Steam Humidifier SK300 series
Contents
1. the top of the duct Minimum distance lllus 10 4 2 2 Recommendations for SAM distribution pipes Maximum om A Capacity Outlet Distribution pipes Maximum Model Diameter ped en static pressure Ib hr kg hr Qty pro EE A In in in in of Pa mm mm mm water SK302 6 2 7 12 24 SK304 12 5 5 300 600 SK306 18 8 1 3 SK310 30 14 gt 35 24 48 SK314 40 19 600 1200 5 1245 SK320 60 28 SK330 90 41 2 32 64 SK340 120 56 2 750 1500 SK360 180 82 3 51 Note For higher static pressure please contact the manufacturer neptronic SK300 Humidifier User Manual 4 2 3 Placement of steam pipe in horizontal duct 1 35mm diameter pipe Y 6 minimum i A 150mm BA 10 minimum 10 minimum 250mm A 250mm 3 minimum d 4 3 H 80mm i ae 4 gt 200mm 1 pipe Illus 11 2 pipes Illus 12 2 51mm diameter pipe t t y 2 5 H al LN 1 2H f QU CO j H N M 24 minimum _ 36 minimum H 600mm N 900mm L d 1 5 H n WP Y Y D AD gi 200mm 2 pipes lllus 13 F J m 250mm 3 pipes lllus 14 TY 250mm Note 2 51mm steam pipe must be supported on the end by appropriate duct hanger or strap supplied by others neptronic SK300 Humidifier User Manual 4 2 4 P2. 2 1 1 OI M Et 2 1 2 Option BACnet network communication 3 1 3 Defifition iii T LL ELL EL LANA cilea 3 2 CharacteriSticS M aaa iaia 4 2 1 Dimensions amp WIGHT sadza cai lui Lune A lin eli ol Leila iui anice 4 2 2 Option Weather proof enclosure general dimension and weight 5 2 3 Output and power Gonsumpilon sisese sareeriarner oekin saai Eoin ne erR EEAS E aia Eea eE EERE RORA AEE IEN SERRE A ERN iE A SAAE EDERSE 6 3 Mechanical installation uinii iii iii 7 Fil General recommendations aiar 7 3 2 POSHIONING mM Em 7 3 9 Wall MOUNN p 7 3 4 Weather proof enclosure unit positioning and mounting esses eene anawa aaa nnne nennen aaa nnne nnne 8 4 Steam dispersion system selection and positioning 1 1 s ssssssss ares nne aa szan az esee aa ane nenne nennen nennt 9 4 1 Steam dispersion system selection iii 9 4 2 Positionning of S A M or GAME RR 11 5 Steam output Connection m 14 5 1 TypicalinStalalon seeda RO A os aap bn 2k ili siii plain li elia een ii el iii iu 14 5 2 ET ee EE 14 5 3 Installation of S traps on the steam line iii 14 5 4 Position OF steam QUPUT E 15 5 5 Installation of humidifier with Space Distribution Unit GD 16 6 Plumbing feierte L
3. C a ESS Steam outlet 7 f A Alphanumeric i Heat sink for display window b modulating units only Supply water 1 2 NPT A 15mm ZA Power supply 0 knockout hole oo Electrical control i a knockout hole Y c Main drain 3 4 20mm 2 Pan drain 1 2 15mm Illus 2a Dimensions of the cabinet inch mm Model P B C Weight Ib kg Empty Full of water SK302 28 5 25 8 11 3 66 79 SK304 724 655 287 30 36 SK306 SK310 SK314 34 5 29 8 13 3 95 144 SK320 876 757 338 43 65 SK330 SK340 34 5 40 8 13 3 165 260 SK36U 876 1036 338 75 118 SEE Yer 5 SK300 Humidifier neptronic BRELA 2 3 Output and power consumption Steam Consumption Steam Output Model Capacity Power Amperage A aty Diameter Ib hr kg hr KW 240 1 2081 208 3 480 1 480 3 600 1 600 3 inch mm SK302 T 2 85 10 45 35 1 GE SK304 ce 4 17 19 115 85 5 7 4 1 GE SK306 E 6 26 30 165 13 72 105 6 1 GE SK310 1 10 28 12 10 1 32 SK314 5 135 38 165 135 1 GE SK320 28 20 25 20 2 A SK330 v 30 36 30 2 aa SK340 40 50 40 2 a SK360 o 60 72 60 3 SR Available please consult factory Option e On modulating humidifier the maximum steam output can be programmed with the function LOCK ON in Program
4. 17 6 1 Ee 17 6 2 Drainage ed eegene O O ZE lisa 18 6 3 Weather proof enclosure plumbing connection iii 18 T Power Supp COMMCCHIONS oi vices ae CEE 19 8 Low voltage control connections 22 ss sssssses same ea enea aa anna aaa enter aan nnnm aa am aa ama aaa aa ama aaa aa az aa aa aa aaa AAAA 20 8 1 ENEE EE ee EE eene 20 8 2 Mo d lating e erte EE 20 8 3 Common Alarm GonnectiohS lt ia aiar lei 24 8 4 Controls Placement steam dispersed into a duct or AH 24 9 Front panel display features ii eege Ee EE 25 9 1 Description display Modes iiialii ali alain lai lalla alal alain 26 9 2 OE POR I 28 10 Co ntrolp c Board eiert 29 TOT MAND DCN E mezo a iaia Aa anca 29 WIEN MOGUIALING D C SOOBIC ERE ARN 29 IEEE S CluPDNetil 30 TEE eege iaia EN I2 EE 31 12 2 ee een EE 31 13 Exploded view amp Bill of Material riii 34 CES ME 4 2 91 RUIT 34 13 2 Bill Ol Materials sin ceili oii ele nade ed ep AE LL ee ceed 35 14 Trouble shouting guide core oerte bian 37 General condition of Sale A Warranty semen en he he ee hehehe reete reser ne 40 7 PRESE Yer 5 SK300 Humidifier neptronic Li 1 Presentation Thank you to ha
5. limit High voltage power Low voltage control terminal block E terminal block Illus 33 8 2 Modulating Humidifier 8 2 1 Humidity control by humidistat external mode Connection to HRO20 humidistat or HRO20 with remote humidity sensor SHR10 or SHC80 p HRO20 HRO20 humidistat humidistat SK300 SK300 i Control terminal Control terminal block wiring A block wiring A E 4 E y e e ee e Loue cade elelelele COM 1 LI 24 VAC D COM 60 24 VAC RH LI S RH input High limit Pressure Differential switch me 2 MOD igh limit Pressure Differential switch RH L sil ell7 8 9 Lslejf7 8 9 Illus 34 20 SK300 Humidifier ne ptro NI C User Manual 8 2 2 Humidity control by humidifier internal mode Humidity controlled by humidifier using SHR10 or SHC80 as space sensor SK300 Humidifier SHR10 or SHC80 1 COMMON Gh 2 24 VAC OR VDC To Term 6 3 0 10 VDC OUTPUT Illus 35 VAV system with humidity controlled by humidifier using SHC80 as Hi limit duct sensor and SHR10 or SHC80 as space sensor SK300 Humidifier SHC80 To Term 3 1 COMMON D To Term F D 2 24 VAC OR VDC SHR1 0 To Term 4 Or SHC80 24 VAC OR VDC 2 D 3 0 10 VDC OUTPUT Note when SHC80 is used as Hi limit Duct sensor control signal jumper sho
6. Default 100 rated output when at full demand Note Any changes made in the Program Mode are saved into a non volatile memory When the humidifier is anywhere in the Menu Driven Program Mode the normal operation of the humidifier is halted To resume normal operation exit the menu program mode by pressing the button until the alphanumeric display is clear This happens after step 7 28 SEE Yer SK300 Humidifier neptronic ai 10 Control p c board The Printed circuit board designated PCB970819 is common to all SK300 series humidifier ON OFF or modulating this pc board is equipped with an advanced microprocessor which controls all the humidifier functions The Printed circuit board which is directly connected onto the main pc board is installed only on modulating model suffix M 10 1 Main p c board e There are 3 water level L E D s in the upper right hand side They indicate the relative water height as sensed by the water level sensor ERAREREA o IfHl is illuminated water supply valve shuts off o If LO is off An evaporation chamber filling is EJ HI ordered water supply valve opens C LO o If LA is off No water is detected by the water level sensor the power to the elements is shot off e The 3 status L E D s at the center left side operate as follows o FILL indicates that the water supply valve is feeding water o DRAIN indicates the drain pump empties the container o CONT indicates that
7. displayed on the alphanumeric display 1 For 100 the indicator will be lit with no blink O There is no steam being produced Switch AUTO OFF DRAIN Position AUTO I AUTO Humidifier will generate steam based on demand from the humidistat Position OFF O Humidifier will shut off Position DRAIN DRAIN Humidifier will stop operating and the evaporation chamber will drain the water out This will be done tipically at regular service Indicator DRAIN Drain pump is on whether as a result of an automatic 8 zO drain cycle or because the front panel switch is manually set to DRAIN O Drain pump is off blinking 7 OFF NNNNNNUNN I lllus 51 25 ne ptro n C SK300 Humidifier User Manual 9 1 Description display modes 9 1 1 OFF Mode When the rocker switch is in the OFF position the display shows the model of the NEP 3 4 humidifier and the program version number SK310M Illus 52 9 1 2 Scroll Mode When the rocker switch is in the auto position the display scrolls the following information every 6 seconds Display Description Comment RH 259 Only on modulating humidifiers suffix M 5 Display Space and P If no High limit Duct sensor is installed second line is DCT 68 Relative Humidity readings left blank lb hr Quantity of steam produced l e The actual output of the humidifier at that 30 by the humidifier moment is 30
