Neptronic SK300 Installation Instructions And User Manual
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Neptronic SK300 Installation Instructions And User Manual

Sk300 series steam humidifier
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Steam Humidifier
SK300 Series
Installation Instructions and User Manual
SK300-150814

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Summary of Contents for Neptronic SK300

  • Page 1 Steam Humidifier SK300 Series Installation Instructions and User Manual SK300-150814...
  • 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

    SK300 Steam Humidifier Installation Instructions and User Manual Handling and Lifting Lifting or handling MUST be carried out by trained and qualified personnel. Ensure that the lifting operation has been properly planned, assessed for risk and that the equipment has been checked by a competent Health &...
  • Page 4 SK300 Steam Humidifier Installation Instructions and User Manual Illustration 41 - Water Level Sensor ..........................32   Illustration 42 - Water Level Sensor and Protection Chamber ..................33   Illustration 43 - Exploded View of Humidifier ........................35   Tables Table 1 - Dimensions and Weight of SDU ........................
  • Page 5 SK300 Steam Humidifier Installation Instructions and User Manual Installation - Humidifier with SDU ..........................13   Remote Installation of SDU ............................14   Maintenance of the SDU ............................14   Plumbing Connections ..............................15   Water Supply ................................15  ...

  • Page 6: Illustration 1 - Overview Of The Humidifier

    SK300 Steam Humidifier Installation Instructions and User Manual Overview List of Accessories Supplied The following accessories are supplied with the SK300 Steam Humidifier:  2 sets of keys.  2 adjustable collars for the connection of the steam hose for each steam output.

  • Page 7: Illustration 2 - Steam Humidifier With Space Distribution Unit

    SK300 Steam Humidifier Installation Instructions and User Manual 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 3 - Weather Proof Enclosure

    SK300 Steam Humidifier Installation Instructions and User Manual Weather Proof Enclosure S te a m o u tle t A lp h a n u m e ric H e a t s in k fo r d is p la y w in d o w m o d u la tin g u n its o n ly S u p p ly w a te r 1 /2 "...

  • Page 9: 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 6). Failure to follow these guidelines will void the warranty.

  • Page 10: Table 4 - Dimensions For Drilling Holes

    SK300 Steam Humidifier Installation Instructions and User Manual Wall Mounting Caution: Risk of malfunction. The humidifier must be placed at an equal level. Caution: Risk of overheating. Do not block the ventilation openings located on the top, front, sides, and rear of the cabinet.

  • Page 11: 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 12: Illustration 7 - Steam Absorption Manifold (S.a.m.e2) Horizontal Duct

    SK300 Steam Humidifier Installation Instructions and User Manual Steam Absorption Manifold (S.A.M.E2) Horizontal Duct The S.A.M.E2 system is suitable for installations where absorption distances are short, less than 5 feet (1500mm) and/or low duct temperatures are in effect. SAME2 are used in applications with restricted duct dimensions.

  • Page 13: Illustration 10 - Duct Hole Dimensions And Minimum Distance

    SK300 Steam Humidifier Installation Instructions and User Manual Positioning S.A.M and S.A.M.E2 Duct Mounting Steam manifold should be mounted and secured through the side of the air handling unit or duct. Provision should be made for safe accessibility, ideally with an observation light and window. Ensure that the construction of the duct wall is suitable enough to support the steam pipe for the duration of the installation life.

  • Page 14: Illustration 11 - 1 ⅜'' (35Mm) Diameter Pipe Placement: Horizontal Duct

    SK300 Steam Humidifier Installation Instructions and User Manual Placement of Steam Pipe in Horizontal Duct 1 ⅜’’ (35mm) Diameter Pipe 1 Pipe 2 Pipes 6'’ minimum (150mm) 10'’ minimum 10'’ minimum (250mm) (250mm) 3'’ minimum (80mm) 1/3 H 8'’ (200mm) Illustration 11 - 1 ⅜’’...

