Neptronic SKR3E Installation Instructions & User Manual Download Page 20

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SKR Humidifier with SDU

User Manual

www.neptronic.com

Exploded view of SKR

(Fig. 14b)

14.4.

Bill of Material of SKR

Item

Description

Model

Part number

Evaporation chamber cylinder

SKR

-3E / 4E / 5E

SW SKRCONT-ASSY

Evaporation chamber cover

SKR

-3E / 4E / 5E

SP 9012-M

Evaporation chamber gasket

SKR

-3E / 4E / 5E

SP 9030

Heating element

SKR3E

SE 5991

SKR4E

SE 5992

SKR5E

SE 5993

Heating element gasket

SKR

-3E / 4E / 5E

SP 1005

High temperature switch

SKR

-3E / 4E / 5E

SP 3035

Water level sensor assembly

SKR

-3E / 4E / 5E

SW SKRLEV-ASSY

Water level sensor tube

SKR

-3E / 4E / 5E

SP 1025

Water fill valve

SKR

-3E / 4E / 5E

SP 6004

Drain pipe assembly

SKR

-3E / 4E / 5E

SW SKRDRAIN-ASSY

Main plumbing assembly

SKR

-3E / 4E / 5E

SW SKRPIPE-ASSY

Main PC board kit R

SKR

-3E / 4E / 5E

NW SKRESMAINSS

Main PC board kit N

– ON/OFF

SKR

-3E / 4E / 5E

NW SKRESMAIN-NSS

Main PC board kit N

– Modulating

SKR

-25

/ 30

/ 40

NW SKRES-M-NSS

SKR-TRIAC PC board (option M)

SKR

-3E

/ 4E

NW SKRET-2SS

SKR

-5E

NW SKRET-3SS

SKR-TRIAC PC board

(option L or ML)

SKR

-3E / 4E

NW SKRL-2SS

SKR

-5E

NW SKRL-3SS

Option M or L

only

Summary of Contents for SKR3E

Page 1: ...SDU SKR CE ENG 170428 SKR series Steam Humidifier with SDU module Patent Pending Installation instructions user manual READ AND SAVE THESE INSTRUCTIONS ...

Page 2: ... of the conditions for the application of the warranty The application of these instructions does not ensure at any time conformity to procedures regulation or local codes regarding electric installation and connection to local water supply This product has been declared to conform to the applicable Canadian and American safety standards and directives and bear the CSA c us mark The Certificate of...

Page 3: ...r SKR SDU with kit ROO and ROW 12 P C Board for SKR SDU with kit N 13 9 3 P C Board for modulating SKR SDU with kit N 14 10 Start up procedure 15 11 Description of operation of the SKR 15 12 Shut down procedure 16 13 Maintenance 16 13 1 General 16 13 2 Evaporation chamber cleaning 16 13 3 Maintenance of the SDU module 17 14 Exploded View and Bill of Material 18 14 1 Exploded view of the SDU module...

Page 4: ...W Included Cable 3m 10 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 Neptronic for additional information about this option 1 2 SKR with SDU module overview 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 i...

Page 5: ... a cover equipped with an electric element Fig 2 SKR N E Model number Steam capacity 3 3 kg hr M is denoting Modulating humidifier No digit on standard unit Kit option 3 M E is denoting Export model SDU Space distribution unit Dimple for the alignment of the cover Cylinder Water coupling High voltage quick connect High temperature switch quick connect Steam outlet ...

Page 6: ...l with SDU Capacity kg hr lb hr Electrical Requirements Steam outlet diameter mm in Weight kg lb Voltage V Current A Power KW Empty With water SKR3E 3 0 6 6 230 10 2 3 35 1 3 8 16 36 23 50 SKR4E 3 75 8 2 230 12 2 2 8 35 1 3 8 16 36 23 50 SKR5E 5 0 11 0 230 16 1 3 7 35 1 3 8 16 36 23 50 ...

Page 7: ... of water supply drain piping and electrical connections 4 3 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 5 for the w...

Page 8: ...ical installation 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 MODULE STEAM HOSE CLAMPS x2 ...

Page 9: ...C 85 F 15mm 1 2 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 chamber made of copper pipe see fig 7 will absorb hydraulic shock avoiding water hammer when the fill valve closes There are oth...

Page 10: ... be inserted over the humidifier outlet pipes fig 8 This will create a critical air gap at the drain connections NOTE This air gap is critical for normal drain siphon operation Fig 8a Correct installation Fig 8b Incorrect installation M ain drain evaporation cham ber Air gap M inim um 25m m pipe by others Drain No drain trap required Pan drain SK R Air cham ber to avoid water ham m er by others se...

Page 11: ...tage 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 9 Use coppers conductors only Ensure that each terminal con...

Page 12: ...th electric power FILL Indicator yellow O Water supply valve is open O Water supply valve is closed STEAM Indicator green O Humidifier is producing steam at 100 capacity O flashing Modulating humidifier only Humidifier is modulating steam output according to the demand Frequency of flashing is in proportion to the percentage of steam output O Humidifier is not producing steam DRAIN Push button and...

Page 13: ...ac TJ1 Telephone jack Terminal TJ1 to connect Room humidistat HR TB6 Terminal TB1 to connect the window temperature sensor OTW DS1 Dip switch DS1 settings 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 14 Maintenance of the SKR Installation instruc...

Page 14: ...ig 12b 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 14 Maintenance of the SKR Installation instructions user manual Fig 12 Top view ON 1 2 3 Drain every 2 hours of operation Service required alarm appear after 750 hours of operation ON 1 2 3 Drain every ...

