Nortec AIRFOG Installation & Operation Manual Download Page 1

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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

Summary of Contents for AIRFOG

Page 1: ...omizing 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 ...

Page 2: ...NSTALLATION 3 NOZZLE SYSTEM LAYOUT 3 ZONES 6 SUPPLY AND FEED LINES 6 CLEANING 6 MOUNTING OF NOZZLES 6 CONNECTING NOZZLES 7 SADDLE CLAMP INSTALLATION 7 VACUUM VALVE 7 PILOT OPERATED AIR REGULATOR 8 PRIMARY AIR PRESSURE CONTROL SECTION 9 PRIMARY WATER PRESSURE CONTROL SECTION 9 CONTROL PANEL 9 ELECTRICAL WIRING 10 PILOT LINES 10 AFE SELF CONTAINED AIRFOG SYSTEMS 11 AFE MINI SYSTEMS 11 AFE OCTO SYSTE...

Page 3: ...OCEDURES 16 SHORTENED SHUT DOWN PROCEDURE 17 MAINTENANCE 17 SPARE PARTS 18 SEASONAL MAINTENANCE 18 SEASONAL STARTUP PROCEDURE 18 UNSCHEDULED MAINTENANCE 18 VACUUM VALVE TESTING 18 CHECKING FOR VACUUM LEAKS 19 TROUBLESHOOTING 20 ...

Page 4: ... FIGURE 11 PILOT AIR REGULATOR INSTALLATION 9 FIGURE 12 PRIMARY AIR PRESSURE CONTROL SECTION 9 FIGURE 13 PRIMARY WATER PRESSURE CONTROL SECTION 9 FIGURE 14 AFE CONTROL PANEL INTERFACES 9 FIGURE 15 CONTROL PANEL TERMINAL STRIP INTERFACES 10 FIGURE 16 SCHEMATIC PLUMBING LAYOUT 10 FIGURE 17 MINI INSTALLATION 11 FIGURE 18 PLUMBING END CONNECTIONS 11 FIGURE 19 OCTO LAYOUT AND INTERFACES 12 FIGURE 20 OC...

Page 5: ...M VALVE ADJUSTMENT 16 CHART 2 AFE CAPACITY CHART 16 TABLE 1 CLEANING TIMER SWITCH SETTINGS 17 TABLE 2 REBUILD KITS 20 FIGURE 25 OCTO EXPLODED VIEWS 21 FIGURE 26 NOZZLES EXPLODED VIEWS 23 FIGURE 27 VACUUM VALVE EXPLODED VIEWS 24 FIGURE 28 CONTROL PANEL EXPLODED VIEWS 26 ...

Page 6: ...reasing air pressure will increase the vacuum pressure and hence more water is siphoned into the nozzle As the water exits the nozzle it is broken down into a fine mist by a shearing action Increases in air supply pressure also means that the exiting mixed flow is at a higher velocity Since AFE nozzle systems use a zero psig water pressure feed network the water feed system and nozzles must be hor...

Page 7: ...G SYSTEM COMPONENTS This document is applicable to all NORTEC AIRFOG system components purchased after February 2004 If the designer has access to system components purchased prior to February 2004 the Axair Nortec Technical Service Department should be consulted to determine compatibility with the newer equipment parts and external interfaces INSTALLATION TOOLS AND EQUIPMENT The Designer should h...

Page 8: ...r structures should be drawn on the floor plans The proper selection and location of the nozzles is very dependent upon these obstructions Figure 1 Typical Nozzle Layout can be used as a guide for identifying the various components used with a system The supply and feed lines for the system should be kept in straight unobstructed lines where possible Air and water distribution network pipes are to...

Page 9: ... Piping Type L or Rigid Plastic Piping by others 1 4 Polytube Control Lines Humidistat 24 Vac Transformer Control Panel Main Air Primary Air Pressure Control Section Optional Pilot Operated Air Regulator Vacuum Valve Pilot Water Regulator for AFU System Air Water Wall Bracket Supplied by NORTEC Figure 1 Typical Nozzle Layout ...

Page 10: ... Primary Water Pressure Control Primary Air Pressure Control Ball Valve Ball Valve Water Side Vacuum Valve Pilot Air Regulator Nozzle Pilot Line Pilot regulator used to boost pilot control signal to the four zones Tap off main supply Air line use min 3 8 I D copper or plastic line Main Air Supply Figure 2 Multi Zone Layout ...

Page 11: ...tings to the pipe CLEANING Clean out valves must be installed at the ends of all lines to facilitate cleaning and drainage of lines Cleaning is done by temporarily connecting the pipes to a compressed air source at one end of the pipe The other end of the pipe must not be connected to any equipment but be free to allow the egress of foreign matter Care must be taken to protect personnel animals ma...

