SKR series Steam Humidifier with SDU module
Contents
1. 55 5 5 555 5 94 4 nennen nennen 22 17 3 Electrical diagram for SKR with SDU module Kit 9 eene nennen nennen nennen 23 17 4 Modulating humidifier with HRO2O 1 nennen inttr interi innen 24 17 5 Modulating humidifier with HRO20 and SHR10 or 5 4080 sse nennen 24 General condition of sales amp he e se irent 4555555855 5 5 46 55 25 SDU SKR ENG 111012 doc 1 m Y eZ 5 28 SDU for SKR Humidifier neptronic 1 Presentation 1 1 Description of accessories supplied with the SKR humidifier with a Space Distribution Unit SDU module The following accessories are supplied along with the ones corresponding to kit option e 1 female fitting and a braided hose to connect the water supply Accessories Part 4 Kit RSO Kit RSW Room humidity controller HRR100 Included Included Controls Window temperature sensor OTW Included Cable 10 3m control cable SP 9047 1 length included 1 length included Kit N includes terminals for the connection of controls other than those mentioned in the above table please contact NEP for additional information about this option 1 2 SKR with SDU module overview2. 53 64 21 19 1 4 489 moo w gt 5 1 4 133 SDU for SKR Humidifier E nN e ptro nN C User Manual 5 Steam connection 5 1 Typical installation SKR sDU SDU a MODULE Hl A STEAM o 6 HOSE V CLAMPS x2 Fig 6 A silicone tubing steam hose is inserted between the steam outlet of the evaporation chamber and the steam manifold assembly of the SDU module Verify that the clamps are tight at both end of the silicone tubing to prevent leaks SDU SKR ENG 111012 doc m Y eZ E SU SDU for SKR Humidifier neptronic 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 Water inlet specifications Y IMPORTANT Risk of malfunction do not use demineralized water Y nlet 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 To facilitate servicing a shut off valve not supplied should be installed in the water supply line close to the humidifier It is recommended to install a standard strainer in the water supply line If required an air cha
3. SDU Electrical module compartment Control panel Evaporation chamber Water level sensor J Ags Water fill valve Fig 1 SDU module option is available only along with kit R or N Kit D or S is non compatible because no air duct is present Please note that the APS supplied with standard Kit R will be substituted for an Air flow proving switch integrated into the SDU module SDU SKR ENG 111012 doc 2 ne ptro SDU for SKR Humidifier User Manual 1 3 Numbering system SKR14M 120 NS Model number i j B kw D 14 1 4 kW Voltage 120 120 Vac Kit option M is denoting Modulating humidifier No digit on standard unit 2 Definition 2 1 Evaporation chamber Assembly including the stainless steel cylinder and a cover equipped with an electric element High voltage quick connect Dimple for the alignment of the cover di sus High temperature switch quick connect Steam outlet Cylinder Water coupling ak Fig 2 SDU SKR ENG 111012 doc LA mI Y eZ 28 SDU for SKR Humidifier neptronic 3 Characteristics NY 229 mm 500 mm 19 3 4 267mm Ne 10 1 2 Fig 3 i Electrical Requi t Weight Ib k Model with 2 ectrica equirements alg 19 g SDU Voltage Current Power in
4. IC neptron SKR series Steam Humidifier with SDU module Patent Pending tructions 0 9299999O99999999999999099999999999999909000 WBBSGSSIGIGIGIGASIGgqgqosqaoqoqqwaqqoqgqoqgqqgqqggqqgqqgqogyey SS SISSE SIS t T E t SSES 2 25 EEE EESE EEEE 2322123233 SOOO OO OO OO EE RR SS SISSE x TLE OOOO eaan EEE aoaaa aaan 00O Laana OOOO 2313152112 2125 512 ISIN HOI 5121 ISI SISSE S OOOOOO OO UO DOOR 22 les pa INS Installation amp user manual READ AND SAVE THESE INSTRUCTIONS US C SDU SKR ENG 111012 re 8 SDU for SKR Humidifier neptronic 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 Canadia
5. eC Ud dn aL Opere e deck gas 5 5s Steam 0 611101 0116 ERE 6 ba Typicallimstallatiomis erinnere Fer eit tte ipie cat euge a eee 6 6 PIUMDING CONMECHIONS vss EE 7 6 1 WalerSupply ei Ae a aede ge LE DE eu 7 6 2 Drai Connections ke eg 8 J POwer supply connection sssrin n 9 8 Control panel display mE eka aaa oaaae aaa anaa aa aaa aaa 10 9 Description of the SKR control PC Boards cccecccecececeeeeeeeeeeceeeeeceaeeeeaaeeeeeeecaaeseeaaeseeeeeceaeeesaaesdeaeeseeeesiaeeseaeeseeeeess 11 9 1 P C Board for SKR with kit RSO and RSW sssssssssssssssseseee niente aaaea keda se enne snnt nein rene 11 9 2 P C Board for SKR With kit IN S terrier trt exa ta eto kh Ra Ehe aces co re ga eco by accu ex Re XT PEE Pa edv oa ENEA 12 9 3 P C Board for modulating SKR with kit N S tenen nene 13 n ME CudVnde ee c M 14 11 Description of operation of the SKR rerainane aiaa aaa aaie iaa aaa Aaaa E A E EAE aa Ea E ae KAERA 14 12 lt naeetijeee eu temm 15 143 I IDICIrogc e E lead ues TAE TE EEEE E E EE E A E 15 Tie General mssiimie
