Friday, December 09, 2011

Make sure it's a genuine EK Filter Drier

Alco Controls Singapore

The next time you're installing an EK Filter Drier, make sure you're installing a geniune EK Filter Drier from Emerson Climate Technologies Flow Controls. That's because more and more imitation EK Filter Driers are finding their way into our marketplace - imitations that cannot compete with the real thing for performance and reliability.

Look for the laser hologram label on our product as the proof of authenticity. The laser hologram label is specially designed with unique graphic patterns and serial numbers.

Avoid potential problems
Sure the imitations may look authentic, but they cannot deliver the long-lasting protection from moisture and contaminants you and your customers expect. In fact, the long list of potential side effects from inferior imitation products includes:-
  • Shortened compressor life
    • Wear damage from contaminant debris
    • Damage from acid formation
    • Damage from corrosion (water)
    • Copper plating due to moisture content
  • Stuck expansion valves
    • Freeze up due to presence of water
    • Valve stuck open or closed due to contaminant debris and sludge formation
  • Shortened system component life
    • Corrosion due to acid/ water
  • Blocked coils
    • Contaminant debris, sludge
  • System leaks
    • Due to corrosion/ water
Look for the Emerson Climate Technologies brand.
A supermarket refrigeration system suffered because fake filter driers were used. Several call backs, money and time wasted as a result.

How can you avoid those possible problems? How can you be sure the filter drier you're installing is a genuine EK Filter Drier? Look before you install. Make sure the label carries the genuine Emerson Climate Technologies brand.
Make sure you work only with authorized dealers. When in doubt, please do not hesitate to contact Emerson Climate Technologies for assistance. 


Deliver only the best
The EK Filter Drier delivers contaminant filtration, refrigerant drying and acid removal capabilities that are measurably superior to any other drier. The result? Peak system performance and confident, satisfied customers.
A geniune EK Filter Drier protects more than just an air conditioning or refrigeration system - it protects your reputation as well. You customers expect nothing less than the best. The best technology. The best service. The best protection. And the EK Filter Drier lets you meet that demand. It's just what you expect from the recognized industry leader - Emerson Climate Technologies Flow Controls.

EX4, EX5, EX6, EX7, EX8 Series Electrical Control ...

hintech-electric.com: EX4, EX5, EX6, EX7, EX8 Series Electrical Control ...: Since many years ago, Emerson has been producing the EX Series electrical control valves. The valves are a completely new design compared to...

EX Series Hot gas bypass regulator components

hintech-electric.com: EX Series Hot gas bypass regulator components: R22, Minimum evaporating temperature -100 dec C. 4.9 kW EX4 capacity control and EXD-U.. univeral controller 16kW EX5 capacity control and...

Measuring Superheat

hintech-electric.com: Measuring Superheat: Where possible, always select a thermal expansion valve for the actual operating conditions rather than nominal valve capacities.

Thursday, December 08, 2011

Disclaimer



  1. The information given herein is intended for use by persons having appropriate technical knowledge and skill, at their own discretion and risk. 
  2. Since conditions of use are outside of our control we cannot assume liability for results obtained or any damages which may occur due to improper application.
  3. We cannot be held responsible for errors in capacities, dimensions etc., stated herein.  Products, specifications and data in this site are subject to change without notice. 
  4. Technical commentaries given in this site are the opinion of our in-house product consultants, partners and customers. Their comments and opinions are by no means represent those of Emerson Climate Technologies. 
  5. Graphics and technical information are used with permission from Emerson Climate Technologies for marketing purposes. Nothing in this website may be copied, reproduced in whole or in part without written permissions from Hintech Electric.






Tuesday, November 29, 2011

Selection Software


Selection Software version 7.5 is now available for download. There have been some minor changes to the internal structure - changes to designation of the seasonal efficiency tools, and some additional weather data locations (S. America).
The compressor isentropic efficiency is added to the list of performance parameters.

The new database includes additional electronic expansion valve refrigerant options:

- Refrigerant R23 for EX4 – EX6 
- Refrigerant R744 (CO2) for EX2 and EX4 – EX8 

The Head Pressure Controllers have been discontinued and are therefore removed.

It is recommended to make a full installation into a new Select 75 folder.

Wednesday, September 21, 2011

ACP (E) Direct Acting, Hot Gas Regulator

The ACP [E] is a direct acting, hot gas bypass regulator designed for small capacity systems. The adjustable ACP[E] regulators are supplied with factory setting of 40psig [point at which the regulator starts to open], which can be changed by adjustment. Turning clockwise will increase pressure setting.

