Jacketed Tube Manual (SKD-J)
Contents
1. ISOLATING VALVE TIBUS x d HEADER VENTILATION DUCT N N Al CONTROL VALVE H H B T Fa SEPARATOR B 9 ra H r1 STEAM JACKETED L H DISTRIBUTOR i TEMPERATURE SENSOR EN FOR SEPARATOR H g H _ FLOAT AND THERMOSTATIC H STEAM TRAP Ti e 5 fH Edi E P d 0 E ESCUTCHEON PLATES Ls 5 EE c RE EVAPORATOR 25 a TEMPERATURE SENSOR p FOR2. EDIT DUCT ESCUTCHEONPLATES VENTILATION TEMPERATURE SENSOR FOR JACKET 3 4 NPT E E L dr dy SEI HEADER G foo a x L AE 7 y 3 4 4 l T i ii M oI FLOAT AND THERMOSTATIC STREAM TRAP 3 4 NPT www neptronic com Illustration 4 Multi Tube Page 5 neptronic Direct Steam Injection Humidifier Installation Instructions and User Manual Multi Tube with External Re Evaporator
3. Separator Condensate Outlet Steam Jacket Distributor Outlet Steam Header f Condensate Outlet Float and Thermostatic Steamtrap Header Steamtrap Illustration 27 Steam Trap Installation Mini Rack and Multi Tube For Mini Rack and Multi Tube applications connect the header steam trap refer to lustration 27 Steam Trap Installation Mini Rack and Multi Tube 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
4. h o O O O O O O O O O O O O O O O i LL 7 j 2 VENTILATION DUCT 7 STEAM JACKET 19 DISTRIBUTOR AND HEADER SINGLE PART TEMPERATURE SENSOR lc FOR JACKET je FLOAT AND THERMOSTATIC m STEAM TRAP Illustration 11 Mini Rack www neptronic com Page 11 Installation Instructions and User Manual Stage 3 Control Valve Installation N Any installation work must be carried out by suitably qualified personnel Control Valve Positioning 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 hea
5. Configurations The following configurations are available for Direct Steam Injection Humidifier Jacketed Single Tube ISULA LIN G VALVE VENTILATIUN TER DT 7 STRAINER N we p yd CONTROL VALVE TZ D Lo ih 7 J ES 3 4 TEMPERATURE SENSOR SEPARATOR 3 4 NPT SCUTCHEUN PLATES FLUAT AND THERMOSTATIC x STEAM TRAP 3 4 NPT Illustration 1 Jacketed Single Tube Page 3 www neptronic com Direct Steam Injection Humidifier Installation Instructions and User Manual neptronic m m Mini Rack ISOLATING MEN E STRAINER CONTROL VALVE SEPARATOR TEMPERATURE SENSOR FOR SEPARATOR VENTILATION DUCT
6. A 36 CO AGE ONS 36 Star 37 signi c 37 FO We NER 37 Reset the Set Point and Control 37 37 General Conditions of Sales and 38 Morello rc HH 38 Special agreement on components under warranty secccssecccessccccscccesceceececeeseceseneeesenceesuecesseneceneness 38 ISl ERNEUT oats ces 39 www neptronic com Page iii Installation Instructions and User Manual ME neptronic Direct Steam Injection Humidifier Technical Specifications Product Description The Direct Steam Injection Humidifier injects and disperses atmospheric or low pressure steam into a building s air supply system to attain and maintain the desired humidity level It uses steam from an in house boiler to humidify the air The Direct Steam Injection Humidifier is controlled by an Electronic Steam Controller SKDESC J that has been specifically designed to control and operate the humidifier It comes with user friendly features such as easy start up and diagnostics large LCD display simple configuration options and factory configured settings It controls the sequ
7. al M3 LE PART a Illustration 24 Temperature Sensor Installation for Re Evaporator Stage 7 Float and Thermostatic Steam Trap Installation A 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 Direct Steam Injection Humidifier 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 7 gEPARATOR TEMPERATURE SENSOR M SEPARATOR TEE E FLOAT AND THERMOSTATIC STEAM TRAP Illustration 25 Separator Steam Trap Installation www neptronic com Page 17 neptronic Direct Steam Injection Humidifier Installation Instructions and User Manual
8. 17 Illustration 26 Steam Trap Installation Distance from Temperature 18 Illustration 27 Steam Trap Installation Mini Rack and Multi Tube 18 Illustration 28 Float and Thermostat Steam Trap Installation for 19 Illustration 29 Control Valve Orientation and Control Valve 19 Illustration 0 Jacketed nn 20 Illustration 31 Mini Rack and 5 955 DEus pO Pavese demi tastes 21 www neptronic com Page ii neptronic Direct Steam Injection Humidifier Installation Instructions and User Manual Contents Technical 1 Prodat De CHUO eo te nee en ee ee eee ee ee ere 1 CO qui AGING a m 3 3 MIDER aI EN 4 Mini Rack with External 4 RCE 5 Multi Tube with External 8 6 MU TODE 7 AIR o m 8 OI VC TR 9 I
9. FLOAT AND THERMOSTATIC STEAM TRAP 3 4 NPT TEMPERATURE SENSOR HEADER FOR SEPARATOR G 8 4 NPT 3 4 NPT VENTILATION DUCT STEAM JACKETED DISTRIBUTOR FLOAT AND THERMOSTATIC STEAM TRAP 3 4 NPT TEMPERATURE SENSOR FOR JACKET 2 3 4 NPT Illustration 6 Multi Tube for Large Capacities Note This configuration is also available with re evaporator option www neptronic com Page 7 ne ptronic Direct Steam Injection Humidifier Installation Instructions and User Manual Handling and Packing Handling and Lifting A 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
10. Programming Mode Press to enter edit mode Setting a Description Scroll or change m gt value when edit mode Setting Value e Press to exit To enter the Programming Mode perform the following steps 1 Press to start and enter password see Step 1 enter passwrd 2 Use the arrows buttons or V to navigate the menu 3 Press to enter edit mode of the displayed value 4 Once edit mode use the arrows buttons or V to change values Changed values are automatically saved Press to exit edit mode of the displayed value 6 Return to step 2 or press to exit the mode Auto exits if no actions are taken after 5 minutes e L ENTER PRSSURD Value 637 Enter the password within 1 minute After entering the correct password press to proceed If you enter the wrong password the controller returns to the normal operation mode and you have to repeat this step 2 LANGUAG Default ENG English Range ENG English Select the desired language 3 METRIC DISPLAY UNITS Default ON Range ON metric units kg H2O Hr OFF imperial units F lbs H2O Hr Select the desired measurement system www neptronic com Page 24 neptronic Direct Steam Injection Humidifier Installation Instructions and User Manual ECONO NODE Default OFF econo mode deactivated Range ON econo mode activated OFF econo mode deactiva