6. 30 40 SP 9004 SDU Grill support SKR 14 25 30 40 SP9005 6 SDU SKR ENG 111012 doc pads Y eZ ND SDU for SKR Humidifier neptronic icc cede 14 3 Exploded view of SKR Option MorL only i Fig 14b 14 4 Bill of Material of SKR Item Description Model Part number A Evaporation chamber cylinder SKR 14 25 30 40 SWSKRCONT ASSY B Evaporation chamber cover SKR 14 25 30 40 SP 9012 M C Evaporation chamber gasket SKR 14 25 30 40 SP 9030 SKR 14 120 SE 5990 D Heating element Senet Eh i SKR 30 240 SE 5992 SKR 40 240 SE 5993 E Heating element gasket SKR 14 25 30 40 SP 1005 F High temperature switch SKR 14 25 30 40 SP 3035 SKR 14 25 30 40 SWSKRLEV ASSY Water level sensor tube SKR 14 25 30 40 SP 1025 Water fill valve SKR 14 25 30 40 SP 6004 qc z Drain pipe assembly SKR 14 25 30 40 SW SKRDRAIN ASSY Main plumbing assembly SKR 14 25 30 40 SW SKRPIPE ASSY SKR 14 NW SKR120MAINSS RI SKR 25 30 40 NW SKR240MAINSS SKR 14 NW SKR120MAIN NSS M MAI P BOATA LN ONOEE SKR 25 30 40 NW SKR240MAIN NSS SKR 14M NW SKR120 M NSS Main PC board kit N Modulating eig osm 30m 40mM NW SKR240 M NSS SKR 14M 25M 30M NW SKRET 28S r SKR TRIAC PC board option M SKR 40M NW SKRET 3SS SKR TRIAC PC
7. SHC80 SKR Printed circuit board External transformer by others bots Se mes External cut off Dip switches Control demand from humidistat 0 10 Vdc Fan LED Green Drain LED Yellow Drain Push button Power LED Green On Off Push button Fig 17c SDU SKR ENG 111012 doc Fill LED Yellow Steam LED Green m ee gt HRO20 SHR10 AND 5 680 24 neptronic SDU for SKR Humidifier General conditions of sale amp warranty 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 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 e NEP shall not be deemed to have accepted an order until written Order Confirmation from NEP is issued to the purchaser 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 o
8. and be connected the indicated location fig 9 e Use coppers conductors only e Ensure that each terminal connection is properly secured e Install the supplied strain relief bushing at the bottom of the electrical compartment for of the supply cable Terminal connection Ground connection Opening for control cables Strain relief bushing for passage of the electrical cable Fig 9 Left side view SDU SKR ENG 111012 doc 9 neptronic SDU for SKR Humidifier User Manual 8 Control panel display neptronic A Se 5 alal Fig 10 Front panel ALARM Indicator red zO One or more abnormal conditions exist flashing see section 15 Types of alarm Oc Maintenance is required the humidifier is OFF 0 Normal operation POWER Push button and Indicator green 2 3 The push button is in the ON position 705 The push button is in the OFF position and the humidifier is powered a 1 flash every 15 seconds flashing i 0 Humidifier is not supplied with electric power FILL Indicator yellow zO Water supply valve is open O Water supply valve is closed DR STEAM Indicator green 30 Humidifier is producing steam at 100 capacity 20 Modulating humidifier only flashin Humidifier is modulating steam output according to the demand 9 Frequency of flashing is in proportion to th
9. board SKR 14 25 30 NW SKRL 28S option L or ML SKR 40 NW SKRL 3SS SDU SKR ENG 111012 doc 18 ic 2 neptronic SDU for SKR Humidifier User Manual 15 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 Indicator Condition Consequences Corrective actions Reset Service required 1 Flashing Operating hours exceeded the service Alarm No interruption of Proceed to a service e Press the POWER push button to turn OFF the required alarm hour the operation of the See section 13 Maintenance fnr fi continuousl i i dins humidifier if necessary y setting DS1 2 humidifier e Press and hold DRAIN A and POWER push Service required Operating hours Mens buttons simultaneously for 2 Indicator is exceeded by more than us ten seconds These two continuously on Bir hours the service The operation of the Proceed to a service indicators will turn on after required alarm setting Pumnidifier d is See section 13 Maintenance the ten seconds Release uus DS1 2 interrupte the push buttons SKR Humidifier shut off Mich temperature aue me Aem naboa or aea Press the reset outon on the igh temperature The o
