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MES-U Electrode

Steam Humidifiers

Installation, Operation,

Maintenance, Spare Parts, and

Exploded Views Guide

IMPORTANT:

Read and save this guide for future

reference. This guide to be left with equipment owner.

Form 03-111 Rev. 1

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Содержание MES-U

Страница 1: ...trode Steam Humidifiers Installation Operation Maintenance Spare Parts and Exploded Views Guide IMPORTANT Read and save this guide for future reference This guide to be left with equipment owner Form 03 111 Rev 1 ...

Страница 2: ... UP AND OPERATION 2 CAPACITY ADJUSTMENT 3 CYLINDER REPLACEMENT 3 WHEN TO REPLACE THE STEAM CYLINDER 3 REMOVING THE OLD CYLINDER 3 INSTALLING THE NEW CYLINDER 4 MAINTENANCE 4 EXTENDED SHUTDOWN 4 TROUBLESHOOTING 4 TERMS USED 4 STARTING POINT 5 PHYSICAL DIMENSIONS DIAGRAM 7 WIRING DIAGRAM 8 SPARE PARTS LIST 9 EXPLODED VIEWS DIAGRAM 10 ...

Страница 3: ...e materials shall be placed in the duct and or the air plenum PRINCIPAL OF OPERATION When the humidistat calls the cylinder fills to 110 of the Full Load Amperage F L A or to the top of the cylinder whichever comes first See Figure 1 If it reaches 110 F L A the water heats and boils away to a level giving 90 F L A An electronic timer uses the rate of amp fall to determine the water level The objec...

Страница 4: ...rrect voltage with appropriately sized service Check that the steam distributor steam supply hose and condensate line are correctly installed and routed back to the unit Ensure that the external control humidistat is located in an area to properly sense the relative humidity to be maintained by the humidifier and that the interconnecting low voltage wires between the humidistat and the unit s cont...

Страница 5: ...nit will occur automatically through the solid state control sequence CAPACITY ADJUSTMENT The MES U series of humidifiers come with adjustable capacity AC PC boards These boards have a pot labeled 20 to 100 See Figure 3 CYLINDER REPLACEMENT After an extended period of operation in accordance with life expectancy information the cylinder is completely used as indicated by the red high water sensor ...

Страница 6: ...he access cover is attached with screws Access should be limited to authorized personnel only EXTENDED SHUTDOWN Before disconnecting power to the humidifier for a period of extended shutdown ALWAYS DRAIN the cylinder first Otherwise the electrodes are subject to harmful corrosion which drastically shortens the cylinder life Do NOT leave the switch in the DRAIN position indefinitely as the drain co...

Страница 7: ...The switch could be defective Recheck that the auto on off drain switch is still at on If it is then shut off the main disconnect and check fuses or breaker of the main disconnect If they are serviceable turn power back on To test for a defective auto on off drain switch connect a wire from the fuse directly to terminal 6 on the external controls strip If the contactor activates the on side of the...

Страница 8: ...jumper across the connection of sensor on basic PC board If fill remains on when connection is jumped then basic PC board is faulty If fill shuts off then verify primary voltage to cylinder contactor energized If primary voltage is present the high water sensor PCB is defective Unit drains continually May be caused by foaming and or back pressure or leaking drain valve Cylinder is almost empty che...

Страница 9: ... 10 7 27 1 cm 17 3 43 9 cm 15 8 4 21 3 cm 10 5 26 7 cm 12 6 32 2 cm 19 4 49 3 cm 20 8 4 21 3 cm 10 5 26 7 cm 12 6 32 2 cm 19 4 49 3 cm 25 10 5 26 7 cm 10 5 26 7 cm 12 6 32 2 cm 21 3 54 0 cm 30 10 5 26 7 cm 10 5 26 7 cm 12 6 32 2 cm 21 3 54 0 cm CONFIGURATION 1 2 3 4 5 6 7 8 9 MES U MES P lbs kg lbs kg lbs kg lbs kg lbs kg lbs kg lbs kg lbs kg lbs kg 5 8 2 3 7 9 6 4 3 9 0 4 1 10 4 4 7 13 7 6 2 13 1...

Страница 10: ...EADS BY OTHERS OR INCLUDED WITH PVC UNIT 2 LEADS FOR SINGLE PHASE 3 LEADS FOR THREE PHASE PRIMARY TERMINAL BLOCK provided with PVC unit PRIMARY POWER MES U CONTROL BOARD CURRENT TRANSFORMER CHANGE CYLINDER LAMP DRAIN VALE FILL VALVE HIGH WATER SENSOR PCB ON SWITCH OFF DRAIN 187 insulated fast on For field connection 3 AMP FUSE PRIMARY CONTACTOR 24 vac By Others ON OFF CONTROLS 24 VAC INPUT By Othe...

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Страница 13: ...all other warranties expressed or implied by law No liability whatsoever shall be attached to THE COMPANY until said products have been paid for in full and then said liability shall be limited to the original purchase price for the product Any further warranty must be in writing signed by an officer of THE COMPANY THE COMPANY s limited warranty on accessories not of NORTEC s manufacture such as c...

Страница 14: ...er Last Replaced _________________________ MTH DAY YR _________________________ MTH DAY YR _________________________ MTH DAY YR NORTEC INDUSTRIES INC P O Box 698 826 Proctor Avenue Ogdensburg NY 13669 NORTEC AIR CONDITIONING INDUSTRIES LTD 2740 Fenton Road Ottawa ON K1T 3T7 A WMH COMPANY PRINTED IN CANADA ...

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