8. e Any discrepancy damage or breakage should be reported in writing both to NEP and to the Carrier within 5 working days from the receipt date Risk From the moment of delivery the purchaser shall bear all risks for the goods and NEP shall not be responsible for loss and damage incurred during transportation Delivery time e Delivery time is stated approximately and depends on the product ordered please allow a minimum of a 2weeks for processing North American order b 6 weeks for processing International order e We will make every effort to adhere to our delivery promises but will not accept order or contract cancellation or any liability for any direct or indirect losses that may arise for any reason whatsoever as a result of our failure to adhere to such promises SK300 Humidifier General conditions of sale amp warranty 10 Return of good 11 12 e Goods received by the purchaser cannot be returned unless a completed R M A Form Return Material Authorization Form has been issued by NEP s Customer Service e Any returned goods must be sent to NEP 400 Lebeau St Laurent Quebec HAN 1R6 CANADA unless stated otherwise by the R M A Form accompanied with the completed R M A Form the R M A number shall be prominently displayed on the shipping box Unauthorized returns will be refused e Any returned goods must be sent freight prepaid Any goods that come to us freight collect will be refused and ret
9. High limit humidistat Illus 50 24 IC SEE Ve SK300 Humidifier neptronic iii 9 Front panel display features Alphanumeric Display 1 Indicates all operation parameters and the error messages see section 14 Trouble shooting Push button EN M ang W M button 2 Used to access into program mode a Up and Down button 1 Used to increase or decrease the controlled vw parameters of the humidifier POWER indicator o The humidifier is powered by electricity and the switch is 3 at the AUTO position O The humidifier is disconnected from the power supply 3 CHECK indicator The CHECK indication is normally off It will go on as a warning against abnormal conditions of operation For 4 ad details consult the Alphanumeric Display 4 see section 9 1 3 Diagnostic mode Oc Maintenance is required The Running hours have 5 blinking exceeded the Service hours see section 12 Service O No abnormal conditions of operation 6 FILL indicator 5 Se Indication that the water supply fill valve is open O Indication that the water supply fill valve is closed STEAM indicator 7 o ON OFF model the STEAM indicator lights when the contactor is closed and steam is being generated Modulating model the STEAM indicator blinks ON 8 6 and OFF in proportion to the percentage of steam gt O output the humidifier is generating The proportion is
10. 2 15mm 3 4 22mm 1 1 1 3 SK304 6 2 9 4 1 dui 165 51 232 105 44 SK310 SK314 7 1 9 4 1 Minimum 184 44 248 105 44 20 Minimum 8 SK320 Minimum building SES 500mm ak SK330 ran of 1 4 40mm gj SK340 7 1 9 4 1 SK360 179 44 248 105 44 illus 29 Please follow the steps described below 6 1 Water supply Water inlet specifications v Inlet water pressure 10 to 70 psig 0 7 to 4 8 gt cai bars v Maximum temperature 85 F 30 C maximum e v 3 8 standard copper water line connection Tv Fill valve A shut off valve not supplied should be installed 1 intern in the water supply line to the humidifier close to the humidifier to facilitate servicing It is recommended to install a standard water strainer in the water supply line Base plate of humidifier Male threaded part of mmm the valve imme gt Ra Swivel top Connect 3 8 copper pipe to the 3 8 braided hose supplied Elbow fitting p n SP 6828 Finger tighten the swivel top 3 4 fitting to the male threaded part of the valve CAUTION RISK OF DAMAGE TO THE VALVE DO NOT USE WRENCH TO TIGHEN SWIVEL H Water supply braided hose 3 8 10mm p n SP 6843 I
11. 3341 SP 3080 SP 3349 240V 1 SW 5938 SP 3310 SP 3100 SP 3312 208V 1 SW 5943 SP3308 SP 3220 SP 3305 208V 3 SW 5933 SP3308 SP 3080 SP 3305 SK306 480V 1 SW 5944 SP 3321 SP 3029 SP 3329 480V 3 SW 5934 SP 3321 SP 3080 SP 3329 600V 1 SW 5945 SP 3341 SP 3029 SP 3349 600V 3 SW 5935 SP 3341 SP 3080 SP 3349 208V 3 SW 5959 SP 3308 SP 3220 SP 3305 SK310 480V 3 SW 5958 SP 3321 SP 3080 SP 3329 600V 3 SW 5957 SP 3341 SP 3080 SP 3349 208V 3 SW 5946 SP 3308 SP 3027 SP 3305 SK314 480V 3 SW 5947 SP 3321 SP 3080 SP 3329 600V 3 SW 5948 SP 3341 SP 3080 SP 3349 208V 3 l i i SK320 480V 3 SW 5950 SP 3321 SP 3100 SP 3352 600V 3 SW 5951 SP 3341 SP 3080 SP 3353 SK330 480V 3 SW 5952 SP 3321 SP 3027 SP 3352 600V 3 SW 5939 SP 3341 SP 3220 SP 3353 208V 3 ii a SK340 480V 3 SW 5950 SP 3321 SP 3220 2x 600V 3 SW 5951 SP 3341 SP 3027 SK360 480V 3 SW 5952 SP 3321 SP 3027 2x 600V 3 SW 5939 SP 3341 SP 3220 2x Available please consult factory 36 neptronic 14 Trouble shouting guide SK300 Humidifier User Manual Problem Indicator Display Causes Corrective actions Power Off E Mea Le lemor e Check for the main power Check Off e The low voltage fuse is Supply Ard MSPS um SES e Check the transformer Humidifier does not open the low voltage iss operate Fill Off e The high temperature ag e
12. 7 N 7 neptronic Steam Humidifier SK300 series HUMIDITY 45 RH ge a wv AAT D Installation instruction 8 user manual READ AND SAVE THESE INSTRUCTIONS SR 7 T _ SK300 Humidifier neptronic Foreword Foreword 1 These installation instructions and operation manual have been developed to facilitate the installation and the operation of the SK300 series steam humidifier The strict application of these instructions will ensure the conformity of your installation and operation as per manufacturer s recommendations The application of these instructions is one of the conditions for the application of the warranty 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 4 This product has been declared to conform to 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 to the manufacturer 5 2013 All right reserved this document cannot be reproduced totally or partially by any mean whether electronic mechanical photocopy recording or other without prior written authorization of National Environmental Products Ltd on Manufacturer Presentation National Environmental Products Ltd NEP is the owner of the brand Neptronic NEP de
13. A M S A M E2 45 T Illus 7 Multi Steam system Illus 8 SAM or SAME2 for vertical ducts are used where the absorption distances are normal and the client requires an economical as well as an efficient solution The Multi Steam system is to be installed in critical locations in air handling systems particularly where absorption distances are very short less than 3 feet 900mm or low air duct temperatures are in effect The Multi Steam is custom made to the dimensions of duct or AHU Instructions to install Multi Steam system are described in a specific installation instructions manual enclosed with the Multi Steam system neptronic SK300 Humidifier User Manual 4 2 Positionning of S A M or S A M E2 4 2 1 Duct mounting Steam manifold should be mounted and secured through the side of the air handling unit or duct Provision should be made for safe accessibility ideally with an observation light and window Check that the construction of the duct wall is suitable enough to support the steam pipe for the duration of the installation life Dimension of hole size in the duct must be as per table below Steam manifold 1 35mm Hole size DA 2 51mm 24 51mm 3 78mm 5 120mm Illus 9 4 minimum 102mm WARNING Risk of condensing Ensure that the minimum distance of the end of the manifold is at least 4 102mm from