11. STEAM JACKET DISTRIBUTOR AND HEADER SINGLE PART 05 TEMPERATURE SENSOR A FOR JACKET FLOAT AND THERMOSTATIC wee STEAM TRAP Illustration 2 Mini Rack Mini Rack with External Re Evaporator ISOLATING VALVE VA STRAINER ESCUTCHEON PLATES E CONTROL VALVE _ Pd SEPARATOR P _ TEMPERATURE SENSOR s FOR SEPARATOR mam pa 5 FLOAT AND THERMOSTAT
12. This option appears only if the number of temperature switches is greater than 4 Adjust the temperature reading by using the offset www neptronic com Page 25 Installation Instructions and User Manual REEPRP TEMPER OFFSET Default 0 D Range 10 to 10 C 18 to 18 F Increment 0 1 0 1 F This option is only available on humidifiers with the re evaporator feature Adjust the temperature reading by using the offset le CONTROL NODE Default Extern Range Intern Extern Net Select the desired control mode from the available options e is selected the humidifier is controlled by the SKDESC J e If Extern is selected the humidifier is controlled by an external signal e f Net is selected the humidifier is controlled over the network This option is available only on SKDESC JB and SKDESC JD models If you selected Intern or Net go to Step 14 network room humidty 13 DERRND SIGNAL RANGE Default 2 10 Vdc Range 0 10 Vdc 2 10 Vdc Select the desired relative humidity sensor signal 14 NETWORK ROON HUPIIDTS Default OFF Range OFF ON This option is only available on BACnet or Modbus models SKDESC JB or SKDESC JD Select ON if you want to control the humidity over the network If you selected ON go to Step 17 Externa Humidty Setpnt If you selected Intern at Step 12 Control Mode go to Step 16 Room humidty signal range 15 ROON HUMIDTY OFFSE
13. qu 45 46 91 48 Installation Instructions and User Manual neptronic Direct Steam Injection Humidifier NETWORK FALLBACK SETPOINT Default 0 0 Range 096 to 100 0 1 Increment This option appears if you ve set one of the inputs to Net at Step 12 Control Mode Set the desired network falloack setpoint NETWORK FALLBACK COUNTER Default 0 sec Range 0 to 900 sec Increment 1 sec This option appears if you ve set one of the inputs to Net at Step 12 Control Mode Set the desired network fallback counter CONTROL OUTPUT SIGNAL IN Default No default information display only Displays the control valve output in mV ISOLAT VALVE OUTPUT STATE Default No default information display only Range INACt closed ACt open Displays whether the isolating valve is open or closed ALARM RELAY OUTPUT STATE Default No default information display only Range INACt closed ACt open Displays whether the alarm relay is open or closed STER ON BUTPUT RELAY OUTPUT STATE Default No default information display only Range INACt closed ACt open Displays whether the steam output relay is open or closed SEPRRRT TEMPER INPUT SIGNAL IN Default No default information display only Displays the separator temperature sensor reading in mV JACKET TEMPER INPUT SIGNAL IN D Default No default information display
14. 3 4 NPT STEAM TRAP 3 4 NPT FLOAT AND THERMOSTATIC STEAM TRAP Illustration 31 Mini Rack and Multi Tube Q Note The above illustration is shown without the re evaporator option www neptronic com Page 21 neptronic Direct Steam Injection Humidifier Installation Instructions and User Manual Stage 10 Electronic Steam Controller SKDESC J Models SKDESC J SKDESC JB with BACnet Communication SKDESC JD with Modbus Communication Description The Electronic Steam Controller SKDESC J is made specifically for Neptronic SKD J Jacketed Humidifiers Features e Conserves energy and eliminates condensate dry operation o Manages isolating and modulating valves o Pre heats tube jackets on demand for humidity ESC Steam Controller Series Automatic temperature sensor adjustment On Off or Modulating control Selectable internal or external control Configurable proportional control band amp dead band Selectable Fahrenheit or Celsius scale BACnet or Modbus models available 24 Vac power supply by others Easy start up and troubleshooting Backlit LCD with simple icon and text driven menus Technical Specifications Description Communication BACnet Modbus 0 C to 50 C 32 F to 122 F 30 C to 50 C 22 F to 122 F 5 to 95 non condensing Dimensions 6 3 160mm 5 126 2 25 5
15. F Temperature Sensor Jacket 1 J1 T Qi 6 TS2 2 dg TS3 We Temperature Sensor Jacket 2 3 Common AIO COM Temperature Sensor Jacket 3 gt 24VAC S Q os S Temperature Sensor Jacket 4 d COM o i Temperature Sensor REEVAP OY eC Oly Interlock t High Limit digital Common e PD Switch On Off e Isolating Valve Actuator eC 060 e S Q 1 Common e 162 Common _ Q 2 Not used e LN Isolating Valve Signal e 3 Control Signal ec 24 Vac 4 24 Vac OIN eC eC c Steam on Relay Status ec eC eC Alarm Relay T eC ec 24 Vac Temperature Sensor Jackets 1 2 3 4 reevap sensor are optional depending on system configuration Step 4 Step 12 Control Mode EXTERN Step 12 Control Mode INTERN Step 17 Externa Humidty Setpnt Step 23 High limit sensor Step 23 High limit sensor www neptronic com Used for external control signal Used for external setpoint signal Used for connecting high limit sensor Digital Used for connecting high limit sensor Analog Page 23 neptronic Direct Steam Injection Humidifier Installation Instructions and User Manual oymbols used in this manual Torea
16. SIGNAL IN Default No default information display only This option does not appear if you ve selected OFF at Step 14 network room humidty Displays the relative humidity reading of the room in mV SETPNT INPUT SIGNAL IN Default No default information display only This option appears only if you ve selected ON at Step 17 Externa Humidty Setpnt Displays the setpoint reading in mV HIGH INPUT SIGNAL IN Default No default information display only This option appears only if you ve selected Analog at Step 23 High limit sensor Displays the high limit sensor reading in mV www neptronic com Page 31 Installation Instructions and User Manual neptronic Direct Steam Injection Humidifier 67 EXTERN DEMAND INPUT STATE Default No default information display only Range INACt closed ACt open This option appears only if you ve selected Extern at Step 12 Control Mode Displays if the demand is open or closed 58 FLOW INPUT STATE Default No default information display only Range INACt closed ACt open Displays if the air flow switch is open or closed 59 HIGH LIMIT SWITCH INPUT STATE w Default No default information display only Range INACt closed ACt open This option appears only if you ve selected Digital at Step 23 High limit sensor Displays if the high limit switch is open or closed 50 INTRLCK I
