Neptronic SKH4 Installation Instructions And User Manual
High-pressure atomizer
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Summary of Contents for Neptronic SKH4
- Page 1 SKH4 High-Pressure Atomizer Installation Instructions and User Manual Read and save this manual SKH4-E-ESA-231208...
- Page 2 HVAC industry. Exporting over 75% of our sales, we have an exclusive distribution network around the globe that provides comprehensive solutions to our worldwide customers. About the Manual These installation and operation instructions have been developed to facilitate the installation of the SKH4 High-Pressure Atomizer humidifier. •...
- Page 3 Health and Safety Instructions General This manual has been written to ensure correct, safe and sustainable operation of the SKH4 High-Pressure Atomiser and is intended for use by engineers and technical personnel trained by or their official agents. This manual must be read thoroughly before specifying, designing, installing or operating a SKH4 High- Pressure Atomizer.
- Page 4 Legionnaires’ disease. The SKH4 has been designed to reduce the potential risk of legionellosis growth. Users also share the responsibility for reducing the risk of legionellosis; users are required to: •...
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Page 5: Handling And Packaging
Report any damage immediately to your Neptronic representative. Unpacking The SKH4 pump station is delivered in a crate. All other optional products, such as the distributors or the remote valve panel are delivered separately in carton. www.neptronic.com... -
Page 6: Table Of Contents
Step 1 – SKH4 Pump Station Installation ........................ 18 General Recommendations ............................18 Step 2 – Water Connections for the SKH4 Pump Station ..................20 Step 3 – Power Supply Connections ........................22 Power Supply Connections on SKH4 Pump Station ....................22 Power Supply Knockout Holes Location on SKH4 Pump Station ................. - Page 7 SKH4 High-Pressure Atomizer Installation Instructions and User Manual RVP Dimensions ..............................51 Location ..................................52 Positioning ................................... 52 Wall Mounting ................................52 Start-Up Procedure ..............................53 Initial Verification ..............................53 Diagnostic mode ..............................54 Servicing and Maintenance ............................55 Preventative Maintenance ............................55 Preventive Maintenance (continued) ........................
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Page 8: Overview
The SKH4 High-Pressure Atomizer uses water through a high-pressure system to produce a fine mist with a droplet size of less than 20µm. The ambient air absorbs the fine mist, and the SKH4 adapts to seasonal changes to provide direct evaporative cooling in summer and humidification in winter. Additionally, the SKH4 provides BACnet MS/TP communication, multi-zone operation (up to 4 zones) and remote connection to the entire system from any zone. -
Page 9: Skh4 System
The SKH4 Pump Unit is equipped with a pump and a motor that can use an optional VFD in order to control the pump speed. The regulation of the outlet pressure is assured mechanically by the pump, in order to maintain a consistent and reliable outlet pressure, regardless of the configuration of stages open. -
Page 10: Skh4 Pump Station
SKH4 High-Pressure Atomizer Installation Instructions and User Manual SKH4 Pump Station Visual Overview Illustration 1 - SKH4 Enclosure www.neptronic.com Page | 9... - Page 11 SKH4 High-Pressure Atomizer Installation Instructions and User Manual Illustration 2 - Detailed Overview of Components Illustration 3 - Detailed Overview of Low Pressure Components www.neptronic.com Page | 10...
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Page 12: Pump Unit Nomenclature
SKH4 High-Pressure Atomizer Installation Instructions and User Manual Pump Unit Nomenclature Table 1 - Pump Module Nomenclature Pump Module Nomenclature SKH4-ABBBC DD EF Designation Notation Description E: Europe - 50Hz Frequency 005 to 300 Capacity (L/h) B (Brass) Pump Type... -
Page 13: Capacities And Power Consumption Of Pump Unit (Brass)
SKH4 High-Pressure Atomizer Installation Instructions and User Manual Capacities and Power Consumption of Pump Unit (Brass) Table 2 - Capacities and Power Consumption of the Pump Unit (Brass) Brass Pump MCA (A) Cabinet Max Output Min Output Model (L/h) (L/h) -
Page 14: Dimensions And Weight
SKH4 High-Pressure Atomizer Installation Instructions and User Manual Dimensions and Weight Illustration 4 - SKH4 Pump Unit Dimensions Table 4 - Pump Station Dimensions Dimensions (mm) Enclosure Type Model Weight (kg) SKH4-E008B SKH4-E010B SKH4-E018B SKH4-E022B Small Enclosure 1130 SKH4-E037B SKH4-E045B... -
Page 15: Fan-Assisted Distributors
SKH4 High-Pressure Atomizer Installation Instructions and User Manual Fan-Assisted Distributors Fan-Assisted Distributors Nomenclature Table 5 - Fan-Assisted Distributors Nomenclature Fan-Assisted Distributors Nomenclature SKH4-AAA BBBB C DD Designation Notation Description Radial distribution unit Axial distribution unit BBBB 0100 to 2500 C: 240 VAC / 1ph... -
Page 16: Fan-Assisted Distributors Dimensions And Weight
SKH4 High-Pressure Atomizer Installation Instructions and User Manual Fan-Assisted Distributors Dimensions and Weight Table 7 - Fan-Assisted Distributors Dimensions and Weight Dimensions Weight Model Nozzle Capacity Mounting Illustration (mm) (kg) 308 x 239 x 267 Wall mounted (3l/h to 5l/h) -
Page 17: In-Duct Distribution Rack
