SKR series Steam Humidifier – Kit N
Contents
1. Power supply terminals Live GE TANF saina E Main Printed Circuit Board lt g Retum en if Mechanical compartment L Power i Main Printed supply Powered circuit board 4 H de terminals e 208 or 240 Vac Heating 9 Mechanical compartment ele Relays lt t re element Se i west Ge N ai f i z Fuse Powered 120 Vac 7 Heating to Fuss a i Qui i a aerer i Dar I l when Quick I gd D SE i required SKRTRIAC i Connect O nal A JP5 SSR PCB anni arao utes SRN Quick i S gt SKRTRIAC gt H Connect z ps ssn PCB Eecher S G D L o a Totan E EE Zeck teuer SA 24Vac_ r Mechanical compartiment eege Ee j exten Powered 30mA ee i alarm relay Pilot Dry contact GEET 1A 24Vac_ pe High temperature l Output switch connector i Airflow swite l eS Se ee e lHigh probe Orange Quick Bebe EE Low probe White connect High limit common SC L humidistat 3 84 Ve F Water l EE Dip Switches level External sensor d cut off 0 10Vdo _ _ S Control signal 5_49yq from humidistat or BMS system KE 4 20mA Coheed ena a reg d et ee d2. O High voltage NG quick connect Evaporation chamber ee Internal plumbing Water level sensors my CS As KAL TI im ON Sh Ei Ate Water fill Ki SA e valve Fig 1 1 3 Numbering system 120 N Kit option SKRT4M Model number kw 2 14 1 4 kW i Voltage E 120 120 Vac M is denoting Modulating humidifier No digit on standard unit SKR N eng 111012 doc 2 CC SS x V _ SKR Humidifier kit N neptronic ieee 2 SKR N eng 111012 doc Definition 2 1 Evaporation chamber Assembly including the stainless steel cylinder and a cover equipped with an electric element u See High voltage Dimple for the alignment EES of the cover Cylinder N Water coupling SC 7 es High temperature switch NN quick connect Steam outlet Fig 2 Characteristics Fig 3 Capacity Electrical Requirements Steam outlet Weight Ib kg ode weii Voltage Current Power Sat reen Wih oe em e a dala KS at SS H oe 22 io Ae a ae eee 13 servevene 64 B 7 49 e cio ca CC SS x Z _ SKR Humidifier kit N neptronic ieee 4 Mechanical installation 4 1 4 2 4 3 General recommendations CAUTION RISK OF ELECTRIC SHOCK DISCONNECT THE HUMIDIFIER FROM THE ELECTRIC SUPPLY BEFORE PROCEEDING TO THE MECHANICAL INSTALLATION
3. de by others see sect 6 1 Main drain evaporation chamber Air gap Minimum 1 dee ee by others E Drain ee No drain trap required Shut off valve 3 8 copper pipe by others by others Fig 10a Correct installation J a A Main drain evaporation chamber must be straight Do not install elbow l Fig 10b Incorrect installation SKR N eng 111012 doc 8 CC SS x V _ SKR Humidifier kit N neptronic ieee Power supply connections CAUTION 1 RISK OF ELECTRIC SHOCK TURN OFF POWER AT THE EXTERNAL BREAKER FUSED DISCONNECT BEFORE PROCEEDING TO THE POWER SUPPLY CONNECTION 2 To reduce the risk of electric shock do not connect to a circuit operating at more than 150V to ground IMPORTANT The wiring to the humidifier should be done by a qualified electrician and conform to procedures regulations and local codes Ensure that the voltage required by the humidifier is the same as the available power supply Ensure that the size of the wire conductors is appropriate for the current required by the humidifier A dedicated external breaker fused disconnect must be installed The ground conductor must be equipped with ring terminal and be connected the indicated location fig 11 Use coppers conductors only Ensure that each terminal connection is properly secured Install the supplied strain relief bushing at the bottom of the electrical
4. SKR 14 NW SKR120MAIN NSS Main PC board ON OFF e See SKR 25 30 40 NW SKR240MAIN NSS Main PC board Modulatin SE ees cores SKR 25M 30M 40M NW SKR240 M NSS SKR 14M 25M 30M NW SKRET 2SS SKR TRIAC PC board option M SKR 40M NW SKRET 3SS SKR TRIAC PC board SKR 14 25 30 NW SKRL 2SS option L or ML SKR 40 NW SKRL 3SS SKR N eng 111012 doc c lt 7 Neptronic SKR Humidifier kit N User Manual 16 Types of alarm CAUTION RISK OF ELECTRIC SHOCK POWER MUST BE TURNED OFF AT THE EXTERNAL BREAKER FUSED DISCONNECT BEFORE REMOVING THE COVER OF THE HUMIDIFIER e IMPORTANT A corrective action must be taken before doing a reset e The alarm contact normally open will close when there is an alarm ALARM svg e e indicator Condition Consequences Corrective actions Reset Service required Operating hours Alarm e Press the POWER push 1 Flashi exceeded the service No interruption of Proceed to a service button to turn OFF the Flashing required alarm hour the operation of the continuously setting DS1 2 humidifier See section 14 Maintenance Service required Operating hours humidifier if necessary e Press and hold DRAIN and POWER push Alarm buttons simultaneously for 2 Indicator 1S arro SE The operation of the Proceed to a service ten seconds These two continuously on reouired alarm setting PUMIdifier is See section 14 Maintenanc
