Steam Humidifier SKE series
Contents
1. Problem Indicator Display Causes Corrective actions Power On e Service the evaporation Humidfier is Check Blink chamber see section 14 operating and Of SCROLL re e Reset the Running hours the CHECK MODE hours to cancel the blinking of light is blinking Steam On the CHECK light see Drain Off section 9 2 STEP 3 e Verify if the humidifier was Power On e The electronic temperature operating below the sensor inside the water standard water level then level sensor had sensed replace the item J Check On abnormal temperature e If connector was removed Humidifier is not e The quick connector to the while powered was still operating and Fill Off OVER water level sensor was ON then press on the the CHECK HEATED removed while the main pc board the TEST light is ON 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 E Power On Humidifier is not Check On PROBE operating and Fill Off e The water level sensor is e Replace the water level the CHECK DEFECTED damaged sensor item J ane Steam Off light is ON Drain Off Power On e During a Drain or Foaming e Verify the drain valve the2. Return SHC80 Air flow switch Ge Humidity sensor Steam dispersion Or room HRO20 manifold humidistat High limit SHC80 for VAV application only High limit humidistat Illus 50 20 neptronic SKE Humidifier User Manual 9 Front panel display features TJ Illus 51 Alphanumeric Display Indicates all operation parameters and the error messages see section 14 Trouble shooting Push button EI 2 and V M button Used to access into program mode Up and Down button Used to increase or decrease the controlled parameters of the humidifier POWER indicator SC The humidifier is powered by electricity and the switch is ES at the AUTO position O The humidifier is disconnected from the power supply CHECK indicator The CHECK indication is normally off It will go on as a so Warning against abnormal conditions of operation For details consult the Alphanumeric Display see section 9 1 3 Diagnostic mode Nor Maintenance is required The Running hours have blinking exceeded the Service hours see section 12 Service O No abnormal conditions of operation FILL indicator 30 Indication that the water supply fill valve is open O Indication that the water supply fill valve is closed STEAM indicator Switch AUTO OFF DRAIN Indicator DRAIN
3. Step Display Description Comment To enable set point to humidifier display e Press the 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 Out Output set point to same main pc board Set point is now displayed on the 01 SETPOINT HRO20 or HDM 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 or HDM Default Out 30 If HRM X or HDM X 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 nee will be controlled by both space and High limit duct humidity signal TPOINT idi To allow Set point VAV value r FAN SS FF veg Me conte Press and hold the TEST button located on Main Pc board inside optiona LAR dias electrical compartment until OFF is disappeared 65 High limit Duct humid
4. Illus 39 Illus 42 18 TJ preg e SKE Humidifier neptronic User Manual 8 2 4 Control Signals Terminal Block Modulating Printed Circuit Board Control signal 0 10 Vdc Extra jumper Ee 33 O HI RH SETPOINT OLA INPUT SSR CONTROL TE INPUT RESET 4 20 mo Tes SECH II DRAIN var Jumper on HUMIDITY 0 10V qJ ECH J 0 10V D Ba i pe d 210V om oa High limit Pressure Differential d Humidistat f Switch q d TOP PCB J MODULATING 5 Vdc P pa Illus 43 Illus 46 Control signal 2 10 Vdc Extra jumper FARRER OG H oo O 10V DO 2 10V Jumper on 2 10V High limit Pressure Differential d Humidistat 7 1 Switch q q TOP PCB LI di MODULATING 5 Vdc Illus 44 Illus 47 DO 4 20mA a 2 0 10V nen 2 10V 4 20 mA Jumpers on 4 20mA amp 2 10V High limit Pressure Differential Humidistat Switch TOP PCB MODULATING 5 Vdc Illus 45 Illus 48 19 TJ beet VS o SKE Humidifier neptronic fe 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 SKE humidifie
5. B 2 ES e H FLERE ee eT gl e i Evaporation chamber base e SKE10 to SKE80 Evaporation chamber base _ gt SKE05 Illus 55 30 TJ beet ne ron c SKE Humidifier t p User Manual 13 2 Bill of Material Item Description Model Part number SKE05 SW CONTSMA ASSY A Container of evaporation chamber SKE10 to SKE40 SW CONTMED ASSY SKE50 to SKE80 SW CONTLAR ASSY SKE05 1 phase SP 4018 M SKE05 3 phases SP 4019 M SKE10 amp SKE20 SP 4183A B Cover of evaporation chamber SKE30 amp SKE40 SP 4183B SKE50 amp SKE60 SP 4186 SKE80 SP 4185A SKE05 SP 1008 C Evaporation chamber gasket SKE10 to SKE40 SP 1021 SKE50 to SKE80 SP 1022 D Heater element See table below SKE05 SP 4196 M E Level sensor chamber SKE10 amp 20 SP 4197 M SKE30 40 50 60 80 SP 4198 M F Washer elements SKE05 to SKE80 SP 1005 G S S hex Jam nut elements SKE05 to SKE80 SP 2330 H High temperature switch klixon SKE05 to SKE80 SP 3035 SKE05 SW FOAMSM ASSY I Foam sensor SKE10 to SKE40 SW FOAMMED ASSY SKE50 to SKE80 SW FOAMLG ASSY SKE05 SW PROBSM ASSY J Water level sensor SKE10 amp 20 SW PROBMD ASSY SKE30 40 50 60 80 SW PROBLAR ASSY SP 6003 K Water supply valve SKE05 to SKE
