Multi-Steam TM HD/SD Manual (SKD-M)
Contents
1. Illustration 14 Temperature Sensor Installation Installing the Temperature Sensor e The Multi Steam SD HD requires only one temperature sensor e Install the temperature sensor upstream the control valve and downstream the steam separator www neptronic com Page 11 Installation Instructions and User Manual A neptronic Multi Steam SD HD Stage 5 Float and Thermostat Steam Trap Installation A Any installation work must be carried out by suitably qualified personnel Stage 5 Steam Traps Il2. Illustration 11 Steam Separator Installation www neptronic com Page 10 neptronic Multi Steam SD HD Installation Instructions and User Manual Positioning the Steam Separator Install the steam separator so that the steam inlet is on the top and the steam outlet is on the side Condensate outlet must point vertically down STEAM INLET MUST ALWAYS 7 BE ON TOP STEAM OUTLET _ N J EE OUTLET MUST ALWAYS BE ON THE BOTTOM Illustration 12 Correct Installation STEAM OUTLET CONDENSATE OUTLET STEAM INLET Illustration 13 Incorrect Installation Stage 4 Temperature Sensor Installation A Any installation work must be carried out by suitably qualified personnel Stage 4 Temperature Sensor
3. Illustration 17 Strainer Installation Install the strainer within six linear feet from the steam separator reducing the pipe length for the strainer and the first Multi Steam SD HD component www neptronic com Page 13 E neptronic Multi Steam SD HD Installation Instructions and User Manual Stage 7 Electronic Steam Controller SKDESC M Models SKDESC M SKDESC MB with BACnet Communication SKDESC MD with Modbus Communication Description The Electronic Steam Controller SKDESC M is made specifically for Neptronic SKD M Multi Steam Humidifiers Features e Conserves energy and eliminates condensate dry operation o Manages isolating and modulating valves o Pre heats tube channel jackets only on demand for humidity Automatic temperature sensor adjustment On Off or Modulating control ESC Steam Controller Series 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 Communication BACnet Modos Weight 635 g 1 4 Ib Dimensions A 6 3 160mm B 5 126mm C 2 25 57mm www neptronic com Page 14 neptronic Multi Steam SD HD Installation Instructions and User Manual Wiring We stro
4. cccccsssccccssececeseceeeneceeeesceeeeecenseceneness 8 Stage 2 Steam Control Valve Installation rrrrnnrnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnvnnnnnnnnnnnnnnnennnuennne 9 Stage 3 Steam Separator Installation ccccccsssscccssecccssececsececesseccaeecessececeeceeeeseesseecessecetsesenes 10 Stage 4 Temperature Sensor Installation ccccccsssceccsseccceseccesscceeeesceceeceseneceeeeesseescesseecetsneeeeens 11 Stage 5 Float and Thermostat Steam Trap Installation ccccccssscccessccceseceeeseeeeeenceseeecetseceneness 12 Stage b Strainer IS Call 0 EE SE EEEE es 13 Stage 7 Electronic Steam Controller SKDESC M rrrrurrnnnnrrnnnnnnnnnnnnnnnnnrnnnnnrnnnnnennnnnennvnnennnnnennnnnsnennn 14 MANI 26 TE EE EE EE NE wean achanoulas 26 190 E E NN SEAE E EE EE TN 26 Ne NT 26 ENN 26 Col 5 0 REE EEE EE 26 VM 27 NN 27 SEEL EE EE abate 27 Reset the TONN 27 la EE A E E NE EE NE E EEE 27 General Conditions of Sales and Warranty rrrrannnnnnnnnnnnnnnnnnnnnnnnernnnnnnrnnnrnnnnnnnnnnsennnnnenennnnnnsennnnnssnnrnnessennnne 28 ENN 28 Special agreement ON components under warranty scccessecccessccccsccceececseececeeecesenecssenceeeuscesseeceneness 28 NOU EE EE EN EET 31 www neptronic com Page iii Ae neptronic Multi Steam SD HD Installation Instructions and User Manual Technical Specifications Product Description The Direct Steam Injection Humidifier injec
5. 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 along with any associated alarms access the edit mode by pressing gt and adjust using the arrow keys A and V ei RUNS WHILE SERVICE ALARN Default INACt Inactive RA Range INACt Inactive ACt active Select ACt to enable the system to run even when the servicing is due 28 TOTAL RUNTINE IN HR A Default No default information display only Displays the running time in hours at 100 capacity 29 RUTO BAUD RATE Default ON Range ON OFF This option is available only on SKDESC MB and SKDESC MD models 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 30 baud rate 30 BAUD RATE Default No default 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 SKDESC MB and SKDESC MD models If you selected ON at Step 29 auto baud rate the baud rate is detected and displayed automatically If you selected OFF at Step 29 auto baud rate select the baud rate value from the available options 31 NETWORK ADDRESS BACnet Default 0 Range 0 to 254 Modbus De