14. amp 2 Fowercen e Check if the shut off valve e Humidifier is filling with on the water supply line is bs i Tapeten water and has not reached open p Or Fill On NO or is not reaching the high e Verify the operation of the Humidifier will not LEVEL of the water level sensor fill valve stop draining Steam Off e Humidifier is not filling with eCheck the fill valve i water strainer and the external Drain Off strainer are not blocked i e Verify the quality of the Power un supply water e Verify if chemical products Check Off ATA domino were used to clean the ou evaporation chamber Humidifier is always Fill On FOAMING SI during maintenance on Foam cycle CYCLE po a Rinse with water the e Foaming sensor is Steam Off grounded chamber properly e Check the setting of the Drain cycle Reduce the Drain On time between Drain cycles 37 neptronic SK300 Humidifier User Manual Problem Indicator Display Causes Corrective actions Power On e Service the evaporation Humidfier is Check Blink f chamber see section 14 operating and the eu Of SCROLL ET e Reset the Running hours CHECK light is MODE hours to cancel the blinking of blinking Steam On BEN the CHECK light see Drain Off section 9 2 STEP 5 e Verify if the humidifier was Power On e The electronic temperature operating below the sensor inside t
15. button to reach step 5 the RUNNING message will appear e Press and hold the TEST button located on Main Pc board Set point RH origin inside electrical compartment for 10 seconds e Release the TEST button then press the RESET button on the same main pc board Set point is now displayed on the Gi SETPOINT GE set point to humidifier display o OUT 30 Int Internal If Output is selected the set point is sent from the humidifier to the Value from 00 to 100 humidistat HRO20 Default Out 30 If SHR10 or SHC80 is connected with humidifier please select Internal this will allow you to set up RH set point directly from Humidifier To switch between Output and Internal Set point Press and hold the TEST button located on Main Pc board inside electrical compartment until the change of the value If Set point VAV is disabling no humidity signal from the VAV Duct Set point VAV allows Hi limit Will be considered If a Set point VAV value is set the humidity Duct humidity control output will be controlled by both space and High limit duct humidity signal ETPOINT igi To allow Set point VAV value e a ni pos kd RRE Press and hold the TEST button located on Main Pc board inside p E MER electrical compartment until OFF is disappeared 6596 High limit Duct humidity set point value You can then select the VAV Set point value desired by using J amp Default OFF v buttons on control panel Note This Step will appear only if Internal has bee
16. less than 3 feet or 900mm 1 3 4 S A M Steam Absorption Manifold Steam manifold adapted to air duct size to allow steam absorption in relatively short distance less than 5 feet or 1500mm 1 3 5 S A M E2 Steam Absorption Manifold with 2 Eyelets Steam manifold with two eyelets adapted to application with restricted air duct dimensions to allow steam absorption in relatively short distance less than 5 feet or 1500mm spazi Yer SK300 Humidifier neptronic JAGA 2 Characteristics SDU Space Distribution Unit option Steam Humidifier WANN IT Kei D H HHN al Illus 2 2 1 Dimensions amp weight Dimensions of the cabinet inch mm Option SDU Model Weight Ib kg WEM A B C D E Full of Empty Water Ib kg SK302 anata 23 18 11 5 29 44 57 SDU 1 597 470 292 140 737 20 26 20 9 SK306 SK310 28 21 12 6 35 66 115 SDU 2 APE 724 533 318 165 890 30 52 25 11 SK320 28 21 12 12 41 66 115 SDU 3 SK330 724 533 318 324 1048 30 52 45 20 SK340 31 32 12 i i 110 205 i BEDS 794 813 318 50 93 neptronic SK300 Humidifier User Manual 2 2 Option Weather proof enclosure general dimension and weight
17. power is supplied to the elements and the humidifier is producing steam e TEST button should be used when commissioning the humidifier this will initiate a preprogrammed start up cycle The start up cycle cleans the supply water and the evaporation chamber see section 11 start up This button enable also the set point control of the humidistat to humidifier display see MODULATING section 9 2 Programming this is available only on Modulating model e RESET button enable the bypass of start up sequence lllus 53 10 2 Modulating p c board e The 3 jumpers at the center of the p c board Control Input are used for proper selection of the incoming control signal See section 8 2 4 Control signals e The 3 jumpers at the bottom of the p c board Humidity Input are used for proper selection of the incoming humidity signal See section 8 2 3 Humidity signals 29 spazi Yer 5 SK300 Humidifier neptronic ai 11 Start up procedure We recommend to strictly following this start up procedure in order to avoid any anomaly resulting from wrong cleaning of the components In case of problem or discrepancy see section 14 Trouble shouting guide 1 2 Make sure that mechanical electric and plumbing connection are done and secured Make sure that low voltage control circuit is done and correct Turn on the water shut off valve outside of the humidifier and check that the drain c
18. product or component shall be returned in accordance with the paragraph 10 Returns of goods as described in this document e NEP agrees under the warranty to repair or replace at the discretion of NEP such standard product or component which upon examination by NEP are found to be defective e Product or component replaced or repaired under warranty will be sent back to the purchaser standard freight paid by NEP e Expenses in connection with travelling time dismantling and mounting shall not be paid by NEP e Guarantee for products or components sold but not manufactured by NEP is only given to the same extent as given to NEP however not exceeding the normal NEP warranty e 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 repair made after the original warranty period at the NEP facilities are warranted for 1 month from the date of repair Proper law and jurisdiction This contract is and shall be deemed to have been made in the province of Quebec CANADA and shall in all respects be governed by the province of Quebec laws 40
19. 06 Unlatch the 3 latches located around the evaporation chamber caution these latches are very tight we recommend you to help you with a screwariver or pliers to do this o Model SK310 to SK360 Turn the latches of the 4 or 8 latches located around the evaporation chamber e Remove the cover from the evaporation chamber 31 SK300 Humidifier 5 ne ptro NI C User Manual 8 Cleaning of the evaporation chamber Pour out any remaining water and scale that is on the bottom of the container To clean out the remaining scale from the container use a stiff brush synthetic filament only and some vinegar or any weak acid for cleaning stainless steel WARNING The use of wire brush or any non recommended acid will void the warranty If the amount of scale to remove is very important the service demand frequency is too low for the quality of supply water you should then adjust this service demand frequency see section 9 2 Programming Too much scale may impair the normal operation of the humidifier or damage it in this case warranty will be voided 9 Cleaning of the other components The components installed on the cover heating element and water level sensor and the cover itself should be cleaned as necessary only if some scale has been accumulated on them Proceed as per the cleaning of the container step 8 Removing and cleaning of the water level sensor A chamber protects the water level sensor Cleaning of the senso