6. 2 neptronic Steam Humidifier SKE series Nep c romnice LITT S Hu Ill D LLL Bi Installation instruction amp user manual READ AND SAVE THESE INSTRUCTIONS SKE ENG 110221 doc neptronic Foreword 1 These installation instructions and operation manual have been developed to facilitate the installation and the operation of the SKE series steam humidifier The strict application of these instructions will ensure the conformity of your installation and operation as per manufacturer s recommendations 2 The application of these instructions is one of the conditions for the application of the warranty 3 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 European safety and electromagnetic compatibility standards and directives and bear the CE mark The certificate of conformity CE is available upon request to the manufacturer 5 O 2011 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 Manufacturer Presentation National Environmental Products Ltd NEP is the owner of the brand Neptronic NEP develops manufactures
7. Illus 5 4 1 2 S A M E2 steam absorption manifold Horizontal duct The SAME is to be installed where absorption distances are short less than 1500mm and or low duct temperatures are in effect SAME2 are used in applications with restricted duct dimensions Illus 6 neptronic SKE Humidifier User Manual L 4 1 3 S A M or S A M E2 steam absorption manifold Vertical duct S A M S A M E2 45 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 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 SKE 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 eno
8. ON OFF model the STEAM indicator lights when the SC contactor is closed and steam is being generated Modulating model the STEAM indicator blinks ON Sa and OFF in proportion to the percentage of steam Kee output the humidifier is generating The proportion is displayed on the alphanumeric display 1 For 100 the indicator will be lit with no blink O There is no steam being produced Position AUTO I AUTO Humidifier will generate steam based on demand from the humidistat Position OFF 0 OFF 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 Drain valve is opened whether as a result of an 30 automatic drain cycle or because the front panel switch is manually set to DRAIN O Drain valve is closed 21 TJ preg e SKE Humidifier neptronic User Manual 9 1 Description display modes 9 1 1 OFF Mode When the rocker switch is in the OFF position the NEP 3 3 display shows the model of the unit and the program version number SKE10M 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 Only on modulating humidifiers RH 25 Display Space and Duct Relative suffix M If no High limit Duct DCT 68 Humidity
9. 2 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 3 Confirmation of Order D NEP shall not be deemed to have accepted an order until written Order Confirmation from NEP is issued to the purchaser D It 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 Order Confirmation will be issued by NEP 4 Price D Our prices are net Ex works Montreal in U S Currency unless stated otherwise H Minimum orders shall be 50 00 minimum 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 5 Payments terms e Major credit cards C O D Prepayment D For open account invoices are payable within 30 days from the date of invoice without no deduction unless specify otherwise An interest charge of 2 per month will be included on all overdue payments e No new ord
10. MK Illus 2 Steam Consumption Output Dimension of the cabinet mm Option j Current A i Model ard pr ov soy Qty Sr Sze A B c D E SDU SKE05 5 3 7 16 5 5 1 35 Small 597 470 292 140 737 SDU 1 SKE10 10 7 5 33 11 1 35 Medium 724 533 318 165 890 SDU 2 SKE20 20 15 22 1 35 Medium 724 533 318 165 890 SDU 2 SKE30 30 22 33 2 35 Medium 724 533 318 324 1048 SDU 3 SKE40 40 30 S 44 2 35 Medium 724 533 318 324 1048 SDU 3 SKE50 50 36 53 2 54 Large 794 813 318 SKE60 60 44 64 2 54 Large 794 813 318 SKE80 80 60 87 3 54 Large 794 813 318 Options e On modulating humidifier the maximum steam output can be programmed with the function LOCK ON in Program mode WARNING MODULATING HUMIDIFIER THE 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 TJ preg e SKE Humidifier neptronic User Manual 3 Mechanical installation 3 1 General recommendations CAUTION RISK OF ELECTRIC SHOCK DISCONNECT THE APPLIANCE FROM THE ELECTRIC SUPPLY BEFORE TO PROCEED TO INSTALLATION Location Plan a location easy to access in order to permit an easy inspection and servicing of the humidifier Do not install humidifier where