6. 90 RH Increment 1 RH Set the high limit relative humidity setpoint 20 HIGH LIMIT PROP RAPP IN PCT Default 10 0 Range 0 to 20 Increment 0 1 Set the desired high limit proportional ramp If you selected Network at Step 18 High limit sensor go to Step 23 High limit max demand in pct el HIGH LIMIT HUMDTY OFFSET IN PCT Default 0 RH Range 10 RH to 10 RH Increment 0 1 RH Adjust the relative humidity reading of the room C2 HIGH LIMIT SIGNAL RANGE Default 2 10 Vdc RA Range 0 10 Vdc 2 10 Vdc Select the high limit signal range 23 HIGH LIMIT MAX DEMAND IN PCT QI Default No default information display only Displays the actual reading of the high limit sensor 24 END OF SEASON DELAY IN HR Default 100 hours Range 100 to 250 hours Increment 5 hours This option does not appear 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 www neptronic com Page 19 neptronic Multi Steam SD HD Installation Instructions and User Manual 25 SERVICE DELAY IN HR Default 1000 hours Range 400 to 1500 hours Increment 100 hours Indicates the available number of hours running at 100 capacity before the servicing is due To reset this value along with any associated alarms press the arrow keys and simultaneously 25 SERVICE RUNTIME IN HR A Default
7. NODE Default Extern Range Intern Extern Net Select the desired control mode from the available options e If Intern is selected the humidifier is controlled by the SKDESC M e If Extern is selected the humidifier is controlled by an external signal e If Net is selected the humidifier is controlled over the network This option is available only on SKDESC MB and SKDESC MD models If you selected Intern or Net go to Step 9 network room humidty 8 DEMAND SIGNAL RANGE Default 2 10 Vdc Range 0 10 Vdc 2 10 Vdc Select the desired relative humidity sensor signal 9 NETUORA ROOM HUMDTY Default OFF Range OFF ON This option is available only on SKDESC MB and SKDESC MD models Select ON if you want to control the humidity over the network If you selected ON go to Step 12 Externa Humidty Setpnt If you selected Intern at Step 7 Control Mode go to Step 11 Room humidty signal range www neptronic com Page 17 10 31 le 13 14 15 16 11 E neptronic Multi Steam SD HD Installation Instructions and User Manual ROON HUMDTY OFFSET IN PET Default 0 RH Range 10 to 10 RH Increment 0 1 RH Adjust the room relative humidity reading by using the offset ROON HUMIDTY SIGNAL RANGE Default 2 10 Vdc Range 0 10 Vdc 2 10 Vdc Select the desired signal range from the available options If you selected Extern at Step 7 Control Mode go to St
8. 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 channel configuration or to the heat exchanger in Multi Steam SD HD Electronic Steam Controller SKDESC M The ESCM 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 air flow switch interlock temperature sensors efficient and easy Strainer The strainer strains foreign matter from pipelines and protects the components of the steam humidifier RTD Temperature Sensors The Multi Steam SD HD comes with RTD temperature sensors integrated in a brass thermowell The temperature sensors monitor steam temperature and detect abnormal condensate levels to ensure safe operations Float and Thermostatic Steam Trap The design comes with the universal four port design all stainless steel internal components with the option of a stainless steel body constru
9. ILATION DUCT DRAIN PORT BRACKET MULTI STEAM HEADER Illustration 6 Manifold Installation Side View e For insertion type secure the header on the bottom of the duct with metal screws Secure the top of the assembly by bolting the perforated top mounting plate to the ventilation duct or AHU e Use the duct bottom mounting brackets to secure the header underneath the duct il DUCT TOP es MOUNTING BRACKETS DUCT BOTTOM MOUNTING BRACKETS Illustration 7 Header Mounting Brackets and Steam Stage 2 Steam Control Valve Installation A Any installation work must be carried out by suitably qualified personnel Stage 2 Steam Control Valve Illustration 8 Steam Control Valve Installation www neptronic com Page 9 neptronic Multi Steam SD HD Installation Instructions and User Manual Positioning the Control Valve e Install the actuated valve between 20 to 30 degrees from vertical in order to reduce the radiant heat to the actuator head ELECTRIC ACTUATOR VALVE BODY STEAM SUPPLY SIDE FLOW DIRECTION Illustration 9 Flow Direction Steam Control Valve Illustration 10 Tilt Angle Steam Control Valve Stage 3 Steam Separator Installation AN Any installation work must be carried out by suitably qualified personnel
