Neptronic SKG4-E Series Installation Instructions And User Manual
Gas fired humidifier
Hide thumbs
Also See for SKG4-E Series:
- Startup procedure (2 pages) ,
- Installation instructions and user manual (84 pages)
Subscribe to Our Youtube Channel
Related Manuals for Neptronic SKG4-E Series
Summary of Contents for Neptronic SKG4-E Series
- Page 1 Gas Fired Humidifier SKG4-E Series Installation Instructions and User Manual READ AND SAVE THESE INSTRUCTIONS SKG4-E-ESA-181203...
- Page 2 Health and Safety Neptronic has considered the aspects of the design of their humidification systems to reduce as much as possible the risk of Legionnaires’ disease and other similar conditions, but it is important that users are also aware of their responsibilities under Health and Safety regulations in reducing the risk of legionellosis.
- Page 3 Always store keys centrally with a nominated responsible person. Water Neptronic systems are designed to be used with tap, reverse osmosis or deionized water. On no account must any other fluids or chemicals be introduced into the system without first consulting Neptronic or its authorized distributor.
- Page 4 Neptronic. 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 5: Table Of Contents
Gas Leak Test ........................... 28 Stage 4 - Water Supply Installation ....................... 29 Water Inlet Specifications ........................29 Water Supply Line Installation ......................29 Stage 5 - Water Drain Connection ......................31 Water Drain Specifications ........................ 31 www.neptronic.com Page | - 4 -... - Page 6 Initial Verification ..........................60 Start-Up ............................. 61 Service ..............................62 Cleaning the Humidifier ........................62 Inspecting the Humidifier Components ..................... 65 Burner Assembly and Heat Exchanger Tube Maintenance .............. 66 Burner Maintenance .......................... 66 Troubleshooting ............................ 67 www.neptronic.com Page | - 5 -...
-
Page 7: Overview
4 lifting eyelets Illustration 1 - Lifting (Weather Proof Enclosure) Unpacking The SKG4 humidifier is shipped in a wooden crate. Ensure packing wooden crate and skid is removed prior to commissioning. www.neptronic.com Page | - 6 -... -
Page 8: List Of Accessories Supplied
(2x) 100 Note 1: Maximum static duct pressure is 1.25 kPa (12.5 mbar). For higher static duct pressures, consult Neptronic or its authorized distributor. Note 2: Standard humidifier is designed for natural ventilation combustion air. ‘’Ducted Combustion Air’’ option is available upon request. See Stage 6 of installation procedure for more details. -
Page 9: Visual Overview
Front door and heat exchanger Gas supply inlet (either side) Water supply (either side) Drain outlet (either side) Quick connect water outlet 316SS Evaporation chamber (shown in “DOWN” position) Illustration 2 - Humidifier Overview www.neptronic.com Page | - 8 -... -
Page 10: Standard Humidifier Unit
1372 1220 560 610 1080 SKG4-E1702 N/P SKG4-E2002 N/P SKG4-E2503 N/P SKG4-E2703 N/P Ø76 1372 1830 560 610 1080 1690 SKG4-E3003 N/P SKG4-E3504 N/P SKG4-E3704 N/P Ø76 1372 2440 560 610 1080 1690 2300 SKG4-E4004 N/P www.neptronic.com Page | - 9 -... -
Page 11: Position And Dimension Of Connections
Note: Drain outlet, water supply inlet, gas supply inlet and flue outlet are located on the right hand side of the humidifier. Left hand side location of any of these outlets or inlets is available upon request. www.neptronic.com Page | - 10 -... -
