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Nortec Industries Airfog Series manual

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Table of contents for the manual

  • Page 1

    2008-04-11 1502247-C AIRFOG Series Atomizing Humidifier Inst allation Manual TM[...]

  • Page 2

    2008-04-11 PROPRIETARY NOTICE This document and the info rmation disclosed herei n are propriet ary data of W AL TER MEIER L TD. Neither this document nor the information cont ained herein shall be reproduced used, or disclosed to others without the written authoriza tion of W AL TER MEIER L TD., except to the extent required for installation or ma[...]

  • Page 3

    2008-04-11 TABLE OF CONTENTS Subject Page 10-00 INTRODUCTION 1. INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 A. AIRFOG DEFINITION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 B. NORTEC AIRFOG FAMILY [...]

  • Page 4

    2008-04-11 10-40 SHUT-DOWN PROCEDURE 1. AFE, MINI, AND OCTO SHUT DOWN PROCEDURES . . . . . . . . . . . . . . . . . . . . . . . . . 36 10-50 MAINTENANCE 1. MAINTENANCE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38 2. SEASONAL MAINTENANCE . . . . . . . . . . . . . . . . . . . . . . . [...]

  • Page 5

    2008-04-11 LIST OF FIGURES Figure Page 10-10 INSTALLATION PROCEDURES Figure 1. Typical Nozzle Layout for Wall Mounted System . . . . . . . . . . . . . . . . . . . . . . . . . 9 Figure 2. Multi Zone Layout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 Figure 3. Water and Air Line Pressure Control.[...]

  • Page 6

    2008-04-11 LIST OF TABLES T able Page 10-60 TROUBLESHOOTING Table 1. Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 2 10-70 SPARE PARTS Table 1. Rebuild Kits and General Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46 Table 2. Octo Spare Parts.[...]

  • Page 7

    2008-04-11 THIS P AGE INTENTIONALL Y LEFT BLANK[...]

  • Page 8

    10-00 Page 1 2008-04-11 10-00 INTRODUCTION[...]

  • Page 9

    10-00 Page 2 2008-04-11 1. INTRODUCTION NOTE Prior to installing any AIRFOG product carefully READ through this entire guide, it contains valuable information, which will assist in all aspe cts of the installation. A. AIRFOG DEFINITION (1) NORTEC AIRFOG systems use the nozzl e humidification technology of injecting droplets of cold water directly i[...]

  • Page 10

    10-00 Page 3 2008-04-11 (2) Since AFE nozzle systems use a zero psig water pressure f eed network, the water feed system and nozzles must be horizontal and at the same height as the water pressure reduction regulator (vacuum valve). Valleys or dips in altitude will adversely affect performanc e and in extreme cases will prevent the nozzles from pro[...]

  • Page 11

    10-00 Page 4 2008-04-11 solution, system reliability is increased, maintenance is possi ble without shutting down all zones, and capital cost is often reduced. (2) It is recommended that air free of oil and moisture (control quality air) be used with AIRFOG systems. All air compressors will produce moisture, which must be removed using a refrigerat[...]

  • Page 12

    10-00 Page 5 2008-04-11 suppliers. (c) Nails, screws, bolts, threaded rods, anchors, rivet s etc. to attach mounting brackets to the structure. The fasteners used will depend on t he material used in the mounting surface. (d) Insulation for the cold water pipe feeding the system is required to prevent water vapor from condensing and dripping on oth[...]

  • Page 13

    10-00 Page 6 2008-04-11 THIS PAGE INTENTIONALLY LEFT BLANK[...]

  • Page 14

    10-10 Page 7 2008-04-11 10-10 INSTALLATION[...]

  • Page 15

    10-10 Page 8 2008-04-11 1. INSTALLATION A. NOZZLE SYSTEM LAYOUT (1) If a drawing for the proposed system was not supplied, then it is recommended that one be created prior to installing the system. With reference to the AIRFOG Engineering Manual, review the site where the nozzle system is to be in stalled. The location of equipment, lights, pillars[...]

  • Page 16

    10-10 Page 9 2008-04-11 Figure 1. Typical Nozzle Lay out for Wall Mounte d System[...]

  • Page 17

    10-10 Page 10 2008-04-11 Figure 2. Multi Zone Layout[...]

