Neptronic SKE4-N02 Installation Instructions And User Manual
Steam humidifier
ske4-n series
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Summary of Contents for Neptronic SKE4-N02
- Page 1 Steam Humidifier SKE4-N Series Installation Instructions and User Manual READ AND SAVE THESE INSTRUCTIONS 4011008 SKE4-N-ESL-180306...
- 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.
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Page 3: Table Of Contents
Maintenance of the SDU ..............................15 Positioning and Mounting - Weather Proof Enclosure Unit ....................16 General Recommendations ............................16 Steam Dispersion System ..............................17 Steam Dispersion System Selection ..........................17 Positioning S.A.M. and S.A.M.E2 ..........................19 www.neptronic.com Page | ii... - Page 4 Menu - Installation ................................45 Menu - Integration ................................47 List of Alarms ..................................49 Start-up Procedure ................................50 Initial Verification ................................50 Start-Up ....................................51 Service ....................................52 Cleaning the Evaporation Chamber........................... 52 Troubleshooting ..................................56 Notes ..................................... 57 www.neptronic.com Page | iii...
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Page 5: Overview
1 hydraulic female elbow fitting ½” (DN15) for the drain output of the drip pan. 1 NPT fitting ½” (DN15) for the water supply connection. 2 brackets and screws for wall mounting the humidifier (models SKE4-N02 to SKE4-N60 only). 1 Installation Instructions and User Manual. Available Options The following options are available when purchasing a SKE4 humidifier: ... -
Page 6: Visual Overview
Water Rail guide inlet Illustration 1 - Overview of the Humidifier (Left Side) Access door to low voltage compartment Printed circuit board Disconnect switch Illustration 2 - Overview of the Humidifier (Right Side) www.neptronic.com Page | - 5 -... -
Page 7: Standard Humidifier Unit
Illustration 3 - SKE4 Steam Humidifier Dimensions and Weight Table 1 - Dimensions and Weight Dimensions of the Cabinet (inch) [mm] Model Weight (lb) [kg] Empty Full SKE4-N02 19 ⅜ [492] SKE4-N04 23 [584] 13 ¾ [349] 71 [32] 85 [39] SKE4-N06... -
Page 8: Humidifier With Space Distribution Unit
Humidifier with Space Distribution Unit - Dimensions and Weight Table 2 - Dimensions and Weight of SDU Dimensions of the Cabinet (inch) [mm] Model Weight (lb) [kg] (lb) [kg] Empty Full SKE4-N02 19 ⅜ 13 ¾ 29 ¾ SDU-1 SKE4-N04 23 [584] 6 ¾ [171]... -
Page 9: Weather Proof Enclosure
Weather Proof Enclosure - Dimensions and Weight Table 3 - Weather Proof Enclosure: Dimensions and Weight Dimensions of the Cabinet (inch) [mm] Model Weight (lb) [kg] Empty Full SKE4-N02 SKE4-N04 36.5 [927] 25.9 [658] 14.8 [376] 100 [45] 115 [52]... -
Page 10: Output And Power Consumption - Humidifier
(lb/hr) (inch) (kW) 120/1 240/1 208/1 208/3 480/1 480/3 600/1 600/3 [kg/hr] [mm] 1 ⅜ [35] SKE4-N02 6 [2.7] 1 ⅜ [35] SKE4-N04 12 [5.5] 11.5 1 ⅜ [35] SKE4-N06 18 [8] 16.5 10.5 1 ⅜ [35] SKE4-N10 30 [14] 1 ⅜... -
Page 11: Mechanical Installation
Location WARNING: The SKE4 series is designed for indoor installation only. For outdoor installation, the SKE4 must be installed using a Neptronic weather proof enclosure (see Positioning and Mounting - Weather Proof Enclosure Unit on page 16). Failure to follow these guidelines will void the warranty. -
Page 12: Positioning
Leave a clearance of at least 20” (0.5 m) on top of the humidifier. For models SKE4-N02 to SKE4-N60: Mount the humidifier at a minimum height of 24” (0.6 m) above floor level. Leave a clearance of at least 10” (0.25 m) under the humidifier for installation of water supply, drain piping and electrical connections. -
Page 13: Wall Mounting
See the Dimensions and Weight section (page 6) to know the weight of the unit. Illustration 7 - Mounting Bracket Positioning Table 5 - Positioning Lines of Mounting Brackets Dimensions (inch) [mm] Model SKE4-N02 19 ⅜ [492] 18 ⅜ [467] 18 ⅜ [467] SKE4-N04... - Page 14 Positioning Lines of Mounting Brackets. 4. Drill 4 screws (not supplied) into the slotted holes of the bottom bracket, to secure the bracket to the support or wall. Illustration 8 - Mounting Bracket Attachment www.neptronic.com Page | - 13 -...