20. Check the high Power Cu WD EPPEN tem iu C the Steam Off e Wires harnesses inside the e hamessas and the humidifier are not secured i Drain Off properly Main pc board Power On e The rocker switch is at the e Press the rocker switch to m Check Off OFF position the AUTO position A net Fill Off NEP 3 0 e Wire harness from the LED eCheck the white color wire Power On St Of SK310M display panel to the Main harness cam pc board is not secured e Press the RESET button Drain Off properly on the Main pc board f e Modulating humidifier no PAWAR UN analog signal e Verify the setting of the i e On Off humidifier no humidistat Humidifier does not PASSERI demand from humidistat or e Check the fan operation produce steam Fill Off NO air flow is not detected by e Check the operation of the No Demand i DEMAND air pressure switch or high high limit humidistat Steam Off limit humidistat is open e Verify the connections of e Control wires are not the wires to the control Drain Off properly secured to the terminal blocks i terminal blocks e Power On e Air flow is not detected by e Check the fan operation ua oe Check Off air pressure switch or high eCheck the operation of the Safety Open Fil Of SAFETY limit humidistat is open high limit humidistat Modulating OPEN e Control wires are not e Verify the wires to the humidifiers only Steam Off properly secured to the control terminal blocks 1 Drain Off terminal blocks
21. Ib hr ALARM Below this water level the humidifier shuts off and LEVEL Low water level the water supply valve is activated until sufficient level is reached 9 L S E ii Water level is controlled The water supply valve is activated below this level HIGH f LEVEL Water at maximum level The water supply valve is automatically deactivated 26 neptronic SK300 Humidifier User Manual 9 1 3 Diagnostic mode When the following conditions occur the diagnostic messages override the scrolling information Display Description Comment Modulating humidifier No analog signal to the humidifier NO Na deniand On Off humidifier Humidity level has exceeded the DEMAND set point of the humidistat or humidity level has exceeded the set point on the high limit humidistat or airflow is not detected by the air pressure switch SAFETY Humidity level has exceeded the set point on the high OPEN Safety open limit humidistat or airflow is not detected by the air pressure switch modulating humidifier only DRAIN CYCLE Drain cycle The humidifier is in the automatic drain mode CONTACT Cate 15 second delay for the power contactor to be DELAY activated OVER The temperature inside the container has exceeded Overheated the boiling temperature The humidifier has HEATED automatically shut off
22. PROBE D f te orobe The water level sensor is not operational The DEFECTE P humidifier has automatically shut off NO LEVE No water Water has not reached the level probe FOAMING AFEC Anti Foam Energy Conservation detects foam CYCLE Drain foam The humidifier drains for a few minutes and returns to normal operation DRN PRO BLOCK Drain or probe block The humidifier drains but the water level does not decrease the humidifier has automatically shut off Verify RH Sens Verify RH sensor Signal from either SHR10 or SHC80 used as space sensor is lower than 0 49 Vdc to terminal 6 of humidifier There might be a connection problem or a defective sensor Verify DCT Sens Verify Duct sensor Signal from SHC80 used as Hi limit duct sensor is lower than 0 49 Vdc to terminal 4 of humidifier There might be a connection problem or a defective sensor 27 ic 9 neptronic 9 2 Programming SK300 Humidifier User Manual To enter into programming mode please push button at any time to advance the program function to the next programming step in the menu push the same button twice Unless other instructions you can make a selection by using a amp vj buttons on control panel Step Display Description Comment To enable set point to humidifier display e Press the
23. Seta SK302 to SK306 Illus 55 34 un neptronic SK300 Humidifier User Manual 13 2 Bill of material Item Description Model Part number SK302 to 306 SW CONTSMA ASSY A Container of evaporation chamber SK310 to SK330 SW CONTMED ASSY SK340 amp SK360 SW CONTLAR ASSY SK302 to 306 1 phase SP 4018 M SK304 to 306 3 phases SP 4019 M SK310 amp SK314 SP 4183A B Cover of evaporation chamber SK320 amp SK330 SP 4183B SK340 SP 4186 SK360 SP 4185A SK302 to 306 SP 1008 C Evaporation chamber gasket SK310 to SK330 SP 1021 SK340 amp SK360 SP 1022 D Heater element See table below SK302 to 306 SP 4196 M E Level sensor chamber SK310 314 320 340 SP 4197 M SK330 amp SK360 SP 4198 M F Washer elements SK302 to SK360 SP 1005 G S S hex Jam nut elements SK302 to SK360 SP 2330 H High temperature switch klixon SK302 to SK360 SP 3035 SK302 to 306 SW FOAMSM ASSY I Foam sensor SK310 314 320 340 SW FOAMMED ASSY SK330 to SK360 SW FOAMLG ASSY SK302 to 306 SW PROBSM ASSY J Water level sensor SK310 314 320 340 SW PROBMD ASSY SK330 amp SK360 SW PROBLAR ASSY K Water supply valve SK302 to SK360 SP 6007 SK302 to 306 SW TRAPSMA P L Fill and drain trap assembly SK310 to SK330 SW TRAPMED P SK340 amp SK360 SW TRAPLAR P Sili
24. ate hose to the bottom of the SDU to an open drain Connect the electrical wires from the SDU to the top of the humidifier Field wiring must conform to local codes The fan of the SDU will operate for a period of four minutes after steam production has stopped to prevent condensation Avoid any obstruction of the ventilation openings on top of the SDU Maintenance of the SDU Clean the blower if there is an accumulation of dust Without A additional 18 ventilation 0 45 m 54 1 35 m na SDU mounted on humidifier Illus 26 Without A additional 18 ventilation 0 45 m Field wiring D SDU 94 1 35m gr gt others Field piping 0 10m not supplied 2nd pipe for SDU2 or SDU3 SDU remote installation Illus 27 ne ptro n C SK300 Humidifier 6 User Manual Plumbing connection e CAUTION Water supply installation should conform to local codes and regulations Any installation work must be carried out by suitably qualified personnel e The operation of SK300 series humidifier is independent of variable water conditions with soft or hard water Therefore for normal operation no pre treatment of water is necessary SK300 Humidifier S A x Bottom view lllus 28 2 s Dimensions inches mm HA vedn DA B C D E UTR SK302 1
25. cone tubing 77 SP 1023A M Silicone tubing 34 SK302 to SK360 SP 1023B PCV tubing 7 SP 1027 N Alphanumeric display SK302 to SK360 SW SK300DISPL ASSY O AUTO OFF DRAIN rocker switch SK302 to SK360 SW SKSWITCH ASSY P Terminal block and high voltage connectors SK302 to SK360 Q Cooling fan SK302 to SK360 SP 3007 R Transformer See table below S Contactor See table below 50A SP 3102 T Solid State Relay 90A SP 3103 125A SP 3105 Main printed circuit board SK302 to SK360 NW SK300MAIN TEST V Modulating printed circuit board SK302 to SK360 NW SK300MODULSS SDU SW FANSDU1 RET W SDU fan SDU II SW FANSDU2 RET SDU III SP 3010 X Transformer See table below Y Fuse inside SDU SDU I and SDU 2 SP 5105 SDU 3 SP 5106 Drain pump SK302 to SK360 SP G4101 35 spazi Yer 5 SK300 Humidifier neptronic ai Model Voltage D R S X Heater element Transformer Contactor SDU Transformer 240V 1 SW 5932 SP 3310 SP 3029 SP 3312 SK302 208V 1 SW 5933 SP 3308 SP 3029 SP 3305 480V 1 SW 5934 SP 3321 SP 3029 SP 3329 600V 1 SW 5935 SP 3341 SP 3029 SP 3349 240V 1 SW 5937 SP 3310 SP 3029 SP 3312 208V 1 SW 5940 SP3308 SP 3029 SP 3305 208V 3 SW 5924 SP3308 SP 3080 SP 3305 SK304 480V 1 SW 5941 SP 3321 SP 3029 SP 3329 480V 3 SW 5923 SP 3321 SP 3080 SP 3329 600V 1 SW 5942 SP 3341 SP 3029 SP 3349 600V 3 SW 5925 SP