  • Page 18

    10-10 Page 11 2008-04-11 2. ZONES A. INTRODUCTION (1) It may be necessary to break down the space to be humidified into zones. Limitation of the control devices and maxi mum run of feed piping may indicate the need for multiple zones. Refer to the Engineering manual for detailed limitation of components. Up to four zones can be controlled from one [...]

  • Page 19

    10-10 Page 12 2008-04-11 Figure 3. Water and Air Line Pressure Control Figure 4. Nozzle to Bracket Interface Figure 5. AFE Nozzle Ceiling Mounting[...]

  • Page 20

    10-10 Page 13 2008-04-11 E. CONNECTING NOZZLES (1) All the supplied nozzles have two inlet ports with push in, quick release style fittings as shown in Figure 6 Quick Release Fittings. These fittings are on ly designed for use with 1/4” O.D. plastic tubing. If other than NORTEC supplied tubing is to be used, it must be a high grade uniform tubing[...]

  • Page 21

    10-10 Page 14 2008-04-11 G. VACUUM VALVE (1) The vacuum valve must be centrally located so there are approximately an equal number of nozzles being fed from each of its two output ports (one on the left side and the other on the right side). There is a mounting bracket supplied wit h each vacuum valve. Figure 9 Vacuum Valve Interfaces illustrates t[...]

  • Page 22

    10-10 Page 15 2008-04-11 regulator to have an output of 50 psig. The pilot air pressure range is from 0 to 70 psig. (2) The four ports on the pilot operated air regulator are the pilot air pressure input from the control panel, the primary air supply input feed, the output air feed to the nozzles and to gauge port used to feed pilot signal to the w[...]

  • Page 23

    10-10 Page 16 2008-04-11 Figure 8. Vacuum Valve Operation Figure 9. Vacuum Valve Interfaces Figure 10. Pilot Air Regulator Figure 11. Pilot Air Regulator Installation[...]

  • Page 24

    10-10 Page 17 2008-04-11 I. PRIMARY AIR PRESSURE CONTROL (1) The primary air pressure control section (with the shutoff valve) is conne cted to the air compressor or the compressed air source as specified in the Designer produced drawings. See Figure 12 Primary Air Pressure Control Section. J. PRIMARY WATER PRESSURE CONTROL (1) The primary water pr[...]

  • Page 25

    10-10 Page 18 2008-04-11 Figure 12. Primary Air Pressure Control Section Figure 13. Primary Water Pressure Control Section Figure 14. Control Panel Figure 15. Control Panel Terminal Strip Interfac es[...]

  • Page 26

    10-10 Page 19 2008-04-11 M. PILOT LINES (1) All air pressure lines connecting to the control panel must be 1/4” O.D. plastic tubing rated for 150 psig. Figure 16 Schematic Plumbing Layout illustrates the proper connections of the air supply to and from the control panel to the vacuum valve and the pilot air regulator. The control panel requires a[...]

  • Page 27

    10-10 Page 20 2008-04-11 THIS PAGE INTENTIONALLY LEFT BLANK[...]

  • Page 28

    10-20 Page 21 2008-04-11 10-20 MINI & OCTO INSTALLATION[...]

  • Page 29

    10-20 Page 22 2008-04-11 1. AFE SELF CONTAINED AIRFOG SYSTEMS A. AFE MINI SYSTEMS (1) AFE MINI systems are self-contained pa ckaged systems that include all necessary components. (2) They require the following connections: (a) 3/8” O.D. plastic or soft copper water supply line rated at a minimum of 25 psig. (b) 1/4” O.D. plastic or soft copper [...]

  • Page 30

    10-20 Page 23 2008-04-11 Figure 1. Mini Installations Figure 2. Plumbing End Connections[...]

  • Page 31

    10-20 Page 24 2008-04-11 B. AFE OCTO SYSTEMS (1) Octo systems are partially self contained and are between the simple Mini self- contained installation and the modular AFE systems. The Designer’s drawings and parts list will define the configuration. The only installation difference between the full modular system and the Octo is that the vacuum [...]

  • Page 32

    10-20 Page 25 2008-04-11 Figure 3. Octo Layout with Interfaces Figure 4. Octo Spray Pattern (4) Mounting using threaded rods requires installing field supplied 3/8” NC supporting rods from the ceiling, raising the unit up into location and securing it to the support rods using the supplied washers and nuts. (5) Both water and air lines should hav[...]

