Direct Steam Injection Humidifier
Contents
1. DISTRIBUTOR ES STRAINER g i H locis A o N CONTROL VALVE 3 VU D I P Ie 6 6 6 6 66 66 e666 6 FTTHTSCES H I H EAD E R j SEPARATOR i m 3 4 NPT B 6668666666 666668688 86 G66 5 p F oO TEMPERATURE SENSOR 5 H e ss se oe oOeeTeoeCSTSSOSOOOOS I SS Pa r FOR SEPARATOR I 3 4 NPT O A 7 3 4 NPT L IN VENTILATION lt fel I DUCT P mM 5720 ami 7 ESCUTCHEON PLATES FLOAT AND THERMOSTATIC er STREAM TRAP Rom 3 4 NPT it ra TEMPERATURE SENSOR FOR JACKET 3 4 NPT Illustration 4 Multiple Steam Jacketed Distributors Page 4 ae FER neptro Direct Steam Injection Humidifier www neptronic com Installation Instructions and User Manual me my er ae a I Large Capacities Multiple Steam Jacketed Distributors ISOLATING VALVE ESCUTCHEON ie _ STRAINER H2. Temperature Sensor Jacket Illustration 20 Temperature Sensor Jacket Installation Stage 6 Float and Thermostatic Steam Trap Installation AN Any installation work must be carried out by suitably qualified personnel Float and Thermostat Steam Trap Installation e Install a float and thermostatic steam trap at each condensate outlet of the SKD system Do not combine return steam lines into one steam trap Steam traps can only be combined on the condensate side e The outlet of the float and thermostat steam trap should be connected to the condensate return pipe of the steam boiler system e The distance between the temperature sensor and the steam trap must be between 5 and 7 100 175 mm SEPARATOR TEMPERATURE SENSOR fall SEPARATOR p DOEN FLOAT AND O THERMOSTATIC o oH STEAM TRAP Illustration 22 Steam Trap Installation Distance from Temperature Sensor nep Direct Steam Injection Humidifier www neptronic com Installation Instructions and User Manual
3. TEMPERATURE SENSOR amp FOR JACKET FE FLOAT AND THERMOSTATIC r EE STEAM TRAP Illustration 10 Mini Rack Page 9 nep Direct Steam Injection Humidifier www neptronic com Installation Instructions and User Manual Stage 3 Control Valve Installation AN Any installation work must be carried out by suitably qualified personnel Control Valve Positioning e The body of the valve must be positioned properly to have the steam supply going into the A port and exiting from the AB port Do not refer to the orientation of the actuator head for positioning since the head can be reversed e Install the actuated valve between 20 to 30 degrees from the vertical line to reduce the radiant heat to the actuator head ELECTRIC ACTUATOR VALVE BODY Illustration 11 Control Valve Orientation and Control Valve Angle Control Valve Installation without Header Use the proper size union to connect the control valve to the steam distributor The maximum distance between the steam control valve and the dispersion tubes port should be 8 203 mm _ CONTROL VALVE 1 WITH ACTUATOR STEAM DISTRIBUTOR
4. CONTROL VALVE D JL SEPARATOR TEMPERATURE SENSOR FOR JACKET 1 3 4 NPT FLOAT AND THERMOSTATIC STEAM TRAP 3 4 NPT TEMPERATURE SENSOR HEADER FOR SEPARATOR G 3 4 NPT 3 4 NPT b o TE on TE TE F qE TE SP VENTILATION DUCT STEAM JACKETED
5. Illustration 12 Control Valve Connection to Steam Distributor without Header Control Valve Installation with Header Connect the steam control valve to the steam header by using a length of treaded pipe of the proper dimension The connection between those must not exceed 8 203 mm and the steam control valve port must be aligned with the header inlet port STEAM HEADER TO STEAM DISTRIBUTOR N 4 i CONTROL VALVE WITH ACTUATOR Illustration 13 Control Valve Connection with Header Page 10 nep Direct Steam Injection Humidifier www neptronic com Installation Instructions and User Manual Stage 4 Steam Separator Installation AN Any installation work must be carried out by suitably qualified personnel Steam Separator Positioning The steam separator must be installed so that the steam inlet is always on top The steam inlet and the condensate outlet must be vertical STEAM INLET MUST ALWAYS BEONTOP STEAM OUTLET CONDENSATE OUTLET MUST ALWAYS BE ON THE BOTTOM Illustration 14 Separator Proper Installation STEAM OUTLET CONDENSATE OUTLET ye INLET Illustration 15 Separator Incorrect Installation Steam Separator Installation Position the steam separator so that the steam inlet is always located on the t