26. display item N Power On e Adjust the contrast of the e The potentiometer contrast RNA T Check Off is set at the lowest setting e Verify the connections of Humidifier is e The display ribbon cable is the ribbon cable are producing steam and Fill Off not Brad ur lobe properly secured and on display is blank RD ETA the right side red line on Steam On pis sa display is cable efective Drain Off e Replace the LCD display item N 38 spazi Yer SK300 Humidifier neptronic ii Personal notes 39 ic 9 neptronic 1 General Unless otherwise arranged in writing the acceptance of the Order Confirmation by the purchaser includes acceptance of the General Conditions of Sale and Warranty of National Environmental Products Ltd hereafter referred to as NEP Incoterms The international rules for interpretation of trade terms Incoterms as defined by the ICC Incoterms publication no 460 from 1990 shall apply to the commercial terms used herein Confirmation of Order e NEP shall not be deemed to have accepted an order until written Order Confirmation from NEP is issued to the purchaser e t is the responsibility of the purchaser to verify that all information concerning his her order is correct and to notify NEP In writing of any discrepancy prior to the order being shipped In the event of a change or correction to an existing order a second Ord
27. er Confirmation will be issued by NEP Price e Our prices are net Ex works Montreal in U S Currency unless stated otherwise e Minimum orders shall be 50 00 minimum e Shipping and Handling charges are 5 00 minimum per order unless the shipment is billed to the purchaser s account or shipped freight collect e NEP reserves the right to adjust accepted prices in the event of alterations in rates of exchange variations in costs of materials changes in wages interference on the part of the Government or similar conditions over which NEP has no control Payments terms e Major credit cards C O D Prepayment e For open account invoices are payable within 30 days from the date of invoice without no deduction unless specify otherwise e An interest charge of 2 per month will be included on all overdue payments e No new order will be process if invoices are not paid within 45 days Transfer of ownership The goods shall remain the property of NEP until the full payment for the goods has been received by NEP Delivery terms e Shipments are Ex works 400 Lebeau St Laurent Quebec H4N 1R6 CANADA unless notified otherwise e Unless special instructions the order will be delivery in the way which NEP deems best without guaranteeing this to be the cheapest way of transport e For International Order a written designation naming the freight forwarding agent is required and will remain in effect until notified otherwise
28. he service demand depending on the water quality the frequency of automatic drain cycles and the demand placed on the humidifier The manual cleaning frequency can be from every 2 months to once a year 12 2 Evaporation chamber cleaning WARNING RISK OF BURN THE EVAPORATION CHAMBER AND ITS CONTENT CAN BE EXTREMELY HOT CHECK TEMPERATURE BEFORE HANDLING 1 Coo down evaporation chamber Set the front panel switch AUTO OFF DRAIN to DRAIN The humidifier will command a drain cycle e Ensure that the evaporation chamber is completely empty When it is empty set the front panel switch AUTO OFF DRAIN to AUTO the evaporation chamber will be fill with cool water the FILL light will be illuminated e As soon as the evaporation chamber is full of cool water the FILL light will extinguish Set the front panel switch AUTO OFF DRAIN to DRAIN again e At the end of this drain cycle check the temperature of the evaporation chamber to do so open the front door of the humidifier and touch the evaporation chamber with the back of your hand If it is cool enough you can go the sequence 2 if not repeat the cool down operation until it will be cool enough e Setthe front panel switch AUTO OFF DRAIN to OFF Shut down of the electrical supply CAUTION RISK OF ELECTRIC SHOCK SHUT DOWN THE ELECTRIC SUPPLY OF THE HUMIDIFIER e Turn off the main power supply to the humidifier Disconnection of heating element s e Remove the high voltage co
29. he water standard water level then level sensor had sensed replace the item J Check On abnormal temperature e If connector was removed A e The quick connector to the while powered was still Humidifier is not 2 OVER water level sensor was ON then press on the operaung andine AEG HEATED removed while the main pc board the TEST CHECK light is ON vi pe oc Ia humidifier was operating button until the Drain light Steam Off e The brown wire connected is ON then press RESET to the top left corner of the once Main pc board is not e Verify the connection of Drain Off properly secured the brown wire to the Main pc board Power On Humidifier is not GRE SS PROBE e The water level sensor is e Replace the water level operating and the Fill Off DEFECTED damaged sensor itori CHECK light is ON Steam Off ger Drain Off Power On e During a Drain or Foaming e Verify the drain pump the Humidifier will not SNA On DRN PROB cycle the water level fill and drain water pipe drain Fill Off LOCK sensor has sensed the connection the water Steam Off water level has not level sensor chamber are Drain Off decreased not obstructed Power On eThe following components Check Off can be the cause of this Humidifier does not i problem water level sensor Sg f e Call factory for trouble operate and display Fill Off item J main pc board shiootina instruction is blank Steam Off item U modulating pc 9 i board item V or the LCD Drain Off
30. ideally 24V with a switching current of no more than 3 Amps Common Normally Open Normally Closed Illus 49 8 4 Controls Placement steam dispersed into a duct or AHU Typical humidifier control system should include along with the humidifier e A wall or return duct humidistat e A high limit duct humidistat e Anair proving switch Placement of these devices is critical to proper operation of the overall system e The return duct humidistat must always be located before any outside air intake in order to ensure accurate sensing of the air from the humidified space e Alternatively a room humidistat can be used The room humidistat should be located on an inside wall or column It should not be be near any discharge air from supply ducts or sources of heat or cold e The airflow switch must be positioned to accurately open on a loss of air flow to prevent the humidifier from running when there is no air to absorb humidity e The high limit humidistat must be positioned far enough 6 minimum 1 8m downstream of the steam dispersion manifold s to prevent it from getting wet but still allows it to accurately prevent overhumidification of the duct that could result in condensation S d A Return SHC80 Air flow switch ei umidi sensor Steam dispersion Or room HRO20 manifold humidistat High limit SHC80 for VAV application only va ev
31. l compartment should be accessible in order to permit the servicing Leave a clearance of at least 48 1 25m to the front panel and 24 0 6m to the right side The humidifier should be mounted at a minimum of 39 1m to 48 1 2m above floor level Leave a clearance of at least 10 0 25m under the humidifier for installation of water supply drain piping and electrical connections 3 3 Wall mounting Use the keyholes located on the back panel of the humidifier Before to proceed to the wall mounting take off the Evaporation chamber sub assembly see section 12 Servicing Check the solidity of the chosen support or wall bricks concrete stud partition wall etc on which the humidifier will be mounted Drill holes for the upper anchors holes with eyelet into the support or wall as per dimensions specified in the table illus 4 The holes dimensions diameter and depth should by in accordance with the recommendations of the chosen anchors Install then bolt anchors if required Screw on the 2 or 3 upper screws holes with eyelet of a minimum diameter of 10 6mm screws are not supplied Leave a clearance between head screws and wall in order to permit the mounting of the humidifier Use the keyholes located on the back panel of the humidifier Hang on the humidifier to the 2 or 3 screws it is preferable let the front door open during this operation According to the size and weight of the humidifier you may