Page 12: Option - Ducted Combustion Air Inlet Dimensions
SKG4-E0501 N/P SKG4-E0701 N/P Ø51 SKG4-E0801 N/P SKG4-E1001 N/P SKG4-E1202 N/P SKG4-E1502 N/P Ø51 SKG4-E1702 N/P SKG4-E2002 N/P SKG4-E2503 N/P SKG4-E2703 N/P Ø51 1571 SKG4-3E003 N/P SKG4-E3504 N/P SKG4-E3704 N/P Ø51 1571 2180 SKG4-E4004 N/P www.neptronic.com Page | - 11 -... -
Page 13: Weather Proof Enclosure
1898 SKG4-E0801 N/P SKG4-E1001 N/P SKG4-E1202 N/P SKG4-E1502 N/P 1898 1434 SKG4-E1702 N/P SKG4-E2002 N/P SKG4-E2503 N/P SKG4-E2703 N/P 1898 2091 SKG4-E3003 N/P SKG4-E3504 N/P SKG4-E3704 N/P 1898 1435 1623 1364 1050 SKG4-E4004 N/P www.neptronic.com Page | - 12 -... -
Page 14: Multiple Module Composition
Model Modules SKG100 SKG150 SKG180 SKG200 SKG4-E0501 N/P SKG4-E0701 N/P SKG4-E0801 N/P SKG4-E1001 N/P SKG4-E1202 N/P SKG4-E1502 N/P SKG4-E1702 N/P SKG4-E2002 N/P SKG4-E2503 N/P SKG4-E2703 N/P SKG4-E3003 N/P SKG4-E3504 N/P SKG4-E3704 N/P SKG4-E4004 N/P www.neptronic.com Page | - 13 -... -
Page 15: Installation Overview
Stage 8: Electrical Supply and Installation Stage 9: Electrical Control Connections Stage 2 Stage 7 Stage 6 Stage 8 Stage 9 Stage 3 Stage 1 Stage 5 Stage 4 Illustration 8 - Installation Overview www.neptronic.com Page | - 14 -... -
Page 16: Stage 1 - Unit Positioning And Mounting
Provide a level, solid foundation for the humidifier. Ensure that the floor beneath the humidifier is water proof to withstand any water spillage during servicing or in the event of a problem. www.neptronic.com Page | - 15 -... -
Page 17: Ambient Condition And Altitude
Leave a clearance of at least 0.8 m to the front panel and 0.6 m on the left and right sides of the humidifier. Leave a clearance of at least 0.5 m on top of the humidifier. Illustration 9 - Standard Enclosure Clearances www.neptronic.com Page | - 16 -... -
Page 18: Minimum Clearances - Weather Proof Enclosure
Leave a clearance of at least 0.8 m to the front panel and 0.6 m on the left and right sides of the humidifier. Leave a clearance of at least 0.5 m on top of the humidifier. Illustration 10 - Weather Proof Enclosure Clearances www.neptronic.com Page | - 17 -... -
Page 19: Weather Proof Enclosure Installation On Floor/Roof
The base of the weather proof enclosure is provided with holes of 12mm diameter to secure the SKG4 humidifier to the roof curb, with the use of bolts and washers of 12mm diameter (not supplied). www.neptronic.com Page | - 18 -... -
Page 20: Stage 2 - Steam Distribution Installation
Single module humidifier with 2 S.A.M.E2 manifolds Single module humidifier Min. 7° with Multi-Steam. Min. 7° Static pressure + 2" (50mm) Static pressure + 2" (50mm) Illustration 14 - Steam Distribution Pipes: Correct Installation www.neptronic.com Page | - 19 -... -
Page 21: Weather Proof Enclosure Steam Outlets
Table 8 - Steam Outlet Dimensions and Quantity (Weather Proof Enclosure) Steam Outlet Steam Outlet Model Quantity Diameter SKG4-E0501 to 1001 Ø76mm SKG4-E1202 to 2002 Ø100mm SKG4-E2503 to 3003 Ø125mm SKG4-E3504 to 4004 Ø100mm www.neptronic.com Page | - 20 -... -
Page 22: Steam Dispersion General Recommendations
76mm up to 100kg/h 100mm up to 200kg/h 125mm up to 300kg/h For all humidifiers having a capacity below 100kg/h, use standard Neptronic S.A.M.E2 steam distribution pipes. A Multi-Steam system can be offered if shorter absorption distances are required. ... - Page 23 Placement of Steam Pipe in Vertical Duct 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 18 - Pipe Placement: Vertical Duct www.neptronic.com Page | - 22 -...
