Charging Jacket - S365

 

The Fieldpiece Voltage Accessory, model AVH1, is designed for use with our data logger model DL3 to record voltage over a period of time or with our EHDL1 electronic handle to get the MIN or Max while freeing up your meter for other tests.User's Manual

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Features and Benefits

Competitive Advantages

Recommended

 

 

 

 

 

What is It?

The Charging Jacket is a reliable way to charge TXV systems in cold weather.  Normally low temperatures remove too much heat from the condenser coils, so HVACR professionals should only work on TXV systems when the outside air temperature is 70°F or higher. 

Now, the new Fieldpiece Charging Jacket solves that problem, and TXV systems can be accurately charged down to 37°F outside.  It's the perfect tool to dramatically extend the hours in a day, and the days in a year, where techs can install, service, and charge TXV systems.

How Does it Work?

Made from parachute-grade material, the Charging Jacket is attached to the top of a split TXV system with hooks, so that the air inlet is not restricted.  Then the unit is turned on the the jacket puffs up from the air being forced out of the air outlet. 

The top is then adjusted with a drawstring until the proper pressure differential is reached between the high and low side (between 160psi and 220psi for R410A; and between 100psi and 145psi for R22).  Once the systems stabilizes for 15 minutes at the correct pressure differential, the system is ready to be charged.   

Features and Benefits

Fieldpiece knows how busy HVACR pros are in the summer.  So we made this tool so HVACR professionals could spread their work out into the spring and fall.  That way it's easier to focus on emergency calls and installations.

  • Charge TXV systems from 37°F —70°F outside
  • Service maintenance contracts before and after the summer heat
  • Easy to adjust to reach correct pressure differential
  • Great way to increase business during the slow season
  • Field tested for accuracy

Competitive Advantages

There are no other products on the market that are made specifically for this purpose.  Currently, HVACR professionals either do not work on TXV systems if it is below 70°F outside, or, if it's an emergency techs might use their actual jackets or cardboard to block the air inlet. The problem is those methods are inaccurate.

The Charging Jacket's advantage is that it works to bring the pressure drop across the TXV to at least 160 psi, and therefore has the same effect on the system as higher temperatures do.

HVACR professionals can now dramatically extend their billable hours because they can work on systems during the off season.  So instead of having the do service contract check-ups during the summer rush, service and maintenance can be start early in the spring, and continue late into the fall. And even year-round in many parts of the country.

 

Recommended Accessories and Replacement Parts

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Display: 3 1/2 digit liquid crystal display (LCD) with maximum reading of 1999. 

Overrange: (OL) or (-OL) is displayed.

Low battery indication: The battery symbol is displayed when the battery voltage drops below the operating level.

Measurement rate: 2.5 times per second, nominal.

Operating Environment: 0°C to 40°C at < 70% relative humidity.

Storage Temperature: -20°C to 60°C, 0 to 80% R.H. with battery removed from meter.

Auto power off: 15 seconds approx.

Standby consume current: <10μA

Battery: 4 pcs 1.5V (AAA size) UM-4 R03. 

Battery Life: 4 hours (continuity) typical with alkaline battery (@20ÌÙ range test 10ÌÙ resistor). 

Dimensions: 170mm(H) x 44mm(W) x 40mm(D). 

Weight: 160g including batteries.

 

ELECTRICAL

Range: 20MW, 2000 MW.

Resolution: 10K W on 20MW range, 1 MW on 2000 MW range.

Accuracy:

20 MW range: ±(2%rdg + 2dgts)

2000 MW range: <500ÌÙ ±(4%rdg + 2dgts)

>500 MW ±(5%rdg + 2dgts)

Rated voltage: DC-DC converter to 1000VDC

Accuracy temperature: 23°C ± 5°C less than 70%RH

Temperature Coefficient: 0.1X (specified accuracy)/°C (28°C)