Neptronic sk300 Series Installation Instructions And User Manual
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Neptronic sk300 Series Installation Instructions And User Manual

Bacnet
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Steam Humidifier
SK300 Series BACnet
Installation Instructions and User Manual
SK300 BACnet-160907.docx

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  • Page 1 Steam Humidifier SK300 Series BACnet Installation Instructions and User Manual SK300 BACnet-160907.docx...
  • Page 2 Please observe the local regulations concerning the provision of electrical installations. Correct Use Neptronic systems and its products are designed only for humidification use. Any other application is not considered appropriate for the intended purpose. The manufacturer cannot be made liable for any damage resulting from incorrect use.

  • Page 3: Table Of Contents

    Illustration 34 - Metal deposit dislodge during operation ....................34   Illustration 35 - Water Level Sensor ..........................34   Illustration 36 - Water Level Sensor and Protection Chamber ..................35   Illustration 37 - Exploded View of Humidifier ........................37   www.neptronic.com Page | ii...
  • Page 4 Position of Steam Output ............................. 14   Small Cabinet ................................14   Medium Cabinet ............................... 14   Large Cabinet ................................15   Installation - Humidifier with SDU ..........................15   Remote Installation of SDU ............................16   www.neptronic.com Page | iii...
  • Page 5   Clean the Evaporation Chamber ..........................32   Exploded View and Bill of Material ..........................37   Exploded View ................................37   Bill of Material ................................38   Troubleshooting ................................40   Notes ....................................46   www.neptronic.com Page | iv...

  • Page 6: Illustration 1 - Overview Of The Humidifier

    Heater element Internal Drain connector Cooler chamber Evaporation chamber Evaporation chamber drain pump Heater element Level sensor chamber Access door to Water supply valve mechanical Electrical compartment compartment Control panel Illustration 1 - Overview of the Humidifier www.neptronic.com Page | 1...

  • Page 7: Available Options

     Actual operating status  Alarm indications For additional information, see the BACnet Communication Module User Guide at www.neptronic.com. Description of Components  Evaporation Chamber. Assembly includes a metal cylinder and a cover equipped with one or several heater elements. It is the most important part of the humidifier, which produces the steam.

  • Page 8: Illustration 2 - Steam Humidifier With Space Distribution Unit

    28 ½ (724) 21 (533) 12 ½ (318) 12 ⅞ (324) 41 ⅜ (1048) 66 (30) 115 (52) 45 (20) SK330 SK320 L SK340 31 ¼ (794) 32 (813) 12 ½ (318) 110 (50) 205 (93) SK350 SK360 www.neptronic.com Page | 3...

  • Page 9: Illustration 3 - Weather Proof Enclosure

    11.3 (287) 66 (30) 79 (36) SK306 SK310 SK314 SK316 34.5 (876) 29.8 (757) 13.3 (338) 95 (43) 144 (65) SK320 SK330 SK320 L SK340 34.5 (876) 40.8 (1036) 13.3 (338) 165 (75) 260 (118) SK350 SK360 www.neptronic.com Page | 4...

  • Page 10: Table 3 - Output And Power Consumption

    WARNING: For Modulating Humidifier, maintain the maximum power of the electrical installations according to the information in the Table 3 - Output and Power Consumption. Do not consider a possible reduction of steam output due to modulation. www.neptronic.com Page | 5...

  • Page 11: Illustration 4 - Positioning The Humidifier

    Note: Mechanical installation should conform to local codes and regulations. Location WARNING: The SK300 series humidifiers are designed for indoor installation only. For outdoor installation, the SK300 must be installed using a Neptronic weather-proof enclosure (see Positioning and Mounting – Weather Proof Enclosure Unit on page 8). Failure to follow these guidelines will void the warranty.

  • Page 12: Table 4 - Dimensions For Drilling Holes

    Based on the size and weight of the humidifier, you may need the help of another person.  When the humidifier is positioned on the upper screws, tighten the screws to secure the humidifier.  If applicable, install and secure lower screws. www.neptronic.com Page | 7...

  • Page 13: Illustration 5 - Weather Proof Enclosure Unit

    Steam Dispersion System Steam Dispersion System Selection In order to prevent the accumulation of condensation in air ducts, Neptronic has designed four basic configurations of steam distribution systems to provide you with the most economical solution for any particular application.