5. Sam NZ neptronic SKR series Steam Humidifier Kit N Patent Pending SR Installation instructions amp user manual READ AND SAVE THESE INSTRUCTIONS SKR N ENG 111012 CC SE V _ SKR Humidifier kit N nN ptron C Foreword Foreword A These installation instructions and operation manual have been developed to facilitate the installation and the operation of the SKR series steam humidifier The strict application of these instructions will ensure the conformity of your installation and operation as per manufacturer s recommendations B The application of these instructions is one of the conditions for the application of the warranty C The application of these instructions does not ensure at any time conformity to procedures regulation or local codes regarding electrical installation and connection to local water supply D 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 E 2011 All right reserved this document cannot be reproduced totally or partially by any means 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 Neptronic brand NEP
6. a Loosen clamp on the steam hose connection b Remove the steam hose from the top of the evaporation chamber c Unscrew the water piping coupling located on the lower right hand side of the evaporation chamber 6 Removing the evaporation chamber a Remove the evaporation chamber from the humidifier cabinet SKR N eng 111012 doc 16 CC SS x VE _ SKR Humidifier kit N neptronic ieee 7 Opening the evaporation chamber a Unfasten the 3 latches located around the evaporation chamber Caution Risk of injury latches are tight It is recommended to use pliers or a screwdriver to unfasten the latches b Remove the cover from the evaporation chamber c Do not misplace the gasket located between the cover and the cylinder 8 Cleaning the evaporation chamber a Pour out any remaining water and scale from the bottom of the evaporation chamber b Clean out the remaining scale use a non metallic brush and water Some vinegar or any weak acid for cleaning stainless steel may be required IMPORTANT The use of wire brush or any non recommended acid will void the warranty c If the amount of scale to be removed is significant the service required alarm setting and or the drain rate section 10 DS1 may be set too high for the local water conditions Too much scale may impair the normal operation of the humidifier or damage it In this case increase the frequency of maintenance as necessary 9 Cleaning the electric element
7. IMPORTANT Mechanical installation should conform to Local and National Codes Location Plan a location which is easy to access in order to permit a proper 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 The maximum distance between the humidifier and the steam dispersion tube in the ventilation duct should not exceed 6 feet 1 8m maximum length of the steam hose Positioning The front panel and the left side electrical compartment should be accessible in order to 8 permit easy servicing of the humidifier 0 2 m Leave a clearance of 36 0 91m from the front panel 12 0 30m from the left side 6 0 15m from the right side and 8 0 20m above the humidifier The SKR humidifier should be mounted 39 to 47po ees 1 to 1 2m above floor for the installation of water E e supply drain piping and electrical connections 39 47 1 1 2m Fig 4 Wall mounting IMPORTANT 1 Risk of malfunction The humidifier must be level 2 Risk of overheating Do not block the ventilation openings located on the top front sides and rear of the cabinet Check the solidity of the chosen support or wall bricks concrete stud partition wall etc on which the
8. NEP warranty D 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 s Any repair made after the original warranty period at the NEP facilities are warranted for 1 month from the date of repair 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 24
9. compartment for of the supply cable Terminal connection Ground connection Opening for control cables Strain relief bushing for passage of the electrical cable Fig 11 Left side view SKR N eng 111012 doc 9 nep tronic SKR Humidifier kit N User Manual 8 Control diagrams IMPORTANT 1 Risk of malfunction Do not supply power from external source to control terminals TB4 and TB5 These terminals are powered by the humidifier 2 Maximum length of each control cable is 250 feet 76m 8 1 ON OFF Humidifier standard v Wire humidistat or Building Automation System signal to close on humidity drop below set point v Wire airflow switch to close when sensing air flow and open when no air flow is sensed v Wire high limit humidistat to close on drop in humidity and to open when set point is reached Power supply terminals Relays en j l L Fuse SESE when WENN required Pilot Dry contact Totan F TS SS e al _ ______ 3A 24Vac __ To external se aO Pilot Dry contact_ La __ Airflow switch eg gg rt Sel l SS ee es _ 24 Vdc ke B e e e e e e e High limit humidistat OOO Ne EE Humidistat or BMS system Wiring by others Fig 12a SKR N eng 111012 doc SKR Humidifier kit N User Manual neptronic 8 2 Modulating Humidifier v Wire humid