11. Note when SHC80 is used as Hi limit Duct sensor control signal jumper should be placed on 0 10 Vdc on Modulating PCB see section 8 2 4 of installation instructions 0 10 VDC OUTPUT 3 Q o Term 6 Illus 36 17 EJ Gr EE ne ptro NIC SKE Humidifier User Manual 8 2 3 Humidity Signals internal mode Terminal Block Modulating Printed Circuit Board Humidity signal 0 10 Vdc Extra jumper CO HI C ig Ol noen O 1 OV oo 2 10V Oo FA TEST 5 D FILL Jumper on 0 10 Vcc i SH L High limit Pressure Differential Humidistat Switch TOP PCB MODULATING ess 5 Vdc Illus 40 Illus 37 Humidity signal 2 10 Vdc Extra jumper EEN mum gt OG HI Steg CC LO son Si D 5 0 10V SSR CONTROL Or DO 2 10V 4 20mA m gt TEST St GK CO DRAIN Jumper on IT CONT L 2 10V 2 10 Vcc INPUT s a 4 20mA Da CR d 0 10V oa D d 2 10V ma ma High limit A Pressure Differential a Humidistat Switch d TOP PCB A MODULATING 5 Vde Illus 41 Illus 38 Humidity signal 4 20 mA OHI CO LO O LA CS RESET 4 20 mA Jumpers on 4 20mA amp 2 10V High limit Pressure Differential Humidistat T Switch TOP PCB MODULATING 5 Vdc
12. or defective materials 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 D 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 product or component shall be returned in accordance with the paragraph 10 Returns of goods as described in this document D 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 D Product or component replaced or repaired under warranty will be sent back to the purchaser standard freight paid by NEP Expenses in connection with travelling time dismantling and mounting shall not be paid by NEP 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 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
13. 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 e Space Distribution Unit mounted on humidifier SDU or remote installation SDU REM e Network communication system BACnet suffix B i e SKE20M 400 3B e Stainless steel humidifier cabinet suffix P i e SKE20M 400 3P e Dry contact to activate an external fan relay on a call for humidity SF SK300FANRELAY Definition 1 2 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 2 2 SDU Space Distribution Unit Integrated steam distribution unit optional on certain humidifiers 1 2 3 Multi Steam system Custom made system of steam distribution This system is designed to allow very short absorption distances less than 900mm 1 2 4 S A M Steam Absorption Manifold Steam manifold adapted to air duct size to allow steam absorption in relatively short distance less than 1500mm 1 2 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 1500mm TJ beet EA LS SKE Humidifier neptronic User Manual 2 Characteristics A SDU Space Distribution Unit option Steam kuma E
14. should be cleaned as necessary only if some scale has been accumulated on them e Proceed as per the cleaning of the container step 8 e Removing and cleaning of the water level sensor A chamber protects the water level sensor Cleaning of the sensor 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 potentiometer Terminal connector Compression fitting Cover of Se evaporation Gaskets _ chamber Brass washer Nut a Teflon nut b Water level sensor chamber IMPORTANT SE Always keep the openings clean water must flow thru 28 TJ be N cy SKE Humidifier neptronic 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 shou
15. 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 y SDU mounted on humidifier Illus 26 Without A additional 18 ilati 0 45 m A iri ventilation Field wiring 54 1 35 m St Ja others Field piping FF LEG 0 10m not supplied 3 i 2nd pipe for SDU2 or SDU3 SDU remote installation Illus 27 13 TJ beet e SKE Humidifier neptronic User Manual 6 Plumbing connection The operation of SKE series humidifier is independent of variable water conditions with soft or hard water Therefore for normal operation no pre treatment of water is necessary SKE Humidifier Bottom view Illus 28 Dimensions mm Model A B C D E 15mm 22mm SKE05 165 51 232 105 44 rd SKE10 SS SKE20 PSS 184 44 248 105 44 SKE30 SKE40 Minimum S Manian ini Ss m 500mm SKE50 Minimum building Side drain of denn amp 200mm SKE60 179 44 248 105 44 SR Ill
16. 12 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 37
17. 80 SP 6007 IDC SKE05 SW TRAPSMA P L Fill and drain trap assembly SKE10 to SKE40 SW TRAPMED P SKE50 to SKE80 SW TRAPLAR P Silicone tubing V2 SP 1023A M Silicone tubing 34 SKE05 to SKE80 SP 1023B PCV tubing V2 SP 1027 N Alphanumeric display SKE05 to SKE80 SW SK300DISPLAY O AUTO OFF DRAIN rocker switch SKE05 to SKE80 SP 3037 P Terminal block and high voltage connectors SKE05 to SKE80 Q Cooling fan SKE05 to SKE80 SP 3007 R Transformer See table below S Contactor See table below 50 A SP 3102 T Solid State Relay 90 A SP 3103 125 A SP 3105 Main Printed circuit board SKE05 to SKE80 NW SKEMAIN TEST Vv Modulating Printed circuit board SKE05 to SKE80 NW SK300MODULSS SDU SW FANSDU1 RET W SDU fan SDU II SW FANSDU2 RET SDU III SP 3010 X Transformer See table below Fuse inside SDU SDU I and SDU 2 SP 5105 SDU 3 SP 5106 Z Drain pump SKE05 to SKE80 SP G4101 31 TJ preg ne ron c SKE Humidifier 2 t p User Manual iem SKE05 SKE10 SKE20 SKE30 SKE40 SKE50 SKE60 SKE80 230V 1 400V 3 230V 1 400V 3 400V 3 400V 3 400V 3 400V 3 400V 3 400V 3 D SE 5937 SE 5980 SE 5983 SE 5981 SE 5982 SE 5983 SE 5955 SE 5984 SE 5983 SE 5955 Heater element R SP 3365 SP 3374 SP 3365 SP 3374 SP 3374 SP 3374 Transformer S SP 3080 SP 3080 SP 3083 SP 3080 SP 3100 SP 3100 SP 3084 SP 3084 SP 3100 SP 3084 Contactor X SDU SP 3373 SP 3373 SP 3371 SP 3376 S
