DS-220R Digital Charging Scale User’s Guide
DS-220R User’s Guide Introduction Thank you for your purchase of the AccuTools DS-220R Digital Charging Scale. The DS-220R is the most accurate and precise refrigerant meter available today with features that cannot be found anywhere else. It is ideal for HVAC and Refrigeration service, including Critical Charging of small refrigeration systems. With the DS-220R, you can measure weight in both metric and english units.
DS-220R User’s Guide Parts Diagram LCD Display Easel (Extended) Keypad Coiled Cord Storage Dock Weighing Platform Mounting Hooks Speaker Grill Optical Port for CM-500 Battery Cover Control Box Rear View 2 Easel (Retracted)
DS-220R User’s Guide LCD Display B A C E D F G H I Item A B C D E F G H I J K L M N O P J K L M N O P Function Main Numeric Display Alternate Numeric Display Tank Capacity Percent Indication Units Indicators Sound Mute Indicator “Floating” Negative Indicator (Indicates weight removed from platform) Battery Level Indicator Fast Adjustment Indicator Set Mode Indicator Tank Capacity Mode Indicator Run Mode Indicator Hold Mode Indicator Program Complete Indicator Calibration Mode Indicator Valve O
DS-220R User’s Guide Keypad Press for power-on, press/hold for power off. Press to cycle through displayed units. Press to select low, medium, or high display resolution. Press to “zero-out” current reading on display. . Use to adjust various settings and programming values. For faster adjustments. Used in conjunction with “Freezes” display. Starts programming mode Activates/Deactivates stored program. 4 and .
DS-220R User’s Guide Quick Start To operate the DS-220R as a basic weigh scale, perform the following steps: Setup 1. Unpack the scale as described in the “Unpacking the DS-220R” section below. 2. Install the batteries into the control box as described in the “Battery Installation” section below. 3. Place the Weighing Platform on a firm, level surface. 4. Turn the DS-220R on by pressing . 5. Select the proper measurement units by repeated pressing cycle as follows: .
DS-220R User’s Guide Unpacking the DS-220R 1. Remove the DS-220R from the carry case. 2. Remove the control box from the storage dock in right side of the weighing platform by pulling the control box firmly from the dock. 3. Unwrap the coiled cord from around the weighing platform. When using the DS220R, ensure the coiled cord does not touch the top of the weighing platform, or inaccuracies may result. 4. If desired, extend the easel at the top back of the control box by pulling it out.
DS-220R User’s Guide Resolution The resolution (minimum incremental weight) than can be displayed by the DS220R can be adjusted to make the display easier to read. Unstable loads or high winds can cause the display to fluctuate erratically. By reducing the display resolution, external influences can be minimized. As shipped, the DS-220R is set to MEDIUM resolution, suitable for most purposes. The resolution can be changed to on the keypad.
DS-220R User’s Guide Over Range Indication If the weight applied to the weighing platform exceeds the maximum capacity of the DS-220R (100 kg), a single “1” will be shown on the left side of the display. To prevent damage to the DS-220R, immediately remove the weight from the platform. Hold Mode A special feature of the DS-220R allows the emptying or replacing bins or containers used for weighing without affecting the weight shown on the display. This Hold Mode may be used as follows: 1.
DS-220R User’s Guide 4. Press and/or hold the or keys to set the desired alarm set point. To change the set point faster, press . This will activate the FAST SET mode which will change the set point 10x faster than normal. Press to the normal speed SET mode. again to return 5. Press . The display will automatically change to zero and the RUN indicator will show to indicate that the program is running. 6.
DS-220R User’s Guide Tank Capacity Mode Training 1. While holding down, press . The SET TANK indicator will turn on, and OFF will show on the display. This indicates that the Tank Capacity Mode is currently off. 2. Turn the Tank Capacity Mode on by pressing . The display will show ON, and the Alternate Numeric Display and Percent Indicator will turn on. to proceed to the first step of training. 0% will flash in the Alternate 3.
DS-220R User’s Guide Turning Tank Capacity Mode Off Perform the following steps to turn the Tank Capacity Mode Off: 1. While holding down, press . The SET TANK indicator will turn on, and ON will show on the display. This indicates that the Tank Capacity Mode is currently on. 2. Turn the Tank Capacity Mode off by pressing and the Alternate Numeric Display will turn off. 3. Press . The display will show OFF, to return to normal operation.
DS-220R User’s Guide Calibration The DS-220R is calibrated at the factory to provide high accuracy. While recalibration should seldom, if ever, be necessary, recalibration is performed easily without sending the product to the manufacturer for service. A known calibration weight (in kilograms) is required to recalibrate the scale, and can be any value between 5 kg and 100 kg. 25 kg is recommend. Best accuracy is obtained by using the largest weight available (i.e.
DS-220R User’s Guide Restoring Factory Calibration If you make a mistake recalibrating the DS-220R, you can always restore the factory calibration (and factory defaults) of the scale. To restore the factory settings perform the following steps: 1. Turn the power to the DS-220R off. 2. Remove any objects from the platform. 3. While holding , press and release . The DS-220R will turn on and 10 beeps will sound. The factory settings are now restored. 4.
DS-220R User’s Guide HVAC Service Because of its high stability and accuracy, the DS-220R is ideal for automotive, commercial, and residential A/C refrigerant charging and recovery. Its high resolution also allows accurate critical charging of small refrigeration systems such as commercial freezers. To use the DS-220R for refrigerant charging, perform the following steps: 1. Press to set the desired display units. 2.
DS-220R User’s Guide Warranty and Repair 1 Year Limited Warranty Core Enterprises, Inc. warrants that this AccuTools™ product conforms to Core Enterprises, Inc. published specifications and will be free from defects in material and workmanship. The duration is for a period of one year from the date of purchase. Core Enterprises, Inc., at its option, will repair or replace this product or any component of the product found to be defective during the warranty period.
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