  • Page 15: Illustration 14 - 1 ⅜'' (35Mm) Diameter Pipe Placement: Vertical Duct

    SK300 Steam Humidifier Installation Instructions and User Manual 1 ⅜’’ (35mm) Diameter Pipe 1 Pipe 2 Pipes 10’’ minimum 24’’ minimum (250mm) (600mm) 1/2 W 1/4 W 1/2 W 1/4 W Illustration 14 - 1 ⅜’’ (35mm) Diameter Pipe Placement: Vertical Duct 2 ⅛’’...

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

    SK300 Steam Humidifier Installation Instructions and User Manual Steam Output Connections Installation 15 % 1 Clamps 2 Flexible Hose 3 Rigid Copper Pipe Humidifier 4 Insulation 5 Steam Distribution Manifold 6 Duct 7 Long Radius Copper Pipe Illustration 16 - Steam Output Connections: Typical Installation...

  • Page 17: Illustration 18 - Steam Separator (S Trap) Installation

    SK300 Steam Humidifier Installation Instructions and User Manual 8" Use "S" separator Steam outlet when ceiling space is limited and you need to create 15% slopes 8'’ (203mm) Use ‘’S’’ separator when the steam distributor is lower than the humidifier...

  • Page 18: Illustration 19 - Sdu Mounted On Humidifier

    SK300 Steam Humidifier Installation Instructions and User Manual Large Cabinet Models SK340 7 (179) 7 (179) 5 3/16 (132) 5 11/16 (144) SK360 Installation - Humidifier with SDU  The SDU should be installed in an environment where the air is relatively clean. This will avoid the blower from getting clogged with dust.

  • Page 19: Illustration 20 - Sdu Remote Installation

    SK300 Steam Humidifier Installation Instructions and User Manual Remote Installation of SDU The SDU can be installed in a different location from the humidifier (remote SDU). Follow the piping recommendations.  Mount the SDU to the wall on brackets (not supplied); do not drill mounting holes through the cabinet of the SDU.

  • Page 20: Illustration 21 - Plumbing Connections

    Plumbing Installation should conform to Local and National Codes. Any installation work must be carried out by suitably qualified personnel. The SK300 humidifier can operate with soft or hard water. Therefore, for normal operation, pre-treatment of water is not necessary.

  • Page 21: Illustration 22 - Water Supply Connections

    SK300 Steam Humidifier Installation Instructions and User Manual Water Connections Follow the steps below: Connect 3/8'' (10mm) copper pipe to the bottom 3/8'' (10mm) compression fitting (supplied). Place the swivel top 3/4" (10mm) fitting to the male threaded part of the valve and tighten it with fingers.

  • Page 22: Illustration 23 - Weather Proof Enclosure Plumbing: Front View

    SK300 Steam Humidifier Installation Instructions and User Manual Weather Proof Enclosure Plumbing Connection Supply water 1/2" NPT (15mm) Electrical control (knockout hole) Power supply (knockout hole) Silicone tubing provided for Pan drain 1/2" (15mm) Main drain 3/4" (20mm) connection to side outlets Illustration 23 - Weather Proof Enclosure Plumbing: Front View Supply water 1/2"...

  • Page 23: Illustration 25 - One And Three Phase Power Connections

    SK300 Steam Humidifier Installation Instructions and User Manual Power Supply Connections Caution: Risk of electric shock. Disconnect the Humidifier from the electric supply before proceeding with the connection. WARNING: Risk of fire. Do not interchange the power terminal block designated L1, L2 and L3 with low voltage terminal block designated 1, 2 and 3.

  • Page 24: Illustration 26 - Low Voltage Control Connections

    SK300 Steam Humidifier Installation Instructions and User Manual Low Voltage Control Connections ON/OFF Humidifier 1 2 7 8 9 5 Vdc Humidistat Pressure Differential 5 Vdc switch High limit High voltage power Low voltage control terminal block terminal block Illustration 26 - Low Voltage Control Connections...