18. Humidifier Humidistat Pressure Differential High switch High voltage power Low voltage control limit terminal block E terminal block illus 33 8 2 Modulating Humidifier 8 2 1 Connection to the Humidifier control terminal block Connection to HRO20 humidistat or HRO20 with remote humidity sensor SHR10 or SHC80 HRO20 humidistat SKE Control terminal block wiring HRO20 humidistat SKE Control terminal block wiring SHR10 or SHC80 gt amp COM 24 VAC RH VOO O el EU d Pressure Differential Bi switch High limit MOD a High limi Pressure Differential switch 1 G ER RH BS ECE LL elele ele sTell7 slo Illus 34 16 TJ beet e SKE Humidifier neptronic User Manual 8 2 2 Humidity control by humidifier internal mode Humidity controlled by humidifier using SHR10 or SHC80 as space sensor SKE F Illus 35 VAV system with humidity controlled by humidifier using SHC80 as Hi limit duct sensor and SHR10 or SHC80 as space sensor SKE SHC80 Q 1 COMMON Ch 2 24 VAC OR VDC To Term 4 SHR10 or SHC80 24 VAC OR VDC 2 or Gi 3 0 10 VDC OUTPUT
19. IN to OFF 2 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 3 Disconnection of heating element s e Remove the high voltage connector located at the top right hand side of the mechanical compartment o Model SKE05 Unscrew the connector o Model SKE10 to SKE80 squeeze the locking ears of the high voltage connector and pull it apart 4 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 5 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 6 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
20. P 3370 Transformer 32 neptronic 14 Trouble shouting guide SKE Humidifier User Manual Problem Indicator Display Causes Corrective actions Power Off i ge Ne e Check for the main power Check Off e The low voltage fuse is i er Humidifier does open not operate Fill Off e The high temperature i GE nt fuse Power Off Fer ES switch is open EE the team i insi I SE ee wires harnesses and the Drain Off properly Main pc board Power On e The rocker switch is at the Press the rocker switch to GES Check Off OFF position the AUTO position dr Fill Off NEP 2 5 e Wire harness from the LED Check the white color wire Power On St Of SKE20M display panel to the Main harness galt pe board is not secured e Press the RESET button Drain Off properly on the Main pc board e Modulating humidifier no Powar Un analog signal e Verify the setting of the Check Off e On Off humidifier no humidistat Humidifier does demand from humidistat or Check the fan operation not produce Fill Off NO air flow is not detected by e Check the operation of steam DEMAND air pressure switch or high the high limit humidistat No Demand 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 term
21. SKE50 to SKE80 it may weigh more than 15 kg This operation may require another person to assist you in removing the evaporation chamber 7 Opening of the evaporation chamber e Remove the cover from the evaporation chamber o Model SKE05 Unlatch the 3 latches located around the evaporation chamber caution these latches are very tight we recommend you to help you with a screwdriver or pliers to do this o Model SKE10 to SKE80 Turn the latches of the 4 or 8 latches located around the evaporation chamber e Remove the cover from the evaporation chamber 27 TJ PREGE VS o SKE Humidifier i eptrol NC User Manual 8 Cleaning of the evaporation chamber e Pour out any remaining water and scale that is on the bottom of the container e 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 e WARNING The use of wire brush or any non recommended acid will void the warranty e 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
22. a 2 ti e EE 2 12 Rule E 3 2 e EE 4 3 Mechanical installation nsssvernnnnnvennnnnnnvenennnnvnnnnnnnvnnnnnnnvnnennnnvnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn 5 3 1 General eil EE re ET 5 NN te ue EE 5 38 EI Run Tu ln Le EE 5 4 Steam dispersion system selection and positioning rrssvrnnnvrnnnvnnnnnvnnnnnnnnnnvnnnnnvnnnnnnnnnnnnnnnvennnnnnnnnnnnnnnennnn 6 4 1 Steam dispersion system selection m ssssssssssrrssrrssrrssreresreresrrrsrrssrr senere sr sr RAR RAKA RAKARE KR RAKA ann RR KARE KR RR RR AR RR ARR ARR KR a 6 4 2 Positionning of S A M or S A M E2 ossessssssrsssrrssrrsssrrssresseresrrssrrrrsrrssrsr sr sr reser sr RKA RSKR RSKR ARR A ARR nnn KR RR KR RR KARA KR KR a 8 5 Steam output connection sisside anamanna araea eaa aaaea aeaaaee anaa aaa aaa aiaa adaha aaa 11 bil Typical installation 2 EE 11 5 2 General recommendations sae REKA RAKARE KR RE KR RR KR RSKR AR RR AR KR REKA RER ARR KR KR a 11 5 3 Installation of S traps on the steam line sisseossssssrsrsrsrsrsrsrererersrrrssrrrsr rss essens skr RKA ARKA RSKR RSKR RR RR ARR KR RAR RR Kn KR oa 11 5 4 Position of steam e Tute EE 12 5 5 Installation of humidifier with Space Distribution Unit DU 13 6 Plumbing CONMECHON E 14 6 1 Watersupply s ins ean ieee Gina abled niente tintin ae 14 6 2 Drami COMMECUON EE 15 7 Power supply connectionS rrssrrnnevnnnnvnnnnnnnnnnnnnnnvnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn
23. and services a complete line of e Steam humidifiers e Humidistat among the most precise and the most reliable on the market e Actuators to regulate air damper or valves e 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 25 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 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 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 SKE ENG 110221 doc neptronic Table of content Foreword amp Manufacturer presentation rarnnnnnnnnnnnnnnnnnnnnnnnnnrnnnnnnrnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnner i 1 Presentations aaa aa aae aa anaa aaa Kaanaa aaan Anaa aaO aaa aeaa aaa a Eaa aa
24. d be LOCK ON Output Span This option is available only on modulating model 07 From 00 to 100 i e In this case the humidifier will deliver 80 of its maximum 80 PWR 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 24 10 TJ be A neptronic Control p c board The Printed circuit board designated PCB970819 is common to all SKE 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 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 o HH is illuminated water supply valve shuts off o If LO is off An evaporation chamber filling is ordered water supply valve opens o If LA is off No water is detected by the water level sensor the power to the elements is shut off The 3 status L E D s at the center left side operate as follows
25. drain pipe dimension is sufficient especially if more than one humidifier is evacuating into the same drain line Power supply connections CAUTION RISK OF ELECTRIC CHOC DISCONNECT THE HUMIDIFIER FROM THE ELECTRIC SUPPLY BEFORE TO PROCEED TO THE CONNECTION 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 The wiring to the Humidifier should be done by a qualified electrician and conforming to the procedure regulation and local codes Use only coppers conductors An external over current protection and disconnect circuit breaker should be installed on the supply adjacent to the humidifier A knock out not supply should be installed at the bottom of the electrical compartment of the humidifier for strain relief of the supply cable Ensure that the size of the wire conductors is appropriate for the current supplied Ensure that each terminal connection is properly secured 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 Ww Ka KE I A LG PHASE 2 PHASE 3 r GND L CT 3 CC 2 8 QHA 2 2 2 SS Illus 31 Illus 32 15 TJ preg e SKE Humidifier neptronic User Manual 8 Low voltage control connections 8 1 ON OFF
26. e container has exceeded the Overheated boiling temperature The humidifier has automatically HEATED shut off PROBE The water level sensor is not operational The DEFECTED Defected probe humidifier has automatically shut off I a 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 BLOCK DR N P ROB 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 HRM X or HDM X 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 HDM X 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 23 neptronic SKE Humidifier User Manual 9 2 Programming 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 4 amp el buttons on control panel
27. er will be process if invoices are not paid within 45 days 6 Transfer of ownership The goods shall remain the property of NEP until the full payment for the goods has been received by NEP 7 Delivery terms D Shipments are Ex works 400 Lebeau St Laurent Quebec HAN 1R6 CANADA unless notified otherwise 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 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 8 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 9 Delivery time D Delivery time is stated approximately and depends on the product ordered please allow a minimum of a 2 weeks 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 10 Return of good D Goods received by the purchaser can
28. 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 30 C The maximum distance between the humidifier and the ventilation duct should not exceed 5 meter maximum length of the steam hose 3 2 Positioning The front panel and the right side electrical compartment should be accessible in order to permit the servicing Leave a clearance of at least 1 25m to the front panel and 0 6m to the right side The humidifier should be mounted at a minimum of 1m to 1 2m above floor level Leave a clearance of at least 0 25m under the humidifier for installation of water supply drain piping and electrical connections 3 3 Wall mounting 2 2 2 2 2 2 TL se Use the keyholes located on the back panel of the humidifier 0 25 m 1 to 1 2 m 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 A B C 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 u
