Tuesday, February 23, 2010

Emerson EXV Electronic Valve and Controller

Emerson EXV Electronic Valve and Controller: "






In this video, filmed by the ACHR NEWS at the 2010 AHR Expo, Al Maier describes the newest Emerson electronic valve and controller to optimize refrigerant flow in air conditioning and refrigeration systems.

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Thursday, February 18, 2010

Competitor Cross-Reference

Emerson Climate Technologies makes it easy to find the right part for your system. The competitive cross reference tool on the right is a user friendly tool that will cross a competitor’s number over to the right Emerson valve, control or system protector without worrying about having the right spaces, dashes or hyphens.

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How can the BTU rating of a compressor be determined?

Capacity ratings for Copeland® compressors are found on our published performance curves. These curves can be obtained through our wholesalers or from the Online Product Information section of our website. To use these curves, convert the measured suction and discharge pressure readings to their corresponding evaporating and condensing temperatures using a pressure/temperature chart for the refrigerant being used. Plotting those temperatures on the performance curve tables will reveal the BTU/H ratings, amperage, and watts.

Tuesday, February 09, 2010

Trends In Coils, Condensing Units - Feature Articles - Extra Edition - Air Conditioning, Heating & Refrigeration NEWS

Trends In Coils, Condensing Units - Feature Articles - Extra Edition - Air Conditioning, Heating & Refrigeration NEWS

Copeland Stands Out When Backed by Emerson Climate Technologies

Copeland Stands Out When Backed by Emerson Climate Technologies

FAQ

http://www.emersonclimate.com/en-US/resources/faq/Pages/emerson_flow_controls.aspx#Q1

Subscribe to these Notes Hintech Erc's Notes

Subscribe to these Notes
Hintech Erc's Notes

Subscribe to these Links Hintech Erc's Links

Subscribe to these Links Hintech Erc's Links

How a Copeland Scroll Digital Compressor Works

How a Copeland Scroll UltraTech Compressor Works

How a Copeland Scroll Compressor Works

Monday, February 08, 2010

The Professor: Oil Safety Controllers and Their Circuits - Feature Articles - Extra Edition - Air Conditioning, Heating & Refrigeration NEWS

The Professor: Oil Safety Controllers and Their Circuits - Feature Articles - Extra Edition - Air Conditioning, Heating & Refrigeration NEWS

Selecting, Installing Oil Separators - Feature Articles - Extra Edition - Air Conditioning, Heating & Refrigeration NEWS

Selecting, Installing Oil Separators - Feature Articles - Extra Edition - Air Conditioning, Heating & Refrigeration NEWS

Understanding Hot Gas Bypass

http://www.achrnews.com/Articles/Technical/BNP_GUID_9-5-2006_A_10000000000000131938

http://www.achrnews.com/Articles/Technical/BNP_GUID_9-5-2006_A_10000000000000131938


REFRIGERATION BASICS: Optimizing System Performance Using a TXV | thermostatic expansion valve (TXV) | The thermostatic expansion valve (TXV) controls only one thing: the rate of flow of liquid refrigerant into the evaporator

REFRIGERATION BASICS: Optimizing System Performance Using a TXV | thermostatic expansion valve (TXV) | The thermostatic expansion valve (TXV) controls only one thing: the rate of flow of liquid refrigerant into the evaporator

The thermostatic expansion valve (TXV) controls only one thing: the rate of flow of liquid refrigerant into the evaporator.

Friday, February 05, 2010

200RB4T3 电磁阀


Pilot operated, 2-way normally closed valves. Solenoid actuated shut-off valves. Ideal for liquid, discharge or suction gas refrigerant service.









Features
  • One coil fits all valve sizes
  • Extended ends for easy installation
  • Long life molded coils provide water, shock and vibration protection in coil winding
  • Low pressure differential required for full opening
Nomenclature
200RB4T3 VLC
200R series
B design
T copper extended ends
3 connection size 3/8"
VLC no coils / sold separately

用于系统中制冷剂液管路或排气管路的关断。
特点:外形尺寸紧凑可选配不同电压的线圈,线圈的防护
等级为IP65。加长铜管设计,可防止焊接过热对阀体的损
害焊接或螺纹连接方式

Solenoid White Paper - Solenoid Valves and Their Importance in Refrigeration Systems

Solenoid valves play an important role within refrigeration and air conditioning systems, controlling the flow of refrigerants. Though their base function – turning the refrigerant flow on and off – is quite simple, this function is key to ensuring system performance. Understanding how solenoid valves work increases the likelihood that contractors will install, remove and reinstall valves correctly, ensuring optimum system performance and protection.

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Alco Controls: HVAC System Protectors

Alco Controls: HVAC System Protectors

Superheat: The Best Way to Tune an Air Conditioning System

Superheat: The Best Way to Tune an Air Conditioning System

A Cool Compressor for Cheese Processing - Feature Articles - Process Cooling

A Cool Compressor for Cheese Processing - Feature Articles - Process Cooling

Wednesday, February 03, 2010

TI Series -- Thermo®-Expansion Valves


ALCO TI series of Thermo-Expansion Valves with interchangeable orifices are designed for refrigeration applications such as display cases in supermarkets, walkin/ reach-in coolers, freezers, soft ice cream/ice maker machines, milk tank coolers, transport refrigeration as well as for air conditioning and heat pump systems. TI provides flexibility in selection of capacity and is ideal for those applications requiring compact size with stable and accurate control over wide load and evaporating range.

Tuesday, February 02, 2010

Shut - Off Valves

A new generation shut-off device.
Hermetic design: Fully welded forged brass body. Low leak rates below industry standard. Compatible with new refrigerants and lubricants. Full internal ports reduce line pressure drops to a minimum. Bi-directional flow characteristics. Valve stem cap retained by strap attached to main body. Pressure relief port in cap. Access port connection on body.
Made to approvals. CE and UL Marking.
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