6. Isolating Valve Ventilation Duct Q 7 Strainer A Al BL ce 6 6 6 6 6 lt 45 IN Pa A Steam Jacketed p Distributor ff JR FLA IL f x 7 Separator Escutcheon Plate Temperature Sensor for Separator Float and Thermostatic Steam trap ui rene ol I lo wy i O Q Illustration 25 Single Steam Distributor Tube Configuration ISOLATING VALVE f STRAINER E x H ESCUTCHEON PLATE _ CONTROL VALVE D F _ SEPARATOR 3 4 NPT TEMPERATURE SENSOR i FOR SEPARATOR O p HEADER gt 9 4 NPT 3 4 NPT x VENTILATION DUCT STEAM JACKET DISTRIBUTOR WITH HEADER SINGLE PART NA FLOAT AND THERMOSTATIC STEAM TRAP 3 4 NPT TEMPERATURE SENSOR FOR JACKET 1 3 4 NPT
7. SEPARATOR TEMPERATURE SENSOR ra FOR SEPARATOR VENTILATION DUCT STEAM JACKET DISTRIBUTOR AND HEADER SINGLE PART TEMPERATURE SENSOR tiie FOR JACKET i FLOAT AND THERMOSTATIC T STEAM TRAP Illustration 3 Mini Rack Page 3 neptronic Direct Steam Injection Humidifier www neptronic com Installation Instructions and User Manual Multiple Steam Jacketed Distributors ISOLATING VALVE E 3 STEAM JACKET
8. Separator Condensate Outlet Steam Jacket Distributor Outlet Steam Header i Condensate Outlet Float and Thermostatic Steamtrap Header Steamtrap Illustration 23 Steam Trap Installation Multiple Steam Distributors The header steam trap refer to Illustration 23 Steam Trap Installation Multiple Steam Distributors must be connected to the drain since there is no pressure upstream of the steam control valve to push the condensate back to the boiler Therefore normal draining design applies on the condensate side of the header steam trap slope to evacuate the condensate and a P trap 6 or 152 mm to avoid the steam vapor coming from the drain All other steam traps can be connected to the condensate return line Stage 7 Isolating Valve Installation AN Any installation work must be carried out by suitably qualified personnel Isolating Valve Positioning The valve body must be positioned properly to have the steam supply g
9. Ventilation Duct Stage 5 Temperature P Sensor for a oG na Separator Stage 9 TAN SN ee T Stage 6 J f 7 Float and Thermostatic Steam Trap Stage 5 Temperature Sensor for Jacket Illustration 6 Installation Stages Page 7 nep Direct Steam Injection Humidifier www neptronic com Installation Instructions and User Manual Stage 1 Steam Jacketed Distributor Installation General Considerations AN Any installation work must be carried out by suitably qualified personnel Consider the following points before deciding the location for the SKD steam distribution system Plan a location that is easy to access and permits an easy inspection and servicing of the humidifier Do not install the humidifier where failure of the appliance could cause damage to the building structure or to other expensive equipment Verify that the construction of the duct or AHU wall is suitable to support the steam distributors through the duration of the installation life Positioning the Steam Distributors The steam distributors must be installed to ensure that the visible steam trail is kept to the shortes
10. ccccccssscccccessececeesecceeeeseceeseueceseeneceeeeees 15 Illustration 26 MiniRack and Multiple Steam Distributors CONFIGUratiONS ccccccecssscceceeeseceeseeeceeeeees 15 Illustration 27 ESC Wiring Diagram cccccescccsssecccseccceseeceenceceusececeececeneeseeceseuaecessneceseeeeaeucessugecensneeees 16 Page lil nep Direct Steam Injection Humidifier www neptronic com Installation Instructions and User Manual Contents Technical Specifications rrrrrrnnrrnnnrrnnnnnnnnnnsrnnnrrnnnnnnnsnsssnnnnrnnnnnensssnnnvrrnnnnnseesssnnnrnnnnnseneasssnnnsnnnnnnsasssnnnnnsnnnnne dl Fold TN 1 ENN 3 Single SteamJacketed BTS ee Ve EE EE i EEEN 3 MOR I senses cess E E aioasase ieaysucnantaanaeacaebeaeteseesaceeuas eters eeseny a anonen arene aemeanes 3 Multiple Steam Jacketed DiStriDUtOrs ccccccsssccccsececseccescccescceceececeeesseceseueceeceeeeeeneesseeesageceeseness 4 Large Capacities Multiple Steam Jacketed Distributors rrrrnrnnnnnrnnunrnnnnrnnnnrnrnnrnnnnnnnnnrnnnnennnnnnnnsnnnnsnenene 5 gele WINS and PACKIN EEE NE tulcenoadiarenasteseostenedeuctteumuseeoete 6 EEE de OE LEE EEE EEE NE EE 7 Installation Method Ape 0 EEE 7 Stage 1 Steam Jacketed Distributor Installation rrrrurnnnnrnnnnrrnnnrrnnnrnnnnrnnnnrnnnnennnnennnnennnnnnnnsnnnnnsenene 8 Stage 2 Steam Header Installation rrrrrnrarrnnnrrnnnnrnnnnrnnnnrnnnnnnnnnennnnrnnnnnnnnnnnnnnnnnnnnnnnnnnnnennnnnnnnnennnnsnenn 9 Stage 3 Con