- Page 15 Verify that the holes are aligned with the ones located in the center of the bottom bracket. 7. From inside the humidifier, drill 2 (models SKE4-N02 to N30) or 4 (models SKE4-N20L to N60) screws (supplied) into the center of the bottom bracket, in order to secure the humidifier to the support or wall.
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Page 16: Positioning - Humidifier With Sdu
If additional ventilation is not present, ensure that the fan has a clearance of at least 54” (1.35 m) from the ceiling. Proper ventilation must be observed to avoid ceiling and wall condensation. Illustration 11 - SDU Mounted on Humidifier Maintenance of the SDU Clean the blower if there is an accumulation of dust. www.neptronic.com Page | - 15 -... -
Page 17: Positioning And Mounting - Weather Proof Enclosure Unit
Provide a level, solid foundation for the humidifier. Ensure that the floor/roof beneath the humidifier is water proof to withstand any water spillage during servicing or if a problem occurs. Attach the SKE4 enclosure securely and safely. www.neptronic.com Page | - 16 -... -
Page 18: Steam Dispersion System
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 the most economical solution for any particular application. Steam Absorption Manifold (S.A.M.) Horizontal Duct The S.A.M. - Page 19 3 feet (900 mm), or where low air duct temperatures are present. The Multi-Steam is custom made to the dimensions of the duct or AHU. Instructions to install the Multi-Steam system are described in a specific installation instructions manual enclosed with the Multi-Steam system. Illustration 16 - Multi Steam System www.neptronic.com Page | - 18 -...
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Page 20: Positioning S.a.m. And S.a.m.e2
Distribution Pipes Max Static Pressure Model Diameter Length Length lb/hr kg/hr in. of (in) [mm] (in) [mm] (in) [mm] water SKE4-N02 SKE4-N04 12 [300] 24 [600] 1 ⅜ [35] SKE4-N06 SKE4-N10 SKE4-N14 SKE4-N16 24 [600] 48 [1200] 1245 SKE4-N20 SKE4-N30 2 ⅛... -
Page 21: Placement Of Steam Pipe In Horizontal Duct
Illustration 19 - 2 ⅛’’ (54 mm) Diameter Pipe Placement: Horizontal Duct Note: 2 ⅛’’ (54 mm) steam pipe must be supported on the end by appropriate duct hanger or strap (supplied by others). www.neptronic.com Page | - 20 -... -
Page 22: Placement Of Steam Pipe In Vertical Duct
24’’ minimum 36’’ minimum (250mm) (900mm) (600mm) 1/2 W 1/4 W 1/4 W 1/2 W 1/6 W 1/3 W 1/3 W 1/6 W Illustration 22 - 2 ⅛’’ (54 mm) Diameter Pipe Placement: Vertical Duct www.neptronic.com Page | - 21 -... -
Page 23: Steam Output Connections
(0.67 m for each kg/hr) with a maximum of 50 feet (15 m). Consult factory for longer steam line runs. If you are using a rigid copper pipe, use insulation to diminish condensate build-up. www.neptronic.com Page | - 22 -... -
Page 24: S Trap Installation On The Steam Line
15% slopes Connect to open drain 8’’ (203mm) Use ‘‘S’’ separator when the steam distributor is Connect to open drain lower than the humidifier steam outlet Illustration 25 - Steam Separator (S trap) Installation www.neptronic.com Page | - 23 -... -
Page 25: Position Of Steam Outputs
SKE4-N Steam Humidifier Installation Instructions and User Manual Position of Steam Outputs Table 7 - Position of Steam Outputs Model SKE4-N02 9 ⅛” 6 ¾” SKE4-N04 (171 mm) (232 mm) SKE4-N06 SKE4-N10 SKE4-N14 12” 7 ½” SKE4-N16 (191 mm) (305 mm) -
Page 26: Remote Installation - Humidifier With Sdu
54'' (1.35 m) Field wiring Connect condensate (by others) hose to humidifier (back knockout hole) Or to open drain Field piping (by others) (0.10 m) 78'' (2 m) Illustration 26 - SDU Remote Installation www.neptronic.com Page | - 25 -... -
Page 27: Plumbing Connections
The SKE4 humidifier can operate with soft or hard water. For normal operation, pre-treatment of water is not necessary. Illustration 27 - Plumbing Connections for Models SKE4-N02 to SKE4-N60 (Bottom View) Table 8 - Dimensions for Plumbing Connections (SKE4-N02 to SKE4-N60) - Page 28 Note: For models SKE4-N30 X to SKE4-N90, the water supply inlet and main drain outlet are located on the right hand side of the humidifier by default. Left hand side or bottom placement (only with weather proof enclosure option) are available upon request. www.neptronic.com Page | - 27 -...