  • Page 25: Illustration 28 - Humidity Controlled By Humidifier With Shr10 Or Shc80 As Space Sensor

    SK300 Steam Humidifier Installation Instructions and User Manual Humidity Control by Humidifier (Internal Mode) Humidity controlled by humidifier, using SHR10 or SHC80 as space sensor. SK300 Humidifier SHR10 SHC80 To Term. #3 COMMON To Term. #F 24 VAC OR VDC To Term.

  • Page 26: Illustration 30 - Humidity Signal 0-10 Vdc

    SK300 Steam Humidifier Installation Instructions and User Manual Humidity Signals (Internal Mode) Humidity Signal 0 -10 Vdc Extra jumper CONTROL INPUT 4-20mA 0-10V 2-10V Jumper on 0-10V HUMIDITY 0-10 Vcc INPUT 4-20mA 2-10V 0-10V High limit Pressure Differential Humidistat Switch...

  • Page 27: Illustration 33 - Control Signal 0 To 10 Vdc

    SK300 Steam Humidifier Installation Instructions and User Manual Control Signals Control Signal 0-10 Vdc Extra jumper CONTROL INPUT 4-20mA 0-10V 2-10V Jumper on 0-10 Vcc 0-10V HUMIDITY INPUT 4-20mA 2-10V 0-10V High limit Pressure Differential Humidistat Switch TOP PCB MODULATING...

  • Page 28: Illustration 36 - Common Alarm Connections

     A volt free contact is provided in the form of both a Normally Open and Normally Closed contact that will switch on, in the event an alarm is activated on the SK300 humidifier.  Wherever possible, it is recommended to use the Normally Closed contact. This contact will open in the event of a humidifier fault.

  • Page 29: Illustration 38 - Display Features: Front Panel

    SK300 Steam Humidifier Installation Instructions and User Manual Display Illustration 38 - Display Features: Front Panel Front Panel The following are the display features of the Front Panel and their description: Table 7 - Humidifier Front Panel Display Description Options...

  • Page 30: Table 8 - Scroll Mode Display Description

    SK300 Steam Humidifier Installation Instructions and User Manual Options Description ☼ - The CHECK indication is normally off. It will be activated as a warning during abnormal conditions of operation. ☼ (blinking) - If the CHECK indication is on, it means that maintenance is Check Indicator required.

  • Page 31: Table 9 - Diagnostic Mode Display Descriptions

    SK300 Steam Humidifier Installation Instructions and User Manual Diagnostic Mode When the following conditions occur, the diagnostic messages override the scrolling information: Table 9 - Diagnostic Mode Display Descriptions Display Description Modulating humidifier: No analog signal to the humidifier. On/Off humidifier: NO DEMAND ...
  • Page 32 SK300 Steam Humidifier Installation Instructions and User Manual To switch between the output and internal setpoints, press and hold the TEST button located on the main PC board inside electrical compartment till the value changes. "Setpoint Vav Off" Default: OFF (Duct humidity control disable)

  • Page 33: Illustration 39 - Main Pc Board

    Installation Instructions and User Manual Control P.C. Board The Printed Circuit board designated ''PCB970819" is common to all SK300 series humidifier, ON/OFF or modulating humidifier. This PC board is equipped with an advanced microprocessor, which controls all the humidifier functions.

  • Page 34: Modulating P.c. Board

    SK300 Steam Humidifier Installation Instructions and User Manual Modulating P.C. Board  The three jumpers at the center of the PC board (Control Input) are used for selecting the incoming control signal. For more information, refer to the Control Signals section.