11. FLOAT AND THERMOSTATIC TEAM TRAP 3 4 NPT Illustration 26 MiniRack and Multiple Steam Distributors Configurations Page 15 nep Direct Steam Injection Humidifier www neptronic com Installation Instructions and User Manual Stage 9 ESC Device Electrical Supply and Control Connections AN Any installation work must be carried out by suitably qualified personnel Electrical Connection e Position the ESC device in a safe cool and dry place e Refer to the ESC Electronic Steam Controller manual and Illustration 27 ESC Wiring Diagram to connect all the components to the ESC e Make all the electrical connections required on the ESC i Interlock B LEGEND S Separator J Jacket NO Normally Open NC Normally Close High Limit digital g 0 Common m or NO 24 Vac Digital Input g N PD Switch On Off Humidity Demand On Off NO Steam Control Valve Actuator AM060 ESC A TO3 Actuator AT060 ESC Isolating Valve COM Common 1 TO2 Er 24 Vac 7 1 Common 6 COM Lue 6 Common 2 Not used Control Signal 3 Control Valve Signal TO1 Isolating Valve Signal i I Sianal Not used 4 Common g g 3 Control Signa N ga 24VAC ur 24 Vac 2 4 24 Vac Not used 5 e External Demand Setpoint N Room Humidity Sensor 1 Steam on Relay Status olagL s ndu Bojeuy High Limit
12. NIEN DISTRIBUTOR diel FLOAT AND THERMOSTATIC STEAM TRAP 3 4 NPT TEMPERATURE SENSOR FOR JACKET 2 3 4 NPT Illustration 5 Multiple Steam Jacketed Distributors for Large Capacities Page 5 neptronic Direct Steam Injection Humidifier www neptronic com Installation Instructions and User Manual Handling and Packing 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 amp Safety representative and effective control measures are in place lt is the customer s responsibility to ensure that the operators are trained in handling heavy goods and to enforce the relevant lifting regulations The Direct Steam Injection Humidifier MUST always be handled and lifted with care and should remain in its original packaging for as long as possible prior to installation The Direct Steam Injection Humidifier package may be carried using a forklift from the underside Caution should be exercised to ensure balanced load before lifting Unpacking The Direct Steam Injection Humidifier is shipped inside carton boxes or in a wooden crate Remove packing and skids prior to commissioning Page 6 neptronic Direct Steam Injection Humidifier www neptronic com Installation Instructions and Us
13. Humidity Sensor Alarm Relay HAL Temperature Sensor Separator Temperature Sensor Jacket 1 J2 Temperature Sensor Jacket 2 Common Temperature Sensor Jacket 3 J3 J4 Temperature Sensor Jacket 4 Common Temperature Sensor Jacket 5 J5 w Network available only on ESCB or ESCD io s ndu J0suas ainjesodway eral Illustration 27 ESC Wiring Diagram Page 16 neptronic Direct Steam Injection Humidifier www neptronic com Installation Instructions and User Manual Initial Verification A Any installation work must be carried out by suitably qualified personnel Installation e Ensure that the humidifier is installed properly according to the installation manual e Check that steam distributors are properly installed into the ventilation duct e Ensure that there is no leakage on the SKD piping Electrical e Confirm that 24Vac is present between tab 1 amp 4 of terminal block TB5 on the ESC Controller Drain if needed MiniRack or Multitubes configurations only e If there is a steam trap on the header confirm that the drain piping is properly connected with a pitch of least 4 1 5 mm per 40 1m There is no header on the single tube configuration and therefore there is no steam trap on the header Steam Supply e If there is a steam trap on the header confirm that the drain piping is properly connected with a pitch of least 4 1 5
14. ada 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
15. by suitably qualified personnel Temperature Sensor Installation General e One temperature sensor shall be installed downstream of the condensate outlet of the steam separator e The SKD system will require at least one and up to five temperature sensors start up traps depending on the number of steam traps required on the system SEPARATOR TEMPERATURE SENSOR pe Illustration 19 Temperature Sensor Separator Installation e SKD Mini Rack and Multiple steam distributors series will require at least one additional temperature sensor to be installed at the outlet of the steam jacket distributor Depending on the total steam distributor length and number the humidifier might require up to 5 temperature sensors on the steam jacket distributors The system requires 1 temperature sensor for each 50 linear feet 15m of steam distributors Page 12 nep www neptronic com Steam Jacket Distributor Outlet Direct Steam Injection Humidifier Installation Instructions and User Manual __ Separator __ Condensate Outlet _ Temperature Sensor Separator