SKH4 High-Pressure Atomizer Installation Instructions and User Manual In-Duct Distribution Rack Illustration 5 - In-Duct Distribution Dimensions and weight vary for each installation, consult with the factory in order to get a quote and detailed drawings for each application. Refer to the Duct Distribution Guide for more details on how to install the duct rack and droplet separator. -
Page 18: Basic Installation Overview
SKH4 High-Pressure Atomizer Installation Instructions and User Manual Basic Installation Overview WARNING: Failure to observe manufacturer's installation recommendations voids the manufacturer’s warranty. Installation Summary Illustration 6 - Overview of a Typical System Distribution in Space www.neptronic.com Page | 17... -
Page 19: Pump Unit Installation
General Recommendations WARNING: Risk of electric shock. Disconnect the appliance from the electric supply before commencing installation. CAUTION: Risk of injury. The SKH4 pump station is heavy; It MUST always be handled and lifted with care. Location Consider the following points before deciding the location for the pump station: •... - Page 20 Provide a level, solid foundation for the SKH4 pump station. • Ensure that the SKH4 pump station is leveled with the provided with adjustable legs. • Allow some space beneath the pump station for the drain pan connection, located below the bottom plate.
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Page 21: Step 2 - Water Connections For The Skh4 Pump Station
SKH4 High-Pressure Atomizer Installation Instructions and User Manual Step 2 – Water Connections for the SKH4 Pump Station • Install an isolation valve (not supplied) on the water line near the pump station inlet for ease of maintenance and servicing. Place the valve in front of the water filter if used. - Page 22 Connect a DN15 pipe (not supplied) to the female DN15 drain outlet to an open drain outlet. • The pan drain is located below the base of the SKH4 pump station and is directed towards the main building open drain.
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Page 23: Step 3 - Power Supply Connections
Secure each terminal connection with a cable ferrule. • Do not use the SKH4 pump station’s frame to connect to ground. The SKH4 pump station cabinet has a provision for the electrical ground. Power Supply Connections on SKH4 Pump Station... -
Page 24: Power Supply Knockout Holes Location On Skh4 Pump Station
SKH4 High-Pressure Atomizer Installation Instructions and User Manual Power Supply Knockout Holes Location on SKH4 Pump Station Connect high power cable through the knockout holes provided on the unit. Alternative points are given depending on the installation constraints. Illustration 12 - Power Supply Knockout Holes www.neptronic.com... -
Page 25: Step 4 - Electrical Control Connections
Interlock. Wire the switch on the PCB between terminals TB3 1&4. If this contact opens, the operation of the SKH4 unit stops all zones and an Alarm will be displayed. If the interlock is not used, install a jumper between terminals TB3 1&4. -
Page 26: Safety Contact Connections Per Zone From Trub
• Interlock. Wire the switch on the TRUB between the recommended terminals TB2 2 (COM) & 4 (UI4). If this contact opens, the operation of the SKH4 unit stops and an Alarm will be displayed. For more information, consult the TRUB documentation. -
Page 27: Network Communication
Modbus RTU, access the NtwrkOption setting located in the Network sub-menu of the Integration menu (see page 41 ). 14 - Network Communication Connections Illustration BACnet – Network The SKH4 master pump station may use BACnet or Modbus protocols to communicate, either with an IP connection or MS/TP. www.neptronic.com Page | 26... -
Page 28: Step 5 - Pump Controller Installation And Configuration
Minus Button Down Arrow Button Power Button Drain Button Status Display Illustration 15 - SKH4 Controller Controller Panel Features The following are the features of the Control Panel and their description: Table 9 - Humidifier Control Panel Description Feature Description ☼... -
Page 29: Idle Screen
SKH4 High-Pressure Atomizer Installation Instructions and User Manual Idle Screen When the controller is in operation, the unit displays the following information on the Idle Screen: Table 10 - Idle Screen Display Description Range Setting Default Description/Notes (* indicates no configuration; display only) -
Page 30: Configuration Parameters
SKH4 High-Pressure Atomizer Installation Instructions and User Manual Configuration parameters In the menu Installation/quickConfig/Stage[ ], each stage needs to be defined. Input which zone (control signal) each stage is connected to and input the capacity (L/h) for the stage control. Input the drain valve associated with the stage valve (the two valves should form a loop with the nozzles in between). -
Page 31: Multi-Zones Operation
SKH4 High-Pressure Atomizer Installation Instructions and User Manual Control Profile – Internal Signal – Network The unit expects either a temperature demand signal (set using object AV.155 Control Network Demand and object AV.156 Room temperature setpoint) or a humidity demand signal (set using object AV.106 Room RH Network Reading and object AV.107 Room RH Setpoint), coming from the network and then calculates... -
Page 32: Menu - General [Level 1 - No Password Required]
SKH4 High-Pressure Atomizer Installation Instructions and User Manual Menu - General [Level 1 - No password required] Press the back/menu button from the Idle Screen to access the General menu. Range Sub-Menu Setting Default (* indicates no Description/Notes configuration; display only) - Page 33 SKH4 High-Pressure Atomizer Installation Instructions and User Manual Displays the supply high limit humidity demand value. Only appears if there is a single zone and ModHLProfile is set to Control RHSupplyHLDemand: Current value * (min: 0%, max: 100%) internal control...