10. in writing on the R M A Form 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 Non standard product SK units with special feature Multisteam manifolds and any DI unit are not returnable and not refundable 11 Warranty Provided that the terms of payment are observed the purchaser is offered a warranty of 24 months from the original purchase date of delivery for any NEP s standard product provided the equipment has been properly installed and operated in accordance with NEP instructions e The warranty covers faulty manufacture design and or defective materials and is limited to the equipment and components The warranty shall cease to be valid in the event of misapplication incorrect installation improper maintenance or any other incorrect uses or misuse of the product 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 acco
11. required on the evaporation chamber e Check if the ventilation openings are not blocked SDU SKR ENG 111012 doc 20 pads Y eZ E SU SDU for SKR Humidifier Ke neptronic 17 Electrical diagram 17 1 Electrical diagram for SKR with SDU module Kit R Power supply terminals Live En i em Output 4e connector Printed circuit board 9 to SDU gt Mechanical compartment Power 9 Mechanical compartment E supply 8 8 proe e ae ODN i Quick ele terminals 9 H Output Connect B 1 n connector Fuse l j Heating l Q 2 Rel P l to SDU I Powered element d o Fays i 208 240 Vac eang lg i 120 Vac i l 9r re element i a a al eee Fuse when required e i 1 i Quick i 5 Connect 7 7 I2 208 or 240Vac 120Vac Not used Mechanical compartment Powered 30mA To external alarm relay PER 1A 24Vac temperature Output switch Hal connector Hg HI probe Orange Quick fff probe white Connect Common Common M Dip swi
12. 1 2m above floor for the installation of water supply drain piping and electrical connections 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 humidifier will be mounted see page 3 for the weight of the unit Use the keyholes located on the back panel of the SDU module wall mounting plate Drill holes for the upper anchors holes with eyelets into the support or wall as per dimensions specified in the table fig 4 Holes dimensions diameter and depth should be in accordance with the recommendations of the chosen anchors If necessary install bolt anchors Insert the 2 upper screws holes with eyelet of a minimum diameter of 1 4 6mm screws are not supplied Leave a clearance between screw heads and wall in order to permit the mounting of the SDU wall mounting plate Hang the SKR SDU humidifier on the 2 upper screws When the SKR SDU humidifier is positioned on the screws insert the lower screw Then tighten all screws to secure the humidifier SDU SKR ENG 111012 doc Fig 4 y 1 cn C Fig 5 Front view Dimensions inches mm SKR SDU 6 3 8 162 2 50
13. 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 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 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 Donot misplace the gasket located between the cover and the cylinder 0o OQ SDU SKR ENG 111012 doc 15 pads Y eZ sd SDU for SKR Humidifier neptronic icc cede 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 If the amount of scale to be removed is significant the service required alarm setting and or the drain rate section 9 DS1 1 may be set too high for the local water