-
Page 24: Steam Pipe Work To Duct Connections With S.a.m.e2
Illustration 20 - S.A.M.E2 Steam Pipe Work (SKG4-E0701 to 1001) A single Ø76mm feed pipe must be connected to three S.A.M.E2 steam manifolds with a suitable reduction at the lowest point to allow a Ø15mm condensate drain from the main steam supply. www.neptronic.com Page | - 23 -... -
Page 25: Multi-Steam System
Installation Instructions and User Manual Multi-Steam System Selection of Multi-Steam System For all Multi-Steam units, use the Neptronic Humidisoft program to size the unit. Where two Multi-Steam units are required (duties in excess of 300kg/h), make your selection using the following rules: o Divide the air volume flow in half. -
Page 26: Steam Pipe Work To Duct Connections With Multi-Steam
Two Ø76mm steam outlets attached to a single Ø100mm feed pipe must be connected to a single Multi-Steam with a suitable reduction at the lowest point to allow a Ø15mm condensate drain from the main steam supply. www.neptronic.com Page | - 25 -... - Page 27 Multi-Steam with a suitable reduction at the lowest point to allow a Ø15mm condensate drain from the main steam supply. This must be reproduced two times. If the two Ø15mm condensate pipes are connected, the common condensate drain must be Ø20mm. www.neptronic.com Page | - 26 -...
-
Page 28: Stage 3 - Gas Supply Connection
After installation, field piping and humidifier gas train must be checked for leaks. Do not use soap solution or open flame on the humidifier gas train. A gas leak detector must be used. All leaks must be sealed prior to commissioning the humidifier. www.neptronic.com Page | - 27 -... -
Page 29: Gas Pipe Diameter
The gas supply pressure at the inlet pressure tap, when all the burners are running, must be: 1.75 kPa (17.5 mbar) for natural gas. 3.5 kPa (35 mbar) for propane and butane. www.neptronic.com Page | - 28 -... -
Page 30: Stage 4 - Water Supply Installation
For normal operation, pre-treatment of water is not necessary. As the humidifier is equipped with the Neptronic Anti-Foaming Energy Conservation (AFEC) system, which drains the humidifier in the presence of foam to ensure clean and safe operation, the use of softened water is not recommended. - Page 31 United Kingdom, a double check valve must be installed as indicated in the above illustration. All connections must be made using the gaskets provided. On the inlet side of the check valve shown is a compression fitting for a 15mm pipe. www.neptronic.com Page | - 30 -...
-
Page 32: Stage 5 - Water Drain Connection
No drain trap is required. Pan drain connection must be connected to drain pipe through separated line. Main Drain SKG4 4" (102mm) Open Drain Pan Drain Illustration 29 - Water Drain Connections: Correct Installation www.neptronic.com Page | - 31 -... -
Page 33: Pan Drain Connection On Weather Proof Enclosure
During normal operation, the humidifier reduces drain water temperature to 60°C. CAUTION: During a power failure, the drain water temperature is not reduced. Installed drain piping must be rated to 100°C. www.neptronic.com Page | - 32 -... -
Page 34: Stage 6 - Combustion Air Installation
SKG4 Humidifier. If other gas fired appliances are installed in the same room, the openings will have to be increased to be able to supply adequate combustion air for all of the appliances. Note 3: For comparison with minimum flue gas venting spacing, refer to Stage 7. www.neptronic.com Page | - 33 -... -
Page 35: Natural Ventilation Installation
Ensure that the combustion air duct connections are air tight. The minimum combustion air duct upward gradient must be 20mm in 1000mm horizontal run. Combustion Air Inlet Model Diameter per Module SKG4-EXXXX Ø51mm O.D. www.neptronic.com Page | - 34 -... - Page 36 Illustration 33 - Ducted Combustion Air (1 Module) 2 Module Humidifiers: SKG4-E1202 to SKG4-E2002 1 to 2 Outlet manifold Ø4" (100mm) minimum Ø2" (51mm) minimum Humidifier inlet Ø2" (51mm) Illustration 34 - Ducted Combustion Air (2 Modules) www.neptronic.com Page | - 35 -...
- Page 37 Illustration 35 - Ducted Combustion Air (3 Modules) 4 Module Humidifiers: SKG4-E3504 to SKG4-E4004 1 to 4 Outlet manifold Ø8" (205mm) minimum Ø2" (51mm) minimum Humidifier inlet Ø2" (51mm) Illustration 36 - Ducted Combustion Air (4 Modules) www.neptronic.com Page | - 36 -...
