-down test to verify if the 998-0500-01 is leaking past the seat.
Can this valve be used on ZFD digital scroll models?
Yes, though installation on ZFD**KVE models requires specific steps, such as using the provided thermostat in the control circuit and ensuring the sensing bulb is correctly seated in the dome well to accurately monitor the discharge temperature.
What happens if the valve is installed without a liquid line filter drier upstream?
Small particulates can easily foul the 1/4" flare orifice or the internal screen of the liquid injection valve. Always ensure the system is clean and a high-capacity drier is installed to maintain precise refrigeration temperature control.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.
Original: $421.79
-65%$421.79
$147.63Copeland 998-0500-01 Valve
The Copeland 998-0500-01 is a professional-grade Discharge Temperature Control (DTC) Valve engineered specifically for low-temperature Copeland Scroll compressors, including the ZF*K4E and ZF*KVE series. In demanding refrigeration environments, these compressors require active thermal management to prevent oil breakdown and mechanical fatigue. This liquid injection valve features a precise 193°F opening setpoint, triggered by a remote sensing bulb installed in the compressor dome well. When discharge temperatures rise, the valve modulates liquid refrigerant injection into the scroll set, maintaining safe operating parameters and ensuring long-term system reliability.
Designed for field serviceability and rugged performance, this valve kit utilizes a 1/4" flare connection for the liquid line, facilitating a secure, leak-proof interface without the need for complex brazing in tight quarters. By eliminating the need for a legacy capillary tube system on 2 HP to 9 HP ZF scroll models, the Copeland 998-0500-01 provides a more responsive and accurate refrigeration temperature control solution. It is essential for systems running R-448A, R-449A, R-407C, and R-407A, where high discharge temperatures are common.
Key Benefits for HVACR Contractors:
- Optimized Compressor Cooling: Features a calibrated 193°F setpoint to protect internal scroll components from overheating.
- Simplified Installation: The 1/4" flare inlet allows for rapid connection to the liquid line, reducing labor time during retrofits or repairs.
- Multi-Refrigerant Compatibility: Fully compatible with modern high-glide refrigerants like R-448A and R-449A.
- Integrated Sensing Bulb: Includes a high-sensitivity bulb for immediate response to dome temperature fluctuations.
- Internal Protection: Helps prevent high-discharge temperature trips, reducing emergency service calls and downtime.
Common Questions:
Why is my compressor suction pressure rising slowly after pump down?
If the suction pressure climbs steadily after the low-pressure switch trips, it may indicate debris trapped in the DTC valve seat or a failing internal check valve. Contractors should isolate the liquid line feeding the valve and perform a pump-down test to verify if the 998-0500-01 is leaking past the seat.
Can this valve be used on ZFD digital scroll models?
Yes, though installation on ZFD**KVE models requires specific steps, such as using the provided thermostat in the control circuit and ensuring the sensing bulb is correctly seated in the dome well to accurately monitor the discharge temperature.
What happens if the valve is installed without a liquid line filter drier upstream?
Small particulates can easily foul the 1/4" flare orifice or the internal screen of the liquid injection valve. Always ensure the system is clean and a high-capacity drier is installed to maintain precise refrigeration temperature control.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
The Copeland 998-0500-01 is a professional-grade Discharge Temperature Control (DTC) Valve engineered specifically for low-temperature Copeland Scroll compressors, including the ZF*K4E and ZF*KVE series. In demanding refrigeration environments, these compressors require active thermal management to prevent oil breakdown and mechanical fatigue. This liquid injection valve features a precise 193°F opening setpoint, triggered by a remote sensing bulb installed in the compressor dome well. When discharge temperatures rise, the valve modulates liquid refrigerant injection into the scroll set, maintaining safe operating parameters and ensuring long-term system reliability.
Designed for field serviceability and rugged performance, this valve kit utilizes a 1/4" flare connection for the liquid line, facilitating a secure, leak-proof interface without the need for complex brazing in tight quarters. By eliminating the need for a legacy capillary tube system on 2 HP to 9 HP ZF scroll models, the Copeland 998-0500-01 provides a more responsive and accurate refrigeration temperature control solution. It is essential for systems running R-448A, R-449A, R-407C, and R-407A, where high discharge temperatures are common.
Key Benefits for HVACR Contractors:
- Optimized Compressor Cooling: Features a calibrated 193°F setpoint to protect internal scroll components from overheating.
- Simplified Installation: The 1/4" flare inlet allows for rapid connection to the liquid line, reducing labor time during retrofits or repairs.
- Multi-Refrigerant Compatibility: Fully compatible with modern high-glide refrigerants like R-448A and R-449A.
- Integrated Sensing Bulb: Includes a high-sensitivity bulb for immediate response to dome temperature fluctuations.
- Internal Protection: Helps prevent high-discharge temperature trips, reducing emergency service calls and downtime.
Common Questions:
Why is my compressor suction pressure rising slowly after pump down?
If the suction pressure climbs steadily after the low-pressure switch trips, it may indicate debris trapped in the DTC valve seat or a failing internal check valve. Contractors should isolate the liquid line feeding the valve and perform a pump-down test to verify if the 998-0500-01 is leaking past the seat.
Can this valve be used on ZFD digital scroll models?
Yes, though installation on ZFD**KVE models requires specific steps, such as using the provided thermostat in the control circuit and ensuring the sensing bulb is correctly seated in the dome well to accurately monitor the discharge temperature.
What happens if the valve is installed without a liquid line filter drier upstream?
Small particulates can easily foul the 1/4" flare orifice or the internal screen of the liquid injection valve. Always ensure the system is clean and a high-capacity drier is installed to maintain precise refrigeration temperature control.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.