10. develops manufactures 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 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 8 000m facility in Montreal Canada Our quality system is built on the ISO 9001 model Our vision A Customer for Life is realized by listening our customers needs and by supplying them with products which exceed their expectations in quality functionality and durability National Environmental Products Ltd Tel Tol free in North America 1 800 361 2308 Tel 1 514 333 1433 Fax 1 514 333 3163 Fax Customer service 514 333 1091 Business hours Monday to Friday 8 00am to 5 00pm Eastern time SKR N eng 111012 doc i CC ETF x V R SKR Humidifier kit N Ne ptro NIC Table of contents Table of contents Foreword amp Manufacturer Presentation eee e e e i Tee Presentaatio EE 2 1
11. humidifier will be mounted see page 3 for the weight of the unit Use the keyholes located on the back panel of the humidifier Drill holes for the upper anchors holes with eyelets into the support or wall as per dimensions specified in the table fig 5 The hole dimensions diameter and depth should be in accordance with the recommendations of the chosen anchors Fig 5 If necessary install bolt anchors IES Insert the 2 screws holes with eyelet of a Modei Dimensions mm minimum diameter of 1 4 6mm screws are not A TER C supplied ES 3 06 744 Leave a clearance between screw heads and wall SKR 51 78 37 in order to permit the mounting of the humidifier Hang the humidifier on the 2 screws When the humidifier is positioned on the screws tighten the screws to secure the humidifier SKR N eng 111012 doc 4 neptronic SKR Humidifier kit N User Manual 5 Steam output connection 5 1 Typical installation Slope 15 minimum 1 Clamps 2 Flexible hose 3 Steam dispersion tube L 4 Duct R Radius Fig 6 5 2 General recommendations Follow these general installation rules in order to avoid any condensation accumulation which can cause severe water accumulation in the duct or a humidifier malfunction IMPORTANT Risk of malfunction Avoid kinks sags and areas where condensate can become trapped a The slope of the steam hose rig
12. 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 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 s 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 H Expenses in connection with traveling time dismantling and mounting shall not be paid by NEP D 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
13. 1 Description of accessories supplied with the bumidttier neen nnnn 2 1 2 lte te 1 5s ssccetsncacsivtes ss teedecensavdes cave pbsceecduiieg este sieeve edad Zag acd sasyecqadce daace vosaectates deca snxgncanves eas sedeeg detavens se adverecasas 2 Tos INUMBONING SY SUS EE 2 e EELER 3 2 1 Evaporation Caimi De rss siina EE EAE DEES gEeEEE EE N gege eech 3 LEE HEIEREN 3 c Mechanical installation TEE 4 4 1 General recommendations sees ereer 4 AD POSON MEET 4 ALS Wal MOUN ET 4 5 Steam o tp t CONMECUON TE 5 Bets Typical NEIE Le TEE B 5 2 General recommendations A 5 5 3 Recommendations for steam distribution piping sss sese eee eee eee eee eee eee 6 5 4 Recommendations for the location of the steam dispersion be essere eee eee eee eee eee 6 6 PlUMbING CONNECHONS ia sce ies enh cc eleees sh aa a a edna ee Rd ied adaa Taa 7 Gl Water Supply iccandi tact a i ds we ee a AAE 7 GEN Klee NEE 8 7 Power Supply ear enie la SEENEN an Ane 9 8 Control elle TTT 10 8 1 ON OFF Humidifier Standard sss sese 10 8 2 Modulating HUMIGIFICN nsaisan esanari inataka ana aaa aaa aar anaE a aana Ea A aai daian NAE aTa 11 9 Control panel display EE 12 10 Description of the control PC Board 13 10 1 P C Board for ON OFF Humidifier etandard sese sees eee eee 13 10 2 P C Board for Modulating Humidifier sss sees sees sees eee 14 Vite ET die Bereet TEE 15 12 Description of operation of the GR 15 h Shutdown PrOCOCUIC sss cscebeccecccntebesecensee
14. 5 1 7 8 22 9 229 0 5 125 SKR 30 40 1 1 3 8 35 14 356 0 5 125 IMPORTANT RISK OF MALFUNCTION THE STATIC PRESSURE AT THE DISPERSION TUBE LOCATION SHOULD NOT BE GREATER THAN 0 5 125 Pa DURING OPERATION FAILURE TO 5 4 DO SO WILL VOID THE WARRANTY For a higher static pressure use the Neptronic SK300 commercial series humidifier Recommendations for the location of the steam dispersion tube IMPORTANT Risk of malfunction 1 Do not split the steam output piping to supply more than one duct 2 Do not reduce the diameter of the steam hose or piping Hose and piping diameter must be the same as the diameter of the humidifier steam outlet Provide a minimum of 18 460mm of straight duct without obstructions or elbows downstream of the dispersion tube Select an accessible location in the supply air duct For the SKR 14 amp 25 use a template and drill a 1 1 2 838mm hole in the supply air duct for the installation of the of 7 8 diameter dispersion tube For the SKR 30 amp 40 use a template and drill a 2 51mm hole of in the supply air duct for the installation of the of 1 3 8 diameter dispersion tube Secure the dispersion tube bracket to the duct using sheet metal screws not included In a vertical duct installation the holes of the dispersion pipe should be aligned with the air flow see fig 8d amp 8e below Air flow Air flow Fig 8d F