17. if you have selected econo mode at Step 4 econo mode Indicates that the isolation valve will be turned off after 100 hours if there is no demand SERVICE DELAY IN HR Default 1000 hours w Range 400 to 1500 hours Increment 100 hours Set the number of hours running at 100 capacity before servicing is due SERVICE RUNTINE IN HR Default No default information display only Displays the running time in hours at 100 capacity since the last service has been performed To reset this value to 0 and reset any associated alarms press the edit lt gt button and then press and hold both and V arrow keys RUNS WHILE SERVICE ALARN Default ACt active Range INACt Inactive ACt active Select ACt to enable the system to run even when the servicing is due TOTAL RUNTIME IN Default No default information display only Displays the running time in hours at 10096 capacity www neptronic com Page 28 Installation Instructions and User Manual 34 AUTO BAUD RATE Default ON 9 Range ON OFF This option is available only on BACnet or Modbus models SKDESC JB or SKDESC JD Enable or disable Auto Baud Rate detection When enabled the controller automatically configures its baud rate by detecting the network speed upon connection to the network When disabled you must manually select the baud rate go to Step 35 baud rate 35 BAUD RATE Default No defau
18. only This option appears only if the number of temperature switches is greater than 1 Displays the jacket temperature sensor reading in mV www neptronic com Page 30 49 50 5 Se 53 54 55 56 Installation Instructions and User Manual neptronic Direct Steam Injection Humidifier JHCAETO TEMPER INPUT SIGNAL IN AV D Default No default information display only This option appears only if the number of temperature switches is greater than 2 Displays the jacket temperature sensor reading in mV JACKETS TEMPER INPUT SIGNAL IN D Default No default information display only This option appears only if the number of temperature switches is greater than 3 Displays the jacket temperature sensor reading in mV JACKETY TEMPER INPUT SIGNAL IN D Default No default information display only This option appears only if the number of temperature switches is greater than 4 Displays the jacket temperature sensor reading in mV REEPRP TEMPER INPUT SIGNAL IN Av D Default No default information display only This option is only available on humidifiers with the re evaporator feature Displays the reevap temperature sensor reading in mV INPUT SIGNAL IN Default No default information display only This option appears only if you ve selected Extern at Step 12 Control Mode Displays the reading of demand in mV ROOM HUMIDITY INPUT
19. representative and effective control measures are in place It 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 www neptronic com Page 8 Installation Instructions and User Manual neptronic Direct Steam Injection Humidifier 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 only with Mini Rack an
20. 7mm www neptronic com Page 22 neptronic Wiring Direct Steam Injection Humidifier Installation Instructions and User Manual We strongly recommend that all Neptronic products be wired to a separate grounded transformer and that transformer shall service only Neptronic products This precaution will prevent interference with and or possible damage to incompatible equipment 5 Interlock Contact opening alarm and unit shutdown SKDESC J DIA 4 Hi Limit Contact opening alarm and unit shutdown 3 D 2 PD Switch Contact opening alarm and unit shutdown COM 1 Demand Contact closure Override and force 100 demand S i N 2 Dm C299 N A pn tn z Network N I INB available only on w OO COM 5 Steam Control Valve Actuator SKDESC JB or AMO60 ESC SKDESC JD OUT A Qe OUT B COM Common 1 O m a TO2 24 Vac 2 N C 2avac COM Control Signal 3 e Control Valve Signal C9 AO1 o 2 TO1 Not used 4 e Common Qe COM 5 o 24VAC Not used 5 Qe AO E External Demand Setpoint Oe Al acus w e com gt 59 2 5 Volts Room Humidity Sensor amp a E gt High Limit Humidity Sensor C29 29 De e up co o Q0 TURN S1 O rs 9 24 Temperature Sensor Separator amp NO Common 26 COM a
21. Escutcheon Plate www neptronic com Page 10 Installation Instructions and User Manual Stage 2 Steam Header Installation N Any installation work must be carried out by suitably qualified personnel Steam Header Installation Mini Rack and Multi Tube only e Align the outlets of the steam header with the steam inlet of each steam distributor e For Multi Tube use proper size union to connect the steam header to the steam distributors Refer to ustration 10 Steam Header with Union The distance between the header and the steam distributors 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 For Mini Rack models 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 10 Steam Header with Union ISOLATING VALVE STRAINER ESCUTCHEON PLATES CONTROL VALVE SEPARATOR TEMPERATURE SENSOR FOR SEPARATOR
22. IC p VENTILATION DUCT 5 d Li ox To 7 p z 4 STEAM JAC KER P RE EVAPORATOR DISTRIBUTOR TEMPERATURE SENSOR el SINGLE PART FOR JACKET lie i q u TEMPERATURE SENSOR TI Lk J ID FOR EXTERNAL RE EVAPORATOR BLOAT AND THERMOSTATIC STEAM TRAP Illustration Mini Rack with External Re Evaporator Page 4 www neptronic com Multi Tube neptronic Direct Steam Injection Humidifier Installation Instructions and User Manual STEAM JACKET DISTRIBUTOR ISOLATING VALVE 9 2 3 4 NPT pas d sf 2222 FOR SEPARATOR gt lt gt STRAINER CONTROL VALVE D SEPARATOR TEMPERATURE SENSOR 3 4 NPT