  • Page 14: Illustration 7 - Steam Absorption Manifold (S.a.m.e2) Horizontal Duct

    3 feet (900mm), or low air duct temperatures are in effect. The Multi-Steam is custom made to the dimensions of duct or AHU. Instructions to install Multi-Steam system are described in a specific installation instructions manual enclosed with the Multi-Steam system. Illustration 9 - Multi Steam System www.neptronic.com Page | 9...

  • Page 15: Illustration 10 - Duct Hole Dimensions And Minimum Distance

    12 (300) 24 (600) SK306 SK310 1 ⅜ (35) SK314 24 (600) 48 (1200) SK316 1245 SK320 SK330 SK320 L SK340 32 (750) 64 (1500) 2 ⅛ (51) SK350 SK360 For higher static pressure, contact the manufacturer. www.neptronic.com Page | 10...

  • Page 16: Illustration 11 - 1 ⅜'' (35Mm) Diameter Pipe Placement: Horizontal Duct

    Note: 2 ⅛’’ (51mm) steam pipe must be supported on the end by appropriate duct hanger or strap (supplied by others). Placement of Steam Pipe in Vertical Duct Eyelet Orientation 45° 45° S.A.M S.A.M.E2 Illustration 13 - Eyelet Orientation www.neptronic.com Page | 11...

  • Page 17: Illustration 14 - 1 ⅜'' (35Mm) Diameter Pipe Placement: Vertical Duct

    2 ⅛’’ (51mm) Diameter Pipe 2 Pipes 3 Pipes 36’’ minimum 24’’ minimum (900mm) (600mm) 1/4 W 1/2 W 1/4 W 1/6 W 1/3 W 1/3 W 1/6 W Illustration 15 - 2 ⅛’’ (51mm) Diameter Pipe Placement: Vertical Duct www.neptronic.com Page | 12...

  • Page 18: Illustration 16 - Steam Output Connections: Typical Installation

    (S Type) at the lowest point(s) of the steam supply piping. The steam separator (S trap) should be installed higher than the static pressure of the system by at least 2” (51 mm). www.neptronic.com Page | 13...

  • Page 19: Illustration 17 - Steam Output Connection: Incorrect Installation

    Position of Steam Output Small Cabinet Models SK302 SK304 4 5/16 (110) 4 13/16 (122) SK306 Medium Cabinet Models SK310 4 (102) 5 5/8 (143) SK314 SK316 SK320 5 9/32 (134) 4 (102) 5 5/8 (143) SK330 www.neptronic.com Page | 14...

  • Page 20: Illustration 19 - Sdu Mounted On Humidifier

    If additional ventilation is not present, the fan should have a clearance from the ceiling of at least 54” (1.35 meters). Proper ventilation must be observed to avoid ceiling and wall condensation. Without additional 18'’ ventilation (0,45 m) 54'’ (1,35 m) 78'’ (2 m) Illustration 19 - SDU mounted on Humidifier www.neptronic.com Page | 15...

  • Page 21: Illustration 20 - Sdu Remote Installation

    (by others) 4'’ Field piping (0.10m) (not supplied) 2nd pipe for SDU2 or SDU3 78'’ (2 m) Illustration 20 - SDU Remote Installation Maintenance of the SDU Clean the blower if there is an accumulation of dust. www.neptronic.com Page | 16...

  • Page 22: Illustration 21 - Plumbing Connections

     A shutoff valve (not supplied) should be installed in the water supply line close to the humidifier to facilitate servicing.  It is recommended to install a standard water strainer in the water supply line. www.neptronic.com Page | 17...

  • Page 23: Illustration 22 - Water Supply Connections

     Use standard copper hydraulic pipes ¾” and ½”.  Ensure that the drain pipe dimension is sufficient, especially if more than one humidifier is evacuating into the same drain line. www.neptronic.com Page | 18...

  • Page 24: Illustration 23 - Weather Proof Enclosure Plumbing: Front View

    Heat sink for modulating units only Supply water 1/2" NPT (15mm) Power supply (knockout hole) Pan drain 3/4" (20mm) Main drain 3/4" (20mm) Electrical control (knockout hole) Illustration 24 - Weather Proof Enclosure Plumbing: Side View www.neptronic.com Page | 19...