32. lacement of steam pipe in vertical duct Eyelet orientation 3D view Illus 15 1 35mm diameter pipe w 10 minimum 250mm gt 1 2W D D D m o 1 pipe lllus 17 S A M S A M E2 Illus 16 Ww 24 minimum 600mm 1 4 W 2 pipes lllus 18 2 51mm diameter pipe w 24 minimum 600mm U4W gt lt 12W gt lt 1 4 W 2 pipes lllus 19 w I 4 36 minimum 900mm 1 6 W gt 13W 13W 4 1 6 W I fr fr 10 0 0 4 0 0 u 0 0 10 0 0 10 0 0 jt 0 0 I I I 3 pipes lllus 20 ne ptro n C SK300 Humidifier User Manual 5 Steam output connection 5 1 Typical installation Clamps Flexible hose Rigid copper pipe Insulation Steam distribution manifold Duct Long radius copper pipe Va Humidifier oci RO NP ch Illus 21 5 2 General recommendations Please follow these general rules of installation in order to avoid any static pressure inside distribution pipes and into the humidifier evaporation chamber and also to avoid any condensation accumulation a The slope of the steam hose rigid or flexible should not be less than 15 7 horizontal length for 1 vertical length in o
33. llus 30 neptronic SK300 Humidifier User Manual 6 2 Drain connection e CAUTION Water drain installation should conform to local codes and regulations Any installation work must be carried out by suitably qualified personnel e Drain connection specification Y Evaporation chamber water drain temperature 140 F 60 C v Standard hydraulic compression fittings a evaporation chamber drain and a 77 Pan drain e 2 hydraulic pipes located under the humidifier see Illus 29 must be connected to the drain pipe e Use standard copper hydraulic pipes 34 and 2 e Ensure that the drain pipe dimension is sufficient especially if more than one humidifier is evacuating into the same drain line 6 3 Weather proof enclosure plumbing connection Supply water 1 2 NPT 15mm Electrical control knockout hole Power supply knockout hole m I 3 d t i 2 2 Pan drain 1 2 15mm Power supply knockout hole ech o O Electrical control knockout hole Main drain 3 4 20mm lllus 30a Front view Illus 30b Side view Silicone tubing provided for connection to side outlets Supply water 1 2 NPT RE s 15mm Pan drain 1 2 15mm Main drain 3 4 20mm ne ptr
34. mode WARNING MODULATING HUMIDIFIER MAXIMUM POWER OF THE ELECTRICAL INSTALLATION SHOULD BE IN ACCORDANCE WITH THE ABOVE TABLE DO NOT TAKE ACCOUNT A POSSIBLE REDUCTION OF STEAM OUTPUT DUE TO MODULATION SEE Yer 5 SK300 Humidifier neptronic ai 3 Mechanical installation 3 1 General recommendations CAUTION RISK OF ELECTRIC SHOCK DISCONNECT THE APPLIANCE FROM THE ELECTRIC SUPPLY BEFORE TO PROCEED TO INSTALLATION IMPORTANT Mechanical installation should conform to local codes and regulations Location Plan a location easy to access in order to permit an easy inspection and servicing of the humidifier Do not install humidifier where failure of the appliance could cause damage to the building structure or to costly equipment This location should be well ventilated the ambient temperature should not exceed 85 F 30 C Typically the total steam line length between the humidifier and the steam distributor depends on the steam line material type e For flexible steam hose the total steam line length should not exceed 16 feet 5 meters For longer distances use insulated hard piping e For insulated hard piping the total steam line length should be determined by the humidifier capacity one equivalent foot for each Ib h capacity of the humidifier 0 67m for each kg h with a maximum of 50 feet 15m For longer steam line runs consult factory 3 2 Positioning The front panel and the right side electrica
35. n selected at step 01 Prop Band allows the set up Proportional band can be set from 3 to 9 of the humidity set 03 PROPBAND of proportional band points values Space and High limit duct Select the appropriate value by using J amp LY buttons on control optional 3 From 3 to 9 panel BAY d 3 Default 3 Note This Step will appear only if Internal has been selected at step 01 Drain frequency Choose the initiation of a drain cycle for 1 to 24 hours 04 DRAIN In general harder the water is more often the drain cycle should HRS From 1 to 24 hours be Default 4 Hrs Drain cycle setting does not affect the AFEC system Number of running hours The humidifier has operated 645 hours since the last service 05 RUNNING After service press simultaneously a amp LY buttons for 15 seconds 0645HRS Information only no to reset the number of hours of operation to zero This procedure possible set up will stop the CHECK indicator from flashing Hour span between You can set the number of hours of operation before the humidifier SERVICE servicing will call for service blinking of CHECK light every 4 seconds from 06 400 to 1500 hours 1000HRS From 400 to 1500 hours In general harder the water is lower the number of hours of Default 1000 Hrs operation before service should be LOCK ON Output Span This option is available only on modulating model 07 From 00 to 10096 i e In this case the humidifier will deliver 8096 of its maximum 80 PWR
36. need the help of a second person to assist you When the humidifier is positioned on the upper screws tighten the m screws to secure the humidifier F If applicable install and secure lower screws Front view Illus 4 39 to 48 1 to 1 2 m neptronic SK300 Humidifier User Manual Dimensions inches mm Model A B C D E F G SK302 SK304 SK306 8 202 5 3 16 165 19 516 SK310 SK314 10 254 8 2 24 625 11 276 8 203 10 254 kaz akad 0 254 8 203 625 11 276 8 203 254 22 43 64 SK340 SK360 4 102 12 305 10 265 27 698 11 276 576 3 4 Weather proof enclosure unit positioning and mounting E 20 51cm minimum 24 60cm minimum gt U oi Se gt qii Illus 4a dimensions in bracket are in cm Le 24 60cm minimum gt 0 General The humidifier should be installed in an easily accessible location to allow proper Recommendations access for inspection and servicing of the humidifier The unit should never be installed in a location where unusual malfunction of the unit can cause damage to the building structure or to costly equipment Minimum Clearances Minimum clearances are e Top 20 51 cm minimum e B
37. net ST 4 5 16 4 13 16 SK304 110 122 SK306 Medium Cabinet K L M SK310 _ 4 5 5 8 SK314 102 143 SK320 5 9 32 4 5 5 8 SK330 134 102 143 Large Cabinet N o P Q SK340 7 7 5 3 16 5 11 16 SK360 179 179 132 144 Large Cabinet SK340 O N Large Cabinet SK360 Illus 25 neptronic 5 5 SK300 Humidifier User Manual Installation of humidifier with Space Distribution Unit SDU The SDU should be installed in an environment where the air is relatively clean This will avoid the blower from getting clough with dust The humidifier should be mounted such that the SDU fan section is at least 78 2m above the floor A minimum clearance of 18 0 45m from the ceiling should be allocated to avoid ceiling and wall condensation If additional ventilation is not present the fan should have a clearance from the ceiling of at least 54 1 35m Proper ventilation must be observed to avoid ceiling and wall condensation SDU remote installation The SDU can be in a different location from the humidifier remote SDU Please follow the piping recommendations section 5 2 Mount the SDU to the wall on brackets not supplied do not drill mounting holes thru the cabinet of the SDU Connect the steam hose s to the bottom inlet s of the SDU to the top of the steam outlet s of the humidifier Secure the hose s with the supplied hose clamp Connect the condens
