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Nortec MES-U - page 1
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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Nortec MES-U - page 2
Table of Contents INSTALLATION 1 – RECEIVING EQUIPMENT ..............................1 – PRINCIPAL OF OPERATION ............................1 – WATER SUPPLY AND PLUMBING ..........................2 – WATER CONNECTION .............................2 – START-UP AND OPERATION ............................2 – CAPACITY ADJUSTMENT ............. ...
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Nortec MES-U - page 3
INSTALLATION RECEIVING EQUIPMENT 1. Check packing slip to ensure ALL material has been received. 2. Inspect box for damage and note on shipping waybill accordingly. 3. After unpacking, inspect unit for damage and if damage is found, advise shipper as soon as possible. 4. Inspect unit (humidifier) to ensure it is the correct model, phase, and voltag ...
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Nortec MES-U - page 4
WATER SUPPLY AND PLUMBING 1. The orifice in the fill valve is sized for an extended water pressure range of 30 to 85 psi. 2. For water pressure between 15 and 30 psi, notify the factory and the next larger size fill valve will be supplied. 3. For cases below 15 psi, notify the factory and a fill valve with an oversized orifice will be supplied. 4. ...
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Nortec MES-U - page 5
out and the fill solenoid will again open until the cylinder is again full. This cycling of the red light and fill valve will continue until the unit’s full output capacity is reached after which the water level will automatically lower itself in the cylinder. (The increased concentration allows for lower electrode coverage while maintaining the ...
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Nortec MES-U - page 6
2. The old cylinder must be drained completely before removing. This is done by pushing the auto on/off/drain switch to the “ drain ” position. 3. When completely drained, push the auto on/off/drain switch to the “ off ” position. 4. Open the main disconnect during the entire cylinder change operation. 5. The power wires to the cylinder are ...
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Nortec MES-U - page 7
is normally caused by short cycling, a restricted drain, or back pressure. The foam, generated in these instances, is conductive and may lead to false full cylinder indication if the level of the foam approaches the top of the cylinder. BACK PRESSURE: The restriction of steam flow caused by long steam runs, improperly sloped steam lines, elbows cha ...
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Nortec MES-U - page 8
Red “Change Cylinder” light on - Water NOT at top of cylinder: Water foaming to top of cylinder causing false full cylinder indication. This also may be accompanied by arcing (flashing) inside cylinder. Refer to “ Terms Used ” regarding foaming. Water remains at high level and won’t concentrate: This is normal on cold start-up and can be ...
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Nortec MES-U - page 9
-7- MES -U/MES-P HUMIDIFIER PHYSICAL DA T A MESU DIM 10/19/98 WEIGHTS (DR Y) DIMENSIONS NOTES: 1. FOR H EIGHT OF 5 LB P VC USE HEIGHT OF 10 LB MODEL. 2. PVC = PRIMARY VOL T AGE CONNECTION. 3. MODEL SHOWN: 163-91X5 (CONFIGURA TION #5) WITH CP (CLOSED PLUMBING) COVER REMOVED. LEFT VIEW FRONT VIEW TO P VI E W condair AUTO/ON OFF DRAIN condair MES-U / ...
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Nortec MES-U - page 10
-8- MES-U INTERNAL AND FIELD WIRING WIRING DIAGRAM number 150-6240 REV . B (For PVC or L VC unit with remote or attached electrical) STEAM CYLINDER NOTE: SOLID LINES WIRING BY OTHERS HIGH VOL TA GE ELECTRODE LEADS (BY OTHERS OR INCLUDED WITH PVC UNIT) -2 LEADS FOR SINGLE PHASE -3 LEADS FOR THREE PHASE PRIMARY TERMINAL BL OCK (provided with PVC unit ...
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Nortec MES-U - page 11
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Nortec MES-U - page 12
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Nortec MES-U - page 13
LIMITED WARRANTY NORTEC INDUSTRIES INCORPORATED and/or NORTEC AIR CONDITIONING INDUSTRIES LIMITED (hereinafter collectively referred to as THE COMPANY), warrant for a period of two years from date of shipment, that THE COMPANY’s manufactured and assembled products, not otherwise expressly warranted (with the exception of the cylinder) are free fr ...
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Nortec MES-U - page 14
Model # :_________________________ Serial # :_________________________ Cylinder # :_______________________ Cylinder 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 INDUSTRI ...
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