16. ct Steam Injection Humidifier e Steam Jacketed Distributor The stainless steel jacketed manifold allows pressurized steam to circulate around the inner distribution tube heating the surface and reducing condensation e Separator The stainless steel construction of the separator is a proven internal configuration which limits the drop in pressure while providing efficient steam condensate separation and also supplying hot and dry steam to the control valve e Control and Isolating Valves Normally closed globe valve with equal percentage flow characteristics control the flow of steam Bronze body and brass trim stainless steel trim optional The linear electric actuator is equipped with a heat shield e Electronic Steam Controller ESC The Direct Steam Injection Humidifier comes with a microprocessor based ESC with backlit LCD display that allows programming of the humidity set points and monitoring parameters such as actual humidity air flow switch interlock and temperature sensors e Strainer The strainer strains foreign matter from pipelines and provides protection to the components of the steam humidifier e Temperature Sensor RTD temperature sensor integrated in a brass thermowell e Float and Thermostatic Steam Trap Float and thermostat design with universal four port design all stainless steel internal components e Steam Header A steam header is supplied on multiple tube configurations for an even distribution o
17. ee for products or components sold but not manufactured by Neptronic is only given to the same extent as given to Neptronic however not exceeding the normal Neptronic warranty Parts used for repairs are warranted for the balance of the term of the warranty on the original humidifier or 90 days whichever is longer e Any repairs made at the Neptronic facilities after the original warranty period are warranted for 1 month from the date of repair Special agreement on components under warranty e For certain defected components under warranty based on valid reasons the purchaser has two options 1 Send back immediately the defective component s for inspection and the purchaser is responsible for freight to Neptronic The full purchase price will be credited once the defective component s is received and the manufacturing defect is found upon inspection by Neptronic OR 2 Replacements will be sent without requiring returning of the defective component s standard ground freight paid by Neptronic at zero value invoice Although the purchaser must hold defective component s for a period of 12 months whereas Neptronic reserves the right to claim the defective component s back for inspection at any time If the claim is found to be out of warranty coverage upon inspection by Neptronic the replacement parts sent free of charges will be then charged to the purchaser Page 19 nep 400 Lebeau blvd Montreal Qc HAN 1R6 Can
18. er Manual Installation Overview A All installation work must comply with local regulations All work related to the installation of the Direct Steam Injection Humidifier MUST only be performed by skilled and qualified technical personnel such as plumbers or technicians with appropriate training The customer is responsible for ensuring their suitability For the installation of the Direct Steam Injection Humidifier and associated components there are no specific tooling requirements Installation Method Statement Stage 1 Steam Jacketed Distributor Installation Stage 2 Steam Header Installation Stage 3 Control Valve Installation Stage 4 Steam Separator Installation Stage 5 Temperature Sensor Installation Stage 6 Float and Thermostatic Steam Trap Installation Stage 7 Isolating Valve Installation Stage 8 Y Strainer Installation Stage 9 ESC Device Electrical Supply and Control Connections Stage 1 Steam Jacket Distributor Stage 7 Stage 8 and Header Single Part Isolating Valve Strainer Stage 2 Escutcheon Plates W Steam Header if Stage 3 Control Valve Stage 4 Separator