29. fier 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 e The routine service is a cleaning of the evaporation chamber e We recommend setting the service demand depending on the water quality the frequency of automatic drain cycles and the demand placed on the humidifier e 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 Cool down evaporation chamber e 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 Get the front panel switch AUTO OFF DRA
30. inal blocks terminal blocks Humidifier does Power On e Air flow is not detected by e Check the fan operation not produce Check Off air pressure switch or high eCheck the operation of steam Fil Off SAFETY limit humidistat is open the high limit humidistat Safety Open OPEN e Control wires are not e Verify the wires to the Modulating Steam Off properly secured to the control terminal blocks 1 humidifiers only Drain Off terminal blocks amp 2 Power On e Verify d the drain valve is SC manually open le DEE e Humidifier is filling with e Check if the shut off valve i water and has not reached on the water supply line is r Fill On NO or is not reaching the high open Humidifier will LEVEL of the water level sensor e Verify the operation of the not stop Steam Off e Humidifier is not filling with fill valve draining i water e Check the fill valve Drain Off strainer and the external strainer are not blocked f e Verify the quality of the Power On supply water e Verify if chemical products Check Off Excessive foaming yere used clean e Humidifieris Fil On FOAMING con manmanga Ine during maintenance always on evaporation chamber Faam c ml CYCLE i Rinse with water the ycle 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 33 neptronic SKE Humidifier User Manual
31. ity set point value You can then select the VAV Set point value desired by using amp Default OFF YJ buttons on control panel Note This Step will appear only if Internal has been 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 i Select the appropriate value by using LJ LY buttons on control optional 3 From 3 to 9 panel Gees S 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 4 amp LY buttons for 15 seconds O645HRS 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 1000ARS From 400 to 1500 hours In general harder the water is lower the number of hours of Default 1000 Hrs operation before service shoul
32. ke sure that mechanical electric and plumbing connection are done and secured 2 Make sure that low voltage control circuit is done and correct 3 Turn on the water shut off valve outside of the humidifier and check that the drain connections are connected to the main drain line of sufficient diameter 4 Turn on the power to the humidifier from the circuit breaker disconnect The POWER indicator should go on 5 Push the TEST button located on the main pc Board This pc Board is located in the electrical compartment 6 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 50 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 7 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 8 Your humidifier is now fully operational 26 TJ preg e SKE Humidifier E neptronic User Manual 12 Service 12 1 General e The humidi
33. ld 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 connection 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 3 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 29 Z _ spies neptronic SKE Humidifier User Manual 13 Exploded view amp Bill of Material 13 1 Exploded view Plastic gril ot EE l Steam Trap Assembly e Fa X eg
34. mensions mm Small l J Cabinet SKE05 110 122 Medium Cabinet K L M SKE10 102 14 SKE20 S S SKE30 134 102 14 SKE40 3 g 3 Large Cabinet N H P Q SKE50 SKE60 179 179 132 144 SKE80 Large Cabinet SKE80 Illus 25 12 neptronic SKE Humidifier User Manual 5 5 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 2m above the floor A minimum clearance of 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 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 condensate hose to the bottom of the SDU to an open drain Connect the electrical wires from the SDU to the
35. nnnnnennnnnnnnnnnnnnnnnnnnnnn 15 8 Low voltage control Connections rrravrrnnnvrnnnnvnnnnvnnnnvennnnvnnnnnnnnnnvnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnennn 16 8 1 ON OFF lte TEE 16 8 24 UIMOGUIating Mr e 16 8 3 Common Alarm CONNECTIONS sutana egent Zetedeehk EST SRA dn SK bn Eege EES EECH 20 8 4 Controls Placement steam dispersed into a duct or AHU sars sne r arenan nns r sann non 20 9 Front panel display features rnnssvnnnnnnnnvvnnnnnnvennnnnnvennnnnnnennnnnnnnnnnnnnnnennnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnennnnnnnnnnnnnnnnnnn 21 9 1 Description el el 22 GE PROQFAIMIMING DEE 24 10 e UR BE E ME 25 10 1 Man p Doai EE 25 102 Modul ting pe DOArd DE 25 11 StartUp ee UE 26 12 A O E E E E E E eg breer DRAR baken 27 EEN ENEE 27 12 2 Evaporation chamber cleaning s smesersssrsssrsasrsasrrssrsssrrsssrsssrsssrss sr ss ses ses RASA RASK RASA RASA RA RR RK KR RAKA RK KR RSKR RR KR ROR Kn na 27 13 Exploded view amp Bill of Material rrrnvnnnnnvnnnnnvnnnvvnnnnvnnnnnvnnnnnnnnnvnnnnnnnnnnnnnnnnvnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnen 30 131 Exploded AE eseina ena aneii aan aa naa oan oand adaa Sea Dri nia a adada SNRA a Tadas NER aiaia ARA 30 13 2 Billof Material EE 31 14 Trouble shouting UI TE 33 General condition of sale amp warranty rrnrnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnr 37 Z _ spies neptronic SKE Humidifier User Manual 1 P