23. N neptronic Direct Steam Injection Humidifier SKD J Jacketed Series Installation Instructions and User Manual For the following configurations Jacketed Single Tube Mini Rack Mini Rack with External Re Evaporator Multi Tube Multi Tube with External Re Evaporator SKD J Humidifier Manual 140401 ESL docx neptronic Direct Steam Injection Humidifier Installation Instructions and User Manual Foreword and Safety Instructions Neptronic Company Overview Founded in 1976 we re a private corporation that designs manufactures and distributes products for the HVAC industry Our product line includes intelligent controllers electronic actuators actuated valves humidifiers and electric heaters Our products are designed and manufactured by over 250 dedicated employees in our 7 500 80 000 ft state of the art facility located in Montreal Canada Using a vertical integration model our entire manufacturing chain is under one roof from software and hardware development to SMT circuit board assembly to sheet metal fabrication to product testing ensuring that our products are engineered to last We currently hold several national and international patents and with our continued commitment to research and development we provide innovative products and technologies for the ever evolving challenges of the HVAC industry Exporting over 7096 of our sales we have an exclusive distribution network around the globe that provide
24. NPUT STATE Default No default information display only Range INACt closed ACt open Displays if the interlock is open or closed 5l PIERO TEMPER D Default No default information display only Displays whether the microcontroller temperature is in C or F mode PCB TEMPER D Default No default information display only Displays whether the PCB temperature is in C or F mode www neptronic com Page 32 neptronic Direct Steam Injection Humidifier Installation Instructions and User Manual Alarms and Notifications The following is a list of alarms and notifications displayed by the Steam Controller under different conditions When each one of these occurs the controller performs certain actions as described in the table The alarm symbol A is displayed along with the all the alarms and notifications Display Indicates that the air flow sensor is not detected NO AIR FLOW ALARN control valve is closed isolating valve is closed Indicates that the duct humidity has exceeded the high limit level control valve is closed isolating valve is closed alarm relay is activated Indicates that the servicing is due in less than 100 hours alarm relay is activated Service the unit and reset the unit by pressing the arrow keys for three seconds Indicates that the service is due This alarm is displayed only if you ve set the option to INACT at Step 32 runs while service a
25. RE EVAPORATOR TEMPERATURE SENSOR E ial FOR JACKET FLOAT AND THERMOSTATIC STEAM TRAP Illustration 5 Multi Tube with External Re Evaporator www neptronic com Page 6 neptronic Direct Steam Injection Humidifier Installation Instructions and User Manual ISOLATING VALVE ESCUTCHEON 5 STRAINER H CONTROL VALVE D SEPARATOR Pd TEMPERATURE SENSOR FOR JACKET 1 3 4 NPT
26. T IN PCT Default 096 RH Range 10 to 10 RH Increment 0 1 RH Adjust the room relative humidity reading by using the offset 16 ROOM HUPIIDTS SIGNAL RANGE Default 2 10 Range 0 10 Vdc 2 10 Vdc Select the desired signal range from the available options If you selected Extern at Step 12 Control Mode go to Step 23 High limit sensor EXTERNA HUPIDTS SETPNT Default OFF Range OFF ON Select ON if you want to use an external setpoint for humidity If you selected OFF go to Step 19 interna humidty setpnt in pct www neptronic com Page 26 Installation Instructions and User Manual 18 SETPNT SIGNAL RANGE Default 2 10 Vdc Range 0 10 Vdc 2 10 Vdc Select the desired relative humidity sensor signal Go to Step 20 control dead band in pct 19 INTERNA HUPIDTS SETPNT IN Default 4096 RH Range 10 to 90 RH Increment 1 RH Set the desired humidity setpoint in RH 20 CONTROL DERD BAND IN Default 2 096 RH Range 0 to 5 RH Increment 0 1 RH Set the desired control dead band el CONTROL PROP IN PCT Default 5 0 Range 1 to 10 Increment 0 1 Set the desired control proportional ramp ee CONTROL INTEGRA RAMP IN Default 5 096 Range 1 to 10 Increment 0 1 Set the desired control integral ramp 23 HIGH LIMIT SENSOR Default Digital On Off Range Disable An
27. alog Digital On Off Network Select the desired type of high limit sensor from the available options The Network option is available only on BACnet or Modbus models SKDESC JB or SKDESC JD If you selected Digital go to Step 28 High limit max demand in pct If you selected Disable go to Step 29 end of season delay in hr C4 HIGH LIMIT SETPNT IN Default 8096 RH Range 10 to 90 RH Increment 1 RH Set the high limit relative humidity setpoint 25 HIGH LIMIT PROP RAMP IN Default 10 0 Range 096 to 20 Increment 0 1 Set the desired high limit proportional ramp If you selected Network at Step 23 High limit sensor go to Step 28 High limit max demand in pct www neptronic com Page 27 el 8 eg 30 31 Installation Instructions and User Manual neptronic Direct Steam Injection Humidifier HIGH LIMIT OFFSET IN Default 0 RH Range 10 RH to 10 RH Increment 0 1 RH Adjust the relative humidity reading of the room HIGH LIMIT SIGNAL RANGE Default 2 10 Vdc Range 0 10 Vdc 2 10 Vdc Select the high limit signal range HIGH LIMIT DEMAND IN Default default information display only Displays the actual reading of the high limit sensor END OF SEASON DELAY IN HR Default 100 hours w Range 100 to 250 hours Increment 5 hours This option does not appear
28. 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 38 Installation Instructions and User Manual Notes neptronic 400 Lebeau blvd Montreal Qc HAN 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
29. atic Steam Trap The design comes with universal four port design all stainless steel internal components with the option of a stainless steel body construction as well The Float and thermostat eliminates condensate from the steam line e Steam Header with External Re Evaporator This option is available only with Multi Tube with External Re Evaporator and Mini Rack with External Re Evaporator configurations The header contains a re evaporator that re evaporates the condensate formed within the header and the steam dispersion tubes The re evaporator is made of copper with stainless steel connection The re evaporator is sized as per the system steam pressure to eliminate all the condensate produced Therefore no condensate is drained while in operation resulting in reduction of energy wastage www neptronic com Page 2 Direct Steam Injection Humidifier Installation Instructions and User Manual neptronic
