User's Guide Bedienungsanleitung Mode d'emploi Manuale
Contents
1. Valve Open Closed Indicator for use with REF METER PLUS P Resolution Indicator em es ee o REF METER OCTA User s Guide English 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 v Use to adjust various settings and programming values For faster adjustments Used in conjunction with ry and v Freezes display starts programming mode 85 3 5 3 gt 4 3 3 e ml D a Activates Deactivates stored program English REF METER OCTA User s Guide Quick Start To operate the REF METER OCTA as a basic weigh scale perform the following steps Setup 1 Unpack the scale as described in the Unpacking the REF METER OCTA 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 Turn the REF METER OCTA on by pressing 0 4 5 Select the proper measurement units by repeated pressing kel The units will cycle as follows kilograms gt pounds gt pounds and ounces gt ounces 6 Select the desired display resolution by repealedly pressing as described in the RESOLUTION section Basic Weighin eration 1 If using a container to hold the objects being measured place it empty on the center of the platfor2. section This will allow you to know at any time the percent of refrigerant remaining in the refrigerant cylinder 3 Carefully set the refrigerant cylinder on the weighing platform 4 Attach the cylinder to the charging manifold via a utility hose Open the cylinder valve and purge air from the hose 5 Pragram the desired refrigerant charge weight as described in the Programming section Activate the program by pressing 8 6 Open the manifold valve s T The display will indicate the weight charged as negative indicating refrigerant is being removed from the charging cylinder 8 If the refrigerant cylinder empties while charging a Close all valves b Press to freeze the display as described In the Hold Mode Section c Replace the empty refrigerant cylinder with a full one Attach and purge hoses d Press lo exit the Hold Mode e Open manifold valve s Charging will continue from where it left off 9 When charging is complete the alarm will sound Close all valves and press any key to cancel the alarm 14
3. steps 1 Setup the REF METER OCTA with the desired units and resolulion as described in the Quick Start Setup section above 2 f measuring decreasing weight place the objects or container with the objects or material that will be removed on the weighing platform 3 Press start the SET Mode indicated by the SET enunciator on the LCD display 4 Press and or hold the a or v keys to set the desired alarm sel point Ref To change the set paint faster press a This will activate the FAST SET mode which will change the set point 10x faster than normal Press again to return to the normal speed SET mode English REF METER OCTA User s Guide 5 Press The display will automatically change to zero and the RUN indicator will show to indicate that the program is running 6 When the applied or removed weight exceeds the programmed amount the alarm will sound and the DONE indicator will flash on the display 7T Press any key to stop the alarm B To cancel the RUN mode at any time press the 12 mode by pressing 2 and wish to RUN again press the previous set point will be restored followed Nc again The display will be zeroed when the program restarts You may program the SET mode without starting the RUN mode by pressing after sefting the program sel point The new value will be saved unlil next time the SET mode is activated can be used during the RUN mode similarly as described in the H
4. GH by repeated pressing LU on the keypad The table 1 illustrates the displayed resolution for each units mode vs resolution Regardless of the resolution setting the scale operates internally with the highest resolution therefore only the displayed value is affected TABLE 1 Resolution Settings REF METER OCTA User s Guide English Over Range Indication If the weight applied to the weighing platform exceeds the maximum capacity of the REF METER OCTA 100 kg a single 1 will be shown on the left side of the display To prevent damage to the REF METER OCTA immediately remove the weight from the platform Hold Mode A special feature of the REF METER OCTA allaws 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 Allow load to settle until display is steady 2 Press E The current weight is now locked on the display 3 Remove empty or replace objects bins or containers on the platform 4 Wait 5 seconds for the new load to stabilize 5 Press Measurements will continue from where they left off prior to initiating Hold Mode Programming With the REF METER OCTA a programmable threshold weight will sound an alarm The alarm will sound when the displayed weight either positive for increasing weight or negative for decreasing weight equals the programmed weight To program the alarm perform the following