  • Page 25: Illustration 25 - One And Three Phase Power Connections

    The ground conductor should be equipped with a ring terminal and should be connected directly to the electrical panel on the indicated location. L1 L2 L1 L2 L3 One Phase Three Phase Connection Connection Illustration 25 - One and Three Phase Power Connections www.neptronic.com Page | 20...

  • Page 26: Illustration 26 - Connection To Hro20 Humidistat Or Hro20 With Remote Humidity Sensor (Shr10 Or Shc80)

    A larm C ontact C O M P D sw itch H igh Lim it 24 V A C Interlock * Illustration 26 - Connection to HRO20 humidistat or HRO20 with remote humidity sensor (SHR10 or SHC80) www.neptronic.com Page | 21...

  • Page 27: Illustration 27 - Humidity Controlled By Humidifier With Shr10 Or Shc80 As Space Sensor

    Note: If an interlock is not used, a jumper must be installed between terminal F and 5. SHC80 SHR10 or SHC80 (high limit) Alarm Contact PD switch High Limit 24 VAC Interlock * Illustration 28 - VAV system with humidity controlled by humidifier using Hi limit sensor and space sensor www.neptronic.com Page | 22...

  • Page 28: Illustration 29 - Control Signal 0 To 10 Vdc

     These contacts should be used to switch a low voltage, ideally 24V, with a switching current of no more than 3 Amps. Normally Closed Normally Open Common Illustration 30 - Common Alarm Connections www.neptronic.com Page | 23...

  • Page 29: Illustration 31 - Controls Placement (Steam Dispersed Into A Duct Or Ahu)

    Air flow switch Return SHC80 Humidity sensor Steam dispersion manifold Or room HRO20 humidistat High limit SHC80 for VAV application only High limit humidistat Illustration 31 - Controls Placement (Steam Dispersed into a Duct or AHU) www.neptronic.com Page | 24...

  • Page 30: Illustration 32 - Bacnet Interface Pcb And Port

    OFF = Operational Mode (factory configured) | ON = Configuration Mode DS1.2 & 3 Baud Rate Selection DS1.4, 5, &6 Not Used DS1.2 and 3 - Baud Rate Selection DIP Switch Position Baud Rate DS1.2 DS1.3 9600 19200 38400 76800 (factory configured) www.neptronic.com Page | 25...

  • Page 31: Illustration 33 - Display Features: Front Panel

    ▼ - Used to decrease the control parameters of the humidifier. ☼ - The humidifier is powered by electricity and the switch is at the AUTO position. Power Indicator O - The humidifier is disconnected from the power supply. www.neptronic.com Page | 26...

  • Page 32: Table 8 - Scroll Mode Display Description

    Percentage of output WATR LVL 92% Corresponds 100% to optimum water level in the evaporation Percentage of water level chamber. WATR TMP 65 C Temperature of water inside the evaporation chamber. Temperature of water in Celsius scale www.neptronic.com Page | 27...

  • Page 33: Table 9 - Diagnostic Mode Display Descriptions

    WATR TMP DEFECTED Indicates that the water temperature sensor is not present or is defective. SSR OVER HEATED Indicates that the temperature of the SSR is too high. Verify the operation of the cooling fan. www.neptronic.com Page | 28...

  • Page 34: Programming Mode

    Indicates the number of hours the humidifier has been running since the last servicing. After every service, reset the number of hours of operation to zero by pressing the buttons simultaneously for 30 seconds. This will reset the number of hours of operation to zero. www.neptronic.com Page | 29...
  • Page 35 2 to 10 Vdc Range: 0 to 10 Vdc, 2 to 10 Vdc, 0 to 20mA, 4 to 20 mA Select duct humidity input signal. "SKB 3XX NEP R1.5" Revision level of the installed program (information display only) www.neptronic.com Page | 30...

  • Page 36: Start-Up Procedure

    Press the Rocker switch upward to the Auto (I) position . The humidifier fills the evaporation chamber with water. The Fill light is illuminated. Press the Rocker switch to drain down position again to empty the chamber. Your humidifier is now fully operational. www.neptronic.com Page | 31...