30. d Multi Tube models Stage 3 Control Valve Installation Stage 4 Steam Separator Installation Stage 5 Installation of re evaporator only for models with re evaporator option Stage 6 Temperature Sensor Installation Stage 7 Float and Thermostatic Steam Trap Installation Stage 8 Isolating Valve Installation Stage 9 Y Strainer Installation Stage 10 Electronic Steam Controller SKDESC J Stage 9 Stage 1 Strainer Steam Jacket Distributor and Header ES Single Part oe Stage 2 nE Steam Header T Stage 3 Control Valve Stage 4 Separator www neptronic com Stage 6 Temperature Sensor for Separator Tal 141 7 Float and Thermostatic Steam Trap Temperature Sensor for Jacket Illustration 7 Installation Stages Page 9 neptronic Direct Steam Injection Humidifier Installation Instructions and User Manual Stage 1 Steam Jacketed Distributor Installation General Considerations A Any installation work must be carried out by suitably qualified personnel Consider the following points before deciding the location for the Direct Steam Injection Humidifier steam distribution system e 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
31. d by skilled and 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 www neptronic com Page i Installation Instructions and User Manual List of Figures Illustration 1 Jacketed Single Tube nnnm nennen nnn rne nane nnns 3 Illustration 2 Mint RACK 4 Illustration 3 Mini Rack with External Re EVapOrator ccccccsseccccssecccesccceececeeecesseecesenceseeceseeeceeseeeeeees 4 IIS 5 Illustration 5 Multi Tube with External Re Evaporator ccccsscccssscecceseccescccaeececaeeceeeeneeeeeucessencessueeeeeens 6 Illustration 6 Multi Tube for Large nnnm nnne nnns 7 ON SLOPE o esu ise etuer 9 Illustrations Manifold InstallatlOFk sese Scene Pevkuu eg ETEO E 10 Illustration 9 End Mounting Bracket and Escutcheon Plate cccccsssccecesececesececeneeceeseceseueceseeceneeeees 10 li ustration 10 Steam Header With Bex EQUI CON Ru 11 ET Mini 11 Illustration 12 Control Valve Orie
32. e 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 e The steam distributors must be installed to ensure that the visible steam trail is kept to the shortest possible length Steam nozzles should face the airflow to minimize the absorption and non wetting distance Locate the steam distributors far enough from elbow or fan to be in laminar air flow to ensure proper evaporation distance e here must be sufficient straight duct downstream from the steam distributors for absorption of the steam Steam Jacketed Distributors Escutcheon plate pee g 4 End mounting plate Illustration 8 Manifold Installation e For Jacketed Single Tube applications position the steam distributor in the middle of the duct For Multi Tube 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 e 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 e Use metal screws to mount the escutcheon plate to the wall of the duct or AHU e Secure the end of the steam distributor with 3 8 19 5 mm rods either vertically or horizontally Illustration 9 End Mounting Bracket and
33. e steam jacket distributor Depending on the total steam distributor length and number the humidifier might require up to 4 temperature sensors on the steam jacket distributors The system requires 1 temperature sensor for each 50 linear feet 15m of steam distributors Refer to Illustration 23 Temperature Sensor Jacket Installation __ Separator __ Condensate Outlet Temperature Sensor Separator Steam Jacket Distributor Outlet Temperature Sensor Jacket Illustration 23 Temperature Sensor Jacket Installation www neptronic com Page 16 Installation Instructions and User Manual Temperature Sensor Installation for Re Evaporator If using the external re evaporator option an additional temperature sensor must be installed downstream the pressurized steam outlet of the re evaporator as indicated in lustration 24 Temperature Sensor Installation for Re Evaporator at LIN FENETENETEETENETEFE DI 0 e LE m El So oe rJ at 14 ee HEC ES TEMP ns FOR SEPARATOR E m a I OW 0 1 STEAM KET H r DETAI UTO R TEMPERATURE SENSO PL AND HEADER FOR EXTERNAL
34. ed Install the actuated valve between 20 to 30 degrees from the vertical line to reduce the heat transfer to the actuator head ELECTRIC ACTUATOR VALVE BODY FLOW DIRECTION Illustration 29 Control Valve Orientation and Control Valve Angle www neptronic com Page 19 neptronic Direct Steam Injection Humidifier Installation Instructions and User Manual Stage 9 Y Strainer Installation N 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 Direct Steam Injection Humidifier configuration e On the Jacketed Single Tube applications install the strainer before installing the isolating valve Refer to llustration 30 Jacketed Single Tube e For Mini Rack and Multi Tube applications install the strainer before the steam line splits between the separator and the isolating valve Refer to ustration 30 Jacketed Single Tube Isolating Valve Ventilation Duct otrainer 2 2 Control Valve Steam Jacketed Distributor Separator Escutcheon Plate Temperature Sen
35. ence of operations to optimize energy efficiency and prevents condensate ejection The following are the features of the Direct Steam Injection Humidifier and their functions Jacketed Tube Steam Distribution The steam dispersion tubes are made with stainless steel 1 3 8 The jacketed tube steam distribution consists of a single tube or multiple horizontal tubes on a common vertical header Upon a demand for humidity the SKDESC J controller opens the isolating valve to preheat the outer jacket This prevents any condensate from forming in the inner tube that could wet the duct or AHU floor when steam is flowing through the tubes nozzles When the jacket reaches its operating temperature the ESC controller slowly opens the steam modulating valve feeding steam directly into the inner tube s The steam escapes the tube s through multiple calibrated nozzles and mixes with the airflow to maintain the desired humidity level The following configurations are available with the jacketed tube steam distribution o Single Tube o Multi Tube o Mini Rack Each configuration suits a specific requirement and provides the following advantages o Low medium and high capacity applications o Average and short non wetting distances o Duct AHU and limited space installations Separator The separator is constructed with stainless steel The separator supplies condensate free steam to the steam control valve and discharges condensate to the steam tra
