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Summary of Contents for Nortec AIRFOG
- Page 1 AIRFOG Atomizing Humidifiers Installation, Operation, Maintenance, Spare Parts and Exploded Views Guide IMPORTANT: Read and save this guide for future reference. This guide to be left with equipment owner. FORM #04-217 1502247...
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Page 2: Table Of Contents
AIRFOG DEFINITION ......... . . 1 NORTEC AIRFOG FAMILY OF PRODUCTS ....... 1 PRINCIPLE OF OPERATION AFE SYSTEM . - Page 3 AIRFOG SYSTEM SHUT DOWN PROCEDURES SHORTENED SHUT DOWN PROCEDURE ....... 17...
- Page 4 Figure list FIGURE #1 TYPICAL NOZZLE LAYOUT ........4 FIGURE #2 MULTI ZONE LAYOUT.
- Page 5 FIGURE #24 AFE OCTO NOZZLE PLUMES ........14 CHART #1 CAPACITY OUTPUT VS.
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Page 6: Introduction
PRINCIPLE OF OPERATION AFE SYSTEM INTRODUCTION The AFE nozzle uses air flow (based on Bernoulli NOTE: Prior to installing any AIRFOG product principle) to siphon water out of zero psig water carefully READ through this entire guide, it contains distribution pipes. Increases in air velocity (by... -
Page 7: Absorption Distance
It is recommended that air free of oil and moisture developed by the Designer. Not all the necessary (control quality air) be used with AIRFOG systems. All parts are provided by Axair Nortec. The following air compressors will produce moisture which must be piece parts are supplied by others: removed using a refrigerated air dryer. -
Page 8: Installation
The NORTEC delivered parts should be checked against the Designer’s drawings and parts list to ensure the correct quantity of the correct part numbers are available. INSTALLATION NOZZLE SYSTEM LAYOUT If a drawing for the proposed system was not supplied, then it is recommended that one be created prior to installing the system. -
Page 9: Typical Nozzle Layout
Plastic Piping *Primary Air (by others) Pressure Control Section (Optional) 1/4" Polytube Control Lines * Nozzle Main Air * Humidistat * 24 Vac Transformer * Wall Bracket * Control Panel * Supplied by NORTEC Typical nozzle layout for wall mounted system... -
Page 10: Multi Zone Layout
Figure #2 Multi Zone Layout Main Air Supply P R V - P I L O T P R V - P I L O T Pilot regulator used to boost pilot control signal to the four zones Tap off main supply Air line use min. -
Page 11: Zones
#3 (“Water and Air Line Pressure Control”). Primary air pressure feed to each zone should not exceed 90 Each supplied NORTEC nozzle has a 3/8” NC 16 psig. Water feed pressure is not to exceed 25 psig for threaded port on the under side of the nozzle which is AFE, Mini and Octo hardware. -
Page 12: Connecting Nozzles
#6 (“Quick Release Fittings”). These fittings are only designed for use with 1/4” O.D. plastic tubing. If other Clamp than NORTEC supplied tubing is to be used, it must be a high grade uniform tubing from a reputable supplier. Screw... -
Page 13: Pilot Operated Air Regulator
On top of the vacuum valve is a thumb wheel vacuum valve below the water feed lines. adjustment for adjustment of the AIRFOG droplet size. The adjustment changes the availability of water to the The water flow rate through this valve is limited to nozzles. -
Page 14: Primary Air Pressure Control Section
to the water regulator. There are no manual PRIMARY WATER PRESSURE CONTROL SECTION adjustments required. The primary water pressure control section Figure #11 connects the main water supply. The shutoff valve Pilot Air Regulator Installation end of section is the inlet. The gauge end of the section is joined to the water inlet of the vacuum valve for AFE systems. -
Page 15: Electrical Wiring
The control panel panel requires an input pneumatic (air) control supply requires 24 Vac which is provided by the NORTEC which is usually tapped off the main air supply line supplied step down transformer (120 Vac to 24 Vac). -
Page 16: Afe Self Contained Airfog Systems
Figure #17 AFE SELF CONTAINED AIRFOG SYSTEMS Mini Installation 3 ft (1 m) minimum AFE MINI SYSTEMS AFE MINI systems are fully self contained requiring connections to the following interfaces: 15 ft (4.5 m) clearance each nozzle · 3/8” O.D. plastic or soft copper water supply line rated at a minimum of 25 psig. -
Page 17: Installation Procedure
and parts list will define the configuration. The only duct work, lighting, large equipment or other obstacles installation difference between the full modular system within the perimeter spray area of the unit. Figure #20 and the Octo is that the vacuum valve and pilot air (“Octo Spray Pattern”) illustrates this restraint. -
Page 18: Ceiling Mounting Of Octo