10. M H NJ Al4 TER No G si Ce oa amp KCOM ed Alarm Relay Temperature Sensor de VVV x lt a p NO Owe Common 30 COM J N r 49 ers BE No Deco y TS4 7 gt 24VAC Q F ev O Tss 23 ed c De com 2 eo gt Description i Step 7 Control Mode EXTERN Used for external control signal TB9 Step 7 Control Mode INTERN and Used for external setpoint signal Step 12 Externa Humidty Setpnt GN Step 18 High limit sensor DIGITAL Used for connecting high limit sensor TB1 Digital Step 18 High limit sensor ANALOG Used for connecting high limit sensor TB10 Analog www neptronic com Page 15 Installation Instructions and User Manual E neptronic Multi Steam SD HD Symbols used in this manual Humidity Communication Network Timer Clock Programming Mode Press to enter edit mode Setting lt Description Scroll or change m gt value when in edit mode Setting Value 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 in edit mode use the arrows buttons or v to change values Changed values are automatically saved 5 Press to exit edit mode of the display
11. Mr n 4 neptronic Multi Steam SD HD SKD M Series Direct Steam Injection Humidifier Installation Instructions and User Manual For the following configuration e Multi Steam SD Standard e Multi Steam HD with X Stream Technology SKD M Humidifier Manual 131120 ESL E neptronic Multi Steam SD HD 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 m 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 70 of our sales we have an exclusive distribution network around the globe that provides comprehensive solutions to our worldwi
12. c 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 neptronic Multi Steam SD HD Installation Instructions and User Manual List of Illustrations Illustration 1 X Stream and Standard Steam Distributor rrrrarrrnnnrrrrnnnrrnnnnerrnnnrrnnnnernrnnsrnnnnsrnnnssrnnnssennnn 4 Nustr tion 2 Components OE EN sansene 5 Illustration 3 Installation Stages Overview rrrrrrrnnrrnnnnrrnnnnnrrnnnnrnnnnsrnnnnernnnnnrnnnnevnnnnsvnnnnennnnnenrnneennnseennussesene 7 Illustration 4 Manifold Installation resrrrrrnnrrrnrnnnnrrrnnnnrrnnnnnnrrnrnnnnrrnnnnnernnnnnnennnnnenennnnnnennnnnnesnnnnnsnsennnnsssennne 8 Illustration 5 Manifold Installation Front View rrwrrurrrrnnnnrrrnnnnnrrnnnnnnernnnnnernnnnnnnrnnnnnnevnnnnnsnnnnrnnnsennnnnsnenene 8 Illustration 6 Manifold Installation Side View rrrrranrrrnrnnrrrrnnnnnrrnnnnnnrrnnnnnerrnnnnnnnnnnnnesennnnnnnnnnnnnssennnnessenene 9 Illustration 7 Header Mounting Brackets and Steam ccccccssecccsssecccesecceececeececseeceeeeesauceseeecesseneeeeees 9 Illustration 8 Steam Control Valve Installation rrrrrrnnnnrrnnnnnrrnnnnrrnnnnrnrnnnrnnnnnernnnnennnnernnnnernrnnnsrnnnsernnnssenne 9 Illustration 9 Flow Direction Steam Control Valve r rrnnurnnvnnnvnnnvnnvnnn
13. counter CONTROL OUTPUT SIGNAL IN MV QI 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 www neptronic com Page 21 40 qi Ye 43 4y 45 46 YI neptronic Multi Steam SD HD Installation Instructions and User Manual ALARM RELAY OUTPUT STATE Default No default information display only RA Range INACt closed ACt open Displays whether the alarm relay is open or closed STERN ON OUTPUT RELAY OUTPUT STATE Default No default information display only RA Range INACt closed ACt open Displays whether the steam output relay is open or closed SEPARAT TEMPER INPUT SIGNAL IN NV Q Default No default information display only Displays the separator temperature sensor reading in mV DEMAND INPUT SIGNAL IN NY RD Default No default information display only This option appears only if you ve selected Extern at Step 7 Control Mode Displays the reading of demand in mV ROOM HUMIDITY INPUT SIGNAL IN AV Q Default No default information display only This option does not appear if you ve selected OFF at Step 9 network room humidty Displays the relative humidity reading of the room in mV SETPNT INPUT SIGNAL IN fv Q Default No default
14. ction as well The Float and thermostat eliminates condensate from the steam line VENTILATION DUCT ACTUATED CONTROL VALVE STRAINER i f I M SEPARATOR Mii E E al Ree _ TEMPERATURE SENSOR r i DH moo A DUCT MOUNTING BRACKETS SKDESC M STEAM TRAP Illustration 2 Components Overview Page 5 E neptronic Multi Steam SD HD 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 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 Multi Steam SD HD MUST always be handled and lifted with care and should remain in its original packaging for as long as possible prior to installation The Multi Steam SD HD package may be carried using a forklift from the underside Caution should be exercised to ensure balanced load before lifting Unpacking The Multi Steam SD HD is shipped inside carton boxes or in a wooden crate Remove packing and skids prior to commissioning www neptronic com Page 6 E neptronic Multi Steam SD HD Installa
