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Summary of Contents for VIAIR VMS 444DB
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Page 2: Important Safety Instructions
4. These compressors are moisture & splash resistant, but NOT WATERPROOF. Do not mount compressor in locations where the unit is likely to come in contact with water. 5. For remote filter mounting (sold separately), select compressor mounting location where air line can be routed from compressor air inlet to remote inlet air filter. Make sure Remote Inlet Air Filter is located in a dry location, away from the elements. 7. If it is necessary to mount air compressors further away from the battery, such as inside your vehicle or on the chassis of a pickup, use a minimum 8 AWG positive lead wire for remote installation. 8. Do not mount compressor near areas where flammable liquids are stored. 9. VIAIR suggests the use of a 40-Amp rated relay with each compressor (not included with this kit). ® 10. VIAIR also suggests the use of a 200 PSI maximum pressure switch to regulate on & off ® pressures. Pressure switch is not included with this kit. USER MANUAL... -
Page 3: Mounting And Wiring
DUAL 444C HIGH PERFORMANCE COMPRESSORS MOUNTING AND WIRING 1. Disconnect ground cable from vehicle's battery. 2. Temporarily position the air compressor in the location where it will be mounted. 3. Route ground wire to the negative post of the battery or to an appropriate grounding point and cut ground wire to length as needed. 4. Mount each air compressor with the four sets of bolts, nuts, washers, and locking washers provided. (See Fig. 2 for Mounting Instructions). Use of thread sealant is recommended. 5. Your air compressors come with heavy duty heat-resistant leader hose with 1/4" NPT fittings. This leader hose is designed to prolong the life of your air line. Do not remove the leader hoses from the air compressors. -
Page 4: Maintenance And Repairs
DUAL 444C HIGH PERFORMANCE COMPRESSORS OPERATING INSTRUCTIONS 1. IMPORTANT: Always operate the compressors at or below the MAXIMUM PRESSURE RATING of the compressor (200 PSI). 2. Always observe the MAXIMUM DUTY CYCLE of the air compressor. Refer to Compressor Applications and Specifications Sections of this manual for details. Operation exceeding maximum pressure ratings and/or duty cycle will result in damage to the air compressor. 3. Your air compressors are equipped with AUTOMATIC THERMAL OVERLOAD PROTECTORS. This feature is designed to protect the air compressor from overheating and causing permanent damage. The thermal overload protector will automatically cut power to your air compressor should the internal operating temperature of the air compressor rise above safe levels during excessive use. 4. Should at any time during use, your air compressors automatically shut off, do not attempt to restart them. Cut power to the air compressor. The automatic thermal overload protector will automatically reset when internal temperature of the air compressor drops below safe levels. After allowing air compressor to cool off for about 30 minutes, you can safely resume use of the air compressor. 5. To prevent discharge of your vehicle's battery, we recommend that you keep the vehicle's engine running while operating air compressors. 6. ONLY OPERATE AIR COMPRESSORS IN WELL-VENTILATED AREAS. 7. Compressor performance is enhanced when operating compressor with vehicle's engine running. 8. INSTALLATION TIP: Always plumb your system using a separate tank port for each compressor leader hose. - Page 5 DUAL 444C HIGH PERFORMANCE COMPRESSORS COMPRESSOR APPLICATION GUIDE To ensure that you get the highest level of satisfaction from your compressor's performance, refer to information below: VIAIR COMPRESSOR REFERENCE CHART ® COMPRESSOR SERIES MAX. WORKING PRESSURE DUTY CYCLE (100 PSI @ 72°F) 090 SERIES 120 PSI 9% 092 SERIES 120 PSI 9% 095 SERIES 120 PSI 9% 097 SERIES 130 PSI 10% 098 SERIES 130 PSI 10% 100 SERIES 130 PSI 15% 250 IG SERIES 150 PSI...
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Page 6: Troubleshooting Guide
DUAL 444C HIGH PERFORMANCE COMPRESSORS TROUBLESHOOTING GUIDE: PROBLEM POSSIBLE CAUSE(S) CORRECTIVE ACTION Tank pressure drops when 1. Loose drain cock 1. Tighten drain cock compressor(s) shut off 2. Check valve leaking 2. Replace check valve or 3. Loose connections compressor(s) 3. Check all connections with soap and water solution and tighten Compressor runs 1. Excessive air usage 1. Decrease air usage continuously and air flow 2. Loose connections 2. - Page 7 DUAL 444C HIGH PERFORMANCE COMPRESSORS Wiring Diagram: (Relays, Pressure Switch & Fuse Not Included) USER MANUAL...
- Page 8 DUAL 444C HIGH PERFORMANCE COMPRESSORS LIMITED WARRANTY: VIAIR Corporation warrants this product, when properly installed and under normal conditions of use, to be free from defects in ® workmanship and materials for a period of one year from its original date of purchase. To receive warranty service or repair, please contact VIAIR Corporation. ® Returns should be made within one year of the date of purchase, after a Return Goods Authorization (RGA) number has been assigned by VIAIR Corporation. To obtain RGA, fax a copy of your receipt to (949) 585-0188. For complete warranty details, please ® visit: www.viaircorp.com/warranty PLEASE NOTE: THIS WARRANTY COVERS PRODUCT DEFECTS ONLY; IT DOES NOT COVER INCIDENTAL OR CONSEQUENTIAL DAMAGES AS RESULT OF MISUSE OR ABUSE. This Manual is proprietary to VIAIR Corporation and no ownership rights are hereby transferred. No part of the Manual shall be ® used, reproduced, translated, converted, adapted, stored in a retrieval system, communicated or transmitted by any means, for any commercial purpose, including without limitation, sale, resale, license, rental or lease, without the prior express written consent of VIAIR ® VIAIR does not make any representations, warranties or guarantees, express or implied, as to the accuracy or completeness of the ® Manual. Users must be aware that updates and amendments will be made from time to time to the Manual. It is the user's responsibility to determine whether there have been any such updates or amendments. Neither VIAIR nor any of its directors, officers, employees ® or agents shall be liable in contract, tort or in any other manner whatsoever to any person for any loss, damage, injury, liability, cost or expense of any nature, including without limitation incidental, special, direct or consequential damages arising out of or in connection with the use of the Manual. 15 EDELMAN • IRVINE, CA 92618 TEL: (949) 585-0011 • FAX: (949) 585-0188...
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