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Air Monitor Corporation
116-038-40.P65 (08/24/10)
Installation, Operation,
and Maintenance Manual
AUTO-purge III
Panel
Installation, Operation & Maintenance
Air Monitor Corporation provides complete
technical support between the hours of
7 a.m. and 5 p.m. PST, M-F
Contact our Service Department
Toll Free: 1-800-AIRFLOW
or fax us at 1-707-526-2825
AUTO-purge III - IO&M Manual
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Summary of Contents for Air Monitor AUTO-purge III
- Page 1 Air Monitor Corporation provides complete technical support between the hours of 7 a.m. and 5 p.m. PST, M-F Contact our Service Department Toll Free: 1-800-AIRFLOW or fax us at 1-707-526-2825 Air Monitor Corporation AUTO-purge III - IO&M Manual 116-038-40.P65 (08/24/10)
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Page 3: Table Of Contents
SECTION 8 – TROUBLE SHOOTING ..................... 11 SECTION 9 – CUSTOMER SERVICE CUSTOMER SERVICE ......................... 12 REPAIRS/RETURNS ........................12 WARRANTY REPAIR/RETURN ..................... 12 NON-WARRANTY REPAIRS/RETURNS ..................12 FIELD SERVICE ........................... 12 Air Monitor Corporation AUTO-purge III - IO&M Manual 116-038-40.P65 (08/24/10) -
Page 4: Instrument Warranty
This document contains confidential technical data, including trade secrets and proprietary information which are the sole property of Air Monitor Corporation. The use of said data is solely limited to use as specified herein. Any other use is strictly prohibited without the prior written consent of Air Monitor Corporation. -
Page 5: Section 1 - General Information
Air Monitor's Combustion Air Station or VOLU-probe/SS array. When initiated by an Air Monitor "smart" flow transmitter (such as the VELTRON II, VEL-trol II, or MASS-tron II) the AUTO-purge III activates a combination of fail-safe valves that route high pressure/high volume plant air to the flow measuring device for a short duration, while simultaneously isolating the flow transmitter from overpressurization. -
Page 6: Section 2 - Features
– External connection fittings are stainless steel FPT. *Stainless steel or fiberglass NEMA 4X enclosure optionally available. 2.2 – MULTIPLE OPERATING POWER OPTIONS The AUTO-purge III panel is available from the Factory in 24VAC, 24VDC, or 120VAC operating power. Power requirements: – 24VAC. -
Page 7: Section 3 - Installation
• The selected mounting location should be rigid and free of vibration. • The AUTO-purge III Panel should be mounted as close as possible to its associated flow measuring station or probes. In no case should the distance be greater than 50 feet. See Section 3.4 for appropriate line sizes. -
Page 8: Mounting
AUTO-purge III SECTION 3 – INSTALLATION 3.3 – MOUNTING • The AUTO-purge III Panel can be mounted in any position provided it is secured by all four mounting tabs. • Secure the AUTO-purge III Panel utilizing appropriate hardware. Figure 3.2 3.4 –... -
Page 9: Accumulator Tank
Electrical Connections (Connections Code H and J). See Section 3.6. 3.5 – ACCUMULATOR TANK For the optimum performance of the AUTO-purge III system, it is recommended that an accumulator tank be used as a reservoir for purge air (see Figure 3.1). Table 3.3 lists recommended tank sizes. -
Page 10: Electrical Connections
"smart" transmitters allow AUTO-purge programming. See Figure 3.3 below for wiring details. Figure 3.3 If a VELTRON DPT-plus is used in conjunction with the AUTO-purge III panel, a "smart" relay (R1) will be installed in the panel to perform purge management. See Figure 3.4 below for wiring details. -
Page 11: Section 4 - Set-Up
7. Retain the recorded pressures from Steps 5 and 6 as these will be a reference point for future tests. 8. Remove gauge installed in Step 4 and seal tee. Air Monitor Corporation AUTO-purge III - IO&M Manual 116-038-40.P65 (08/24/10) -
Page 12: Section 5 - Operation
(frequency, duration, and after-purge duration) are all set via transmitter programming. See specific IO&M Manual for details. If a VELTRON DPT-plus is used in conjunction with the AUTO-purge III panel, the "smart" relay installed in the panel will be performing the purge management. The supplied "smart" relay operating instructions should be consulted when verifying/changing any of the purge parameters. -
Page 13: Section 6 - Verification Of Purge Performance
SECTION 6 – VERIFICATION OF PURGE PERFORMANCE 6 – VERIFICATION OF PURGE PERFORMANCE This Section details a method of determining if the AUTO-purge III panel is effectively keeping total and static sensing ports free from clogging. At periodic intervals, Steps 4 through 6 of Section 4.1 should be performed. If either the total or static pressure sensing lines indicate an increase in pressure (without any increase in supply air pressure) of 10% or greater than the initial test pressure (recording during Set-Up), clogging could be occurring. -
Page 14: Section 7 - Maintenance
AUTO-purge III SECTION 7 – MAINTENANCE 7 – MAINTENANCE The AUTO-purge III panel does not contain any parts requiring special periodic maintenance. The following maintenance steps are not requirements but guidelines for establishing a maintenance program. 7.1 – INSPECTION – Verify that pressure gauge PI-1 is reading according to Section 4. -
Page 15: Section 8 - Troubleshooting
– Verify wiring is correct per Transmitter I,O&M Manual. occur. – Verify pressure at PI-1 is correct. See Section 4.1. If after following the Troubleshooting steps the AUTO-purge III continues to operate improperly, contact the Service Department for further assistance (see Section 9). Air Monitor Corporation AUTO-purge III - IO&M Manual... -
Page 16: Section 9 - Customer Service
Confirmation of Return Authorization with shipping instructions will be sent via facsimile. Equipment to be returned to Air Monitor should be returned in its original shipping container if possible. If this is not possible, ensure equipment is packaged sufficiently to protect it during shipment.
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