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10-40

Page 9

2006-09-15

Probable Cause

Corrective Action

1. Is the contactor closed but not energized?
2. Does the processor board display capacity output but

contactor is open?

1. Replace the contactor.
2. Replace the driver board.

1. Back pressure?
2. Organics present in water?
3. Insufficient drain or over concentration.

1. Verify drain is functioning and clean.
2. Verify steam line installation.
3. Check optional inline filter.

1. Back pressure?
2. Organics present in water?
3. Insufficient drain or over concentration.

1. Verify drain is functioning and clean.
2. Verify steam line installation.
3. Check optional inline filter.

The cylinder must be replaced with the same type and
model.

When ordering a new cylinder, quote the model number of
cylinder presently installed in the humidifier or serial
number of humidifier.

The cylinder must be replaced with the same type and
model.

When ordering a new cylinder, quote the model number
presently installed in the humidifier.

1. Is the drain leaking?
2. Adjust drain factor.
3. Check the system backpressure.
4. Is salt required?

1. Clean the drain valve.
2. Set drain factor to 0.7.
3. Install a fill cup extension kit if required.
4. Add one teaspoon of table salt.

1. Is the sensor powered?
2. Is the sensor wiring correct?
3. Is the sensor defective?
4. Is the RH less than 5%?

1. Use a multimeter to check that the sensor is powered.
2. Verify wiring is correct as per wiring instructions.
3. Replace the sensor.
4. RH values under 5% are interpreted as a broken

sensor.

1. Is the sensor powered?
2. Is the sensor wiring correct?
3. Is the sensor defective?
4. Is the RH less than 5%?

1. Use a multimeter to check that the sensor is powered.
2. Verify wiring is correct as per wiring instructions.
3. Replace the sensor.
4. RH values under 5% are interpreted as a broken

sensor.

1. Is the sensor powered?
2. Is the sensor wiring correct?
3. Is the sensor defective?
4. Is the RH less than 5%?

1. Use a multimeter to check that the sensor is powered.
2. Verify wiring is correct as per wiring instructions.
3. Replace the sensor.
4. RH values under 5% are interpreted as a broken

sensor.

1. Is the sensor powered?
2. Is the sensor wiring correct?
3. Is the sensor defective?
4. Is the RH is less than 5%?

1. Use a multimeter to check that the sensor is powered.
2. Verify wiring is correct as per wiring instructions.
3. Replace the sensor.
4. RH values under 5% are interpreted as a broken

sensor.

---

To disable this feature, consult the programming manual
shipped with the humidifier.

---

To disable this feature, consult the programming manual
shipped with the humidifier.

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Содержание NH Series

Страница 1: ...Manual No H 101 2006 09 15 NH Series ELECTRODE STEAM HUMIDIFIER Installation Manual TM ...

Страница 2: ...RTEC LTD LIABILITY NOTICE NORTEC does not accept any liability for installations of humidity equipment installed by unqualified personnel or the use of parts components equipment that are not authorized or approved by NORTEC COPYRIGHT NOTICE Copyright 2006 AXAIR NORTEC LTD All rights reserved RECORD OF REVISIONS For each revision put the revised pages in your manual and discard the superseded page...

Страница 3: ... 15 26 2006 09 15 27 2006 09 15 28 2006 09 15 29 2006 09 15 30 2006 09 15 31 2006 09 15 32 2006 09 15 10 20 Operation 1 2006 09 15 2 2006 09 15 3 2006 09 15 4 2006 09 15 5 2006 09 15 6 2006 09 15 7 2006 09 15 8 2006 09 15 9 2006 09 15 10 2006 09 15 11 2006 09 15 12 2006 09 15 13 2006 09 15 14 2006 09 15 15 2006 09 15 16 2006 09 15 17 2006 09 15 18 2006 09 15 19 2006 09 15 20 2006 09 15 21 2006 09 ...

Страница 4: ...7 2 STEAM DISTRIBUTORS INSTALLATION FOR THE ASD BSD AND CSD 18 A STEAM DISTRIBUTORS 18 B DISTRIBUTOR CHARACTERISTICS 18 C DISTRIBUTOR LOCATIONS AND MOUNTING 18 D MULTIPLE DISTRIBUTOR APPLICATIONS 19 E LOCATION OF STEAM DISTRIBUTORS WITHIN AN AIR HANDLER 21 F DISTRIBUTOR ABSORPTION DISTANCE 21 G TYPICAL APPLICATIONS 21 H DISTRIBUTOR DIMENSIONS 21 3 SAM E SHORT ABSORPTION MANIFOLD 23 A IN DUCT INSTA...