15. de customers About the Manual These installation and operation instructions have been developed to facilitate the installation of the Multi Steam SD HD 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 20130 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 All work concerned with electrical installation MUST only be performed by skilled and AN 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 Neptroni
16. e carried out by suitably qualified personnel Stage 1 Steam Distribution System Illustration 4 Manifold Installation Consider the following points before deciding the location for the Multi Steam SD HD steam distribution system Positioning Steam Dispersion e Plan a location that is easy to access and permits an easy inspection and servicing of the humidifier e Do not install the humidifier where failure of the appliance could cause damage to the building structure or to other expensive equipment 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 Header Assembly e Locate the steam distributors assembly far enough from elbow or fan to be in laminar air flow to ensure proper evaporation distance e There must be sufficient straight duct downstream from the steam distributors for absorption of the steam e Position the assembly so that the distances between both sides are the same INLET FORT DRAIN PORT FOR CONDENSATE Illustration 5 Manifold Installation Front View www neptronic com Page 8 Installation Instructions and User Manual E neptronic Multi Steam SD HD WENT
17. e system and its operation by stopping the fan or by disconnecting the air pressure connection With no air movement in the duct SKDESC M should automatically stop the humidifier by closing the control valve Reset the Setpoint and Control Mode End www neptronic com If the humidity setpoint is controlled by the SKDESC M reset the setpoint to the desired relative humidity set 20 as suits the room If the humidity setpoint is controlled by another device than the SKDESC M typically by the BMS set the internal control signal to OFF The humidifier is ready for normal operation Page 27 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 M 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 r
18. ed value 6 Return to step 2 or press to exit the mode Auto exits after 5 minutes without any action 1 ENTER PASSURD QI 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 RA Range ENG English Select the desired language www neptronic com Page 16 neptronic Multi Steam SD HD Installation Instructions and User Manual 3 METRIC DISPLAY UNITS Default ON RA Range ON metric units C kg H2O Hr OFF imperial units F Ibs H2O Hr Select the desired measurement system 4 ECONO NODE Default OFF econo mode deactivated Range ON econo mode activated OFF econo mode deactivated In Econo mode the isolation valve will be closed when there is no demand O Important For correct operation set the econo mode feature to OFF econo mode deactivated 5 WORKING CAPACIT IN PCT Default 100 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 6 SEPARAT TEMPER OFFSET Default 0 D Range 10 to 10 C 18 to 18 F Increment 0 1 C 0 1 F Set the desired temperature reading 7 CONTROL
19. ep 18 High limit sensor EXTERNA HUMIDTY 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 14 interna humidty setpnt in pct SETPNT SIGNAL RANGE Default 2 10 Vdc Range 0 10 Vdc 2 10 Vdc Select the desired relative humidity sensor signal Go to Step 15 control dead band in pct INTERNA HUMIDTY SETPNT IN PCT Default 40 RH Range 10 to 90 RH Increment 1 RH Set the desired humidity setpoint in RH CONTROL DEAD BAND IN PCT Default 2 0 RH RA Range 0 to 5 RH Increment 0 1 RH Set the desired control dead band CONTROL PROP RANP IN PCT Default 5 0 Range 1 to 10 Increment 0 1 Set the desired control proportional ramp CONTROL INTEGRA RANP IN PET Default 5 0 Range 1 to 10 Increment 0 1 Set the desired control integral ramp www neptronic com Page 18 neptronic Multi Steam SD HD Installation Instructions and User Manual 18 HIGH LIMIT SENSOR Default Digital On Off Range Disable Analog Digital On Off Network Select the desired type of high limit sensor from the available options This option is available only on SKDESC MB and SKDESC MD models If you selected Digital go to Step 23 High limit max demand in pct If you selected Disable go to Step 24 end of season delay in hr 19 HIGH LIFT SETPNT IN PCT Default 80 RH Range 10 to
