Wireless Vacuum Gauge Operation and Maintenance Instructions Model 1950217 TABLE OF CONTENTS Introduction ........................................................................................................2 Safety & Limited Warranty ............................................................................3 Certifications ......................................................................................................4 Quick Start Guide ..............................................................................................5 Wireless Vacuum Gauge Components .....................................................6 Screen & Button Layouts ...............................................................................7 Technical Specifications ................................................................................8 Operating Instructions ............................................................................. 9-10 Advanced Setting ............................................................................................ 11 Maintenance .....................................................................................................12 Troubleshooting ..............................................................................................13 1-800-628-8810 1 INTRODUCTION It is important to read the entire instruction manual carefully for a complete understanding of the hilmor Wireless Vacuum Gauge features, limitations, and specifications before use. hilmor products are designed and manufactured to be used by trained and licensed HVAC/R technicians. Incorrect use may result in accidents, injuries or death. Refer to page 3 for safety precautions. The hilmor Wireless Vacuum Gauge come with a two-year limited warranty. Visit hilmor.com/registration to register the gauge and activate the warranty. The hilmor Wireless Vacuum Gauge offers the ability to replace the remote sensor if the original one gets contaminated. This manual should also be referred to when changing out the remote vacuum sensor. The serial number can be found on the product label located on the backside of both the Handheld Display and Remote Sensor unit. hilmor Wireless Vacuum Gauge Replacement Sensor part number: 1950219 2 hilmor.com SAFETY/LIMITED WARRANTY SAFETY PRECAUTIONS:
To prevent personal injury, please read the operating manual carefully and operate only as instructed. Wear safety glasses, gloves and all other recommended safety gear when working with refrigerants. Contact with refrigerants may cause injury. Please see any warnings associated with refrigerants. LIMITED WARRANTY:
The hilmor Wireless Vacuum Gauge has a 2-year limited warranty from the purchase date. Product must be registered at hilmor.com/registration to activate the warranty. Warranty service claims are subject to authorized inspection for product defects. If found defective, hilmor will repair or replace registered products within warranty period. Often, a returned hilmor Wireless Vacuum Gauge can be serviced with field maintenance, such as cleaning or replacing the remote sensor or making minor adjustments found in the Troubleshooting section of this manual. If the problem persists, contact hilmor Technical Support at 1-800-642-0010 or visit the hilmor website, hilmor.com. 1-800-628-8810 3 CERTIFICATIONS This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions:
1. This device may not cause harmful interference, and 2. This device must accept any interference received, including interference that may cause undesired operation of the device. NOTE: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:
Reorient or relocate the receiving antenna. Increase the separation between the equipment and receiver. Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. Consult the dealer or an experienced radio/TV technician for help. Changes or modifications not expressly approved by the party responsible for compliance could void the users authority to operate the equipment. This device complies with Industry Canada license-exempt RSS standard(s). Operation is subject to the following two conditions:
1. This device may not cause interference, and 2. This device must accept any interference, including interference that may cause undesired operation of the device. Le present appareil est conforme aux CNR d'Industrie Canada applicables aux appareils radio exempts de licence. L'exploitation est autorisee aux deux conditions suivantes : (1) l'appareil ne doit pas produire de brouillage, et (2) l'utilisateur de l'appareil doit accepter tout brouillage radioelectrique subi, meme si le brouillage est susceptible d'en compromettre le fonctionnement. 4 hilmor.com QUICK START GUIDE Install batteries into Handheld Display and Remote Sensor. Power On Handheld Display and Remote Sensor. Handheld Display and Remote Sensor will sync automatically:
observe reading on Handheld Display. Connect Remote Sensor to Valve Core Removal Tool or Refrigerant Hose using Female-Female Adaptor if needed. Pull vacuum to desired vacuum reading. Quick Change-Out Guide for Replacement Sensor:
Purchase the hilmor Wireless Vacuum Gauge Replacement Sensor. Unscrew the 2 flathead screws on the back of the Remote Sensor. Disconnect the 2 white plugs that connect the Remote Sensor to the Replacement Sensor. Plug in the new Replacement Sensor and gently tuck the wires into the Remote Sensor body. Screw the door back on to the Remote Sensor to secure the Replacement Sensor. Turn on the Handheld Display to automatically sync. 1-800-628-8810 5 WIRELESS VACUUM GAUGE COMPONENTS Remote Sensor SYNC Indicator Light Power/SYNC Button Remote Sensor Transmitter Replacement Vacuum Sensor 1/4" Male Fitting Power/Backlight Button Function Button 6 hilmor.com 1/4" Female-to-Female Adapter Handheld Display LCD Screen Up/Down Arrows SCREEN & BUTTON LAYOUTS SCREEN ICONS check sensor Pa kPa
.8.8.8.8.8.8
.0.0.0.8 mTorr Torr mmHG micron units/min alarm moisture
.8.8.8. 8.8.8.8 low point high point BUTTONS Power/Backlight Button Function Button Sync /
Signal Strength check sensor Check Sensor Connection Lost Battery Level Pressure Reading Units of Vacuum
.0.0.0.8 units/min Rate of Change alarm Alarm ON moisture Moisture Detected Alarm Set Value - Low Alarm Set Value - High Vacuum Progress Bar Scroll Up Scroll Down 1-800-628-8810 7 TECHNICAL SPECIFICATIONS Part Number 1950217 Replacement Sensor Part Number 1950219 Batteries Handheld Display AA Alkaline (3) Remote Sensor AAA Alkaline (3) Wireless Range 33 Feet unobstructed Remote Sensor Connection Fitting 1/4" male flare Adapter Accessory Acuracy 1/4" 45 Flare Female x 1/4" 45Flare Female
+/- 5% of reading +/- 10 microns Resolution Units Operating Temperature Operating Humidity 5 to 2,000 microns - 1 micron 2,000 to 5,000 microns - 100 microns 5,000 to 10,000 microns - 250 microns 10,000 to ATM - 1,000 microns micron, mTorr, Torr, mmHg, mBar, kPa and Pa
-20C to 50C, -4F to 122F Up to 75% relative humidity Temperature Compensation Range 0C to 50C , 32F to 122F Max Momentary Overpressure 300 PSI Refresh Rate Set Point Alarm Power Management Battery Life Every 0.5 seconds User Programmable - See Advanced Settings Sleep Mode and configurable backlight - See Advanced Settings 80 hours without backlight Dimensions Handheld Display 2.95" x 4.62" .90"
Remote Sensor 2.20" x 5.7" 1.5"
Weight Hand Held Display Remote Sensor Unit 9 oz. 4.8 oz. 8 hilmor.com OPERATING INSTRUCTIONS BATTERIES:
1. Use a flat head screwdriver to open the battery compartment on the backside of both the Handheld Display and Remote Sensor. 2. Install (3) AA Alkaline batteries into the Handheld Display according to polarity. 3. Install (3) AAA Alkaline batteries into Remote Sensor according to polarity. 4. Re-secure Handheld Display and Remote Sensor battery doors. POWER ON:
1. Press power button on Handheld Display and Remote Sensor. 2. Confirm sync has been established by observing a pressure reading on Handheld Display and by viewing signal strength icon. VACUUM GAUGE SYSTEM CONNECT:
Connect Remote Sensor to Valve Core Removal Tool side flare or Refrigerant Hose using Female-Female Adaptor if needed (included). Best Practices:
Minimize the number of hoses and fitting connections
(including manifold) to reduce leaks. Use hilmor Valve Core Removal Tool accessory port as close as possible to the system for more accurate readings. TO CHANGE THE UNIT OF MEASURE ON THE HANDHELD DISPLAY:
1. Hold down the Function button to open menu. 2. Press Function button to navigate to unIt submenu. 3. Press arrow button to change unit of measure: micron, mTorr, Torr, mmHg, mBar, kPa and Pa. 4. Hold down Function button to save and exit. 1-800-628-8810 9 OPERATING INSTRUCTIONS CONT. Moisture Function When the vacuum pump is blanked off to observe vacuum level and the pressure is below 1,000 microns, moisture detection feature will activate automatically. If the feature detects moisture the handheld unit will display the moisture icon and beep 3 times. If the pressure rises above 2,000 microns the feature is deactivated. REPLACEMENT SENSOR To change out the Replacement Sensor:
1. Remove the batteries from the Remote Sensor. 2. Purchase the hilmor Wireless Vacuum Gauge Replacement Sensor (1950219). 3. Unscrew the 2 flathead screws on the back of the Remote Sensor to remove the door. Note - these are captive screws, designed so that they cannot fall out and be lost. 4. Gently remove the replaceable sensor from the Remote Sensor housing and disconnect the wires. 5. Plug the new Replacement Sensor in by carefully connecting the male ends of the white plugs to the female white plugs on the Remote Sensor Transmitter. Gently tuck the colored wires inside of the Remote Sensor body. 6. Re-attach the 2 flathead screws to secure the Replacement Sensor. 7. The Replacement Sensor has been pre-
calibrated by hilmor, so it does not need any calibration. 8. Make sure the Handheld Display is powered on and the new Remote Sensor should auto-sync. 10 hilmor.com ADVANCED SETTINGS High And Low Pressure Point Alarms To set high and low alarm values:
1. Hold down Function button to open menu. 2. Press Function button to navigate to H Po or L Po submenu. 3. Press arrow button to scroll through desired alarm. 4. Hold down Function button to save and exit. Backlight To adjust backlight settings:
1. Hold down Function button to open menu. 2. Press Function button to scroll to the BL submenu. 3. Use arrow buttons to select backlight condition: ON, 1 minute, 5 minute, 10 minute, or OFF. 4. Hold down Function button to save and exit. 5. Note while the backlight is ON, press the SYNC button to toggle on or off from the home screen. Sound To turn sound on/off:
1. Hold down Function button to open menu. 2. Press Function button to scroll to the BEEP submenu. 3. Use arrow buttons to select ON or OFF. 4. Hold down Function button to save and exit. 1-800-628-8810 11 MAINTENANCE Battery Replacement: Replace batteries as needed. Battery indicator will show when level is low. Connection between Handheld Display and Remote Sensor may also be lost when battery level is low. Cleaning the Sensor area:
1. Remove batteries from the Remote Sensor unit. 2. Use tweezers to carefully remove the fabric filter element. 3. Fill the opening halfway with denatured alcohol. 4. Cover the opening and shake Remote Sensor unit for about 15 to 30 seconds, allowing the alcohol to clean the sensor. 5. Dry the sensor cavity by draining onto clean cloth. 6. Repeat process at least three times for best results. 7. Re-install batteries. Notes:
Do not attempt to clean with cotton swab or other similar products. After contamination, cleaning the vacuum gauge sensor using the above procedure may improve sensor accuracy but, for most accurate reading, replace suspect sensors. 12 hilmor.com TROUBLESHOOTING Issue Potential Cause Solution One of the unused inlet fitting caps is loose O-Rings on Hoses, Vacuum Pump or Adapter is damaged Insufficient or Contaminated Oil System Leak Vacuum Pump performance issue Contaminated or Damaged Sensor Power issue SYNC Lost - Remote Sensor will flash quickly & handheld
"No SYNC" icon is displayed Low Battery - LED indicator will flash Contaminated or Damaged Sensor Tighten all caps securely Replace O-Rings Add new hilmor vacuum pump oil to proper level Pressure check the system for leaks Choose the correct CFM and vacuum pump for the system Clean or replace remote sensor Restart Handheld and Remote Sensor Ensure remote sensor &
handheld are within 33ft. Range unobstructed. If this does not solve the problem, replace batteries Replace Batteries Check sensor filter for discoloration. Clean or replace if necessary Failure to Achieve Proper Vacuum No Measurements displaying on Handheld Erratic Readings Sensor damaged from over-
pressurization Replace remote sensor If these procedures do not correct the issue, contact your nearest hilmor distributor or call hilmor Technical Support at 1-800-642-0010 1-800-628-8810 13 hilmor.com + 1-800-628-8810 2017 hilmor