- Page 34 SKH4 High-Pressure Atomizer Installation Instructions and User Manual Displays the status of the service warning ServiceRelay: Current value * (Off, On) relay. Valve1 * (Off, On) Displays the status of the valve 1. Valve2 * (Off, On) Displays the status of the valve 2.
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Page 35: Menu - User Settings [Level 2 - Requires Level 2 (Or Higher) Password In Order To Access]
SKH4 High-Pressure Atomizer Installation Instructions and User Manual Menu - User Settings [Level 2 - Requires level 2 (or higher) password in order to access] Sub-Menu Setting Default Range Description/Notes 00:00 Create a customized draining schedule with up to DrainSchedule: Monday to Sunday six events per day. - Page 36 SKH4 High-Pressure Atomizer Installation Instructions and User Manual YYYY- MM-DD System LocalDateTime: Configure the current date and time. 00:00:0 LocalDisplay [5] min: max: BacklightLvl: Select the backlight level of the LCD screen. 100% Contrast: min: 0%, max: 30% Select the contrast level of the LCD screen.
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Page 37: Menu - Service [Level 3 - Requires Level 3 (Or Higher) Password In Order To Access]
SKH4 High-Pressure Atomizer Installation Instructions and User Manual Menu - Service [Level 3 - Requires level 3 (or higher) password in order to access] Range (* indicates no Sub-Menu Setting Default Description/Notes configuration; display only) OnTime: 0.00hr Displays the total operating time of the unit. -
Page 38: Menu - Installation [Level 4 - Requires Level 4 (Or Higher) Password In Order To Access]
SKH4 High-Pressure Atomizer Installation Instructions and User Manual Menu - Installation [Level 4 - Requires level 4 (or higher) password in order to access] Range Sub- (* indicates no Setting Default Description/Notes Menu configuration; display only) ZoneA to D [1]:... - Page 39 SKH4 High-Pressure Atomizer Installation Instructions and User Manual min: 1.0%, PropBand: 5.0% Set the value of the room demand proportional band. max: 100.0% Select the reading source for the room temperature None, TempRoom, TempSrc: None demand. (Network option only applicable for Network, HRL BACnet models.)
- Page 40 SKH4 High-Pressure Atomizer Installation Instructions and User Manual * (min: 0.0%, Displays the actual value of the control demand analog ControlInput: 0.0% max: 100.0%) input. min: 0.0%, Set the minimum value of the control demand analog Min: 0.0% max: 100.0% input.
- Page 41 SKH4 High-Pressure Atomizer Installation Instructions and User Manual 0-10Vdc, 2-10Vdc, Select the signal type for the duct or supply high limit SignalType: 0-10Vdc 4-20mA, 0-20mA temperature analog input. RoomTemp [6] * (min: 0.000V, Displays the value of the room temperature analog Signal: 0.000V...
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Page 42: Menu - Integration [Level 5 - Requires Level 5 Password In Order To Access]
SKH4 High-Pressure Atomizer Installation Instructions and User Manual Menu - Integration [Level 5 - Requires level 5 password in order to access] Range (* indicates no Sub-Menu Setting Default Description/Notes configuration; display only) Select whether to connect to a BACnet MS/TP... - Page 43 SKH4 High-Pressure Atomizer Installation Instructions and User Manual Set the User Datagram Protocol (UDP) port min: 0, BACnetIPPort: 47808 number. max: 65535 BACnet port number is set by default. ModbusServer [1] For models connected to Modbus. Select whether to use a metric or imperial...
- Page 44 SKH4 High-Pressure Atomizer Installation Instructions and User Manual If turned to On, then the humidifier alarm Alarm: Off, On messages will be sent to the email configured in the SMTP sub-menu. If turned to On, then the humidifier warning Network...