19. f steam into the airstream Page 1 nep Direct Steam Injection Humidifier www neptronic com Installation Instructions and User Manual ISOLATING VALVE VENTILATION DUCT N N STRAINER STEAM JACKETED _ DISTRIBUTOR CONTROL VALVE SEPARATOR y TEMPERATURE SENSOR a FOR SEPARATOR x S Z 7 S F P ESCUTCHEON PLATES FLOAT AND THERMOSTATIC STEAM TRAP FOR JACKET 1 Illustration 1 Multiple Stea
20. ic com Installation Instructions and User Manual Technical Specifications Product Description The SKD Direct Steam Injection Humidifier maintains the desired humidity set point by using raw steam from a steam boiler as a source of humidity The SKD s unique engineering ensures the following e There is no undesired energy consumption when there is no humidity demand e There will be no water drop ejection on cold start up e The humidifier always functions properly by constantly monitoring the temperature The SKD is controlled by a specially designed Electronic Steam Controller ESC that monitors and controls the demand and steam temperature The controller takes care of the humidifier s controlling isolating and steam control valve operations This is done using temperature sensors readings and the special steam control valve opening sequence The ESC also simplifies the diagnostics process and is a plug and play configuration for direct steam humidification The SKD Direct Steam Injection Humidifier comes in three configurations the SKD Single Tube the SKD Multi Tubes and the SKD MiniRack The choice of the configuration is driven by the combination of the humidifier capacity and the required maximum absorption distance The design can be selected using the Humidisoft software The Direct Steam Injection Humidifier combines certain unique features making it one of the most efficient humidifiers The following are the features of Dire
21. igures Illustration 1 Multiple Steam Jacketed Distributors rrrarrrrranrrnnannrrnnnnrrrnnernnnnernnnnnrrnnnsrnrnnernnnnsrnnnnsernnnseesne 2 Illustration 2 Single Steam Jacketed Distributor rrrrarrrnnnnnrnrnnnrnrnnernrnnernnnnnrrnnnsrnnnnsvnnnnsrnnnnnsennuseennnssene 3 MTT 3 Illustration 4 Multiple Steam Jacketed Distributors rrrarrrrnarrrnnnrrrnnnnnrnnnnernnnnernnnnnrnnnnernnnnsrnnnnsrnnnneennnnseennn 4 Illustration 5 Multiple Steam Jacketed Distributors for Large Capacities rrrrnnrnnrrrnnnnnnrrnnnnnrrrnnnnsrrnnnnnene 5 Illustration 6 Installation Stages sce siscoivcivacdvacessacewassuddvatinddxantasaneavisaracernne dewsebsievasctsennteriaesdenritedonpitesisseuacdeoss 7 Illustration 7 Manifold Installation rrrrronnrrrnnnnnrrrnrnnnrrnnnnnrrnnnnnnerrnnnnnernnnnnernnnnnsnennnnnnennnnnnennnnnsnsennnnsesenene 8 Illustration 8 End Mounting Bracket and Escutcheon Plate cccccccssececesececeneceeeceeeesceeseeeceseeecenseeeeens 8 Nustr on g Steam Header wth UNION svarar i iaa i 9 MENN 9 Illustration 11 Control Valve Orientation and Control Valve Angle cccccsssccccssececseceeeseeeeeseeeeeeeeeees 10 Illustration 12 Control Valve Connection to Steam Distributor without Header rrrrrnnrrrrnnrrnnnnrvrnnnsrrnen 10 Illustration 13 Control Valve Connection with Header rrrranrnnnnnrnnnnnrrnnnnernnnnernnnnernnnnnrnnnnsrnnnnsrnnnnsnnnnneene 10 Illustration 14 Separator Proper Installa
22. m Jacketed Distributors Page 2 neptronic Direct Steam Injection Humidifier www neptronic com Installation Instructions and User Manual Configuration The following configurations are available for the Direct Steam Injection Humidifier Single Steam Jacketed Distributor ISOLAT ING VALVE oo MT STRAINER N H pr pg A a I a Aq C ie CONTROL VALVE D LLL SS S S T nen m D L F ZN l E lg p A i P F S NS R P ESCUTCHEUN PLATES FLOAT AND THERMOSTATIC STEAM TRAP B 374 NPT Illustration 2 Single Steam Jacketed Distributor Mini Rack ISOLATING VALVES _ STRAINER ESCUTCHEON PLATES EG f _7 CONTROL VALVE
23. m distributors e Use proper size union to connect the steam header to the steam distributors Refer to Illustration 10 Mini Rack e The distance between the header and the steam distributor s inlet port must not exceed 8 203 mm and both header and steam distributor ports must be aligned no elbows can be used to pipe the connection e Mini rack model the connections between the steam header and the steam jacketed distributors are assembled at the factory The steam distributors and the header assembly come as separate single parts 8 203 mm Max Steam Dispersion _ Tube Illustration 9 Steam Header with Union ISOLATING VALVES STRAINER ESCUTCHEON PLATES CONTROL VALVE SEPARATOR TEMPERATURE SENSOR FOR SEPARATOR a V p VENTILATION DUCT r l tO Q STEAM JACKET fey D DISTRIBUTOR AND HEADER SINGLE PART