14. KR Automatic reset when the humidity controller is detected Power Not flashing The unit is not powered e Check that the main power breaker or fused disconnect switch is closed Automatic reset when the unit is powered SDU SKR ENG 111012 doc 19 neptronic SDU for SKR Humidifier User Manual 16 Troubleshooting guide for SDU module Problem Causes Corrective actions nu e Check for the main power supply and fuses Poids Pb cd e Check that the sensor tube is connected properly to The humidifier proving switch B y the pitot tube and to the airflow proving switch does not operate e The fan assembly of the SDU module Check the fan operation isnt ob ratin e Check that the SDU supplied cable is connected no alarm NU M S uns Ahen between properly on the PC board of the SKR operational e f the fan is operating then check the airflow proving P switch The humidifier does not operate alarm indicator flashing Water droplets coming out of the SDU steam manifold Check the alarm indicator to determine the cause The installation of the SDU module is not properly level Foaming condition is occurring inside the evaporation chamber Obstruction of the ventilation openings on the front cover of the SKR e See section 15 Types of alarm to correct the situation e Check if the SKR SDU unit is installed correctly e Drain the SKR and verify if maintenance is
15. _ High ________ 14A 24Vac_ temperature i Output switch connector Not used p AN C Lacs eee oe Dip switches Humidistat sensor or BMS system Alarm LED Red e Power LED Green On Off Push button Fill LED Yellow 5 Fan LED Green Drain LED Yellow Drain Push button Steam LED Green Fig 16 SDU SKR ENG 111012 doc 22 ic 2 neptronic SDU for SKR Humidifier User Manual 17 3 Electrical diagram for SKR with SDU module Kit M N Power supply terminals E o olive sasad Reum Output Main Printed Circuit Board NET ii Mechanical compartment T MainPrinted Power EE br F circuit board a v zj supply e Powered i Su Bi m oe ee F 5 s terminals 208 eem owd aa Sel MESE 2111 gt 2 1 mei Em oA 1 Quick i required lt PCB EENE OR EEE psss icy EN CL MN i z 5 E 120Vac 208 or 240Vac Not used Mecha
16. 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 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
17. e percentage of steam output 0 Humidifier is not producing steam AIN Push button and Indicator yellow O Humidifier is in automatic or manual drain mode indi Press DRAIN push button to stop an on going drain cycle O Drain mode is off SDU SKR ENG 111012 doc FAN Indicator green 2 3 The contact to activate the ventilation system fan is closed O The contact to activate the ventilation system fan is open neptronic SDU for SKR Humidifier User Manual The Printed Circuit Board is equipped with an advanced microprocessor which controls all humidifier IMPORTANT Certain features on the SKR pc board cannot be used when the humidifier is integrated along 9 Description of the SKR control PC Boards e functions e with a SDU module 9 1 P C Board for SKR with kit RSO and RSW TB1 Terminal to SDU Fan TB1 TB2 Not used TB3 Dry contact TB3 for remote alarm annunciation 1A 24 Vac TJ2 Not used Telephone jack Terminal TJ1 to connect Room humidistat TJ1 HR 86 Terminal TB6 to connect the window temperature sensor OTW Dip switch DS1 settings Drain every 2 hours of operation Service required D g alarm appear after 750 hours of operation E Drain every 6 hours of DS1 operation E Lu Service required 5 Lk alarm appear after
18. ef 1 1500 hours of operation Fig 12 Fig 12b Top view Dip switch setting DS1 Dip switch 3 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 13 Maintenance SDU SKR ENG 111012 doc 12 neptronic SDU for SKR Humidifier User Manual 9 3 P C Board for modulating SKR with kit N S TB1 Terminal to SDU Fan TB1 TB2 Not used TB3 Dry contact TB3 for remote alarm annunciation 1A 24 Vac TB4 Not used TB5 Terminal to connect to an external cut off dry contact see fig 17 TB6 Terminal to connect the humidistat or Building Automation System see fig 17 DS1 Dip switch DS1 settings Drain every 2 hours of operation Service required alarm appear after am 750 hours of operation NO Drain every 6 hours of operation No function attributed 2 10 VDC control demand signal Service required alarm appear after 1500 hours of operation o m v tc No function attributed 0 10 VDC control demand signal Fig 13b Dip switch setting DS1 Dip switch 3 is not used Note Depending on the local water conditions service of the humidifier may be required prior to the service required alarm sett
19. ef 11 1500 hours of operation Fig 11b Dip switch setting DS1 Dip switch 3 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 13 Maintenance SDU SKR ENG 111012 doc l oooooaod z amp 8 Transformer g amp e TJ2 n 1 5 ee wee eL o Ji Ep et Fig 11 P C Board top view pads Y eZ EO SDU for SKR Humidifier neptronic icc cede 9 2 P C Board for SKR with kit N S TB1 Terminal to SDU Fan TB1 tar TB2 Not used ooagqagoaod Dry contact TB3 for remote alarm annunciation TBS 4A 24 Vac O TB4 Not used i TB5 Terminal to connect the humidistat or Building Automation ipud System see fig 16 Dip switch DS1 settings Drain every 2 hours of operation 5 Service required 2 alarm appear after gt a 3 amp i 750 hours of operation T e Drain every 6 hours of Bes did operation gt E Service required e e alarm appear after E M glu e