  • Page 33

    10-20 Page 26 2008-04-11 (9) Control Panel installation for standard Octo hardware is explained in the under Control Panel section. (10) The nozzles on the Octo units are pointed straight forward when shipped but these can be oriented in any direction that will not have the plume strike a solid object or another plume for at least 16 feet. Figure 9[...]

  • Page 34

    10-20 Page 27 2008-04-11 Figure 5. Ceiling Mounting of Octo Figure 6. Octo Air and Water Interfaces[...]

  • Page 35

    10-20 Page 28 2008-04-11 Figure 7. Four Octo Units with a Single Control Panel Figure 8. AFE Octo Nozzle Spray Pattern[...]

  • Page 36

    10-30 Page 29 2008-04-11 10-30 START-UP PROCEDURE[...]

  • Page 37

    10-30 Page 30 2008-04-11 1. AFE, MINI, AND OCTO START-UP PROCEDURES A. INTRODUCTION (1) The operator must make reference to Figure 1 Typical Nozzle Layout when following these instructions. Prior to startup, ensure the following: (a) All components have been visually checked for proper connections. (b) All supply and feed lines have been cleaned. ([...]

  • Page 38

    10-30 Page 31 2008-04-11 (3) Adjust the water regulator valve in the primary water pressure control section until the gauge reads 25 psig. (4) The pressure regulator on the vacuum valve should be adjusted to read between 5 and 7 psig. (5) Manually depressing the thumb screw on t op of the vacuum valve will permit water to flow into the pipes and fi[...]

  • Page 39

    10-30 Page 32 2008-04-11 (3) If the timer were set as in the above examples, the system would run for 4 hours, shut off for 2 minutes, run for another 4 hours, shut off for 2 minutes, and so on and so forth. NOTE The humidistat takes precedence over the timer for shutting down the system. If the humidistat reaches its set point, it will shut the sy[...]

  • Page 40

    10-30 Page 33 2008-04-11 Figure 1. Capacity Output v s. Vacuum Valve Adjustment Figure 2. AFE Capacity Chart[...]

  • Page 41

    10-30 Page 34 2008-04-11 THIS PAGE INTENTIONALLY LEFT BLANK[...]

  • Page 42

    10-40 Page 35 2008-04-11 10-40 SHUT-DOWN PROCEDURE[...]

  • Page 43

    10-40 Page 36 2008-04-11 1. AFE, MINI, AND OCTO SHUT DOWN PROCEDURES A. 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. B. The following procedures are the recommended method to [...]

  • Page 44

    10-50 Page 37 2008-04-11 10-50 MAINTENANCE[...]

  • Page 45

    10-50 Page 38 2008-04-11 1. MAINTENANCE A. The two most probable maintenance problems are: (1) The accumulation of dirt and mineral deposits in/on the nozzle (2) Air and water leaks that may be due to marginal workmanship during installation but not obvious until after many hours of operations. B. Nozzle cleaning is recommended at least once a year[...]

  • Page 46

    10-50 Page 39 2008-04-11 C. Repair the identified problems and verify the system is fully operational using the procedure described in the Start Up section of this guide. 4. UNSCHEDULED MAINTENANCE A. Normally an unscheduled maintenance activity is initiated by an observation of a leak or other failure. (1) The AIRFOG system is to be shutdown in ac[...]

  • Page 47

    10-50 Page 40 2008-04-11 a visual difference in the output of the nozzles as more tension is applie d to the spring. Be sure not to press down on the thumb wheel while turning it. (3) Release the thumb wheel tension and, once again, there should be a noticeable change in the nozzle output. C. The spring tension of the vacuum valve restricts the flo[...]

  • Page 48

    10-60 Page 41 2008-04-11 10-60 TROUBLESHOOTING[...]

  • Page 49

    10-60 Page 42 2008-04-11 1. TROUBLESHOOTING Table 1. Troubleshooting Part Possible Failure Symptoms Solution Vacuum Valve Diaphragm Failure Nozzle sputter. Low output. No output. Replace defective component. Pilot Safety Regulator Diaphragm Ripped Nozzles sputt er. Air in water line. Low output. No Output. Water drips from bonnet. Repair regulator [...]

  • Page 50

    10-60 Page 43 2008-04-11 Solenoid Valve Burnt Coil Valve does not activate. Replace. Blocked No pressure leaving the valve. Clean. Stuck Closed Or Open Dirty plunger. Clean and install external filters. Timer Wrong Timer Settings System will not come on. System only stays on for a few seconds. Reduce the off cycle. Increase the on cycle. Burnt Time[...]