38. nnector located at the top right hand side of the mechanical compartment o Model SK302 to 306 Unscrew the connector o Model SK310 to SK360 squeeze the locking ears of the high voltage connector and pull it apart Disconnection of the other accessories e Disconnect the connector from the water level sensor this connector is attached to a cable that enters the mechanical compartment just below the high voltage connector Squeeze the locking ear of the connector and pull it apart e Remove the connection to the high limit sensor klixon located on the top cover of the evaporation chamber Disconnection of steam hose and water pipe e Remove the steam hose s at the top of the evaporation chamber e Remove the water drain fill connection to the evaporation chamber To do this unscrew the nipple located on the lower right hand side of the evaporation chamber Removing the evaporation chamber e The evaporation chamber may now be freely removed from the humidifier cabinet e CAUTION The evaporation chamber still contains 1 inch of water ensure that you do not reverse this water on yourself e Make sure that your footing is secure when lifting out the evaporation chamber On large humidifier SK340 and SK360 it may weigh more than 35 Ib 15 Kg This operation may require another person to assist you in removing the evaporation chamber Opening of the evaporation chamber e Remove the cover from the evaporation chamber o Model SK302 to 3
39. o n i C SK300 Humidifier User Manual 7 Power supply connections e CAUTION RISK OF ELECTRIC CHOC DISCONNECT THE HUMIDIFIER FROM THE ELECTRIC SUPPLY BEFORE TO PROCEED TO THE CONNECTION e WARNING RISK OF FIRE Do not interchange the power terminal block designated L1 L2 and L3 with Low voltage terminal block designated 1 2 and 3 e The wiring to the Humidifier should be done by a qualified electrician and conforming to the procedure regulation and local codes e Use only coppers conductors e Anexternalover current protection and disconnect circuit breaker should be installed on the supply adjacent to the humidifier e Aknock out not supply should be installed at the bottom of the electrical compartment of the humidifier for strain relief of the supply cable e Ensure that the size of the wire conductors is appropriate for the current supplied e Ensure that each terminal connection is properly secured e The ground conductor should be equipped with ring terminal and should be connected directly to the electrical panel on the indicated location 1 Phase Connection 3 Phases Connection LG PHASE 2 lllus 31 lllus 32 neptronic SK300 Humidifier User Manual 8 Low voltage control connections 8 1 ON OFF Humidifier Humidistat Pressure Differential switch
40. onnections are connected to the main drain line of sufficient diameter Turn on the power to the humidifier from the circuit breaker disconnect The POWER indicator should go on Push the TEST button located on the main pc board This pc board is located in the electrical compartment This will start up a pre programmed start up cycle This start up cycle will test functions of the humidifier and will flush out any dirt in the humidifier and supply lines This cycle will last about 1 hour Note a the front panel rocker switch will not affect the performance of the start up cycle b In the case of modulating humidifier there must be a demand signal of at least 5096 for the start up cycle to operate correctly C To bypass at any time the start up cycle and to proceed directly into normal operation press the RESET button located on the main pc board The front panel rocker switch may be left in the AUTO position during the start up cycle This will result in normal operation of the humidifier as soon as the start up cycle is finished Your humidifier is now fully operational 30 12 7 E 7 SK300 Humidifier Ne ptro NIC User Manual Service 12 1 General The humidifier is set to give service demand on the alphanumeric display and on the CHECK light after is has reached the service hours setting see section 9 2 Programming The routine service is a cleaning of the evaporation chamber We recommend setting t
41. oth sides 24 60 cm minimum e Front 42 107 cm minimum Note Above minimum clearances are indicated for inspection and servicing access The humidifier is designed to be installed directly on the floor roof or a curb Provide a level solid foundation for the humidifier Ensure that the floor roof beneath the humidifier is water proof to withstand any water spillage during servicing or if a problem occurs Attach securely and safely the SK enclosure spazi Yer 5 SK300 Humidifier neptronic iii 4 Steam dispersion system selection and positioning 4 1 Steam dispersion system selection In order to prevent the accumulation of condensation in air ducts NEP has designed 4 basic configurations of steam distribution to provide the client with the most economical solution for any particular application 4 1 1 S A M steam absorption manifold Horizontal duct The SAM is to be installed where absorption distances are short less than 5 feet 1500mm and or low duct temperatures are in effect Illus 5 4 1 2 S A M E2 steam absorption manifold Horizontal duct The SAME2 is to be installed where absorption distances are short less than 5 feet 1500mm and or low duct temperatures are in effect SAME2 are used in applications with restricted duct dimensions Illus 6 neptronic j SK300 Humidifier User Manual S A M or S A M E2 steam absorption manifold Vertical duct S
42. r requires removing this chamber o Unscrew the 2 screws holding the chamber located on the cover o Carefully remove the chamber do not touch or damage the water level sensor o Clean out the water level sensor by using a clean soft cloth CAUTION The water level sensor is covered by a thin lay of Teflon any scratch or damage to this lay of Teflon may provoke failure of the humidifier o Clean or the chamber by proceeding as per the main container see step 8 o Re attach the clean chamber to the cover and screw in the 2 screws on the top of the cover Probe protector Adjustement potentiom eter Terminal connector Compression fitting ba wr Cover of evaporation Gaskets chamber Brass washer TT Nut a Teflon nut b W ater level sensor chamber IMPORTANT Always keep the openings clean water must flow thru A illus 54 32 7 E 7 SK300 Humidifier ne ptro N C User Manual 10 Re assembly of the evaporation chamber Rinse out the container and the cover with water Check the cover gasket and make sure that the gasket is well placed before to re install the cover on the container The water level sensor should be in front of the drain fill connection of the evaporation chamber Tighten the latches around the cover 3 4 or 6 Replace the evaporation chamber in the humidifier Tighten the water drain fill connec
43. rder to ensure continuous drainage of condensation back to humidifier or to steam trap b Total length of the flexible steam hose should not exceed 16feet 5 meters Longer runs will result in added condensation losses Whenever possible use insulated copper piping Flexible steam hose should be used for short runs up to 16ft or 5m or for interconnecting between the rigid pipes c Whenever using rigid copper these ones should be insulated to diminish condensation build up DA erc US 5 3 Installation of S traps on the steam line The lowest point of any steam hose or rigid pipe must be the humidifier If necessary a steam separator S trap should be installed higher than the static pressure of the system by at least 2 51mm fe 15 N Use S separator when ceiling space is limited and you need to create 15 slopes Steam outlet EN SS bi ce Use S separator when the steam distributor is N lower than the humidifier steam outlet lllus 23 Illus 24 neptronic 5 4 Position of steam output SK300 Humidifier User Manual Small Cabinet SK302 304 306 Medium Cabinet SK310 314 Medium Cabinet SK320 330 Model Dimensions inches mm Small l J Cabi