5. OLD MODE section The REF METER PLUS provides additional functionality when using the RUN mode Refer fo the REF METER PLUS Users Guide for details Tank Capacity Mode It is often convenient to know the relative amount of material i e refrigerant remaining ina container tank The REF METER OCTA s Tank Capacity Mode allows a continuous display af the percentage of material remaining in a tank In order to compute the percentage accurately the REF METER OCTA must be trained to know the weights of an empty and full tank To train the REF METER OCTA Tank Capacity Mode perform the following steps REF METER OCTA User s Guide English 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 Turn the Tank Capacity Mode on by pressing The display will show ON and the Alternate Numeric Display and Percent Indicator will turn on Press to proceed to the first step of training 096 will flash in the Alternate Numeric Display indicating that the weight of an empty container must be registered Apply an empty container or a load representing the weight of an empty container on the platform Wait 5 seconds for the load to stabilize then press 100 will flash in the Alternate Numeric Display indicating that the weight of a full container must be registered Apply a full container or a loa
6. User s Guide Bedienungsanleitung Mode d emploi Manuale d uso Manual del usario ETER OCTA Electronic charging scale e Elektronische F llwaage e Appareil de charge lectronique e Bilancia elettronica e Balanza electronic HVAC R Service Products REFCO Manutacturng Ltd Telefon 4141 919 72 82 rest ease Tolofax 44 41 19072 83 English REF METER OCTA User s Guide Introduction Thank you for your purchase of the Refco REF METER OCTA Digital Charging Scale The REF METER OCTA 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 REF METER OCTA you can measure weight in both kgs and Ibs units The REF METER OCTA is programmable and has a built in alarm to indicate a programmed threshold has been exceeded Attaching the REF METER OCTA to the REF METER PLUS allows automatic refrigerant charging for A C systems Features Large high visibility LCD display e Measures weight in kgs lbs and oz Built in memory remembers all previous settings e Refrigerant Tank Capacity Indicator e Rugged Compact Design e Long Battery Life High Accuracy and Resolution e Programmable e Can be calibrated in the field with inexpensive reference weights e Thread for mounting 10612 REF for liquid filling and charging of refrigerants cans e Expand
7. able with REF METER PLUS Specifications Capacity 100 kilograms 220 Pounds Accuracy 0 5 of Reading 1 Least Significant Digit Resolution 2g 0 005 Ibs 0 1 oz Power 4 x 1 5V AAA Alkaline Batteries 6 VDC Battery Life 30 hours continuous use Operating Temperature 10C 40C 50F 104F Weight 3 0 kg 6 6 Ibs Dimensions 30 5 cm x 30 5 cm x 5 cm 12 0 x 12 0 x 1 96 NOTE To prevent damage never exceed the rated capacity of the REF METER OCTA REF METER OCTA User s Guide English Parts Diagram S Re ie Refrigerant Can optional 10612 REF optional Ki Easel Extended LCD Display Thread to mount 10612 REF Weighing Platform Button for Cable Storage Dock Easel auto reel v we Retracted Mounting a a Hooks Sh b fi E Le Optical Port e for REF Speaker METER PLUS 27 emm Em rai Control Box Rear View English REF METER OCTA User s Guide LCD Display EX Gig DON NC m OY OO o GE Itern Function A Main Numeric Displa B Alternate Numeric Display C Tank Capacity Percent Indication D Units Indicators E Sound Mute Indicator Floating Negative Indicator Indicates weight removed from platform Battery Level Indicator Fast Adjustment Indicator Set Mode Indicator Tank Capacity Mode Indicator K Run Mode Indicator L Hold Mode Indicator M Program Complete Indicator N Calibration Mode Indicator _
8. d representing the weight of a full container on the platform Wait 5 seconds for the load to stabilize then press This completes the training process and the SET TANK indicator will turn off From this point forward the Alternate Numeric Display will show the percent of material remaining in the container from 0 to 100 NOTE The 100 weight must be larger than the 096 weight by at least 200g If not Err will show on the Alternate Numeric Display To clear the error retrain as above using a 100 weight that is at least 200g larger than the 0 weight During training the ZERO key may be used to assist in setting the 0 and 100 values This will have no effect on the training as the Tank Capacity Mode relies on absolute not relalive weights 10 English REF METER OCTA User s Guide Perform the following steps to turn the Tank Capacity Mode Off Turning Tank Capacity Mode Off 1 While holding down press ai 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 The display will show OFF and the Alternate Numeric Display will turn off Rus 3 Press to return to normal operation The Tank Capacity Mode can be turned back on without retraining The REF METER OCTA will remember the previous 0 and 100 set points until the unit is re trained as above To turn the Tank Capacity Mode on withou
9. etween 5 kg and 100 kg 25 kg is recommend Best accuracy is obtained by using the largest weight available i e a 50 kg calibration weight will provide better calibration accuracy than a 5 kg calibration weight In addition it is necessary to know the weight to within 2 grams To recalibrate the REF METER OCTA perform the following steps 1 Place the REF METER OCTA weighing platform on a firm level surface 2 Turn the power to the REF METER OCTA off 3 Remove all objects from the platform 4 While holding press and release The REF METER OCTA will turn on and after a few seconds the display will show SET CAL and 25 000 kg 5 Using A or V adjust the displayed value in 1g increments so that it is equal to the weight of the reference calibration weight Use the key to adjust in 1 kg increments 6 Press DI A number representing the weight of the unloaded platform will appear on the display Press to lock in this value The display will read zero 7 Applythe calibration weight to the platform A number representing the applied reference weight will appear on the display Allow at least 10 seconds for this number to stabilize 8 Press DN The REF METER OCTA is now recalibrated to the reference weight 9 Referto the Quick Start section above for setting the desired Units and Resolution English REF METER OCTA User s Guide Restoring Factory Calibration If you make a mistake recalibrating the REF METER OCTA y
