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RESDELUX
Steam Humidifiers
Installation, Operation,
Maintenance and
Troubleshooting Guide
IMPORTANT: READ AND SAVE THESE INSTRUCTIONS. This
guide to be left with equipment owner.
Form 03-58 1505691 REV. A
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Table Of Contents INSTALLATION 1 RECEIVING & UNPACKING EQUIPMENT ................................1 PRE-INSTALLATION CHECKPOINT ...................................1 HUMIDIFIER CONFIGURATION......................................1 LOCATION & MOUNTING.........................................1 HUMIDIFIERS .............................................1 STEAM DISTRIBUTOR NOZZLE (in duct location) ..........................2 STEAM HOSE INSTALLATION.....................................3 CONDENSATE HOSE (
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PRINCIPLE OF OPERATION.....................................12 FILL RATE...............................................12 DRAIN TIME..............................................12 RATED AMPERS ...........................................12 SHORT CYCLING...........................................12 FOAMING ...............................................12 BACKPRESSURE...........................................12 MONITORED LEG...........................................12 RESDELUX WIRING DIAGRAM ...
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HUMIDIFIER CONFIGURATION INSTALLATION To avoid any danger, never operate the RECEIVING & UNPACKING EQUIPMENT humidifier with a door off. 1. Check packing slip to ensure ALL material has To open the door, use the key to unlock, lift door been delivered. up slightly and pull door forward. 2. All material shortages are to be reported to LOCATION & MOUNTING NORTEC within 48 hours from receipt of goods. NORTEC assumes no responsibility for any HUMIDIFIERS material shortages beyond this period. RESDEL
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Figure #3 the duct. Remove internal insulation material if Wall Mounting Detail necessary. (See Figure #5). Figure #5 Wall 0.6” Steam Distribution Nozzle Mounting Arrangement (1.6 cm) FastenHumidifierTo WallUsingScrews2”long (2)suppliedbyother 12.1” A (30.7cm) 6. DO NOT mount humidifier on hot surfaces. 7. DO NOT mount humidifiers in an area where freezing may occur. 3. When the steam distribution nozzle is located above the top surface of the humidifier: The 8. DO NOT mount humidifiers on a vib
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Figure #7 3. Avoid condensate traps in the hose, see Figure Steam Plumbing Arrangement Below Humidifier #8. 4. Use wall clips (p/n 158-5001) to support the steam and condensate hoses and maintain 1” min. 10º min. 2º clearance from the wall. The connection can also be made with ¾” copper pipe with 1” thermal insulation rated for 215F (101°C). CONDENSATE HOSE (supplied) min. 10º Nortec Humidifiers All Models Under normal circumstances, when the steam distribution nozzle is above the top surface o
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4. Put the power leads from the blower pack through switched off at the electrical panel, or that it is this opening as you position the blower pack on unplugged (RESDELUX/C). top of the RESDELUX humidifier 3. Find a suitable location for mounting the remote 5. Push the blower pack forward until the locating blower pack. The surface should be flat with tabs on the bottom of the blower pack with slots in adequate clearances for the top, side, and front: the top of the RESDELUX push forward to eng
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NOTE: Improper wiring could damage the blower more corrosive. Some hardware changes may pack or RESDELUX PCB. be required, at the time of order or in the field. 9. Remove the front door and service cover from 3. DO NOT supply hot water to the humidifier. the RESDELUX humidifier. Minerals will adhere more easily to surfaces and the fill valve’s small flow regulating orifice could 10. Connect the power leads for the blower pack to become plugged. terminal P7 on the RESDELUX control board located n
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the flood level rim of a city-approved indirect waste 2. Check available power supply and resolve any receptor. wiring problems BEFORE installing and operating the unit. ELECTRICAL 3. The 120 volt humidifier operates on 11.5 or less amps and may be used in any properly wired, ELECTRICAL REQUIREMENTS FOR general purpose household receptacle. See Table PERMANENTLY CONNECTED RESDELUX #2 for specifications for individual branch circuit requirements. 1. Check and ensure that available voltage and pha
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current) across terminals 1 and 2 on the low voltage Control Installation control terminal. 1. Wall Humidistat: Mount any wall humidistat Caution: This is the “common” wire from the (control or high limit) over the standard electrical transformer that is connected to the ground. It will box at a height similar to a typical thermostat. short on/off control loop if it touches a grounded Any wall humidistat should be in a location metal surface. representative of overall space being humidified and