Features:

  • small, compact size adapts to any installation
  • friction-free floating design
  • covers multiple capacity ranges
  • fully adjustable from 0-80 psig [factory setting 40psig]
  • wrench flats on inlets and outlets
  • can be used as a constant pressure automatic expansion valve
Options:
  • angle or straight through style
  • internal or external equalization
  • SAE or ODF connections
  • available with fixed settings / non-adjustable
Specifications:
  • clockwise to increase pressure setting
  • maximum working pressure: 450psig
  • maximum working temperature: 300F
  • UL/CUL file number SA 5312

Wednesday, July 06, 2011

Schematic Diagram Download

Troubleshooting a Solenoid Valve: Problem 2



Valve closes, but flow continues (seat leaking)

Cause:
Foreign materials lodged under seat.

Corrective Action:
Clean internal parts and remove foreign material

Cause:
Valve seat damaged.

Corrective Action:
Replace valve or affected parts.

Cause:
Synthetic seat materials chipped.

Corrective action:
Replace valve or affected parts.

Cause:
Valve improperly applied or assembled.

Corrective action:
Replace valve with proper valve or reassemble.





Troubleshooting a Solenoid Valve: Problem 1

Normally closed valve will not close
Or normally open valve will not open

Causes:

Diaphragm or plunger restricted due to corroded parts, foreign materials lodged in valve, dented or bent closing tube, or warped body due to improper brazing or crushing in vise.

Corrective Action:

Clean affected parts and replace parts as required. Correct the cause of corrosion or source of foreign materials in the system. Install a filter drier upstream of solenoid valve.

Causes:

Manual opening stem holding valve open.

Corrective Action:

With coil de-energized, turn manual stem in counter clockwise direction until valve closes.

Causes:

Closing spring missing or inoperative.

Corrective Action:

Reassemble with spring in proper position.

Causes:

Electrical feedback keeping coil energized or switch contacts not breaking circuit to coil.

Corrective Action:

Attach voltmeter at coil leads and check for feedback or closed circuit. Correct faulty contacts or wiring.

Causes:

Reverse pressures (outlet pressure greater than inlet pressure) or valve installed backwards.

Corrective Action:

Install check valve at valve outlet, or install with flow arrow to proper direction.


Thursday, April 28, 2011

Oil Controls




  • Keep refrigeration systems at peak performance at all times;
  • Keep compressors lubricated;
  • Maintain high level of heat transfer and energy efficiency;
  • Remove as much oil as possible from the refrigerant.

Friday, April 08, 2011

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HINTECH ELECTRIC N REFRIGERATION CONTROLS.
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Refrigeration Parts

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Monday, March 28, 2011

Copeland Scroll AHR Expo 2011 Booth Tour Video

Copeland Scroll AHR Expo 2011 Booth Tour Video: "






ACHR NEWS produced booth tour video from the 2011 AHR Expo in Las Vegas - Brandy Powell and John Schneider take viewers on a guided tour of the new Copeland Scroll® variable speed compressor and new features of the Copeland Scroll UltraTech compressor.

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CoreSense Technology AHR Expo 2011 Booth Tour Video: "






ACHR NEWS produced booth tour video from the 2011 AHR Expo in Las Vegas - Review of the exclusive new CoreSense technology.

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Thursday, March 17, 2011

Oil Filter


The AOFD is designed specifically for refrigerant systems that use POE oil. POE oil is hygroscopic in nature, which means that it attracts and absorbs water. Moisture in a closed system can produce acid and will harm the compressor. The AOFD protects compressors by removing moisture and trapping contaminants

Wednesday, March 09, 2011

Applications of oil level management systems

Hintech Electric’s refrigeration solenoid valves....

Hintech Electric’s refrigeration solenoid valves have the lowest external leakage rates in the industry, are less susceptible to scoring, don't hold residual magnetism, and provide trouble-free operation due to their fail-safe design.


Available exclusively at hintech-electric.com

Hintech Electric’s coils for solenoid valves


  • Feature compact designs, interchangeable housings, and easier-to-use innovative coil clips;
  • Snap into place without requiring screws or tools;
  • Has insulated coil windings provide shock and vibration protection;
  • Provide weather protection (ASC2).

Available exclusively at hintech-electric.com