44. solids more than 1 ppm SF DI APPLICATION e Humidifier for system supplied with Deionised water or Reverse Osmosis water dissolved solids more than 0 028 ppm SF ULTRAPURE DI Space Distribution Unit mounted on humidifier SDU or remote installation SDU REM Network communication system BACnet suffix B i e SK320M 600 3B Stainless steel humidifier cabinet suffix P i e SK320M 600 3P Dry contact to activate an external fan relay on a call for humidity SF SK300FANRELAY Option BACnet network communication The SK300 humidifier series is available with the BACnet communication module The following list is a summary of the objects available with this option Humidity demand 0 100 R H Room and duct humidity 0 100 R H Drain and service delay PID adjustment Set point adjustment Humidity and temperature offset Lock On capacity adjustment Actual operating status Alarm indications Consult the BACnet Communication Module User Guide at www neptronic com for additional information Definition 1 3 1 Evaporation chamber Assembly including the metal cylinder and a cover equipped with one or several heater elements It is the heart of the humidifier which produce steam 1 3 2 SDU Space Distribution Unit Integrated steam distribution unit optional on certain humidifiers 1 3 3 Multi Steam system Custom made system of steam distribution This system is designed to allow very short absorption distances
45. tion nipple Replace the steam hose s on the outlet of the evaporation chamber Reconnect the connector of the water level sensor high temperature switch klixon and the high voltage connector of the heating element CAUTION RISK OF FIRE MAKE SURE THE HIGH VOLTAGE CONNECTOR IS PROPERLY LOCKED AN UNPROPER CONNECTION MAY PROVOKE ELECTRIC ARCS 11 Start up of the humidifier Turn on the main power supply to the humidifier The POWER light of the front panel should be illuminated Press the button to enter the programming mode to reset the Running hours see section 9 2 Programming Step 5 Set the front panel switch AUTO OFF DRAIN to AUTO The humidifier will command to fill the evaporation chamber with water the FILL light should be illuminated It is possible that the CHECK light will illuminate because the evaporation chamber is empty This signal will extinguish as soon as the normal condition will be reach If there is a humidity demand the humidifier will produce steam again 33 ne ptro n i C SK300 Humidifier User Manual 13 Exploded view amp Bill of Material SDU Cabinet Plastic gril Steam Trap Assembl gt p M sg L ___ a ME V NW WW im i Evaporation chamber base p SK310 to SK360 S Evaporation chamber base
46. uld be placed on 0 10 Vdc on Modulating PCB see section 8 2 4 of To Term 6 R A gt installation instructions 0 10 VDC OUTPUT 3 Q Illus 36 21 ic 9 neptronic SK300 Humidifier User Manual 8 2 3 Humidity Signals internal mode Terminal Block Modulating Printed Circuit Board Humidity signal 0 10 Vdc 0 10 ver High limit Pressure Differential Humidistat Switch 5 Vdc lllus 37 annnannana nn nna Extra jumper DU E zB Ra 23 8 O HI EJ LO RH SETPOINT L3 LA INPUT SSR CONTROL INPUT eser 4 20mA E TEST 0 10V EMI 2 10V EMI 2 DAL A Jumper on DI CONT p HUMIDITY 0 10V INPUT mn 4 20mA E BH 2 10V ENG aa 0 10V een TOP PCB Illus 40 Humidity signal 2 10 Vdc 2 10 Vcc High limit Pressure Differential Humidistat Switch 5 Vdc Illus 38 Humidity 4 20 mA High limit Pressure Differential Humidistat LI Switch 5 Vdc Illus 39 nanannnnnnnau Extra jumper EMI 2 10V 5 00 10V Jumper on 2 10V TOP PCB MODULATING ETETETETETETETETE Illus 41 DO 2 10V O00 10V Jumpers on 4 20mA amp 2 10V TOP PCB MODULATING Ill
47. urned to sender unless previously agreed to by us in writing on the R M A Form e Goods returned for credit shall be in condition for resale in the original box and properly packaged Units accessories or components that have been installed are not returnable and not refundable Credit is subject to an overhead charge of 3096 of the invoice plus shipping amp handling if returned within 30 days of the invoice date and 50 from 30 to 60 days e Non standard product SK units with special feature Multisteam manifolds and any DI unit are not returnable and not refundable Warranty e 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 NEP s standard product provided the equipment has been properly installed and operated in accordance with NEP instructions e 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 e 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 NEP assumes no responsibility for repairs made on equipment unless performed by NEP s authorized personnel e The defective
48. us 42 22 ic 9 neptronic SK300 Humidifier User Manual 8 2 4 Control Signals Terminal Block Modulating Printed Circuit Board Control signal 0 10 Vdc Extra jumper BREBBREE FI1 2 3 4 eejeee OCL 10V qq B H2 10V e e e e e 2 2 0 10 Vcc Jumper on STEIETSTS 0 10V High limit Pressure Differential Humidistat Switch we A Illus 43 Illus 46 Control signal 2 10 Vdc 2 10 Vcc High limit Humidistat Pressure Differential Switch 5 Vdc Illus 44 4 20 mA High limit Humidistat Pressure Differential Switch 5 Vdc Extra jumper Jumper on 2 10V TOP PCB MODULATING Jumpers on 4 20mA amp 2 10V TOP PCB MODULATING Illus 48 Illus 45 23 SEE Yer SK300 Humidifier neptronic iii 8 3 Common Alarm Connections A volt free contact is provided in the form of both a normally open and normally closed contact that will switch in the event of an alarm on the SK300 humidifier F ee e Wherever possible it is recommended to use the normally closed contact This contact will open in the event of a humidifier fault e These contacts should be used to switch a low voltage
49. ve chosen one of the Neptronic products You have purchased the best and the most robust humidifier for its category 1 1 Overview 1 1 1 List of accessories supplied 2 sets of keys 2 adjustable collars for the connection of the steam hose for each steam output 1 female compression fitting hydraulic for the drain output of the evaporation chamber 1 female compression fitting 72 hydraulic for the drain output of the drip pan 1 female fitting and a braided hose for the water supply connection 1 Installation instruction and operation manual 1 1 2 Overview of the Humidifier Heater element connector Internal Drain Cooler chamber Evaporation chamber Evaporation d chamber So drain pump B Heater element t NI E UC Level sensor ES chamber NI Cu Cu E J E Z S S EK Re Access door to Water supply valve mao mechanical Electrical mpartment compartme Control panel compartment Illus 1 CC SEE Yer 5 SK300 Humidifier neptronic BRELA 1 2 1 3 1 1 3 Options avalaible The following options are available when purchasing a SK300 humidifier e Modulating control humidifier suffix M i e SK320M e Humidifier for system supplied with Deionised water or Reverse Osmosis water dissolved
50. velops manufactures and services a complete line of Steam humidifiers Humidistat among the most precise and the most reliable on the market Actuators to regulate air damper or valves Electric heaters e Thermostats and other control peripherals used to control HVAC equipment For more information about our products visit our web site at www neptronic com Each Neptronic product benefits from over 35 years of experience of our qualified staff From the inspiration to realization innovation has been the standard in design As the result of this dedication NEP Ltd owns several patents notably the ENERDRIVE system and the AFEC system Manufacturing is conducted on the premises of our modern 80 000 sq ft 7 000m facility in Montreal Canada Our quality system is built on the ISO 9001 model Our vision Customer for Life is realized by listening to their needs and by supplying them with products which exceed their expectations in quality functionality and durability National Environmental Products Ltd Tel Toi free 1 800 361 2308 Tel 1 514 333 1433 Fax 1 514 333 3163 Fax Customer service 514 333 1091 Business hours from Monday to Friday 8 00am to 5 00pm Eastern time e SK300 Humidifier Ne ptro NIC Table of contents 7 E 7 Table of contents Foreword and Manufacturer Presentation he e hee he e he en ere re renes i 1 Presentati OM e
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