-
Page 38: Stage 7 - Flue Gas Venting Connection
The SKG4 humidifier is a condensing appliance. As such, its high efficiency may cause condensation in the flue gas venting. Condensate drip tee must be installed, as per flue gas venting manufacturer’s instructions. www.neptronic.com Page | - 37 -... -
Page 39: Flue Gas Terminal
Above or below other flue gas terminal. From a surface facing the terminal. 1200 From a facing other flue gas terminal. Above, below, beside or facing any electric or gas 1250 meter, regulator or relief device. www.neptronic.com Page | - 38 -... - Page 40 Outside wall Vent terminal to prevent backflow due to outside weather conditions Drip trap Humidifier single flue gases outlet Important this connection must be air tight. Illustration 37 - Typical Flue Gas Installation (3 Modules) www.neptronic.com Page | - 39 -...
-
Page 41: Stage 8 - Electrical Supply And Installation
Table 13 - SKG4 Electrical Power Supply Weather Proof Standard Enclosure Model Voltage Current Current SKG4-E0501 to 1001 230V - 1ph SKG4-E1202 to 2002 230V - 1ph SKG4-E2503 to 3003 230V - 1ph SKG4-E3504 to 4004 230V - 1ph www.neptronic.com Page | - 40 -... -
Page 42: Stage 9 - Electrical Control 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 | - 41 -... -
Page 43: Humidifier Control
Humidity Control by Humidistat (External Mode) Humidity controlled externally, using HRO20 humidistat: 24 Vac Airflow switch High limit humidistat HRO20 Interlock humidistat Common 24 VAC 24 Vac Control Demand Room Humidity Illustration 41 - Control Signal from HRO20 Humidistat www.neptronic.com Page | - 42 -... -
Page 44: Humidity Control By Humidifier (Internal Mode)
Humidity controlled internally, using SHR10 or SHC80 as space sensor: 24 Vac Airflow switch High limit humidistat Interlock Common 24 VAC 24 Vac Room Humidity SHR10 SHC80 Illustration 43 - Humidity Signal from Remote Humidity Sensor (SHR10 or SHC80) www.neptronic.com Page | - 43 -... -
Page 45: Humidity Control By External Source
SKG4-E Gas Fired Humidifier Installation Instructions and User Manual Humidity Control by External Source Humidity controlled externally, using an external signal source: Illustration 44 - Control Signal from External Device www.neptronic.com Page | - 44 -... -
Page 46: Network Communication
Modbus RTU, access the NtwrkOption setting located in the Network sub-menu of the Integration menu (see page 57). RS 485 (HRL24) RS 485 (*BACnet MS/TP or Modbus RTU) *BACnet MS/TP configured by default Illustration 45 - Network Communication Connections www.neptronic.com Page | - 45 -... -
Page 47: Controls Placement (Steam Dispersed Into A Duct Or Ahu)
Air flow switch Return SHC80 Humidity sensor Steam dispersion manifold Or room HRO20 humidistat SHS80 high limit for constant flow and VAV application Illustration 46 - Controls Placement (Steam Dispersed into a Duct or AHU) www.neptronic.com Page | - 46 -... -
Page 48: Controller Configuration
Back/Menu Button the Main Menu page from the Idle Screen. The enter button is used to advance to the next sub-menu, to Enter Button access the selected option or to confirm set parameter value. www.neptronic.com Page | - 47 -... -
Page 49: Idle Screen
Grants access to General, User and Service menus. 4433 Installation Grants access to General, User, Service and Installation menus. Grants access to General, User, Service, Installation and Integration 5544 Integration menus. Note: To modify or retrieve lost passwords, please contact factory. www.neptronic.com Page | - 48 -... -
Page 50: 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 | - 49 -... -
Page 51: Menu - General
(Only appears when using an On/Off humidifier.) Displays the status of the interlock. Interlock: Closed * (Closed, Open) If Open is displayed, it indicates that the humidifier is stopped as a result of the interlock safety being open. www.neptronic.com Page | - 50 -... - Page 52 Current Value * (Off, On) Displays the status of the ignition control module. Displays the status of the normally open drain valve. DrainValve: * (On, Off) (Only appears for units with the weather proof enclosure.) www.neptronic.com Page | - 51 -...