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Page 29: Water Supply Connections
NPT fitting to male threaded part of pipe Main Drain: Pan Drain: Connect 1/2” (DN15) Connect 3/4” (DN20) elbow fitting to compression fitting to hydraulic pipe hydraulic pipe Illustration 29 - Water Supply and Drain Connections www.neptronic.com Page | - 28 -... -
Page 30: Water Drain Connections
Weather Proof Enclosure Plumbing Connection Water Supply ½” NPT (DN15) Main Drain Pan Drain Copper pipe (by others) field installed for ¾” (DN20) ¾” (DN20) connection to side outlets Illustration 30 - Weather Proof Enclosure Plumbing: Front View www.neptronic.com Page | - 29 -... -
Page 31: Water Drain Valve
During normal operation, the humidifier reduces drain water temperature to 140°F (60°C). CAUTION: During a power failure, the drain water temperature is not reduced. Installed drain piping must be rated to 212°F (100°C). www.neptronic.com Page | - 30 -... -
Page 32: Electrical Connections
Ensure that each terminal connection is properly secured. Ensure that the ground conductor is equipped with a ring terminal and is connected directly to the electrical panel. Illustration 32 - One and Three Phase Power Connections www.neptronic.com Page | - 31 -... -
Page 33: Low Voltage Control Connections
The Printed Circuit Board (PCB) of the SKE4 Steam Humidifier is equipped with an advanced microprocessor, which controls all of the functions of the humidifier. All electrical control connections have been grouped alongside the bottom left corner of the PCB. www.neptronic.com Page | - 32 -... -
Page 34: Safety Contact Connections
Each series has one Normally Closed contact and one Normally Open contact. It is recommended to use the Normally Closed contact, as this contact will open in the event of a humidifier fault. www.neptronic.com Page | - 33 -... -
Page 35: On/Off Humidifier
For operation of On/Off humidifiers, connect the On/Off demand contact between TB3 1&5. If this contact opens, the SKE4 unit will turn off. If this contact closes, the SKE4 unit will operate. Illustration 36 - On/Off Humidifier Typical Wiring www.neptronic.com Page | - 34 -... -
Page 36: Modulating Humidifier
5. To configure the source of the signal(s), access the Control sub-menu located in the Installation menu (see page 45). Humidity Control by Humidistat (External Mode) Humidity controlled externally, using HRO20 humidistat: Illustration 37 - Control Signal from HRO20 Humidistat www.neptronic.com Page | - 35 -... - Page 37 Illustration 38 - Control Signal from HRO20 Humidistat with Remote Humidity Sensor (SHR10 or SHC80) Humidity Control by Humidifier (Internal Mode) Humidity controlled internally, using SHR10 or SHC80 as space sensor: Illustration 39 - Humidity Signal from Remote Humidity Sensor (SHR10 or SHC80) www.neptronic.com Page | - 36 -...
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Page 38: Network Communication
The network control signal(s) must be selected by accessing the Control sub-menu located in the Installation menu (see page 45). To setup the communication parameters, access the Integration menu (see page 47). Illustration 40 - Network Communication Connections www.neptronic.com Page | - 37 -... -
Page 39: Controls Placement (Steam Dispersed Into A Duct Or Ahu)
Return SHC80 Humidity sensor Steam dispersion manifold Or room HRO20 humidistat High limit SHC80 for VAV application only SHH8 High limit humidistat Illustration 41 - Controls Placement (Steam Dispersed into a Duct or AHU) www.neptronic.com Page | - 38 -... -
Page 40: Controller Configuration
The menu button is used to go to previous menu or to access the Main Menu Menu Button page from the Idle Screen. The enter button is used to advance to the next sub-menu, to access the selected Enter Button option or to confirm set parameter value. www.neptronic.com Page | - 39 -... -
Page 41: Idle Screen
Grants access to General, User and Service menus. 4433 Installation Grants access to General, User, Service and Installation menus. 5544 Integration Grants access to General, User, Service, Installation and Integration menus. Note: To modify or retrieve lost passwords, please contact factory. www.neptronic.com Page | - 40 -... -
Page 42: Menu Navigation And Configuration
Note: Available settings and range selections may vary depending on current configuration. The tables in the following sections display all the possible selections. The Description/Notes column indicates the conditions required for the associated setting to appear. www.neptronic.com Page | - 41 -... -
Page 43: Menu - General
If Leak is displayed, it indicates that there is a leak within the water line. WtrLvlLow: Current value * (Inactive, Active) Displays the status of the resistive low water level sensor. WtrLvlHigh: Current value * (Inactive, Active) Displays the status of the resistive high water level sensor. www.neptronic.com Page | - 42 -... - Page 44 Download required, Download in progress, Displays the current system status. Non-operational, Backup in progress) Vendor: Neptronic Displays the name of the vendor of the product. (Always Neptronic) Model: Displays the humidifier model name. FirmwareRev: Displays the latest firmware revision. CoreVersion: Displays the current application software version.