  • Page 35: Service

    Demand placed on the humidifier All SK300 humidifiers are programmed for a 1000 hours of operation. This is a default factory setting. To view the number of hours the humidifier has run and the number of service hours, press the menu button on the front panel several times till you view the information on the digital display.
  • Page 36 SK300 Steam Humidifier Installation Instructions and User Manual Stage 1 - Shut down electrical supply and disassemble the humidifier Caution: Risk of electric shock. Shut down the electric supply of the humidifier. Disconnect the power at the External Breaker/Fused Disconnect before commencing...

  • Page 37: Illustration 40 - Metal Deposit Dislodge During Operation

    SK300 Steam Humidifier Installation Instructions and User Manual Illustration 40 - Metal deposit dislodge during operation  Remove the residue that has accumulated inside the chamber.  Rinse the chamber with water only. Do not use any acid or vinegar.

  • Page 38: Illustration 42 - Water Level Sensor And Protection Chamber

    SK300 Steam Humidifier Installation Instructions and User Manual Reattach the chamber to the cover by tightening the screws on top of the cover. Illustration 42 - Water Level Sensor and Protection Chamber Stage 3 - Reassemble the humidifier Mount the boiling chamber back into the unit.
  • Page 39 SK300 Steam Humidifier Installation Instructions and User Manual Stage 4 - Restart and reset the humidifier Power up the humidifier. Reset the humidifier by pressing the TEST and RESET buttons on the main PC board. When you press the TEST button, the humidifier goes into the drain mode. The drain LED illuminates indicating the drain mode.

  • Page 40: Illustration 43 - Exploded View Of Humidifier

    SK300 Steam Humidifier Installation Instructions and User Manual Exploded View and Bill of Material Exploded View S D U C a b in e t P la s tic g ril S tea m T rap A s s e m b ly...

  • Page 41: Table 10 - Model Description And Part Numbers

    SK300 Steam Humidifier Installation Instructions and User Manual Bill of Material Table 10 - Model Description and Part Numbers Item Description Model Part number SK302 to 306 SW CONTSMA-ASSY Container of evaporation chamber SK310 to SK330 SW CONTMED-ASSY SK340 & SK360...

  • Page 42: Table 11 - Model, Heater Element, Transformer, And Voltage Description

    SK300 Steam Humidifier Installation Instructions and User Manual Item Description Model Part number SDU I and SDU 2 SP 5105 Fuse inside SDU SDU 3 SP 5106 Drain pump SK302 to SK360 SP G4101 Table 11 - Model, Heater Element, Transformer, and Voltage Description...

  • Page 43: Troubleshooting

    SK300 Steam Humidifier Installation Instructions and User Manual Troubleshooting Humidifier does not operate (Power Off) Indicator Status Display (blank) Power Check Fill Steam Drain Cause  The humidifier is not powered.  The low voltage fuse is open.  The high temperature switch is open.
  • Page 44 SK300 Steam Humidifier Installation Instructions and User Manual Humidifier does not produce steam (No Demand) Indicator Status Display Check Fill Steam Drain Cause  Modulating humidifier: no analog signal.  On/Off humidifier: no demand from humidistat or air flow is not detected by air pressure switch or high limit humidistat is open.
  • Page 45 SK300 Steam Humidifier Installation Instructions and User Manual No water inside the evaporation chamber or Humidifier does not stop draining Indicator Status Display Power Check Fill Steam Drain Cause  Humidifier is filling water but has not reached yet or does not reach the high limit of the water level sensor.
  • Page 46 SK300 Steam Humidifier Installation Instructions and User Manual Humidifier is not operating and the CHECK light is ON Indicator Status Display Power Check Fill Steam Drain Cause  The electronic temperature sensor inside the water level sensor had sensed abnormal temperature.
  • Page 47 SK300 Steam Humidifier Installation Instructions and User Manual Humidifier does not operate and display is blank Indicator Status Display (blank) Power Check Fill Steam Drain Cause The following components can be the cause of this problem: water level sensor (item J), main PC board (item U), modulating PC board (item V) or the LCD display (item N).

  • Page 48: Notes

    Notes 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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