20. einsn a iiinis aaia aE aA eee esc EA ea aaae 15 13 2 Evaporation chamber cleaning cc ccceeceeeeeeeeeeaeeeeeeeceaeeeeaaeeeeaeeseaeeeceaeeeeaaeseeeeeecaaeeeeaaeseneeeseeeescaeeeeaeseeneeeaas 15 13 3 Maintenance of the SDU module sss esent nennen inneren 16 14 Exploded View and Bill of Material nnne nennen nnne tenens 17 14 1 Exploded view of the SDU module 4 nsns ens 17 14 2 Bill of Material of the SDU 00 6 5 5 4 nennen 17 14 3 Exploded view of SKR 5 5 55 4 adsan 16 14 4 Bill of Material of 5 enne nr sn tuttu AEEA stets irren internen 18 15 Ee T0 AIAN PEE 19 16 Troubleshooting guide for SDU module sse esent nnns nennen 20 7 Electrical CA QK AI ERES 21 17 1 Electrical diagram for SKR with SDU module Kit Ruw eeecececeececeee cece eeeeaeeeeeeeceaeeeeeaeeeeaeeseeeeessaaeseeaeseeneeeeas 21 17 2 Electrical diagram for SKR with SDU module Kit
21. ending on local water conditions e The SKR humidifier is equipped with an internal operating hour counter and a service required alarm Depending on the local water conditions service of the humidifier may be required prior to the service required alarm setting section 9 DS1 2 e routine service is a cleaning of the evaporation chamber 13 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 The evaporation chamber will refill with water and drain again When the DRAIN indicator turns off the POWER indicator will begin to flash Check the temperature of the evaporation chamber 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
22. ing see section 13 Maintenance SDU SKR ENG 111012 doc Fig 13 Top view pads Y eZ sd SDU for SKR Humidifier neptronic icc cede 10 Start up procedure Follow this start up procedure to avoid improper system operation 1 Ensure that 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 9 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
23. mber made of copper pipe see fig 7 will absorb hydraulic shock avoiding water hammer when the fill valve closes There 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 Handtighten 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 SN LT Fill valve in the humidifier Cap by others Humidifier base Male threaded valve connection xe Air chamber to M d avoid water hammer Swivel top t by others io Elbow fitting gt p n SP 6828 gt E 5 E Water supply braided hose p p n SP 6843 M4 ES OO ali NE 2 1 ee ES 1555 PEN EROR 4 Shut off valve a by others by others Fig 7 SDU SKR ENG 111012 doc 7 m Y eZ sd SDU for SKR Humidifier neptronic 6 2 Drain connections IMPORTANT No external drain traps are required Drain outlet specification Y 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 8 This will create a critical air gap at the drain connection
24. mm With kg hr V A KW mm Empty water SKR 14 45 1 3 8 36 50 12 12 1 4 CASA 2 05 35 16 23 SKR 25 75 1 3 8 36 50 24 11 25 VILLA 3 41 35 16 23 SKR 30 9 1 3 8 36 50 240 15 3 0 CHATEAU 4 1 35 16 23 SKR 40 12 1 3 8 36 50 240 17 4 0 BELVEDERE 5 45 35 16 23 SDU SKR ENG 111012 doc 4 neptronic SDU for SKR Humidifier User Manual 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 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 Positioning The front panel and the left side electrical compartment should be accessible in order to permit easy servicing of the humidifier Leave a minimum clearance of 36 0 91m from the front panel 12 0 30m from the left side 6 0 15m from the right side and 18 0 46m above the humidifier The SKR humidifier with SDU module should be mounted 39 to 47 1 to
25. n 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 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 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 p