Page 15: ...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 setting see section 13 Maintenance Fig 13 Top view ON 1 2 3 4 Drain every 2 hours of operation Service required alarm appear after 750 hours of operation No function attributed ON 1 2 3 4 Drain every 6 hours of operation ...

Page 16: ... from control s 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 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 O...

Page 17: ...rn 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 enoug...

Page 18: ...lace more frequently if required 11 Reassembling the evaporation chamber a Rinse out the cylinder and the cover with water b Place the gasket inside the cover before installing the cover on the evaporation chamber c Align the dimple on the cover with the latch located nearest to the water drain fill coupling fig 2 d Tighten the three latches around the cover e Replace the evaporation chamber in th...

Page 19: ...Model Part number A SDU manifold SKR 3E 4E 5E SW PIPESDUR ASSY B Fan assembly SKR 3E 4E 5E SP 3012 C Air pressure switch SKR 3E 4E 5E SP PSA 01 D Pitot tube assembly SKR 3E 4E 5E SW SDUR PITOT E SDU Grill SKR 3E 4E 5E SP SDUR GRILL F Silicone tubing SKR 3E 4E 5E SP 1026 G SDU cabinet SKR 3E 4E 5E SP 9005 H SDU cover SKR 3E 4E 5E SP 9004 I SDU Grill support SKR 3E 4E 5E SP9005 6 G B I D C A F H E ...

Page 20: ...perature switch SKR 3E 4E 5E SP 3035 G Water level sensor assembly SKR 3E 4E 5E SW SKRLEV ASSY H Water level sensor tube SKR 3E 4E 5E SP 1025 I Water fill valve SKR 3E 4E 5E SP 6004 J Drain pipe assembly SKR 3E 4E 5E SW SKRDRAIN ASSY K Main plumbing assembly SKR 3E 4E 5E SW SKRPIPE ASSY M Main PC board kit R SKR 3E 4E 5E NW SKRESMAINSS Main PC board kit N ON OFF SKR 3E 4E 5E NW SKRESMAIN NSS Main ...

Page 21: ...heck that the water connection on the evaporation chamber is not blocked Press the reset button on the high temperature switch device located on the evaporation chamber cover Drainage 3 flashes pause Drainage sequence is not correct Alarm The operation of the humidifier is interrupted Check that the water connection to the evaporation chamber is not blocked Check that the drain piping is not block...

Page 22: ... that the SDU supplied cable is connected between properly on the PC board of the SKR If the fan is operating then check the airflow proving switch The humidifier does not operate alarm indicator flashing Check the alarm indicator to determine the cause See section 15 Types of alarm to correct the situation Water droplets coming out of the SDU steam manifold The installation of the SDU module is n...

Page 23: ... Green Access panel Alarm LED Red Power LED Green Fill LED Yellow Steam LED Green Fill Valve High temp switch Water level sensor Heating element Quick Connect Power supply terminals Powered 30mA 24Vac Printed circuit board Powered 230 Vac HI probe Low probe Mechanical compartment SKR humidifier Quick Connect Common SDU Fan To external alarm relay Pilot Dry contact 1A 24Vac Live Return SDU Air prov...

Page 24: ...en Access panel Alarm LED Red Power LED Green Fill LED Yellow Steam LED Green Fill Valve High temp switch Water level sensor Heating element Quick Connect Power supply terminals Powered 30mA 24Vac Printed circuit board Powered 230 Vac HI probe Low probe Mechanical compartment SKR humidifier Quick Connect Common SDU Fan To external alarm relay Pilot Dry contact 1A 24Vac Live Return SDU Air proving ...

Page 25: ...Power supply terminals Powered 30mA 24Vac Main Printed circuit board HI probe Low probe Mechanical compartment SKR humidifier modulating N Quick Connect Common To external alarm relay Pilot Dry contact 1A 24Vac Live Return Dip switches External cut off 24 Vdc TB5 J1 J6 IN OUT SKR TRIAC PCB JP5 SSR Powered 230 Vac Heatingelement ON 1 2 3 4 TB3 TB6 0 10Vdc 2 10Vdc 4 20mA Control signal from humidist...

Page 26: ...sh button Drain LED Yellow Fan LED G reen Access panel Alarm LED Red Power LED G reen Fill LED Yellow Steam LED G reen SKR Printed circuit board Dip switches TB5 External cut off 24 Vdc TB6 ON 1 2 3 4 Transform er Control dem and from hum idistat 0 10 Vdc External transform er by others 1 2 12 13 14 15 16 CO M 24VAC M O D H R O 2 0 ...

Page 27: ...w Fan LED G reen Access panel Alarm LED Red Power LED G reen Fill LED Yellow Steam LED G reen SKR Printed circuit board Dip switches TB5 External cut off 24 Vdc TB6 ON 1 2 3 4 Transform er Control dem and from hum idistat 0 10 Vdc External transform er by others 1 2 12 13 14 15 16 CO M 24VAC M O D H R O 2 0 1 2 3 CO M 24VAC AND HUM IDITY O UTPUT HUM IDITY INPUT SHR10 or SHC80 ...

Page 28: ...63 Customer service Fax 1 514 333 1091 Toll free 1 800 361 2308 Business hours from Monday to Friday 8 00am to 5 00pm Eastern time US Office NEP Inc 355 North Main Street Suite 2 Hiawassee Georgia 30546 USA Tel 1 706 896 2466 Fax 1 706 896 0077 Toll free 1 800 456 2735 www neptronic com 2017 ...

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