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Page 45: List Of Alarms And Warnings
Indicates that the airflow sensor is open. This fault does not trigger the alarm contact (no Airflow message will be displayed) but will prevent the SKH4 from running. Verify that the signal Automatic from the airflow sensor is present at the controller’s input on the PCB and verify wiring. -
Page 46: Distribution Installation
Installation Instructions and User Manual Distribution Installation Refer to Neptronic’s guideline in Space Mist Humidification Design for additional information and recommendations on the design of a hydraulic distribution network. Consult the respective design guides for each of the three distribution techniques. - Page 47 SKH4 High-Pressure Atomizer Installation Instructions and User Manual High-pressure water outlets use a DN10 or DN15 flexible high-pressure nylon hose (available upon request) connected to a push-to-connect fittings (available upon request) with the respective stage and drain valves. Illustration 18 - Typical Installation with Flexible Nylon Hose www.neptronic.com...
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Page 48: Spraying In Space With Fan-Assisted Distributors
SKH4 High-Pressure Atomizer Installation Instructions and User Manual Spraying in Space with Fan-Assisted Distributors • Plan a location that is easy to access and permits an easy inspection and servicing. • Do not install the distributors where failure of the system could cause damage to the building structure or to other expensive equipment. - Page 49 SKH4 High-Pressure Atomizer Installation Instructions and User Manual Ceiling Installation To install the MDU to the ceiling, connect two metallic suspension cables (not supplied) to the three rings. Verify the strength of the cables and ensure that they can support the weight of the distributor (see table) before commencing installation.
- Page 50 SKH4 High-Pressure Atomizer Installation Instructions and User Manual Fan assisted Power Supply Connections Fuse 120V 1PH 120VAC / 24VAC SKH4 STAGE Fuse TRUB Stages Illustration 21 - 120V Power supply Connections Fuse 240V 1PH 240VAC / Fuse 24VAC SKH4 STAGE...
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Page 51: Spraying In Duct
SKH4 High-Pressure Atomizer Installation Instructions and User Manual Spraying in Duct • Plan a location that is easy to access and permits an easy inspection and servicing of the nozzle. • Do not install the ramp and nozzle where failure of the system could cause damage to the building structure or to other expensive equipment. -
Page 52: Optional - Remote Valve Panel (Rvp)
SKH4 High-Pressure Atomizer Installation Instructions and User Manual Optional – Remote Valve Panel (RVP) WARNING: Risk of electric shock. Disconnect the appliance from the electric supply before commencing installation. An optional remote panel serves two purposes. The first is to allow a connection for the fan-assisted distributors and a connection to the control wire to start the fan before the spraying action. -
Page 53: Location
SKH4 High-Pressure Atomizer Installation Instructions and User Manual Location • Plan a location that is easy to access and permits an easy inspection and servicing of the RVP panel. • Do not install the RVP panel where failure of the valve could cause damage to the building structure or to other expensive equipment. -
Page 54: Start-Up Procedure
Installation Instructions and User Manual Start-Up Procedure Once the installation is complete, follow this start-up procedure in order to ensure that the SKH4 High- Pressure Atomizer is ready for normal operation. We strictly recommend following this procedure in order to avoid any anomaly resulting from inaccurate installation of the components. -
Page 55: Diagnostic Mode
If required, a diagnostic mode is accessible through the Service menu, the diagnostic mode allows manual activation and override of the SKH4. It’s possible to activate each stage without any demand to the pump. This allows for inspection, purging the air out of the line and validation of operation of a particular stage. -
Page 56: Servicing And Maintenance
Damage to the other parts of the SKH4 system are most often caused by particles or debris in the water. Ensure constant quality of water supplied to the unit. Inspection of parts of the pump unit and of the network of distribution is necessary to ensure the proper function of the system and to prevent leakage. -
Page 57: Preventive Maintenance (Continued)
Removal of the pump to inspect the parts and replacing the O-ring is necessary to ensure the life of the pump. A replacement seal kit is available from the Neptronic factory. Contact customer service for the kit and detailed instructions. -
Page 58: Nozzle Cleaning
Installation Instructions and User Manual Nozzle Cleaning The SKH4 nozzles will eventually get clogged by the accumulation of scale and/or particles inside the tubing, resulting in a blocked or leaking nozzle which will require cleaning or replacement of certain parts. -
Page 59: De-Scaling The Droplet Separator
SKH4 High-Pressure Atomizer Installation Instructions and User Manual De-scaling the Droplet Separator Step 1 - Preparation • Refer to the manufacturer's recommendations for concentrations to apply and the method of preparation of the solution. When using white vinegar (acetic acid), do not exceed a concentration of 250-260 ppm when descaling the media. - 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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