15. E ee EN a Fan LED Green Drain LED Yellow Drain Push button Steam LED Green Alarm LED Red lt lt Power LED Green On Off Push button Fill LED Yellow Access panel Fig 17b SKR N eng 111012 doc 22 CC SS x V _ SKR Humidifier kit N neptronic ieee 18 3 Modulating humidifier with HRO20 External transformer SKR Printed circuit board by others Laa Pe e 4 Dip switches External cut off D Control demand from humidistat 0 10 Vdc Fan LED Green Drain LED Yellow Drain Push button Steam LED Green l Power LED Green On Off Push button Fill LED Yellow Access panel Ll com py eave L MOD DA ey HRO20 Fig 17c 18 4 Modulating humidifier with HRO20 and SHR10 or SHC80 External transformer SKR Printed circuit board by others Lee M Dip switches External cut off D Control demand from humidistat 0 10 Vdc Alarm LED Red ee Power LED Green On Off Push button Fill LED Yellow Fan LED Green Drain LED Yellow l Drain Push button Steam LED Green Fig 17d SKR N eng 111012 doc 23 ic S nNeptronic 1 General Unless otherwise arranged in writing the acceptance of the Order Confirmation by the purchaser includes
16. Main Printed Circuit Board eco E Return Se pf a Mechanical compartment ae Geh EES R Main Printed i supply c NI a DNI Quick Seel eich Relays lt J e i i Connect ele Ge y i i Heating I H T Fuse l Powered Z Powered element l 208 or 240 Vac 120 Vac 2 veas l I when i i S era l required i j i e ee Z Quick Connect S Le e LS sea Ah e See 4 120Vac 208 or 240Vac Pilot Dry contact m SS SS Se Se nH relay SA 24Vac __ Mechanical compartment P tens teat z Fill valve l To Sema Powered 30mA nec r A Pilot Dry contact_ edu cre AS High temperature l Output switch connector Airflow switch el pa eg ze e et See vi S dee SS e Se Hi High probe Orange E 24 Vdc jLow probe White nee High limit T T common humidistat HJI R POUT TTT TTT Vae Water boa ee eS P Dip switches level Humidistat sensor l or BMS system Ehe 4 7 a zx i zm o xx o zm xp mm K UJ 9 H Jeepen De e o o pm xz zm o pm xx zm e 7 Alarm LED Red lt lt Fan LED Green Power LED Green Drain LED Yellow On Off Push button Drain Push button Fill LED Yellow Steam LED Green i DAS ccess panel Fig 17a 21 SKR N eng 111012 doc CC SS x VE _ SKR Humidifier kit N neptronic ieee 18 2 Modulating Humidifier
17. acceptance of the General Conditions of Sale and Warranty of National Environmental Products Ltd hereafter referred to as NEP 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 H NEP shall not be deemed to have accepted an order until written Order Confirmation from NEP is issued to the purchaser s 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 e Our prices are net Ex works Montreal in U S Currency unless stated otherwise H 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 H 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 H For open account invoices are payable within 30 days from the date of invoic
18. and cover a The cover of the evaporation chamber and element will in general not require cleaning However if cleaning is required proceed as per the cleaning of the evaporation chamber IMPORTANT The use of wire brush or any non recommended acid will void the warranty 10 Checking the gasket a Check the gasket The gasket should not be cracked The gasket must be replaced a minimum at every second maintenance of the evaporation chamber or after one year of operation Replace more frequently if required 11 Reassembling the evaporation chamber a Rinse out the cylinder and the cover with water Place the gasket inside the cover before installing the cover on the evaporation chamber Align the dimple on the cover with the latch located nearest to the water drain fill coupling fig 2 Tighten the three latches around the cover Replace the evaporation chamber in the humidifier Tighten the water drain fill coupling Replace the steam hose on the outlet of the evaporation chamber and secure steam hose with the clamp h Reconnect the high temperature switch connector and the high voltage connector of the heating element CAUTION RISK OF OVERHEAT AND FIRE MAKE SURE THE HIGH VOLTAGE CONNECTOR IS PROPERLY LOCKED i Replace the cover on to the humidifier and lock it 12 Start up of the humidifier a Close the main power breaker fused disconnect switch to the humidifier Reset of the operating hours to zero Press POWER pus
19. at is not e Check if the steam dispersion tube is installed correctly e Install a high limit duct humidistat if required e Verify the installation and the operation of the high tube is wet installed properly or is defective if limit duct humidistat if available available The drain pipes are leaking are obstructed or the slope is incorrect e Check all the couplings and drains under the unit A drain trap is installed on the drain e Remove all drain traps Water line e Check water supply circuit accumulation The water supply connection is e Check that the clamp on the steam hose is properly under the leaking tightened on the steam outlet of the evaporation humidifier The installation of the flexible steam chamber hose is incorrect Evaporation chamber is leaking steam e Check the condition of the evaporation chamber gasket inside the evaporation cover SKR N eng 111012 doc 20 CC e N A e SKR Humidifier kit N neptron IC User Manual 18 Electrical diagram 18 1 ON OFF Humidifier standard Power supply terminals elle