36. not 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 H4N 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 returned 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 30 of the invoice plus shipping amp handling if returned within 30 days of the invoice date and 50 from 30 to 60 days D Non standard product SK units with special feature Multisteam manifolds and any DI unit are not returnable and not refundable 11 Warranty D 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
37. o FILL indicates that the water supply valve is feeding water o DRAIN indicates the drain valve empties the container o CONT indicates that power is supplied to the elements and the unit is producing steam 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 to display RH measured by humidistat to humidifier display see section 9 2 Programming this is available only on Modulating model RESET button enable the bypass of start up sequence 10 2 Modulating p c board 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 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 TOP PCB MODULATING SKE Humidifier User Manual OI HI I LO CT LA RESET TEST CH FILL DRAIN Co CONT Illus 53 25 TJ preg e SKE Humidifier neptronic User Manual 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 Ma
38. or 1 vertical length in order to ensure continuous drainage of condensation back to humidifier or to steam trap Total length of the steam hose or rigid pipe should not exceed 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 5m or for interconnecting between the rigid pipe runs Whenever using rigid copper these ones should be insulated to diminish condensation build up Installation of S traps on the steam line Incorrect installation Illus 22 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 51mm 1590 Use S separator when ceiling space is limited and you need to create 15 slopes Illus 23 Use S separator when the steam distributor is lower than the humidifier steam outlet 5 k 3 203mm kg Illus 24 11 neptronic SKE Humidifier User Manual Small Cabinet SKE05 Medium Cabinet SKE10 20 Medium Cabinet SKE30 40 Large Cabinet SKE50 60 5 4 Position of steam output Model Di
39. pper 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 need the help of a second person to assist you GP When the humidifier is positioned on the upper screws tighten Front view Illus 4 the screws to secure the humidifier If applicable install and secure lower screws Dimensions mm Model S S z e SKE05 202 165 516 SKE10 SKE20 SKE30 SKE40 5 03 625 6 03 5 SKE50 SKE60 102 2 97 SKE80 0 305 65 698 6 576 TJ beet e SKE Humidifier neptronic User Manual 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 1500mm and or low duct temperatures are in effect f
40. r 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 516171819 low voltage 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 Avwall or return duct humidistat e A high limit duct humidistat e An air 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 1 8m minimum 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 6 minimum
41. readings sensor is installed second line is left blank kg hr Quantity of steam produced by l e The actual output of the unit at that the humidifier moment is 8 kg hr ALARM Below this water level the humidifier LEVEL Low water level shuts off and the water supply valve is activated until sufficient level is reached CONTROL The water supply valve is activated LEVEI Water level is controlled below this level HIGH The water supply valve is automatically LEVEI Water at maximum level deactivated 22 neptronic SKE 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 N demand On Off humidifier Humidity level has exceeded the set DEMAND 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 D a cl Drain cycle The humidifier is in the automatic drain mode NTAGT CO Gontactaslay 15 second delay for the power contactor to be DELAY activated OVER The temperature inside th