24. mm per 40 1m There is no header on the single tube configuration and therefore there is no steam trap on the header Controls e Ensure that a high limit duct humidistat is installed properly connected to the ESC and the set point is properly adjusted e Verify that the room humidistat or returned air duct humidistat is installed properly connected to the ESC and the set point is properly adjusted e Turn on the power at the disconnect switch e Confirm the control set up of the humidifier The humidifier is factory set with EXTERNAL control set up which means that the humidity demand is controlled by the room or duct humidistat e Ensure that the type of signal 0 10 Vdc 2 10 Vdc or 4 20 mA of the humidistat corresponds to the type set in the humidifier control set up Page 17 neptronic Direct Steam Injection Humidifier www neptronic com Installation Instructions and User Manual Start Up Procedure Start up Proceed to start up the humidifier as follows Make sure that the steam is supplied to the SKD Switch on the ESC Make sure that there is no alarm If the A6 alarm stays on it means that the steam does not reach the separator or there is a problem with evacuating the condensate from the separator steam trap Wait for a call for humidity or create it by setting the ESC control mode to ON set 14 and the External humidity set point to OFF set 18 Then adjust the set point to a higher value than the
25. ndustry HVAC Neptronic products which include humidifiers electric heaters as well as electronic damper actuators actuated valves and control products are designed manufactured and assembled by over 200 dedicated employees at its 7 500 m 80 000 sa state of the art facility located in Montreal Canada Neptronic currently holds several national and international patents and with its continued emphasis on research and development Neptronic ensures innovative technologies to the ever evolving challenges of our industry Neptronic has an exclusive distribution network around the globe that provides comprehensive solutions to our customers and meets a worldwide demand that spans 5 continents Electricity All work concerned with electrical installation MUST only be performed by skilled and qualified technical personnel such as an electrician or a technician with appropriate training The customer is always responsible for ensuring the suitability of the technical personnel 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 il nep Direct Steam Injection Humidifier www neptronic com Installation Instructions and User Manual List of F
26. neptronic Direct Steam Injection Humidifier SKD Series Installation Instructions and User Manual nep Direct Steam Injection Humidifier www neptronic com Installation Instructions and User Manual Foreword and Safety Instructions About the Manual These installation and operation instructions have been developed to facilitate the installation of the Direct Steam Injection Humidifier e The strict application of these instructions will ensure the conformity of your installation and operation as per the manufacturer s recommendations e The application of these instructions is one of the conditions for the application of the warranty e The application of these instructions does not ensure at any time conformity to procedures regulation or local codes regarding electric installation and connection to local water supply This product has been declared to conform to the applicable Canadian and American safety standards and directives and bear the CSA c amp us mark The Certificate of Conformity CSA is available upon request with the manufacturer 20120 All rights reserved This document cannot be reproduced totally or partially by any means whether electronic mechanical photocopy recording or other without prior written authorization of Neptronic Company Overview Neptronic is a private corporation founded in 1976 that designs manufactures and distributes products for the Heating Ventilation and Air Conditioning i