36. fier control set up www neptronic com Page 36 ME neptronic Direct Steam Injection Humidifier 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 Direct Steam Injection Humidifier Switch on the SKDESC J 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 SKDESC J Control Mode to Internal step 12 and the Externa Humidty Setpnt to OFF step 17 Then adjust the set point to a higher value than the room humidity reading operation mode B Set the SKDESC J econo mode to ON 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 After the isolating valve opens the temperature of the jacket will increase Within 30 seconds the temperature of the jacket should be higher than 212 F 100 C The temperature is displayed on the SKDESC J LCD Once the temperature is high enough the control valve will open slowly The start up is completed and the humidifier is now functional Safety Test Check for steam or condensate leakage while the humidi
37. fier is in operation Reset the Set Point and Control Mode End If the humidity set point is controlled by the SKDESC J 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 SKDESC J set the internal control signal to OFF The humidifier is ready for normal operation www neptronic com Page 37 neptronic 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 J and SKG Series provided the equipment has been properly installed and operated in accordance with Neptronic instructions 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
38. from the drain All other steam traps can be connected to the condensate return line If draining condensate is not desired select the external re evaporator option to be able to return all condensate to the condensate return line Float and Thermostat Steam Trap Installation for Re Evaporator If using the re evaporator option the steam trap connected to the re evaporator can be connected to the condensate return line as shown in the 28 Float and Thermostat Steam Trap Installation for Re Evaporator www neptronic com Page 18 neptronic Direct Steam Injection Humidifier Installation Instructions and User Manual _ l ______ SEPSRATOR ae a gcc TT Bip ee ne FOR SEPARATOR d L h WEN TILAT W DUC EVAPORATOR DISTRIBUTOR AND HED ER THM PERATURE SEW 0 SING LE PART FOR JACKET TEMP EGENZO FOR ETERNAL RE EVAPORATOR FLOAT AMD THERMO STATE ZTEA TRAP Illustration 28 Float and Thermostat Steam Trap Installation for Re Evaporator Stage 8 Isolating Valve Installation A 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 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 revers
39. is defective control valve is closed isolating valve is closed alarm relay is activated ER SENSOR FAILURE Indicates that the jacket 2 sensor is defective control valve is closed isolating valve is closed alarm relay is activated Indicates that the jacket 3 sensor is defective control valve is closed isolating valve is closed alarm relay is activated Indicates that the jacket 4 sensor is defective control valve is closed isolating valve is closed alarm relay is activated R FAILURE Indicates that the reevap sensor is defective control valve is closed isolating valve is closed alarm relay is activated FAILURE Indicates that the room humidity sensor has failed control valve is closed isolating valve is closed alarm relay is activated Indicates that the high limit humidity sensor has failed control valve is closed isolating valve is closed alarm relay is activated www neptronic com Page 34 neptronic Direct Steam Injection Humidifier Installation Instructions and User Manual Power Up Upon power up the LCD illuminates and all segments appear for 2 seconds The thermostat then displays its serial number model and revision for 2 seconds In the Operation Mode the information is displayed automatically in a sequence If you wish to scroll the information quickly use the arrow keys Humidity Levels The following humidity
40. larm control valve is closed isolating valve is closed alarm relay is activated SERVILE WARNING ALA Indicates that the inter lock Is activated control valve is closed isolating valve is closed alarm relay is activated Indicates that either the separator steam trap is flooded or the temperature is too low control valve is closed alarm relay is activated P FAILURE Indicates that either the jacket steam trap is flooded or the temperature is too low control valve is closed alarm relay is activated Indicates that either the jacket 2 steam trap is flooded or the temperature is too low control valve is closed alarm relay is activated Indicates that either the jacket 3 steam trap is flooded or the temperature is too low control valve is closed alarm relay is activated Indicates that either the jacket 4 steam trap is flooded or the temperature is too low control valve is closed alarm relay is activated www neptronic com Page 33 neptronic Direct Steam Injection Humidifier Installation Instructions and User Manual Display Indicates that either the reevap steam trap is flooded or the temperature is too low control valve is closed alarm relay is activated Indicates that the separator sensor is defective DE EBILUE control valve is closed OR IL LURE isolating valve is closed alarm relay is activated Indicates that the jacket sensor