Страница 5: ...RODE STEAM HUMIDIFIERS 2 A PREPARATION 2 B STARTING POINT 2 C NHTC NHPC 2 2 TROUBLESHOOTING DISTRIBUTORS 4 A TROUBLESHOOTING ATMOSPHERIC DISTRIBUTORS 4 3 SAM E TROUBLESHOOTING 4 A PROCEDURE 4 4 BLOWER PACKS TROUBLESHOOTING 5 A PROCEDURE 5 5 DIGITAL ON OFF HUMIDISTAT SENSOR CALIBRATION 5 A PROCEDURE 5 6 0 10V DIGITAL HUMIDISTAT SENSOR CALIBRATION 12 A PROCEDURE 12 10 50 TECHNICAL 1 WIRING AND TERMI...

Страница 6: ...butor Installation 20 Figure 16 Cutting Duct For Mounting 20 Figure 17 Best Location for Multiple Steam Distributors 21 Figure 18 Roof Top Units 2 20 Tons Typical Location 22 Figure 19 Small Units On Residential Furnaces 22 Figure 20 SAM e Tubes 24 Figure 21 Steam Tube Offset 24 Figure 22 Top Steam Tube Bracket 24 Figure 23 Adjustable Mounting Frame 24 Figure 24 Typical SAM e Duct Installation 25 ...

Страница 7: ...ES Table Page 10 10 INSTALLATION PROCEDURES Table 1 Maximum Recommended Length of Steam Runs 5 Table 2 Steam Line Material 5 Table 3 Recommended Material and Size for Steam Run 5 Table 4 Recommended Condensate Line at Distributor s 8 Table 5 Equivalent Length Elbow and T Fittings 8 Table 6 Humidifier and Distributor Inlet Outlet Sizes 8 Table 7 Ceiling and Frontal Clearances for Blower Packs 31 10...

Страница 8: ...cm centimeter CSD Model C Steam Distributor dia diameter DWC drain water cooler DWSP drain water sump pump FOB Free on board ft feet foot ft min feet per minute GND ground GPG grains per gallon H C heating coil hout humidity out Hz hertz I O input output in inch kg h kilogram per hour lbs hr pounds per hour LCD liquid crystal display LED light emitting diode m meter m min meters per minute mA mill...

Страница 9: ...10 00 Page 1 2006 09 15 10 00 INTRODUCTION ...

Страница 10: ...10 00 Page 2 2006 09 15 Figure 1 NHTC ...

Страница 11: ...e the same contents The following paragraphs identify the contents of each box B HUMIDIFIER AND CONTROLS BOX 1 The typical equipment found in the humidifier and controls box is shown in Figure 2 The contents of the box are listed on the box If controls are ordered they will be listed and small accessories that fit into the box will also be listed on the box C DISTRIBUTOR BOX 1 Depending on the equ...

Страница 12: ...10 00 Page 4 2006 09 15 Figure 3 Distributor Box Figure 4 SAM e Distributor Box Figure 5 Remote Mounted Blower Pack Box Figure 2 Humidifier Box ...

Страница 13: ...s specification label 2 Ensure that the dedicated external fuse disconnect is of sufficient size to handle the rated amps as indicated on the specification label Refer to local codes 3 Report any discrepancy immediately to the site engineer 4 Location and mounting is described in Chapter 10 10 5 Typical installation See Figure 6 shows the references to the appropriate chapter of the manual ...

Страница 14: ...10 00 Page 6 2006 09 15 Figure 6 Typical NHTC Installation Sheet 1 of 2 ...

Страница 15: ...10 00 Page 7 2006 09 15 Figure 6 Typical NHTC Installation Sheet 2 of 2 ...

Страница 16: ...10 00 Page 8 2006 09 15 THIS PAGE INTENTIONALLY LEFT BLANK ...

Страница 17: ...10 10 Page 1 2006 09 15 10 10 INSTALLATION PROCEDURES ...

Страница 18: ...r installation code violations See Figure 1 2 If possible DO NOT locate humidifier any further than absolutely necessary from steam distributor location as net output will be reduced as a result of heat loss through steam line Refer to Engineering Manual H 100 Chapter 10 10 3 Wall mounting bracket provided should be securely attached horizontally with open edge upwards using field supplied fastene...

Страница 19: ...ONDENSATE RETURNS 1 Tables 1 through 5 indicate what material and recommended length to use when installing atmospheric steam lines The lengths mentioned are equivalent feet and therefore the full length of tubing with the addition of equivalent feet of elbows and tees 2 Figure 4 illustrates the guidelines for installation routing and trapping of steam runs and condensate returns 3 Table 6 indicat...

Страница 20: ...10 10 Page 4 2006 09 15 Figure 3 Water Drain and Supply Connection ...

Страница 21: ...er 3 The NH 150 and NH 200 are dual units NORTEC Steam Line Copper Tube Stainless Steel Tube Short run 10 feet 3 m yes yes yes Long run 10 feet 3 m yes yes NOTE Do not use plastic steel or black iron Unit Size Steam Run Steam Line Material Steam Line Description lbs hr kg hr ft m 0 30 0 13 0 10 0 3 Copper Tube 0 750 in MED L Tubing 0 875 in OD 0 30 0 13 10 3 Copper Tube 1 0 in MED L Tubing 1 125 i...