27. oing into the A port and exiting from the AB port Do not refer to the orientation of the actuator head for positioning since the head can be reversed Install the actuated valve between 20 to 30 degrees from the vertical line to reduce the heat transfer to the actuator head 7 ELECTRIC ACTUATOR VALVE BODY FLOW DIRECTION Illustration 24 Control Valve Orientation and Control Valve Angle Page 14 nep Direct Steam Injection Humidifier www neptronic com Installation Instructions and User Manual Stage 8 Y Strainer Installation AN Any installation work must be carried out by suitably qualified personnel Strainer Positioning e The strainer must be installed upstream the separator and the isolating valve for any SKD configuration e On the single steam distributor install the strainer before installing the isolating valve e On Mini Rack and Multiple steam distributors configuration install the strainer before the steam line splits between the separator and the isolating valve
28. ons The warranty covers faulty manufacture design and or defective materials and is limited to the equipment and components The warranty shall cease to be valid in the event of misapplication incorrect installation improper maintenance or any other incorrect uses or misuse of the product For the SK Series the warranty furthermore ceases to be valid if the user disconnects or removes any electronic or mechanical components prior disconnecting the input power Neptronic assumes no responsibility for repairs made on equipment unless performed by Neptronic s authorized personnel All defective product or component under warranty must have a valid Return Material Authorization RMA number issued prior to be processed To request an RMA number purchaser must provide the model number and serial number date code of humidifier and certain components such as sensor and PC board etc Neptronic agrees under the warranty to repair or replace at the discretion of Neptronic such standard products or components which on examination by Neptronic are found to be defective Product or component replaced or repaired under warranty will be sent back to the purchaser standard ground freight paid by Neptronic Direct Steam Injection Humidifier Installation Instructions and User Manual General Conditions of Sales and Warranty e Expenses in connection with travelling time dismantling and mounting shall not be paid by Neptronic Guarant
29. op The separator steam outlet port must be aligned with the steam control valve inlet port and the distance between the two must not exceed 8 203 mm Use the proper size of threaded pipe to connect the steam separator to the control valve Reducing coupling might be needed to perform the installation between the separator and the steam control valve Steam header Control valve with actuator Steam inlet Separator Condensate outlet 8 203 mm Maximum Illustration 16 Separator Connection to Control Valve Steam Separator Installation with Single Tube Position the steam separator so that the steam inlet is always located on the top The steam separator must be connected to the outlet of the jacketed distribution tube and must be positioned below the tube to avoid a build up of condensate in any area in the piping Page 11 nep Direct Steam Injection Humidifier www neptronic com Installation Instructions and User Manual DISTRIBUTOR a CONTROL VALVE N WITH ACTUATOR SEPARATOR Illustration 18 Single Steam Distributor Separator Incorrect Installation Stage 5 Temperature Sensor Installation A Any installation work must be carried out
30. room humidity reading operation mode B Set the ESC econo mode to ON o The isolating valve will open within 30 seconds If not check for alarms no air flow enable disable off If there is no alarm there is no humidity demand Make sure there is a demand and redo start up procedure d o After the isolating valve opens the temperature of the jacket will increase Within 30 seconds the temperature of the jacket should be higher than 212F 100C The temperature is displayed on the ESC LCD o Once the temperature is high enough the control valve will open slowly o The start up is completed and the humidifier is now functional Safety Test Check for steam or condensate leakage while the humidifier is in operation Reset the Set Point and Control Mode End If the humidity set point is controlled by the ESC reset the set point to the desired relative humidity set 20 as suits the room If the humidity set point is controlled by another device than the ESC set the internal control signal to OFF The humidifier is ready for normal operation Page 18 nep www neptronic com General warranty policy Provided that the terms of payment are observed the purchaser is offered a warranty of 24 months from the original purchase date of delivery for any Neptronic Humidifier SK300 SKR SKE SKS SKD and SKG Series provided the equipment has been properly installed and operated in accordance with Neptronic instructi