20. esponsibility 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 www neptronic com Multi Steam SD HD 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 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 component
21. fault 1 Range 1 to 246 This option is available only on SKDESC MB and SKDESC MD models Select the desired address www neptronic com Page 20 Je 33 34 35 36 31 368 35 neptronic Multi Steam SD HD Installation Instructions and User Manual ADJUST 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 NETUORA PARITY Default None Range None Odd Even This option is available only on SKDESC MD model Select the desired parity control from the available options NETWORK STOP BITS Default 1 Range 1 2 This option is available only on SKDESC MD model Select the desired network stop bits NETWORK FALLBACK TINEGUT 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 7 Control Mode Set the desired network fallback timeout NETUORA FALLBACK SETPOINT Default 0 0 Range 0 to 100 Increment 0 1 This option appears if you ve set one of the inputs to Net at Step 7 Control Mode Set the desired network fallback 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 7 Control Mode Set the desired network fallback
22. information display only This option appears only if you ve selected ON at Step 12 Externa Humidty Setpnt Displays the setpoint reading in mV HIGH LIFT INPUT SIGNAL IN AV QI Default No default information display only This option appears only if you ve selected Analog at Step 18 High limit sensor Displays the high limit sensor reading in mV 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 7 Control Mode Displays if the demand is open or closed www neptronic com Page 22 48 45 50 SI Se neptronic Multi Steam SD HD Installation Instructions and User Manual AIR FLOW INPUT STATE Default No default information display only Range INACt closed ACt open Displays if the air flow switch is open or closed HIGH LIMIT SWITCH INPUT STATE Default No default information display only Range INACt closed ACt open This option appears only if you ve selected Digital at Step 18 High limit sensor Displays if the high limit switch is open or closed INTRLCA INPUT STATE Default No default information display only RA Range INACt closed ACt open Displays if the interlock is open or closed MICRO TEMPER O Default No default information display only Displays whether the microcontroller temperature is in C o
23. lustration 15 Float and Thermostatic Steam Trap Installation Installing Float and Thermostatic Steam Trap e The Multi Steam SD HD system requires installation of at least one float and thermostatic steam trap Install it downstream the temperature sensor e Connect the float and thermostatic steam trap inlet to the temperature sensor using a single nipple Connect the float and thermostat steam trap outlet to the condensate return line e The distance between the temperature sensor and the steam trap should be between 5 and 7 100 175 mm 6 152 mm Illustration 16 Correct distance between Temperature Sensor and Steam Trap e Connect a float and thermostat steam trap or a P trap to the header condensate outlet www neptronic com Page 12 neptronic Multi Steam SD HD Installation Instructions and User Manual Stage 6 Strainer Installation A Any installation work must be carried out by suitably qualified personnel ee a a Stage 6 Strainer
24. nd measured in kg hr or Ibs hr e CONTROL GUTPUT Current output measured in kg hr or Ibs hr 3 3 Temperature Levels The following temperature level is displayed e SEPARAT TEMPER Separator temperature measured in C or F www neptronic com Page 25 Installation Instructions and User Manual kr neptronic Multi Steam SD HD 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 Multi Steam SD HD piping Electrical e Confirm that 24Vac is present between tab 1 amp 4 of terminal block TB5 on the SKDESC M Steam Controller Drain if required e f there is a steam trap on the header confirm that the drain piping is properly connected with a pitch of least 1 5 mm per 40 1m There is no header on the single tube channel configuration and therefore there is no steam trap on the header Steam Supply e Ensure that the steam supply is on e Ensure that there is no leakage on the steam piping when the steam supply is on Controls e Ensure that a high limit duct humidistat is installed properly connected to the SKDESC M and the setpoint is properly adjusted e Verify that the room humidistat or returned air duct humidistat is installed pro