  • Page 37: Service

    If it is cool enough to handle, shut down the electrical supply. If not, repeat the drain cycle till it is cool enough. If further drain cycle is not required, press the Rocker switch to OFF (O) position . www.neptronic.com Page | 32...
  • Page 38 Turn the four or eight latches located around the evaporation chamber. Open the lid along with the elements inside. Do not clean the heating element. They are self-cleaning. Any mineral accumulation breaks off and falls to the bottom during the course of operation. www.neptronic.com Page | 33...

  • Page 39: Illustration 34 - Metal Deposit Dislodge During Operation

    Remove the chamber from the unit by unscrewing the two screws that hold the chamber. These screws are located on the chamber itself. Remove the chamber carefully without touching or damaging the water level sensor. Clean the sensor using a soft cloth. www.neptronic.com Page | 34...

  • Page 40: Illustration 36 - Water Level Sensor And Protection Chamber

    Clean the protection chamber in the same way as the evaporation chamber. Reattach the chamber to the cover by tightening the screws on top of the cover. Illustration 36 - Water Level Sensor and Protection Chamber www.neptronic.com Page | 35...
  • Page 41 Programming mode and reset the Running hours. Set the front panel Rocker switch to AUTO. The humidifier initiates a fill cycle, the indicator is illuminated. The humidifier starts producing steam as soon as there is a demand. www.neptronic.com Page | 36...

  • Page 42: Illustration 37 - Exploded View Of Humidifier

    E v a p o ra tio n c h a m b e r b a s e S K 3 0 2 to S K 3 0 6 Illustration 37 - Exploded View of Humidifier www.neptronic.com Page | 37...

  • Page 43: Table 10 - Model Description And Part Numbers

    BACnet Interface Printed Circuit Board SK302 to SK360 NW SK300BBACNETSS SDU I SW FANSDU1-RET SDU fan SDU II SW FANSDU2-RET SDU III SP 3010 Refer to Table 11 - Model, Heater Element, Transformer, Transformer and Voltage Description www.neptronic.com Page | 38...

  • Page 44: Table 11 - Model, Heater Element, Transformer, And Voltage Description

    SP 3220 480V/3 SW 5952 SK350 SW 5951 SP 3341 SP 3220 600V/3 SW 5939 SW 5952 SP 3321 SP 3027 (2x) 480V/3 SK360 600V/3 SW 5939 SP 3341 SP 3220 (2x)  Available, please consult factory. www.neptronic.com Page | 39...

  • Page 45: Troubleshooting

    On/Off humidifier: no demand from humidistat .  Control wires are not properly secured to the terminal blocks. Corrective Action  Verify the setting of the humidistat.  Verify the connections of the wires to the control terminal blocks. www.neptronic.com Page | 40...
  • Page 46 Verify if the drain valve is open.  Check if the shutoff valve on the water supply line is open.  Verify the operation of the fill valve.  Check that the fill valve strainer and the external strainer are not blocked. www.neptronic.com Page | 41...
  • Page 47 The electronic temperature sensor inside the water level sensor had sensed abnormal temperature. Corrective Action  Verify if the humidifier was operating below the standard water level and then replace the water level sensor, item J. www.neptronic.com Page | 42...
  • Page 48 The high temperature switch has detected abnormal temperature. Corrective Action  Verify if the humidifier was operating below the standard water level.  Replace item J water level sensor, if necessary.  Press the manual reset to close the Klixon. www.neptronic.com Page | 43...
  • Page 49 Time lapse between two refills is too long when the humidifier is producing steam. Corrective Action  Verify the water level sensor and water level chamber and clean, if necessary.  Reset the Alarm. See Alarms. www.neptronic.com Page | 44...
  • Page 50 Humidifier does not produce steam Indicator Status Display Power Check Fill Steam Drain Cause  The interlock contact is open. Corrective Action  Check the interlock switch.  Verify the wires to the control terminal blocks #F & 5. www.neptronic.com Page | 45...

  • Page 51: Notes

    Notes...
  • Page 52 400 Lebeau blvd, Montreal, Qc, H4N 1R6, Canada www.neptronic.com Toll free in North America: 1-800-361-2308 Tel.: (514) 333-1433 Fax: (514) 333-3163 Customer service fax: (514) 333-1091 Monday to Friday: 8:00am to 5:00pm (Eastern time)

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