20. cal water conditions service of the humidifier may be required prior to the service required alarm setting section 10 DS1 2 The routine service is a cleaning of the evaporation chamber 14 2 Evaporation chamber cleaning CAUTION RISK OF BURN THE EVAPORATION CHAMBER AND ITS CONTENTS CAN BE EXTREMELY HOT CHECK TEMPERATURE BEFORE HANDLING 1 Cooling down and draining of the evaporation chamber a Press DRAIN push button on the control panel The humidifier will initiate a drain cycle The DRAIN indicator will turn on b The DRAIN indicator is on and the water is drained from the evaporation chamber c The evaporation chamber will refill with water and drain again d When the DRAIN indicator turns off the POWER indicator will begin to flash e Check the temperature of the evaporation chamber If it is cool enough go to step 2 below otherwise repeat draining of the evaporation chamber step 1 until is cold enough 2 Shut down of the electrical supply CAUTION RISK OF ELECTRIC SHOCK TURN OFF POWER AT THE EXTERNAL BREAKER FUSED DISCONNECT BEFORE SERVICING a Remove the cover of the SKR Humidifier 3 Disconnecting the heating element a Unscrew the high voltage quick connect see fig 2 located on the right side of the electrical compartment 4 Disconnecting the high temperature switch a Disconnect the high temperature switch quick connect see fig 2 5 Disconnecting the steam hose and the water pipe
21. e indicators will turn on after DS 1 2 g interrupted the ten seconds Release SKR Humidifier shut off the push buttons Check that the static pressure inside the duct at the steam Temperature in the dispersion tube does not Alarm D Press the reset button on the High temperature evaporation chamber The operation of the Seat eee high temperature switch 2 flash exceeded the preset humidifier is Check that the steam hose is device located an th pole pause temperature of the high interrupted not blocked or kinked evaporation chamber cover temperature switch Check that the water connection on the evaporation chamber is not blocked Check that the water E Alarm connection to the evaporation Drainage Drainage sequence is The operation of the chamber is not blocked Press on the DRAIN push humidifi g ed 3 flashes pause not correct humidifier is Check that the drain piping is button interrupted not blocked Check that the shut off valve installed on the supply water Time to fill the Alarm line is open SES Fill evaporation chamber The power to the Verify the operation of the fill Automatic reset when the exceeded the preset e 4 flashes pause time in th heating element is valve proper water level is reached Level sensors 5 flashes pause microprocessor The level sensors do not detect the water level correctly interrupted Alarm The operation of the humidifier is interrupted Check that the fill valve
22. e without no deduction unless specify otherwise e An interest charge of 2 per month will be included on all overdue payments H No new order 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 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 s For International Order a written designation naming the freight forwarding agent is required and will remain in effect until notified otherwise s 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 H 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 l
23. edure Follow this start up procedure to avoid improper system operation 1 Ensure that steam distribution electrical and plumbing connections have been done in accordance with the instructions in this manual a Remove the humidifier cover CAUTION RISK OF ELECTRIC SHOCK ENSURE THAT THE POWER IS TURNED OFF BEFORE REMOVING THE COVER b Ensure that the control wiring has been made in accordance with the instructions in this manual c Ensure that dip switches section 10 DS1 are correctly set d Verify that the drain connections are connected to an open main drain of sufficient diameter e Re install the humidifier cover Open the water shut off valve external to the humidifier Turn on the power to the humidifier at the breaker fused disconnect The POWER indicator located on the control panel will flash Press the POWER push button located on the control panel The POWER indicator will stay on continuously Perform a manual cleaning cycle a The fill cycle is activated automatically when the evaporation chamber does not contain water b When the FILL indicator is off press the DRAIN push button The DRAIN indicator will come on and the water will drain from the evaporation chamber The evaporation chamber will fill with water and drain again When the DRAIN indicator turns off press on the POWER push button f Repeat steps b through e one more time to ensure proper cleaning of t