41. levels are displayed e HUMIDITY SETPNT IN PCT Humidity setpoint in RH e RUD HUPIIBTS IN PET Room humidity reading in RH e HIGH LIMIT HUPIIBTS IN PET Duct sensor reading in RH Control Parameters The following control Lii is are displayed e CONTROL DEMAND IN PCT Current demand of the total system capacity measured in 96 e CONTROL GUTPUT IN PCT Current output of the total system capacity measured in 96 e CONTROL DEMAND Current demand measured in kg hr or Ibs hr CONTROL GUTPUT Current output measured in kg hr or Ibs hr Temperature Levels The following temperature levels are displayed e SEPARAT TEMPER Separator temperature measured C or F PER Jacket 1 temperature measured in C or F e JACKET 2 TEMPER Jacket 2 temperature measured in C or F e JACKET TEMPER Jacket temperature measured C or F D ZR e a m rA e m SE a E x JJ D D lt meje D 3j D E N Q 3 IO O O IO www neptronic com Page 35 neptronic Direct Steam Injection Humidifier 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
42. lt information display only Range BACnet 9 6k 19 2k 38 4k 76 8k Modbus 9 6k 19 2k 38 4k 57 6k This option is available only on BACnet or Modbus models SKDESC JB or SKDESC JD If you selected ON at the previous step the controller automatically detects and displays the baud rate If you selected OFF at the previous step select the baud rate value from the available options 36 NETWORK ADDRESS BACnet Default 0 Range 0 to 254 Modbus Default 1 Range 1 to 246 This option is available only on BACnet or Modbus models SKDESC JB or SKDESC JD Select the desired address 31 RDJUST DEVICE INSTANCE Default 0153001 Range No Yes To change the device instance select Yes If you select No the device instance will be modified automatically according to the MAC address 38 NETWORK PARITY Default None 9 Range None Odd Even This option is available only on Modbus model SKDESC JD Select the desired parity control from the available options 39 NETWORK STOP BITS Default 1 Range 1 2 This option is available only on Modbus model SKDESC JD Select the desired network stop bits 40 NETWORK FALLBACK TIMEOUT Default 0 sec Range 0 to 900 sec Increment 1 sec This option appears if you ve set one of the inputs to Net at Step 12 Control Mode Set the desired network fallback timeout www neptronic com Page 29 Ye 43
43. nstallation Method 5 9 Stage 1 Steam Jacketed Distributor Installation 10 Stage 2 Steam Header 11 Stage Control Valve InstallabtIO i ciere te eit de Pkt aqui DEUS Ge bubo EE HM SUPR EXEAT eU s Cep EE RR S 12 Stage 4 Steam Separator Installation eec rne 13 Stage 5 Re Evaporator Installation i envio a eva aere Urn Xa CU dit uo aux E S Re V Peu o RO Cua Y eC ER 14 Stage 6 Temperature Sensor lt 00 0000 16 Stage 7 Float and Thermostatic Steam Trap Installation eese 17 Stage 8 Isolating Valve Installation 19 Stage De SER LA E DUE UMS 20 Stage 10 Electronic Steam Controller 5 5 1 1 4 22 E O 36 MN NER 36 RET 36 Drain if needed Mini Rack or 36 SEO A bii EMEN
44. ntation and Control Valve 0040 12 Illustration 13 Control Valve Connection to Steam Distributor without Header 12 Illustration 14 Control Valve Connection with 4 4 1 13 Illustration 15 Separator Proper lt 00001 13 Illustration 16 Separator Incorrect Installation 40610000000 nemen 13 Illustration 17 Single Steam Distributor Separator Correct 1 lt 14 Illustration 18 Single Steam Distributor Separator Incorrect Installation 14 Illustration 19 Separator Connection to Control 14 Illustration 20 Re Evaporator 15 Illustration 21 Re Evaporator ConnectlOfi ios t avare us rara Veneno aya erre ven ees Vas Pls Y UR Edge 15 Illustration 22 Temperature Sensor Separator 16 Illustration 23 Temperature Sensor Jacket 0 4400 00 16 Illustration 24 Temperature Sensor Installation for 17 Illustration 25 Separator Steam Trap
45. 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 www neptronic com Direct Steam Injection Humidifier Installation Instructions and User Manual General Conditions of Sales and Warranty Expenses in connection with travelling time dismantling and mounting shall not be paid by Neptronic Guarantee 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
46. ol 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 Steam outlet Condensate outlet 8 203 mm Maximum Illustration 19 Separator Connection to Control Valve Stage 5 Re Evaporator Installation A Any installation work must be carried out by suitably qualified personnel e Install a tee upstream the Isolating valve as indicated in the llustration 20 Re Evaporator Installation The Tee could also be on the vertical section of the piping between the jacket inlet and the isolating valve www neptronic com Page 14 neptronic Direct Steam Injection Humidifier Installation Instructions and User Manual STEAM JACKET DISTRIBUTOR AND HEADER SINGLE PART ISOLATING VALVE _7 SEPARATOR CONTROL VALVE RE EVAPORATOR Illustration 20 Re Evaporator Installation e Connect that tee on the pressurized steam inlet port of the external re evaporator as indicated lustration 21 Re Evaporator Connections Pressurized Steam Inlet 3 47 From Header Atmospheric Condensate Inlet 3 47 8 281 For SPS7608 Pressurized Steam Outlet 3 4 Cap Cleaning Port C4 3 116 Illu
47. p Control Valves The Direct Steam Injection Humidifier comes with normally closed globe valve with equal percentage flow characteristics to control the flow of steam It comes in variants such as bronze body and brass trim stainless steel trim optional The linear electric actuator is equipped with a heat shield The control valves provide full modulation of the low pressure steam flow for a better control of the humidity level Isolating Valves The valves are the normally closed full port ball valve type made with bronze body and stainless steel trim The valves control supply of the steam to the jacket in a multi tube configuration or to the heat exchanger in a Direct Steam Injection Humidifier Electronic Steam Controller SKDESC J The SKDESC J is a microprocessor based steam controller equipped with a backlit LCD display that allows programming the humidity setpoints and monitoring parameters such as actual humidity airflow switch interlock temperature sensors efficient and easy www neptronic com Page 1 Installation Instructions and User Manual e Strainer The strainer strains foreign matter from pipelines and protects the components of the steam humidifier e RTD Temperature Sensors The Direct Steam Injection Humidifier comes with RID temperature sensors integrated in a brass thermowell The temperature sensors monitor steam temperature and detect abnormal condensate levels to ensure safe operations e Float and Thermost