Page 12: ...to place using the provided screws The saddle clamp has a 1 8 FNPT port install either the supplied compression fitting or another style fitting suitable for plastic tubing Two saddle clamps one for air and one for water are required for each nozzle NOTE Not to be used with DI water NOTE For DI water use stainless steel tee VACUUM VALVE The vacuum valve must be centrally located so there are appro...

Page 13: ... on each of its two sides This permits the nozzle to draw water from the supply as it is required rather than having pressure force it into the nozzle This siphoning action of the nozzle is controlled by the pilot operated air regulator On top of the vacuum valve is a thumb wheel adjustment for adjustment of the AIRFOG droplet size The adjustment changes the availability of water to the nozzles Th...

Page 14: ...utoff valve 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 See Figure 13 Primary Water Pressure Control Section CONTROL PANEL Bolt the panel directly to the surface through the mounting holes Place the panel level against the 9 1 2 NPT Brass Union 1 2 NPT Brass Union 1 2 FNPT 1 2 FNPT Brass Y Type Strainer 1 2 NPT Pressure ...

Page 15: ...tems use terminal 3 4 5 on the 7 terminal block strip as follows terminal 3 is to be connected to the terminal on the controller terminal 4 is to be connected to the terminal on the controller and terminal 5 is for 24 Vac supply to the controller This is illustrated in Figure 15 Control Panel Terminal Strip Interfaces PILOT LINES All air pressure lines connecting to the control panel must be 1 4 O...

Page 16: ...ounting bracket hardware or bolt panel directly onto the wall surface via the mounting holes Place the panel level against the surface and mark the drill holes Remove the panel and drill the holes hole size to match field supplied lag bolts and anchors Replace the panel and secure using bolts Install water and air supply lines Both water and air lines should have an isolation valve installed near ...

Page 17: ...ons Prior to mounting check the proposed location and ensure there are no obstacles such as duct work lighting large equipment or other obstacles within the perimeter spray area of the unit Figure 20 Octo Spray Pattern illustrates this restraint The Octo unit should be installed as high as possible above the floor any equipment or work space Adiabatic cooling is often uncomfortable to people occup...

Page 18: ...re 23 Four Octo Units With A Single Control Panel If more than four Octo s are to be controlled from one control panel use a pilot air regulator or a volume booster for the pilot line Octo Plus units do not require a separate control panel as there is one mounted within the unit All that is necessary is to connect it electrically as explained on page 10 of this manual under Electrical Wiring Contr...

Page 19: ...ce and the control panel power indicator light is illuminating The humidistat is set at 100 relative humidity COMPRESSED AIR SUPPLY The clean out valves on the ends of the supply pipes must be closed The on off valve of the primary air pressure control section is opened to the ON position The handle should be in line with the pipe as opposed to 90 degrees to it The control panel switch is turned t...

Page 20: ...rt 1 Capacity Output vs Vacuum Valve Adjustment Chart 2 AFE Capacity Chart Adjustment of the thumb screw on the vacuum valves done by turning the adjustment wheel on top of the vacuum valve clockwise the water flow rate can be decreased until there is a fine spray pattern from the nozzles Some experiments adjusting this valve will produce an optimum look and feel of the spray pattern The finer the...

Page 21: ...r can be secured and the locking nuts on the primary air and water regulators can be tightened AIRFOG SYSTEM SHUT DOWN PROCEDURES Controlled system shutdowns are conducted for either maintenance scheduled or repair or long term seasonal reasons If the shutdown is for short term maintenance then it may be possible to shorten this full procedure The following procedures are the recommended method to...

Page 22: ...ctivity normally conducted in the repair workshop which consists of disassembly of system parts so that repair kits can be used to return parts to the operational spare category The two most probable maintenance problems are The accumulation of dirt and mineral deposits in on the nozzle Air and water leaks that may be due to marginal workmanship during installation but not obvious until after many...

Page 23: ...e Shut Down section of this guide Each nozzle shall be cleaned of mineral water deposits and accumulated dirt using the procedure described in the Maintenance section of this guide Each nozzle should be lubricated using a silicone based lubricant The compressor manual should be consulted for its recommended seasonal maintenance SEASONAL STARTUP PROCEDURE A detailed visual inspection of all air and...

Page 24: ...ce the control panel pressure to 40 psig Adjust thumb wheel tension by turning it in a clockwise direction There should be a visual difference in the output of the nozzles as more tension is applied to the spring Be sure not to press down on the thumb wheel while turning it Release the thumb wheel tension and once again there should be a noticeable change in the nozzle output The spring tension of...