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Page 45: Menu - User
None, Reset Alarms, Drain, Reset Counters counters, initiate a drain cycle or reset warning alarms. Extended Select the frequency of the auto calibration setting for the water level WaterProbeAutoCalib: Always None, Once, Always Config sensor. www.neptronic.com Page | - 44 -... -
Page 46: Menu - Installation
Select the signal type for the control demand analog input. Select the signal type for the room humidity analog input. RoomRHSigType: 0-10Vdc 0-10Vdc, 2-10Vdc, 4-20mA, 0-20mA (Only appears if ControlProfile is set to InternAnalog or RoomRHSrc is set to RoomRH.) www.neptronic.com Page | - 45 -... - Page 47 Select whether to enable automatic rinse cycles while the humidifier is turned off. TankRinseOff: Off, On When set to Off, the TankRinseInterval setting is disabled if the humidifier is turned off. www.neptronic.com Page | - 46 -...
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Page 48: Menu - Integration
Select the Modbus communication port configuration. Odd Parity, 1 Stop bit BaudRate: 19200 9600, 14400, 19200, 38400, 57600 Select the baud rate for data transfer. Extended IP0:192.168.92.101: SysLogIF: Select the IP address for the system log interface. Config 2971 www.neptronic.com Page | - 47 -... - Page 49 Current value Displays the actual default gateway. ActualDnsServer: Current value Displays the actual DNS server. ETHSettings Displays the MAC address of the Ethernet interface. EthernetMacAdd: Current value (Only applicable if using an Ethernet connection.) www.neptronic.com Page | - 48 -...
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Page 50: List Of Alarms
Indicates that the due date for servicing the evaporation chamber has arrived. See Service section on ServiceDue Manual ** page 52 for details. * Use Reset Alarms function in Request setting (see page 44). ** Use Reset Counters function in Request setting (see page 44). www.neptronic.com Page | - 49 -... -
Page 51: Start-Up Procedure
Verify that the setpoints are properly adjusted. 12. Turn the power on using the circuit breaker disconnect switch. 13. Confirm the control set-up of the humidifier and verify that the setpoints are properly adjusted. www.neptronic.com Page | - 50 -... -
Page 52: Start-Up
5. Once the drain cycle is complete, restart the humidifier by pressing and holding the Power button for 3 seconds. 6. Reset the Airflow switch if needed. 7. The humidifier is now ready for normal operation. www.neptronic.com Page | - 51 -... -
Page 53: Service
At the end of the second drain cycle, check the temperature of the evaporation chamber. To check the temperature, open the front door of the humidifier and touch the chamber with the back of your hand. If necessary, repeat the above steps until the chamber is cool enough to handle. www.neptronic.com Page | - 52 -... - Page 54 Stage 3 - Remove and clean the evaporation chamber Disconnect the water inlet. Slightly lift the chamber upwards. Uncouple the clamp connectors. Pull the chamber towards you. Slide the chamber down. Begin cleaning the chamber. www.neptronic.com Page | - 53 -...
- Page 55 2. Uncouple the clamp connectors. Model Method SKE4-N02 to SKE4-N30 Turn the two latches located around the evaporation chamber. SKE4-N20L to SKE4-N60 Turn the three latches located around the evaporation chamber. Disengage the latch and remove the band clamp located around the evaporation SKE4-N30X to SKE4-N90 chamber.
- Page 56 After the water boils for 6 hours in the chamber, it is laden with minerals and solutions. This affects the humidity output and the efficiency of the humidifier. Diluting the boiling water with a drain cycle will improve the performance of the humidifier. www.neptronic.com Page | - 55 -...
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Page 57: Troubleshooting
Verify that the connections of the FFC cable are Humidifier is producing connected properly. properly secured and are on the correct side. steam (Screen turned Off, Status Display LED: Blue) The LCD display is defective. Replace the LCD display. www.neptronic.com Page | - 56 -... -
Page 58: Notes
Notes... - Page 60 400 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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