31. t possible length Locate the steam distributors far enough from elbow or fan to be in laminar air flow to ensure proper evaporation distance There must be sufficient straight duct downstream from the steam distributors for absorption of the steam Steam Jacketed Distributors Escutcheon plate 5 ET End mounting plate Illustration 7 Manifold Installation For single steam distributor application position the steam distributor in the middle of the duct For multiple steam distributors position the steam distributors so that the distance between them is the same Use proper size unions to connect the Jacket of each steam distributor together For mini rack models position the system evenly so that the spacing between the top distributors and the duct AHU is the same as the bottom distributors and the duct AHU Use metal screws to mount the escutcheon plate to the wall of the duct or AHU Secure the end of the steam distributor with 3 8 19 5 mm rods either vertically or horizontally Illustration 8 End Mounting Bracket and Escutcheon Plate Page 8 nep j Direct Steam Injection Humidifier www neptronic com Installation Instructions and User Manual Stage 2 Steam Header Installation AN Any installation work must be carried out by suitably qualified personnel Steam Header Installation with Multiple steam distributors only e Align the outlets of the steam header with the steam inlet of each stea
32. tion rrrrarrrnnanrrrnnnnrrrnnnrnrnnrrnnnnerrrnnnernnnnrnrnnernnnnnennnusennnnseennneene 11 Illustration 15 Separator Incorrect Installation ranrnnnnorrnnnnrrrnnrrnrnnrrnrnnernnnnsrrnnnnrnrnnernnnnernnnneennnnseennneene 11 Illustration 16 Separator Connection to Control Valve rrrrrannrnnnnrrnnnnrrnnnnernnnnernnnnernnnnsrnnnnernnnnsrnnnnsnnnnneene 11 Illustration 17 Single Steam Distributor Separator Correct Installation rrrarrrrnnrrrrnnnrrrrnnrrnnnnrrnnnnernnnn 12 Illustration 18 Single Steam Distributor Separator Incorrect Installation rarrrnrarrrnnnnrrrrnnrrnnnnrrnnnnsrnnne 12 Illustration 19 Temperature Sensor Separator Installation ccccecccsssceccsececesececeseceeeesceeaeeceseeceeeeeees 12 Illustration 20 Temperature Sensor Jacket Installation ccccccsseccccescecesececenececenecceeencesaeeceseuecessseeees 13 Illustration 21 Separator Steam Trap Installation cccccsccccsssecccsseceeesceceeececeeeeceeeeeeseeeesenceesenecenseeees 13 Illustration 22 Steam Trap Installation Distance from Temperature SQNSOP ccccccsssececeeeseeeeeeeeeeeeeees 13 Illustration 23 Steam Trap Installation Multiple Steam Distributors rrarrrrrarrrnnnnrrnrnnrrrnnnrrnnnnernnnnsennne 14 Illustration 24 Control Valve Orientation and Control Valve Angle cccccssscccessecceeseceeeseeeeesceeseneeeeees 14 Illustration 25 Single Steam Distributor Tube Configuration
33. trol Valve Installation sais niciercenccedadtaincadsacedeanceadsdossnadtantancesduancancadbaadioubinaddeataiadesuaGancaaeaces 10 Stage 4 Steam Separator Installation ccccccessccccssecccsscccesececensececenceeeesceeeeeceseuseeesencessueceseuesensens 11 Stage 5 Temperature Sensor Installation ccccccecccsecccsececsececseceenececeecseeeeeneeeeuceeeneetenseeeuseegeseees 12 Stage 6 Float and Thermostatic Steam Trap Installation cccccesccccssscccesececeseceeeseceeaeeceseneeeneness 13 Stage 7 Isolating Valve Installation cccccccccsssecceesecceseecescecseseceeenceeaesceseuecesseneeseeeetsescesseeceesens 14 ENN 15 Stage 9 ESC Device Electrical Supply and Control Connections rrrrrnrarrrnnanrrnnnnnrnnnnernnnnernnnssennneee 16 Tale ee et 0 EEE EE EEE EE EEE EEE EEE EEE 17 Ta se E io EE EEE EE EEE 17 BE VC IMG REE EEE EE EE EE EE 17 Drain if needed MiniRack or Multitubes configurations Only rrrrronrrrnrnnrrrnnnnnnrrrnrnnrrrnrnnnerennnnnerrnrnneee 17 ENN 17 ENN 17 TUPP NN 18 NNN 18 NTN ac secs wasn peteas E T 18 Reset the Set Point and Control Mode srrrrnnrnnnnnrrnnnrnnnnnernnvnnnnesnnnvnnnnnsernnvnnnnsennnnnnnnnssnnnvnnnnsennnnnnnnssennne 18 gt JE EE EE EE EE secede 18 General Conditions OF Sales and Warranty seasciccesnstanecsvcnsndoasaswecessiunesdnavandusennedsuusteceedsmnaidavenaesniawesdeacace dees 19 Page iv nep Direct Steam Injection Humidifier www neptron
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