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valves operation. Green and yellow lights flash during A flashing yellow light indicates a fault of the this time. humidifier and the controller shuts off the humidifier. Please refer to troubleshooting section. If there is no call for humidity, the humidifier is standing by and green light flashes. When control loop For periods of time with no call for humidity, longer is closed, the green light is steady on and the than 2 days, the humidifier automatically drains water humidifier starts its op
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(Life varies from 500 to 2000 operating hours, as cylinder or quote the unit’s serial number, model and illustrated in Figure #16.) voltage located on the spec label (nameplate). The RESDELUX control board constantly monitors 1. Turn off the water supply to the unit. unit performance and will shut down the humidifier and alert the customer to change the cylinder. The yellow 2. The used cylinder must be drained completely light will flash 4 times in sequence. before removal. If the water has just
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3. This color-coding must be adhered to when 12. Push the two slip-on terminals back onto the two replacing cylinder plugs on pins. tabs on the coil. The terminals, although not identical, are reversible. 4. The electrode plug with the orange wire always goes on the single pin surrounded by a plastic WARNING: To prevent the possibility of electrical shoulder. shock the green ground wire must be reinstalled before power is restored. 5. Ensure that cylinder plugs fit snugly on the pins. EXTENDED S
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is provided in the section titled OPERATION. For TROUBLESHOOTING a more detailed understanding please contact your NORTEC representative. PLEASE READ THIS SECTION BEFORE REFERENCING SPECIFIC DIAGNOSTIC 3. When contacting your local representative or MESSAGES. NORTEC for troubleshooting assistance, please ensure the serial number has been obtained for 1. Ensure the installation detail conforms with the reference purposes. recommendations contained in the Installation section of this manual. 4. Wh
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SHORT CYCLING PROCEDURES AND TERMS USED IN DIAGNOSING When the ‘on time’ of the humidifier is less than ten minutes upon a call for humidity. To correct short PRINCIPLE OF OPERATION cycling, all humidifiers have a capacity adjustment which allows the output of the humidifier to be reduced The conductivity of the water within the cylinder as low as 25% of rated output, thus extending the ‘on must be controlled in order for the humidifier to time’ required to maintain output. Excessive short funct
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110-120 Vac 110-120 Vac 208-240 Vac CORD CONNECTED Hookup Hookup L1 N L2 L1 N L2 GND L1 N L2 GND G G G MODEL RESDELUX/C MODEL RESDELUX ON/OFF CONTROLS L1 N L2 PRIMARY EXTERNAL VOLTAGE G 1 2 LOW VOLTAGE INTERNAL TERMINAL STRIP STEP DOWN TRANSFORMER 1.5 A DRAIN VALVE FILL VALVE 2 2 1 3 1 2 1 P1 P4 P3 REMOTE BLOWER 1 P7 2 RL 2 PACK CONNECTION GREEN STATUS 1 HIGH LAMPS 5 YELLOW WATER RL 1 RESDELUX WIRING DIAGRAM No. RSD0001 Rev. H November 15, 1999 -13- S D
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-14- DPDT AUX FAN RELAY, 24VAC COIL WITH 2 NORMALLY OPEN CONTACTS WALL WIRED IN PARALLEL HUMIDISTAT WITH NORMAL (PN 1329102) FAN RELAY OR DUCT HUMIDISTAT (PN 1329108), MAKES ON FALL IN HUMIDITY TRANSFORMER HI-LIMIT 24VAC AIRFLOW HUMIDISTAT WITH BUILT-IN SWITCH, (PN 1329108) CIRCUIT BREAKER MAKES WITH MAKES ON FALL BY OTHERS AIRFLOW IN HUMIDITY (PN 1329203) 120/208/240 V 2 1 POWER SOURCE RESDELUX LOW VOLTAGE TERMINAL STRIP SUGGESTED WIRING INTERFACE FOR FAN CONTROL USING RESDELUX HUMIDIFIER 3/11/
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SPARE PARTS LIST AND EXPLODED VIEW - RESDELUX Item Number Part Number Description 1 151-9002 Cylinder type 202 2 158-1820 Steam distributor kit 3 153-5062 Steam distributor 4 158-1830 Steam blower pack 5 158-1821 Steam Hose 4’ long 6 158-7104 Cabinet front door 7 185-3104 Lock assembly with keys 8 145-6000 Drain valve complete 8a 145-5002 Screw Drain Valve 9 132-6002 Drain valve coil assembly 10 132-6004 Drain valve o-ring 11 131-3244 Fill valve assembly 11a 145-5000 Fill valve gasket only 11b 1
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4 23 24 22 5 2 3 21a 16 18 21b 17 21c 1 7 6 13a 13d 13e 20 8a 13b 10 19 13c 11b 15 11a 14 11 8 9 12 12a 14a -16-
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PERIODIC MAINTENANCE CHECKLIST PREVENTIVE MAINTENANCE AND SERVICE CHECK LIST FOR NORTEC’S RESDELUX Customer ______________________________________________________________ Address ____________________________________________________________________________ Equipment Location ________________________ Serial # _______________________ Date Last Inspected _________________ Date of this Inspection __________________ Inspected By ________________________________________________________________________