Page 25: ...r pressure Repair Stuck Closed Or Open Unable to adjust pressure Disassemble and clean Pilot Water Regulator Damaged Diaphragm Loss in water pressure No water pressure Uncontrolled water pressure Repair Stuck Closed Or Open Unable to adjust pressure Disassemble and clean Solenoid Valve Burnt Coil Valve does not activate Replace Blocked No pressure leaving the valve Clean Stuck Closed Or Open Dirty...

Page 26: ... 21 0 5 1 0 1 5 2 0 2 5 30 T OFF T ON H M x 1 H M x 1 1 2 3 4 5 6 1 2 3 4 5 6 7 8 9 10 11 12 9 13 14 18 17 16 19 20 21 9 22 15 23 16 24 25 Figure 25 Octo Exploded Views ...

Page 27: ... 11 160 3021 Pilot Lamp Assembly 0 0 0 1 1 1 12 160 3006 Plastic Panel Nut 0 0 0 1 1 1 13 160 3001 Regulator Air Panel Mount 0 0 0 1 1 1 14 160 3050 Repeat Cycle Timer 0 0 0 1 1 1 15 160 3051 Mount For Timer 8 Pin Socket 0 0 0 1 1 1 16 160 5208 Bulkhead Union 1 4 T 1 1 1 2 2 2 17 160 5241 Fttg Plastic Union Tee T 0 0 0 1 1 1 18 160 5242 Fttg T Stem AD T 1 4 NPT 0 0 0 1 1 1 19 160 5243 Fttg Plastic...

Page 28: ...Cone 1 2 160 4009 O Ring Seal 2 3 160 4001 AFE Body 1 4 160 4008 Flat Washer 2 5 160 4038 Retaining Clip SST 2 6 160 4124 O Ring Valve Seat 1 7 160 4011 Piston Seal 1 8 160 4003 AFE End Cap 1 9 160 5202 Swivel Male Elbow 2 10 160 4010 Rod Seal 4 11 160 4040 Cleaning Needle 1 12 160 4039 Piston 1 13 160 4036 Spring 1 ...

Page 29: ... 18 12 13 14 13 15 17 16 18 19 10 20 21 22 0 5 1 0 1 5 20 2 5 3 0 Octo Vacuum Valve Mini Vacuum Valve Vacuum Valve 1 2 3 4 5 6 7 8 21 9 22 19 20 28 10 14 13 12 24 15 17 11 18 17 29 15 25 25 26 10 14 13 12 27 16 Figure 27 Vacuum Valve Exploded Views ...

Page 30: ... 1019 Fttg Nipple 1 4 NPT hex x 1 0 0 1 160 1044 Fttg Nipple 1 4 NPT hex x 1 Plastic 0 0 1 14 160 3008 Pressure Gauge 1 1 2 1 8 CB 0 30 1 1 1 15 160 4022 Valve Body 1 1 1 16 160 4023 Valve Seat 1 1 1 17 160 4122 O Ring Body Valve 118 2 2 2 18 160 5217 Fttg 3 8 T 1 4 NPT 1 0 3 19 160 4028 Bolt 1 4 x 2 UNF 6 6 6 20 160 4029 Nut 1 4 c w star washer 6 6 6 21 160 4031 O Ring 1 1 1 22 160 4032 Bracket W...

Page 31: ... 26 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 17 19 20 21 22 23 24 26 28 29 3 10 30 27 25 16 Figure 28 Control Panel Exploded Views ...

Page 32: ...160 3050 Repeat cycle timer 1 1 13 160 7043 Control panel door 1 1 14 160 3200 Pressure gauge panel mtg bars 1 1 15 149 3096 Lamp green indicator 1 1 16 145 3001 Switch on off 1 1 17 160 3023 Lamp amber indicator 1 1 19 160 3006 Plastic panel nut 1 1 20 160 3062 Valve 3 way 24 Vac solenoid 0 1 21 160 3001 Regulator panel mount air 1 1 22 160 5202 Fitting swivel male elbow 4 3 23 160 3051 Mount for...

Page 33: ... by law No liability whatsoever shall be attached to THE COMPANY until said products have been paid for in full and then said liability shall be limited to the original purchase price for the product Any further warranty must be in writing signed by an officer of THE COMPANY THE COMPANY s limited warranty on accessories not of AXAIR NORTEC s manufacture such as controls humidistats pumps etc is li...

Page 34: ...nc P O Box 698 826 Proctor Avenue Ogdensburg NY 13669 Tel 315 425 1255 e mail nortec humidity com Axair Nortec Ltd 2740 Fenton Road Ottawa ON K1T 3T7 Tel 613 822 0335 Fax 613 822 7964 A WMH COMPANY PRINTED IN CANADA ...

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