26. nical compartment po 1 Fill valve i Powered 30mA To external 24Vac gt cu NR Pilot Dry contact High 1A 24Vac temperature Output switch connector High probe Orange Not used lLow probe White i commons l E F n 7 7 74 c D NN 6 4 Dip switches level poda sensor i cut o Control demand _ from humidistat M or BMS system e 0 10 VDC 2 10 VDC 4 20 mA Raat te ASL _ O i O eee Fan LED Green Drain LED Yellow Drain Push button Steam LED Green Alarm LED Red lt Power LED Green l On Off Push button Fill LED Yellow Access panel Fig 17a SDU SKR ENG 111012 doc 23 ic 2 neptronic SDU for SKR Humidifier User Manual 17 5 we r 24 Vdc Modulating humidifier with HRO20 External transformer by others SKR Printed circuit board bas gaara a E External cut off Dip switches Control demand from humidistat 0 10 Vdc Fan LED Green Drain LED Yellow Drain Push button Steam LED Green Power LED Green On Off Push button Fill LED Yellow Access panel f COM no 24VAG e La MOD mA HRO20 Fig 17b Modulating humidifier with HRO20 and SHR10 or
27. 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 push button to turn OFF the humidifier if necessary then press and hold the POWER and DRAIN push buttons for ten seconds section 15 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 2 02O020 co 13 3 Maintenance of the SDU module e The SDU module is maintenance free No maintenance is required SDU SKR ENG 111012 doc 16 neptronic SDU for SKR Humidifier User Manual 14 Exploded View and Bill of Material 14 1 Exploded view of the SDU module F D z ON l Fig 14a 14 2 Bill of Material of the SDU module Item Description Model Part number SDU manifold SKR 14 25 30 40 SW PIPESDUR ASSY E SKR 120vac SP 3011 SKR 208 or 240vac SP 3012 c Air pressure switch SKR 14 25 30 40 SP PSA 01 D Pitot tube assembly SKR 14 25 30 40 SW SDUR PITOT E SDU Grill SKR 14 25 30 40 SP SDUR GRILL F Silicone tubing SKR 14 5 30 40 SP 1026 6 SDU cabinet SKR 14 25 30 40 SP 9005 SDU cover SKR 14 25
28. 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 Delivery time is stated approximately and depends on the product ordered please allow a minimum of a 2weeks for processing North American order b 6 weeks for processing International order e We wil 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 SDU SKR ENG 111012 doc 10 Return of good 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 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
29. peration of the high temperature switch exceeded the preset Ms Check that the water 2 flashes pause teneretur of E high humidifier 5 vocan Gace C E device located on 6 interrupted p evaporation chamber cover temperature switch chamber is not blocked e Check that the water Alarm connection to the evaporation Drainage Drainage sequence is The operation of the chamber is mptbloeked Press on the DRAIN push humidifi ed 3 flashes pause not correct humidifier iS S Check that the drain piping is button interrupted not blocked e Check that the shut off valve installed on the supply water Time uS p va Alarm line is open Fill d LET I pata The power to the e Verify the operation of the fill Automatic reset when the 4 flashes pause tim i P the heating element is valve proper water level is reached microprocessor interrupted e Check that the fill valve strainer and the external strainer are not blocked Alarm e Check that the sensors are Level sensors V Em The operation of the properly connected Press on the POWER push 5 flashes pause level correctly humidifier is e Check that the sensors are button interrupted clean Alarm e Check that the NEP supplied Wall humidity controller 6 flashes pause Sensor not detected or not operational The power to the heating element is interrupted cable is connected between the HRR100 and the TJ1 terminal on the PC board of the S
30. rdance with the paragraph 10 Returns of goods as described in this document 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 Product or component replaced or repaired under warranty will be sent back to the purchaser standard freight paid by NEP Expenses in connection with traveling 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 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 25
31. rder 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 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 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 For open account invoices are payable within 30 days from the date of invoice without no deduction unless specify otherwise e An interest charge of 2 per month will be included on all overdue payments 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 Shipments are Ex works 400 Lebeau St Laurent Quebec H4N 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 For International Order a written designation naming the freight forwarding agent is required and will remain in effect until notified