10. ing or folded at an angle for resting on a level surface Repacking the REF METER OCTA 1 If extended restore the easel of the control box to the retracted position 2 Hold the control box and press the yellow auto reel button on the side of the platform 3 Push the control box firmly into the storage dock of the weighing platform until it snaps in place 4 Replace the REF METER OCTA into the carry bag Battery Installation amp Replacement 1 Remove the battery cover from the rear of the control box by compressing tab at the base of the battery cover If necessary remove old set of batteries 3 Insert 4 AAA Replace battery cover by aligning tabs and snapping back into place IMPORTANT TO PREVENT DAMAGE TO THE REF METER OCTA CAREFULLY OBSERVE BATTERY POLARITY AS MARKED INSIDE THE BATTERY COMPARTMENT DO NOT LEAVE DEAD BATTERIES INSIDE THE CONTROL BOX REMOVE BATTERIES IF THE REF METER OCTA IS NOT TO BE USED FOR AN EXTENDED PERIOD OF TIME English REF METER OCTA User s Guide Resolution The resolution minimum incremental weight or volume than can be displayed by the REF METER OCTA 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 REF METER OCTA is set to MEDIUM resolution suitable for most E The resolution can be changed to LOW MEDIUM or HI
11. m 2 Press ta zero out the scale The display will read zero 3 Place the material to measure in the container or on the center of the platform 4 Read the weight an the display 5 A positive number indicates the applied weight is greater than the zero value A negative number indicates the applied weight is less than the zero value 6 Repeat sleps 1 through 5 as necessary T Turn the REF METER OCTA off by pressing and holding down until the scale turns off 8 To conserve battery life the REF METER OCTA will turn itself off after 30 minutes of Inactivity unless it is currently running a program see Programming section The last state of the REF METER OCTA will be restored upon power up REF METER OCTA User s Guide English Unpacking the REF METER OCTA 1 Remove the REF METER OCTA from the carry bag 2 Push the signed part of the control box to remove it from the storage dock The storage dock is placed on the low side of the weighing platform 3 Pull out the control box from the storage dock When using the REF METER OCTA ensure the cable does not touch the top of the weighing platform to avoid inaccuracies 4 lf desired extend the easel at the top back of the control box by pulling it out The easel may be used straight for hang
12. ou can always restore the factory calibration and factory defaults of the scale To restore the factory settings perform the following steps 1 Tum the power to the REF METER OCTA off 2 Remove any objects from the platform 3 While holding ei press and release The REF METER OCTA will turn on and beep 10 times The factory settings are now restored 4 Refer to the Quick Start section above for setting the desired Units and Resolution Sound As delivered from the factory the REF METER OCTA beeps when tuming on and when keys are pressed This sound can be muted as follows 1 Make sure the power is an 2 While holding e press The musical symbol on the left of the display will turn off to indicate that the sound has been muted Repeat steps 1 and 2 ta tum the sound back on NOTE The Mute function only affects the power on and key press beeps It has no effect on ihe alarm 13 REF METER OCTA User s Guide English HVAC Service Because af its high stability and accuracy the REF METER OCTA 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 REF METER OCTA for refrigerant charging perform the following steps 1 Press Gr set the desired display units 2 If desired set up the Tank Capacity Mode as described in the Tank Capacity Mode
13. t re training perform the following steps Turning the Tank Capacity Mode On without Re trainin 1 While holding down press DI 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 A The display will show ON and the Alternate Numeric Display and Percent Indicator will turn on RUN 3 Press to return to normal operation Battery Level Indicator The battery level indicator shows the relative strength of the batteries Full power is indicated by four bars As the batteries are depleted the number of bars displayed decreases until no bars are left At this point it is necessary to replace the batteries refer to the Battery Installation section above If the battery power drops to the point where the REF METER OCTA can no longer function accurately the power will turn off automatically When the batteries are replaced and the scale is turned back on the REF METER OCTA will resume operation with all previous setting intact 11 REF METER OCTA User s Guide English Calibration The REF METER OCTA 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 b
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