25. ngly 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 M DI4 ON w Interlock 4 Hi Limit Contact opening alarm and unit shutdown 3COM 2 DI3 ed lt High Limit digital Commot 2 PD Switch Contact opening alarm and unit shutdown 1 Demand Contact closure Override and force 100 demand GON ev 7 po V Je DGC N PD Switch On Off a Oma 5 D n O ne Z Network available z steam Control Valve Actuator ONYON SKDESC MB VEG com eam Control Valve Actuator or SKDESC MD AM060 ESC gt OG our as Tos av OUT B Ts Common 1 QD Q COM ed amp 24 Vac 2 24 Vac__ 2avac T02 OG COM em Control Signal 3 O Control Valve Signal _ DO AO1 o gt ev w com T1 OAS Not used 4 O Common OO E O m 24VAC Not used 5 O i DO Ave z 9 External Demand Setpoint IO Aan B N PO COM gt 0 10 3 D NC Volts Room Humidity Sensor OO Ala e E gt J S lt KCOM ed a Steam on Relay Status EE ua 2 AI3 Os High Limit Humidity Sensor O gt U nu og m NO M N De CO
26. perly connected to the SKDESC M and the setpoint is properly adjusted e Turn on the power at the disconnect switch e Confirm the control setup of the humidifier The humidifier is factory set with EXTERNAL control setup 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 www neptronic com Page 26 Installation Instructions and User Manual Ae neptronic Multi Steam SD HD Start Up Procedure Start up Proceed to start up the humidifier as follows Make sure that the steam is supplied to the Multi Steam SD HD Switch on the SKDESC M 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 M Control Mode to Internal step 7 and the Externa Humidty Setpnt to OFF step 12 Then adjust the setpoint to a higher value than the room humidity reading operation mode B Once the temperature is high enough the control valve will open slowly The start up is complete and the humidifier is now functional Safety Test Check for steam or condensate leakage while the humidifier is in operation Check the location of the air flow switch in th
27. r F mode PCB TEMPER O Default No default information display only Displays whether the PCB temperature is in C or F mode www neptronic com Page 23 neptronic Multi Steam SD HD 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 AN is displayed along with the all the alarms and notifications Display Indicates that the air flow sensor is not detected NO AIR FLOW ALARM 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 NALT at Step 27 runs while service alarm control valve is closed isolating valve is closed alarm relay is activated SERVICE UNIT ALARN Indicates that the inter lock is activated control valve is closed isolating valve is closed alarm relay is activated Indicates that either the separato
28. r 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 control valve is closed isolating valve is closed alarm relay is activated 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 24 E neptronic Multi Steam SD HD 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 levels are displayed e HUMIDITY SETPNT IN PCT Humidity setpoint in RH e ROON HUMDTY IN PET Room humidity reading in RH e HIGH LIMT HUMDTY IN PCT Duct sensor reading in RH Control Parameters The following control parameters are displayed e CONTROL DEMAND IN PCT Current demand of the total system capacity measured in e CONTROL GUTPUT IN PCT Current output of the total system capacity measured in e CONTROL DEMAND Current dema
29. s under warranty 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 28 A neptronic Multi Steam SD HD Installation Instructions and User Manual Notes Notes neptronic 400 Lebeau blvd Montreal Qc H4N 1R6 Canada www neptronic com Toll free in North America 1 800 361 2308 Tel 514 333 1433 Fax 514 333 3163 Customer service fax 514 333 1091 Monday to Friday 8 00am to 5 00pm Eastern time