24. ere are other standard types of air chambers commercially available Please follow the steps below 1 Connect 3 8 10mm copper pipe to the 3 8 10mm braided hose supplied 2 Hand tighten the swivel top 3 4 20mm fitting to the male threaded valve connection IMPORTANT Risk of damage to the valve do not use wrench to tighten swivel ANN Fill valve in the humidifier Cap sade by others Humidifier base Male threaded e gt valve connection fi x 1 Air chamber to mn l I avoid water hammer Swivel top E i by others S Elbow fitting SP 6828 gt p n E 3 S l Water supply d 1 braided hose ina p n SP 6843 YO See ar S RRG ege Ge D pU Ys Shut off valve AJ by others by others Fig 9 SKR N eng 111012 doc 7 C ET x V _ SKR Humidifier kit N neptronic Weer ga 6 2 Drain connections e IMPORTANT No external drain traps are required e Drain outlet specification v Main drain 1 2 13mm standard copper evaporation chamber v Pan drain 1 2 13mm standard copper v Water drain temperature 140 F 60 C e Two pipes minimum 1 25mm by others must be inserted over the humidifier outlet pipes fig 10 This will create a critical air gap at the drain connections NOTE This air gap is critical for normal drain siphon operation Water supply 3 Air chamber to avoid water hammer
25. h button to turn OFF the humidifier if necessary then press and hold the POWER and DRAIN push buttons for ten seconds section 16 Types of alarm Reset b Press the POWER push button The POWER indicator on the control panel will light c The humidifier will go into a fill cycle the FILL indicator will be on d If there is a humidity demand the humidifier will produce steam Cr L222 ge SKR N eng 111012 doc 17 neptronic SKR Humidifier kit N User Manual 15 Exploded View and Bill of Material 15 1 Exploded view Option M or L i only 15 2 Bill of Material Item Description Model Part number A Evaporation chamber cylinder SKR 14 25 30 40 SWSKRCONT ASSY B Evaporation chamber cover SE ou H SKR 30 740 SP 9012 M c Evaporation chamber gasket SKR 14 25 30 40 SP 9030 SKR 14 SE 5990 SE 5991 D Heating element SE 5992 SKR 40 SE 5993 E Heating element gasket SKR 14 25 30 40 SP 1005 F High temperature switch SKR 14 25 30 40 SP 3035 G Water level sensor assembly SKR 14 25 30 40 SW SKRLEV ASSY H Water level sensor tube SKR 14 25 30 40 SP 1025 1 Water fill valve SKR 14 25 30 40 SP 6004 J Drain pipe assembly SKR 14 25 30 40 SW SKRDRAIN ASSY K Main plumbing assembly SKR 14 25 30 40 SWSKRPIPE ASSY L Terminal block SKR 14 25 30 40 SP 9046
26. he evaporation chamber Your humidifier is now fully operational No other action is necessary your SKR humidifier will produce steam upon demand from control s OD Qo 12 Description of operation of the SKR Press the POWER push button if the indicator is flashing to start the humidifier POWER indicator will light continuously If the evaporation chamber does not contain water the fill cycle is activated automatically FILL indicator is on If there is no demand from the humidity controller the humidifier is in a standby mode STEAM indicator is off On a demand of humidity the contact to activate the ventilation system fan closes FAN indicator is on and the relays close to power the electric element in the evaporation chamber STEAM indicator is on The water in the evaporation chamber will start to boil and evaporate The steam is released through the opening in the cover of the evaporation chamber The steam will travel in the flexible steam hose and disperse inside the supply duct through the steam dispersion tube During the evaporation sequence a certain amount of water is evaporated The water supply valve will open to replenish the water in the evaporation chamber Depending on the selected drain period section 10 fig 16b DS1 1 the water in the evaporation chamber will be drained DRAIN indicator is on to renew the water and to evacuate the minerals inside the evaporation chamber The SKR opera
27. id or flexible should not be less than 15 7 horizontal lengths for 1 vertical length in order to ensure continuous drainage of condensation back to humidifier or to a steam trap b The lowest point of any steam hose or rigid pipe must be the humidifier fig 7b If the humidifier cannot be the lowest point of the piping install a steam trap s S Type at the lowest point s of the steam supply piping fig 7c This trap should have a minimum height of 3 76mm c Total length of the steam hose or rigid pipe should not exceed 6 feet 1 8 meters Longer runs will result in added condensation losses and may result in system malfunction Minimum radius of any change of direction should be 12 307mm A maximum of 2 long radius elbows 12 are to be used on the steam distribution line d Whenever using rigid copper pipe use insulation to diminish condensate build up SKR N eng 111012 doc Z Fig 7a Incorrect installation Slope 15 minimum R 12 minimum Steam hose Insulated copper pipe by others Fig 7b Steam trap S Y Fig 7c Correct installations neptronic SKR Humidifier kit N User Manual 5 3 Recommendations for steam distribution piping Steam dispersion MAXIMUM allowable duct Model SEH tube static pressure at Qt Diameter Length dispersion tube location H in mm in mm in water Pa SKR 14 2