48. s comprehensive solutions to our worldwide customers 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 Electricity 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 All work concerned with electrical installation MUST only be performe
49. sor for m Float and Thermostatic Steam trap Illustration 30 Jacketed Single Tube www neptronic com Page 20 neptronic ISOLATING VALVE _ E ESCUTCHEON PLATE Direct Steam Injection Humidifier Installation Instructions and User Manual STRAINER H CONTROL VALVE D SEPARATOR VENTILATION DUCT TEMPERATURE SENSOR FOR SEPARATOR 3 4 NPT STEAM JACKET DISTRIBUTOR WITH HEADER SINGLE PART FLOAT AND THERMOSTATIC TEMPERATURE SENSOR FOR JACKET 1
50. stration 21 Re Evaporator Connections e Position the external re evaporator lower than the header so that the atmospheric condensate generated within the header can flow down by gravity to the external re evaporator e Connect the header to the atmospheric condensate inlet of the external re evaporator as indicated in Illustration 21 Re Evaporator Connections Note that both side ports atmospheric condensate inlet and capped port can accept the atmospheric condensate Cap the side port that is not connected to the header e Do not rotate external re evaporator The pressurized condensate connections must point vertically www neptronic com Page 15 neptronic Direct Steam Injection Humidifier it Installation Instructions and User Manual Stage 6 Temperature Sensor Installation N Any installation work must be carried out by suitably qualified personnel Temperature Sensor Installation General One temperature sensor shall be installed downstream of the condensate outlet of the steam separator Refer to Illustration 22 Temperature Sensor Separator Installation 7 gEPARATOR TEMPERATURE SENSOR hy SEPARATOR 7 Illustration 22 Temperature Sensor Separator Installation e Mini Rack and Multi Tube applications will require at least one additional temperature sensor to be installed at the outlet of th
51. t to the actuator head ELECTRIC ACTUATOR VALVE BODY FLOW DIRECTION Illustration 12 Control Valve Orientation and Control Valve Angle Control Valve Installation without Header Jacketed Single Tube 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 WITH ACTUATOR Illustration 13 Control Valve Connection to Steam Distributor without Header www neptronic com Page 12 Installation Instructions and User Manual Control Valve Installation with Header Mini Rack or Multi Tube 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 TO STEAM e PUE HEADER DISTRIBUTOR CONTROL VALVE WITH ACTUATOR Illustration 14 Control Valve Connection with Header Stage 4 Steam Separator Installation A Any installation work must be carried out by suitably qualified personnel Steam Separator Positioning The steam separator must be installed so that
52. ted In Econo mode the isolation valve will be closed when there is no demand Important For correct operation set the econo mode feature to OFF econo mode deactivated 5 WORKING CAPACIT IN Default 10096 Range 10 to 100 Increment 5 This option enables you to adjust the maximum demand capacity of the full system capacity in This percentage is a factory setting We recommend that you do not change this value without consulting Neptronic SEPARAT TEMPER OFFSET Default 0 G Range 10 to 10 C 18 to 18 F Increment 0 1 C 0 1 F Set the desired temperature reading 1 UACKETT TEMPER OFFSET Default 0 D Range 10 to 10 C 18 to 18 F Increment 0 1 C 0 1 F This option appears only if the number of temperature switches is greater than 1 Adjust the temperature reading by using the offset 8 JACKET TEMPER OFFSET Default 0 D Range 10 to 10 C 18 to 18 F Increment 0 1 C 0 1 F This option appears only if the number of temperature switches is greater than 2 Adjust the temperature reading by using the offset 9 JACKETS TEMPER OFFSET Default 0 O Range 10 to 10 C 18 to 18 F Increment 0 1 0 1 F This option appears only if the number of temperature switches is greater than 3 Adjust the temperature reading by using the offset 10 JACKETY TEMPER OFFSET Default 0 D Range 10 to 10 18 to 18 F Increment 0 1 0 1 F
53. the steam inlet is always on top The steam inlet and the condensate outlet must be vertical STEAM INLET MUST ALWAYS _ ON TOP STEAM OUTLET l du CONDENSATE OUTLET MUST ALWAYS BE ON THE BOTTOM Illustration 15 Separator Proper Installation STEAM OUTLET CONDENSATE OUTLET a Sf wo INLET J Illustration 16 Separator Incorrect Installation Steam Separator Installation with Jacketed 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 www neptronic com Page 13 Installation Instructions and User Manual DISTRIBUTOR N CONTROL VALVE N WITH ACTUATOR SEPARATOR Illustration 18 Single Steam Distributor Separator Incorrect Installation Steam Separator Installation Mini Rack and Multi Tube Position the steam separator so that the steam inlet is always located on the top 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 contr
54. the ventilation duct e Ensure that there is no leakage on the Direct Steam Injection Humidifier piping Electrical Confirm that 24Vac is present between tab 1 amp 4 of terminal block TB5 on the SKDESC J Controller Drain if needed Mini Rack or Multi Tube e fthere is a steam trap on the header confirm that the drain piping is properly connected with a pitch of least 74 1 5 mm per 40 1m There is no header on the Jacketed Single Tube configuration and therefore there is no steam trap on the header Steam Supply e fthere is a steam trap on the header confirm that the drain piping is properly connected with a pitch of least 74 1 5 mm per 40 There is no header on the Jacketed 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 SKDESC J the set point is properly adjusted e Verify that the room humidistat or returned air duct humidistat is installed properly connected to the SKDESC J and the set point is properly adjusted e urn 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 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 humidi
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