42. resentation Thank you for you confidence to Neptronic product 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 cmpression fitting 34 hydraulic for the drain output of the evaporation chamber 1 female compression fitting 2 hydraulic for the drain output of the drip pan 1 female fitting for the water supply connection 1 Installation instruction and operation manual 1 1 2 Overview of the Humidifier Heater element connector SS gt S Evaporation IIS IS SER Se chamber SI ST S Evaporation Ke chamber drain pump ee E Heater element Sy B S 3 I E El ES SS z Level sensor S chamber SS 2 SEE 2 S I I S 5 S I 5 a Water supply valve e Access door to sd mechanical Electrical companment Control panel compartment Illus 1 TJ beet e SKE Humidifier neptronic User Manual 1 2 1 1 3 Options avalaible The following options are available when purchasing a SKE humidifier e Modulating control humidifier suffix M i e SKE20M e Humidifier for system supplied with Deionised water or Reverse Osmosis water dissolved solids more than 1
43. s Illus 14 Note 51 mm steam pipe must be supported on the end by appropriate duct hanger or strap supplied by others neptronic 4 2 4 Placement of steam pipe in vertical duct Eyelet orientation SKE Humidifier User Manual 3D view Illus 15 S A M S A M E2 CG A TH Illus 16 35mm diameter pipe W 10 minimum 250mm 1 2W 4 ee op o op 1 pipe Illus 17 51mm diameter pipe WwW 24 minimum 600mm 1 4 W 2 pipes lllus 19 W 24 minimum 1 6 W gt W 36 minimum gt 900mm 1 3 W 1 3 W gt lt 1 6 W 3 pipes Illus 20 10 TJ beet 4 _ SKE Humidifier neptronic User Manual 5 Steam output connection 5 1 Typical installation 6 HN 7 1 KS 1 Clamps Gai 2 Flexible hose 2 8 Humidifier 3 Rigid copper pipe S 4 Insulation ZE 5 Steam distribution manifold 6 Duct 7 Long radius copper pipe 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 b 5 3 The slope of the steam hose rigid or flexible should not be less than 15 7 horizontal length f
44. ugh 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 Hole size OA 35mm 51mm 51 mm 78mm WARNING Risk of condensing Ensure that the minimum distance of the end of the manifold is at least 102mm from the top of the duct Illus 9 4 minimum 102mm Minimum distance Illus 10 4 2 2 Recommendations for SAM distribution pipes peler Outlet Distribution pipes Maximum apaciy static Model Diameter Minimum Maximum pressure kg hr Qty length length mm mm mm Pa SKE05 5 300 600 SKE10 10 1 SKE20 20 35 600 1200 SKE30 30 1245 SKE40 40 5 SKE50 50 750 1500 SKE60 60 51 SKE80 80 3 Note For higher static pressure please contact the manufacturer TJ preg e SKE Humidifier neptronic User Manual 4 2 3 Placement of steam pipe in horizontal duct 35mm diameter pipe 6 minimum AN 150mm H J 7 f te 10 minimum i 10 minimum 250mm 5 250mm 3 minimum e 13 H sk D A gt 200mm 1 pipe Illus 11 2 pipes illus 12 51mm diameter pipe S D i v 2 5 H 1 2H a H wp i H 24 minimum PN a Ee I 600mm i 900mm i Ww 1 5H jeu y Y 8 t 10 10 200mm gt 250mm TT 250mm I 2 pipes Illus 13 3 pipe
45. us 29 6 1 Water supply e Water inlet specifications v Inlet water pressure 0 7 to 4 8 bars 10 to 70 psig v Maximum temperature 30 C maximum v 3 8 standard copper water line connection e A shut off valve not supplied should be installed in the water supply line to the unit close to the humidifier to facilitate servicing e Itis recommended to install a standard water strainer in the water supply line Please follow the steps described below e Connect 3 8 copper pipe to the bottom 3 8 compression fitting supplied Fill valve Intern e Finger tighten the swivel top 3 8 fitting to the male threaded part of the valve PG Base plate of CAUTION RISK OF DAMAGE TO THE ri humidifier VALVE DO NOT USE WRENCH TO TIGHEN H N Male threaded part of SWIVEL E H N Swivel top Fitting supplied _ Compression fitting K Water line 3 8 hydraulic pipe Illus 30 14 TJ preg e SKE Humidifier neptronic User Manual 6 2 Drain connection Drain connection specification v Evaporation chamber water drain temperature 60 C v Standard hydraulic compression fittings a 20mm evaporation chamber drain and a Le 15mm Pan drain 2 hydraulic threaded fitting located under the humidifier see Illus 29 must be connected to the drain pipe Use standard copper hydraulic pipes 34 20mm and 12 15mm Ensure that the
46. vr Check On DRN PROB cycle the water level fill and drain water pipe e Fill Off sensor has sensed the connection the water Steam Off water level has not level sensor chamber are Drain Off decreased not obstructed Power On e The following components Check Op can be the cause of this Humidifier does problem water level sensor e Call factory for trouble not operate and Fill Off item J main pc board ee l shooting instruction display is blank Steam Off item U modulating pc board item V or the LCD Drain Off display item N Power On ara the contrast of the e The potentiometer contrast Vo i f Humidifier is Check Off is set at the lowest setting pr e gn SH Q producing Fill Off e The display ribbon cable is e SEH on steam and not connected properly gen S side red line on display is blank Steam On The LCD display is pe efective l Drain Off e Replace the LCD display item N 34 TJ PRE VS o SKE Humidifier neptronic eae Personal notes 35 TJ PRE VS o SKE Humidifier neptronic eae Personal notes 36 1 neptronic SKE Humidifier General conditions of sale amp warrantyl 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
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