#24 (“AFE Octo Nozzle Plumes”) helps in visualization cut the tubing square and push one end into the fitting. of these AIRFOG plumes. Route the line back to control panel location. Figure #29. The center vertical rail is to be... -
Page 19: Airfog System Start-Up Procedures
Figure #24 Four Octo Units With A Single Control Panel Pilot In 1/4" Quick Disconnect Pilot Main Signal Water 1/2" Compression 3/8" Compression Fitting Fitting For Copper Tubing AFE Control Tube Must Exceed End Of Sleeve Replace Plastic Sleeve By a Min. Of 0.125" (3 mm) With The Supplied Brass Sleeve Plastic T ube... -
Page 20: Water Supply
The finer the water droplets the less the throughput of the system. Often there is · some excess capacity built into the AIRFOG The air pressure regulator knob in the primary system by the designer. This means that air pressure control section is to be adjusted some amount of water flow adjustment will not until its gauge indicates 90 psig. -
Page 21: Airfog System Shut Down Procedures
As an example, suppose the switch settings were: exit the pipe at the clean out valve. This means that the timer and the AIRFOG system Disconnect the 24 Vav transformer from the 110 would be OFF (i.e. in the scale 1 to 10 minutes) for a Vav supply. -
Page 22: Shortened Shutdown Procedure
For long periods (weeks or longer) of system down switch in the control panel, turn off the water pressure time, it is recommended that high pressure air is used at the main water pressure control section and turn off to blow all water out of the system. the air pressure at the primary air pressure control section. -
Page 23: Spare Parts
SEASONAL MAINTENANCE · The AIRFOG system is to be shutdown in accordance with the procedure described in In most cases there is a humidification season but the Shut Down section of this guide. -
Page 24: Checking For Vacuum Leaks
· Table #2 Adjust vacuum valve thumb wheel to zero Rebuild Kits force (spring backed off). Part # Description While system in operating, visually watch the spray pattern from the nozzles. 1603115 Rebuild Kit for 1603104 Norgren If the system is completely sealed (no vacuum pilot water regulator leaks in the water line) then once the system is turned on for the first time all nozzles should start spraying... -
Page 25: Troubleshooting
TROUBLESHOOTING Part Possible Failure Symptoms Solution Vacuum Valve Diaphragm Failure Nozzle sputter. Replace defective component. Low output. No output. Pilot Safety Regulator Nozzles sputter. Repair regulator using repair kit. Diaphragm Ripped Air in water line. Low output. No Output. Water drips from bonnet. Valve Seat O-Ring Pressure water line resulting in heavy Replace o-ring, rebuilt vacuum valve. -
Page 26: Octo Exploded Views
Figure #25 Octo Exploded Views M x 1 M x 1 T O F F T O N - 21 -... - Page 27 OCTO OCTO PLUS ITEM PART # DESCRIPTION 160-8000 Vacuum Valve For Octo 160-9209 AFE Nozzle 160-5233 Fttg Male Straight ½” - 3/8” NPT 160-5232 Fttg Male Straight 3/8” - 1/4” NPT 160-5213 Fttg Male Straight 1/4” T - 1/8” NPT 160-5248 Fttg Plug Plastic 1/8”...
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Page 28: Nozzles Exploded Views
Figure #26 Nozzles Exploded Views ITEM # PART # DESCRIPTION 160-4002 Nose Cone 160-4009 O-Ring Seal 160-4001 AFE Body 160-4008 Flat Washer 160-4038 Retaining Clip SST 160-4124 O-Ring Valve Seat 160-4011 Piston Seal 160-4003 AFE End Cap 160-5202 Swivel Male Elbow 160-4010 Rod Seal 160-4040... - Page 30 ITEM # PART # DESCRIPTION OCTO MINI STANDARD 160-4027 Thumb Wheel 160-4006 Spring SS 1.5 in 160-4021 V.V. Top Plate 160-4033 Nut 1/4” UNF SST 160-4034 Washer Self Sealing 160-4026 Polypropylene Disc 160-4025 Diaphragm 1/16 Neoprene 160-4020 V.V. Bottom Plate 160-4024 Valve Stem 160-3002...
- Page 32 ITEM # PART # DESCRIPTION MINI I/II 160-5208 Bulkhead union 1/4” tube 3 / 5 160-7050 Top cover plate 160-7039 Gasket for cover plate 160-7030 AFE enclosure 160-0027 Valve 4-way 24 Vac solenoid 160-5201 Union tee manifold panel 1 / 2 160-7037D Back plate 160-3080...
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Page 33: Limited Warranty
LIMITED WARRANTY AXAIR NORTEC INC. and/or AXAIR NORTEC LTD. (hereinafter collectively referred to as THE COMPANY), warrant for a period of two years from date of shipment, that THE COMPANY’s manufactured and assembled products, not otherwise expressly warranted, are free from defects in material and workmanship. No warranty is made against corrosion, deterioration, or suitability of substituted materials used as a result of compliance with government regulations. - Page 34 Axair Nortec Inc. Axair Nortec Ltd. P.O. Box 698 2740 Fenton Road 826 Proctor Avenue Ottawa, ON K1T 3T7 Ogdensburg, NY 13669 Tel: (613) 822-0335 Tel: (315) 425-1255 Fax: (613) 822-7964 e-mail: nortec@humidity.com A WMH COMPANY...
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