28. ig 8e Alignment of dispersion pipe Alignment of dispersion pipe in a vertical duct in a vertical duct for the SKR 14 25 for the SKR 30 40 SKR N eng 111012 doc Min 8 200mm 4 100mm 3 76mm Fig 8a Horizontal duct with a minimum height of 8 200mm H gt 10 254mm Fig 8b Horizontal duct with a minimum height of 10 254mm i Air flow K Doan to up Lye Fig 8c Mounting of the dispersion tube in a vertical duct CC SS x V _ SKR Humidifier kit N neptronic ieee 6 Plumbing connections The SKR humidifier can operate with soft or hard water Therefore for normal operation no pre treatment of water is necessary IMPORTANT Plumbing installation should conform to Local and National Codes 6 1 Water supply e Water inlet specifications v IMPORTANT Risk of malfunction do not use demineralized water v Inlet water pressure 15 to 70 psig 1 to 4 8 bars IMPORTANT Risk of malfunction Do not reduce water supply flow v Maximum temperature 85 F 30 C v 3 8 10mm standard copper supply water connection e To facilitate servicing a shut off valve not supplied should be installed in the water supply line close to the humidifier e It is recommended to install a standard strainer in the water supply line e If required an air chamber made of copper pipe see fig 9 will absorb hydraulic shock avoiding water hammer when the fill valve closes Th
29. istat see fig 12a Transformer TB5 Terminal to connect humidifier external cut off Terminal to connect the humidistat or Building Automation TB6 System see fig 12b Dip switches DS1 setting p 6900 0 ual Drain every 2 hours of operation _ Dip switches S Ce Service required alarm appear after p g Pe 750 hours of operation KOT OOT O O No function attributed les Drain every 6 hours of Fig 15a 2 10 VDC operation Top view control demand signal Service required alarm appear after a K pe D la 1500 hours of RE DS1 D operation No function attributed 0 10 VDC control demand signal Fig 15b Dip switch setting DS1 3 Dip switch is not used DS1 4 For 4 20mA input signal set the dip switch to the OFF position and connect the supplied 500 ohm resistor between the and of the terminal block TBG Note Depending on the local water conditions service of the humidifier may be required prior to the service required alarm setting see section 14 Maintenance SKR N eng 111012 doc 14 CC SS x VE _ SKR Humidifier kit N neptronic ieee 11 Start up proc
30. istat or Building Automation System signal to modulate steam output v Wire airflow switch to close when sensing air flow and open when no air flow is sensed v Wire high limit humidistat to close on drop in humidity and to open when set point is reached v Wire external cut out if required to remotely switch off humidifier Power supply terminals To fan relay ie rie Yee _ To external s E Pilot Dry contact_ _1424Vac___ Airflow swite ugereegt 6S SS ee ss R l E 24 Vdc High limit humidistat e 24d m a i 9 External cut off 0 10Vdc e Control signal 5 up aE from humidistat or BMS system 4 20 a 20m Wiring by others Fig 12b SKR N eng 111012 doc CC x bee x V S SKR Humidifier kit N neptronic earns 9 Control panel display neptronic lattes Fig 13 Front panel ALARM Indicator red z0 One or more abnormal conditions exist flashing see section 16 Types of alarm Beb Maintenance is required the humidifier is OFF O Normal operation POWER Push button and Indicator green AR Sab The push button is in the ON position SC The push button is in the OFF position and the humidifier is powered Oy 1 flash every 15 seconds flashing O Humidifier is not supplied with elec
31. ng Drain every 2 hours of Operation Service required g alarm appear after 750 hours of operation Drain every 6 hours of operation D SE Service required sl k alarm appear after TL 1500 hours of operation Lo Fig 14b Dip switch setting DS1 3 Dip switch is not used Note Depending on the local water conditions service of the humidifier may be required prior to the service required alarm setting see section 14 Maintenance Transformer EC SKR N eng 111012 doc SAK Fig 14a Top view WAT CC SS x VE _ SKR Humidifier kit N neptronic ieee 10 2 P C Board for Modulating Humidifier Dry contact TB2 to connect to fan relay in order to activate TB2 the ventilation system fan on call for humidity Samp 24Vac Te Fuse TB3 Dry contact TB3 for remote alarm annunciation 1amp Duer eh 24Vac o o o Terminal to connect the airflow proving switch and the high TB4 IP e limit humid
32. osses that may arise for any reason whatsoever as a result of our failure to adhere to such promises SKR N eng 111012 doc SKR Humidifier kit N General conditions of sale amp warranty 10 Return of good D 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 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 s 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 s 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