- Page 53 Operational required, Download in progress, Non-operational, Displays the current system status. 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.
-
Page 54: Menu - User
Humidity: Current value *(min: 0.0%, 100.0%) Displays the room humidity value measured by the HRL24 controller. Displays whether the setpoint obtained from the HRL24 controller can be LockSetpnt: Unlock (Unlock, lock) modified or not. www.neptronic.com Page | - 53 -... -
Page 55: Menu - Service
Mod4Request None Filling, WaterCalib, PurgeAir calibrate the water level sensor or perform an air purge. (Only appears when there is a fourth humidifier module.) www.neptronic.com Page | - 54 -... -
Page 56: Menu - Installation
Select the signal type for the duct or supply high limit humidity analog input. SupplyRHSigType: 0-10Vdc 0-10Vdc, 2-10Vdc, 4-20mA, 0-20mA (Only appears if ModHLProfile is set to InternAnalog or SupplyHLReadingSrc is set to SupplyHLRH.) www.neptronic.com Page | - 55 -... - Page 57 Off, the TankRinseInterval setting is disabled if the humidifier is turned on. Select under which system operation mode the different modules will operate. SystMode: Sequential Parallel, Sequential, Hybrid (Only applicable for units having multiple modules.) www.neptronic.com Page | - 56 -...
-
Page 58: Menu - Integration
Displays information on the transmitted communication frames for troubleshooting purposes. TxLost: ModbusServer For models connected to Modbus. Select whether to use a metric or imperial system of units for the Modbus Units: Metric Metric, Imperial server. www.neptronic.com Page | - 57 -... - Page 59 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 | - 58 -...
-
Page 60: List Of Alarms
Indicates that the due date for servicing the humidifier has arrived. See Service section ServiceDue Manual ** on page 62 for details. * Use Reset Alarms function in Request setting (see page 54). ** Use Reset Counters function in Request setting (see page 54). www.neptronic.com Page | - 59 -... -
Page 61: Start-Up Procedure
Verify that the setpoints are properly adjusted. 16. Turn the power on using the circuit breaker. 17. Confirm the control set-up of the humidifier and verify that the setpoints are properly adjusted. www.neptronic.com Page | - 60 -... -
Page 62: Start-Up
6. Once the drain cycle is complete, restart the humidifier by pressing and holding the Power button for 3 seconds. 7. Reset the Airflow switch if needed. 8. The humidifier is now ready for normal operation. www.neptronic.com Page | - 61 -... -
Page 63: Service
If necessary, press and hold the Power button for 3 seconds to turn on the humidifier and refill the evaporation chamber with water, then repeat the above steps until the chamber is cool enough to handle. www.neptronic.com Page | - 62 -... - Page 64 3. Disconnect the water plug and reconnect the water inlet to the evaporation chamber. 4. Turn on the gas and water supply valves located outside the humidifier. 5. Turn the power back on using the circuit breaker. www.neptronic.com Page | - 63 -...
- Page 65 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 | - 64 -...
-
Page 66: Inspecting The Humidifier Components
If there is accumulation of fly ashes, the burner must be disassembled by skilled and qualified technical personnel for further inspection. Other Ensure that there are no obvious signs of deterioration of the humidifier. www.neptronic.com Page | - 65 -... -
Page 67: Burner Assembly And Heat Exchanger Tube Maintenance
The burner(s) does not require cleaning under normal use conditions. However, depending on the operating environment, the burner(s) may require periodic cleaning to remove accumulated materials. Failure to clean burners may result in reduced unit capacity or unacceptable flue gas CO levels. www.neptronic.com Page | - 66 -... -
Page 68: Troubleshooting
The PCB is not detecting the signal. There is an issue with the outside the range, adjust the value. flue gas temperature sensor The PCB is detecting an erroneous Replace the flue gas temperature sensor. signal. www.neptronic.com Page | - 67 -... - Page 69 - Replace the combustion air filter. running according to the speed correctly For Ducted Combustion Air option: required for humidity demand. - Inspect the ducted combustion air system and remove any debris or obstructions. www.neptronic.com Page | - 68 -...
- Page 70 Notes...
- Page 72 400 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)
Need help?
Do you have a question about the SKG4-E Series and is the answer not in the manual?
Questions and answers