32. roducts 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 A m Z _ SDU for SKR Humidifier ne ptro NIC Table of contents Table of contents Foreword amp Manufacturer Presentation cccccee cece eect ee eee ensi se he ener 4558 555 1 1 1 1110 1119101151 7 717657 511 5 tit IAM LA uL ID Et etree reer 2 1 1 Description of accessories supplied with the SKR humidifier with a Space Distribution Unit SDU module 2 1 2 SKR with SDU module overview scissioni niais rianan iaaa nn tenet nsa dns sn terns sn 2 1 161 1 1016 1 101 795 eee eripit nem enn e Rr er dc ee dad y Peu ER 3 Defihitiofo troie MEME IL ME A M SE 3 243 Evaporation chamber 3 MEE ecu c 4 4 Mechanical 518 0 cesses ennt inaasar entente a aaa aaa aa are senten 5 4 1 General recommendations sess eene sinn intres innen 5 LEN Lco Pm 5 4 3 Wall mounting iie te
33. s NOTE This air gap is critical for normal drain siphon operation E e 8 a 8 a eS supply fa Air chamber to avoid Pan son Ue water hammer Main drain ae by others evaporation chamber n TE see sect 6 1 Air gap fel Minimum 1 25mm pipe am by others N Shut off lue N 3 8 copper pipe h Drain tsi by others by others No drain trap required Fig 8a Correct installation HLN lt Main drain evaporation chamber must be straight Do not install elbow Fig 8b Incorrect installation SDU SKR ENG 111012 doc 8 2 pads Y eZ E SU SDU for SKR Humidifier neptronic icc cede 7 Power supply connections e 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 e IMPORTANT The wiring to the humidifier should be done by a qualified electrician and conform to procedures regulations and local codes e Ensure that the voltage required by the humidifier is the same as the available power supply e Ensure that the size of the wire conductors is appropriate for the current required by the humidifier e dedicated external breaker fused disconnect must be installed e The ground conductor must be equipped with ring terminal
34. tches OTW Alarm LED Red lt Power LED Green On Off Push button Fill LED Yellow B Fan LED Green Drain LED Yellow Drain Push button Steam LED Green Access panel Fig 15 SDU SKR ENG 111012 doc 21 06 SDU for SKR Humidifier neptronic User Manual E N 17 2 Electrical diagram for SKR with SDU module Kit N Power supply termine 4 oHe Output ep Retumn connector Printed circuit board to SDU _ _ _ Mechanical compartment Power H 5 Mechanical compartment 37 supply o AEM DU i AZDA Quick terminals B 9 9 1 Output Connect l s e 9 o T T ing A i 259 a Fuse cee 1 1 db 2 Relays Powered Heating Te ES 120 Vac TE 208 or 240 Vac element a SUE ERU ES E VICA Fus Ae when required i Quick j l MEN TL MN 3 Lu E EE eae eee EDU eh ee t or um E CC 120Vac 208 or 240Vac Not used To external Hs i Pilot Dry contact
35. tion 9 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 operates 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 fan assembly 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 SDU SKR ENG 111012 doc 14 pads Y eZ sd SDU for SKR Humidifier neptronic icc cede 12 Shut down procedure During seasonal shut down the humidifier should be placed out of service 1 Press DRAIN push button to empty the water from the evaporation chamber the DRAIN indicator will be on 2 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 3 Open the main power breaker fused disconnect switch to the humidifier 13 Maintenance 13 1 General e IMPORTANT Failure to perform the required periodic maintenance will void the warranty e The required cleaning frequency can vary from every 2 months to once a year dep
36. 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 the evaporation chamber Your humidifier is now fully operational No other action is necessary your SKR humidifier will produce steam upon demand from control s o Qo 11 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 f 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 into the space by fan assembly of the SDU through the steam manifold 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 sec
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