33. strainer and the external strainer are not blocked Check that the sensors are properly connected Check that the sensors are clean Press on the POWER push button Power Not flashing The unit is not powered Check that the main power breaker or fused disconnect switch is closed Automatic reset when the unit is powered SKR N eng 111012 doc 19 neptronic SKR Humidifier kit N User Manual 17 Troubleshooting guide Problem Causes Corrective actions The humidifier does not operate no alarm The humidifier is not powered Airflow is not detected by the airflow proving switch Ventilation system fan is not operating The airflow proving switch is not detected or not operational The high limit duct humidistat is not operational if available e Check for the main power supply and fuses e Check that the sensor tube is connected properly inside the duct and to the airflow switch e Check that the airflow switch and the high limit duct humidistat if available are located properly e Check the fan operation The humidifier does not operate alarm indicator flashing Check the alarm indicator to determine the cause e See section 16 Types of alarm to correct the situation The duct downstream of the dispersion The installation of the steam dispersion tube is incorrect The capacity of the humidifier is too high The high limit humidist
34. tes at full capacity until the programmed humidity level set point is reached When the set point is reached the humidifier will revert to standby mode The contact to activate the ventilation system fan section 10 fig 16a TB 2 will remain closed for a period of four minutes after steam production has stopped When the humidity level is below the set point the humidifier will produce steam again If there is no humidity demand for a period of more than 72 hours the humidifier will drain the water from the evaporation chambers automatically and go into standby mode SKR N eng 111012 doc 15 CC SS x VE _ SKR Humidifier kit N neptronic ieee 13 Shut down procedure During seasonal shut down the humidifier should be placed out of service 1 2 3 Press DRAIN push button to empty the water from the evaporation chamber the DRAIN indicator will be on Once the cycle has ended the DRAIN indicator will turn off Close the shut off valve external to the humidifier on the water supply line Open the main power breaker fused disconnect switch to the humidifier 14 Maintenance 14 1 General IMPORTANT Failure to perform the required periodic maintenance will void the warranty The required cleaning frequency can vary from every 2 months to once a year depending on local water conditions The SKR humidifier is equipped with an internal operating hour counter and a service required alarm Depending on the lo
35. tric power TT FILL Indicator yellow Sab Water supply valve is open O Water supply valve is closed CY STEAM Indicator green VI SO Humidifier is producing steam at 100 capacity SCH Modulating humidifier only flashin Humidifier is modulating steam output according to the demand 9 Frequency of flashing is in proportion to the percentage of steam output O Humidifier is not producing steam DRAIN Push button and Indicator yellow er Humidifier is in automatic or manual drain mode g Press DRAIN push button to stop an on going drain cycle O Drain mode is off FAN Indicator green SOS The contact to activate the ventilation system fan is closed O The contact to activate the ventilation system fan is open SKR N eng 111012 doc 12 neptronic SKR Humidifier kit N User Manual 10 Description of the control PC Board The Printed Circuit Board is equipped with an advanced microprocessor which controls all humidifier functions 10 1 P C Board for ON OFF Humidifier standard TB2 Dry contact TB2 to connect to fan relay in order to activate the ventilation system fan on call for humidity 3amp 24Vac Dry contact TB3 for remote alarm annunciation 1amp 24Vac Terminal to connect the airflow proving switch and the high limit humidistat see fig 12a Terminal to connect the humidistat or Building Automation System see fig 12a DS1 Dip switches DS1 setti
36. vvecereeeducessue Fasdion bac enshtaeed A aE eaa aE AAA a aAA G a aa a aaa e aiaa 16 E E TS 1 T EE 16 E AE E Tn TT E 16 14 2 EVaporation Chamber ClOAMING iiesssieste cxcscecvset duce supeucesestaneveaeebesceneiie qecdeechacensaanesiebiyadcesuysiaeeeateeass aaa a Saa 16 15 Exploded View and Bill of Materal sss 18 15 1 Se acak A E E A A E A A E A T T A 18 15 2 BINOR Mate Mal Secs ccveccisce cava hea han fades ves dees ta GeAgc asiaan edana aeda aa a iaaa adanadan daa aandaa 18 VGe TYPOS OF AAI EE 19 V7 Troubleshooting Quide TEE 20 UE e tee Le E EE 21 18 1 ON OFF Humidifier standardi sss 21 18 2 Modulating Humidifier AA 22 18 3 Modulating humidifier with HO 23 18 4 Modulating humidifier with HRO20 and SHR10 or GHCO0 esse eee eee eee eee eee 23 General condition of sales amp warranihy e eee K 24 SKR N eng 111012 doc 1 CC x bee x V _ SKR Humidifier kit N neptronic Weer ga 1 Presentation Thank you for choosing a Neptronic product You have purchased the best and the most robust humidifier in its category 1 1 Description of accessories supplied with the humidifier 1 steam dispersion tube 1 length of flexible steam hose 2 adjustable collars to attach the steam hose to the steam outlet 1 female fitting and a braided hose to connect the water supply For modulating humidifier only 1 resistor 500 Ohms 1 2 Humidifier overview Electrical compartment i Control panel ene A e
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