  • Page 51

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  • Page 52

    10-70 Page 45 2008-04-11 10-70 SPARE PARTS[...]

  • Page 53

    10-70 Page 46 2008-04-11 1. SPARE PARTS A. Typically some spare parts are ordered wi th an AIRFOG system. These parts and kits are to be retained in some safe location in a workshop for immediate access. It is recommended that spare parts and repair kits be replaced as soon as they are consumed. B. Some NORTEC AIRFOG humidification system owners ch[...]

  • Page 54

    10-70 Page 47 2008-04-11 Figure 1. Octo Exploded View[...]

  • Page 55

    10-70 Page 48 2008-04-11 Table 2. Octo Spare Parts Item Part # Description OCTO OCTO PLUS OCTO PLUS Modulation 4 6 8 4 6 8 4 6 8 1 1608000 Octo Vacuum Valve (See Exploded View) 1 1 1 1 1 1 1 1 1 2 1609209 AFE Nozzle (See Exploded View) 4 6 8 4 6 8 4 6 8 3 1603064 3-Way Solenoid Valve 24 VAC Replacement Kit 0 0 0 1 1 1 1 1 1 4 1603020 On/Off Switch [...]

  • Page 56

    10-70 Page 49 2008-04-11 THIS PAGE INTENTIONALLY LEFT BLANK[...]

  • Page 57

    10-70 Page 50 2008-04-11 Figure 2. AFE Nozzle Exploded View Table 3. AFE Nozzle Spare Parts ITEM # PART # DESCRIPTION QTY 1 1603120 AFE Nozzle Repair Kit 1a O-Ring Seal 2 1b Flat Washer 2 1c Retaining Clip SST 2 1d O-Ring Valve Seat 1 1e Piston Seal 1 1f Rod Seal 4 2 1604040 Cleaning Needle 1 3 1604039 Piston 1[...]

  • Page 58

    10-70 Page 51 2008-04-11 Figure 3. Vacuum Valve Exploded View[...]

  • Page 59

    10-70 Page 52 2008-04-11 Table 4. Vacuum Valve Spare Parts ITEM # PART # DESCRIPT ION OCTO MINI STANDARD 1 1603122 Vacuum Valve Repair Kit 1 1 1 1a Washer Self Sealing 2 2 2 1b Polypropylene Di sc 2 2 2 1c Diaphragm 1/16 Neoprene 1 1 1 1d O-Ring Bod y Valve #118 2 2 2 1e O-Ring 1 1 1 2 1603002 Panel Mount Water Reg. 1/ 4” P 1 1 1 1603119 Repair K[...]

  • Page 60

    10-70 Page 53 2008-04-11 Figure 4. Control Panel Exploded View[...]

  • Page 61

    10-70 Page 54 2008-04-11 Table 5. Control Panel Spare Parts ITEM # PART # DESCRIPTION QTY MINI I/II AFE 1 1600027 Valve 4-way 24 Vac Solenoid 0 1 2 1603081 Pressure Switch, Screw-on (Modulating Contol Panel Only) 0 1 3 1506260 E/P Converter Module (Modulating Control Panel Only) 0 1 4 1603050 Repeat Cycle Timer 1 1 5 1603200 Pressure Gauge Panel MT[...]

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    10-70 Page 55 2008-04-11 THIS PAGE INTENTIONALLY LEFT BLANK[...]

  • Page 63

    WARRANTY (1) WALTER MEIER INC. and/or WALTER MEIER LTD. (hereinafter collectively referred to as THE COMPANY), warrant for a period of two years afte r installation or 30 months from manufacturer’s ship date, whichever date is earlier, th at THE COMPANY’s manufactured and assembled products, not ot herwise expressly warranted (with the exceptio[...]

  • Page 64

    U.S.A. W alter Meier (Climate USA) Inc. 826 Proctor Avenue Ogdensburg, NY 13669 TEL: 1-866-NORTEC-1 EMAIL: northamerica.climate@waltermeier .com WEBSITE: www .humidity .com CANADA W alter Meier (Cli mate Canada) Ltd. 2740 Fenton Road Ottawa, ON K1 T 3T7 TEL: 1-866-NORTEC-1 F AX: (613 ) 822-7964 Authorized Agent:[...]