30. simple configuration options and factory configured settings It controls the sequence of operations to optimize energy efficiency and prevent condensate ejection The following are the features of the Multi Steam SD HD and their functions e Multi Steam Distribution System The steam dispersion grids are made with stainless steel 1 3 8 The Multi Steam Distribution consists of multiple vertical dispersion grids mounted on a single horizontal header Upon a demand for humidity the ESC controller slowly opens the steam modulating valve feeding steam to the dispersion www neptronic com Page 4 Installation Instructions and User Manual AP neptronic Multi Steam SD HD www neptronic com grids through a single horizontal header The steam escapes the dispersion system through multiple eyelets on the vertical grids and mixes with the airflow to maintain the desired humidity level The Multi Steam SD HD is the most energy efficient steam injection system and provides drain free operations X Stream Technology The Multi Steam HD comes with X Stream technology a high efficiency insulated steam distributor that enhances the functioning of the humidifier and reduces energy wastage up to 85 airstream heat gain and generated condensate Steam Separator Constructed with stainless steel the separator supplies condensate free steam to the steam control valve and discharges condensate to the steam trap Control Valves The
31. tion Instructions and User Manual Installation Overview A All installation work must comply with local regulations All work related to the installation of the Multi Steam SD HD 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 Multi Steam SD HD and associated components there are no specific tooling requirements Installation Method Statement Stage 1 Steam Dispersion Grids and Header Installation Stage 2 Steam Control Valve Installation Stage 3 Steam Separator Installation Stage 4 Temperature Sensor Installation Stage 5 Float and Thermostat Steam Trap Installation Stage 6 Strainer Installation Stage 7 Electronic Steam Controller SKDESC M STAGE 2 en oe OG WW tl SEPARATOR ep INSTALLATION Gen STAGE 1 ur n STEAM DISPERSION GRIDS O a gt hy KM STAGE 7 zz SKD dl EE STAGE 5 FLOAT AND THERMOSTAT STEAM TRAP TAIT INSTALLATION STAGE 6 STRAINER INSTALLATION TEMPERATURE SENSOR INSTALLATION Illustration 3 Installation Stages Overview www neptronic com Installation Instructions and User Manual A neptronic Multi Steam SD HD Stage 1 Steam Dispersion Grid and Header Installation General Considerations A Any installation work must b
32. ts 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 available in two configurations e Multi Steam SD Standard e Multi Steam HD with X Stream Technology The Multi Steam HD is combined with X Stream a high efficiency insulated steam distributor that increases the performance of the humidifier and provides an ideal solution for atmospheric and low pressure steam applications The Multi Steam SD Standard is the standard variation that offers all the unique features of the Direct Steam Injection Humidifier except the X Stream technology The following illustration indicates the difference between the X Stream and standard steam distributor Multi Steam SD Multi Steam HD Standard Distributor with X Stream Technology e Standard steam distributor e 100 double wall 304 stainless e Header with built in slope steel with encapsulated Armacell UT Solaflex foam insulation e Patent pending engineered eyelets Illustration 1 X Stream and Standard Steam Distributor The Multi Steam SD HD is controlled by an Electronic Steam Controller SKDESC M 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
33. vnnvnnnvnnvnnnvnnnvnnennnvnnvnnnvnnennnvnnnvnnsnnee 10 Illustration 10 Tilt Angle Steam Control Valve rrrarnrnnannrnnnnnrnnnnrrnnnnernrnnernnnnnernnnnrnnnnsrnnnnsrnnnnssnnnnssnnnneene 10 Illustration 11 Steam Separator Installation rrrrarrrnnanrrrnnnnrnnnnernnnnernnnnnrrnnnnernnnnrnnnnsrnrnnnsrnnneernnnseennneene 10 MENN 11 il straton 3 noe NAN are 11 Illustration 14 Temperature Sensor Installation rrrrarrrnnnnrrnnnnnrnnnnernrnnernnnnnernnnnrnnnnernrnnsrnnnnnernnnseennneene 11 Illustration 17 Float and Thermostatic Steam Trap Installation rerronrrrronorrnnnnrrrnnnrnrnnrrrnnnrrrnnnsernnneeernne 12 Illustration 18 Correct distance between Temperature Sensor and Steam Trap rrrrrnnnrnnnnrrnnnnnernnnnnnnne 12 Illustration 19 Strainer Installation rrorrrrnnrrrrnnnrrrnnnnrrrnnrrnnnnrrnnnnnernnnsrnrnnsrnnnnsrnnnnsennnnevnnnnevnnnnennnnusennnneene 13 www neptronic com Page ii Installation Instructions and User Manual E neptronic Multi Steam SD HD Contents Teve 4 FUNN 4 FT UMUC CLUDING PC KINE He 6 Mondine anA DPE EEE EE EE A eameuakuacetemtonseyeateneogvesmet enue 6 UTI NV EEE EEE EEE E A AN T 6 EEE ve 1 OE TE EE etbamaibacarsantec wastlaicedetond eatceuneeeneanneteupess 7 Installation Method STALE smescesssssavsctnaencavesccnanerabedsacanciveseitenasendjerias tumesessensananesebenaedumcidenebaanesendbecacdsmeds 7 Stage 1 Steam Dispersion Grid and Header Installation
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