Страница 22: ...10 10 Page 6 2006 09 15 Figure 4 Steam Run and Condensate Return Installation Guidelines Sheet 1 of 2 ...

Страница 23: ...10 10 Page 7 2006 09 15 Figure 4 Steam Run and Condensate Return Installation Guidelines Sheet 2 of 2 ...

Страница 24: ...en using more than one distributor the condensate line must be trapped before it is joined together See Figure 4 Nominal Tube Diameter Standard 90 Degree Elbow Standard 45 Degree Elbow Side Outlet Tee 0 750 0 875 in 2 ft 1 ft 4 ft 1 500 1 750 in 3 ft 6 in 1 ft 9 in 7 ft 2 000 2 500 in 4 ft 6 in 2 ft 3 in 10 ft Humidifier Steam Outlet Distributor Steam Inlet NH 5 30 0 875 in OD ASD BSD 0 875 in OD ...

Страница 25: ...imary Voltage Supply Wiring E ELECTRICAL 1 Primary Voltage Supply Wiring to Humidifier a Local electrical codes should always be followed when installing a NORTEC Humidifier Direct wiring to the high voltage terminal is shown in Figure 5 ...

Страница 26: ...others The following information is relevant to all controls factory supplied or otherwise CAUTION REGARDLESS OF SELECTING ON OFF OR MODULATING CONTROL METHOD NORTEC HUMIDIFIERS MUST HAVE A CLOSED CIRCUIT ACROSS ITS ON OFF SECURITY LOOP CONTROL TERMINAL TO OPERATE NORTEC HIGHLY RECOMMENDS THE USE OF A HIGH LIMIT HUMIDISTAT AND AN AIR PROVING SWITCH IN SERIES FOR THIS FUNCTION ...

Страница 27: ... 09 15 Figure 6 On Off Control Guidelines and Low Voltage Terminal Strip a On Off Controls 1 The method and guidelines for installing on off controls are displayed in Figure 6 It can be combined with all control methods ...

Страница 28: ...e 12 2006 09 15 Figure 7 NORTEC Control Guidelines and Wiring Optional b Demand Signal Controls Installation 1 Figure 7 uses the Nortec optional Controllers to demonstrate the typical demand signal installation ...

Страница 29: ... reset feature operates 2 This feature is enabled by removing the jumper from terminals 8 and 1 on the humidistat and wiring the outdoor temperature sensor to these terminals 3 When the outdoor temperature setback feature is in effect the humidistat will normally display the calculated setpoint limit based on the outdoor air temperature A snowflake will also be displayed to indicate cold weather o...

Страница 30: ... 10 Page 14 2006 09 15 Figure 9 NORTEC Humidity Transducer Guidelines and Wiring Optional H HUMIDITY TRANSDUCER SIGNAL INSTALLATION 1 Figure 9 displays the NORTEC optional humidity transducer installation ...

Страница 31: ... 10 Page 15 2006 09 15 Figure 10 Networking NHTCs Optional I NETWORKING NHTCs 1 The wiring of master slave networks are explained in Figure 10 It allows operation of multiple NHTCs with one control signal ...

Страница 32: ...10 Page 16 2006 09 15 Figure 11 NORTEC Links Installation Guidelines Optional J NORTEC LINKS INSTALLATION 1 An abbreviated recommended installation of NORTEC Links and its components are shown in Figure 11 ...

Страница 33: ... Page 17 2006 09 15 K NORTEC ONLINE INSTALLATION 1 An abbreviated recommended installation of NORTEC OnLine and its components are shown in Figure 12 Figure 12 NORTEC OnLine Installation Guidelines Optional ...

Страница 34: ...by the condensate return These features allow the NORTEC steam distributors to be installed level in the duct thereby utilizing the full available width of the duct See Figure 13 2 Ensure the total capacity of the humidifier is not higher than the allowable maximum steam capacity of the following distributors a ASD 25 lbs hr 9 kg hr b BSD 35 lbs hr 13 kg hr c CSD 115 lbs hr 45 kg hr C DISTRIBUTOR ...

Страница 35: ...DER 2000 FT MIN 610 M MIN PLEASE CONSULT FACTORY FOR HIGHER VELOCITIES CAUTION PLEASE MAKE SURE NO OBSTACLES ELBOW FILTER OR DIFFUSER ARE LOCATED AFTER THE DISTRIBUTOR IN THE DIRECTION OF THE AIRFLOW CLOSER THAN THE ABORPTION DISTANCE CALCULATED FOR YOUR APPLICATION CAUTION UNLESS YOU KNOW THE EXACT ABSORPTION DISTANCE REQUIRED FOR THE STEAM ABSORPTION INTO THE AIR STREAM THE DISTRIBUTOR SHOULD BE...

Страница 36: ...10 10 Page 20 2006 09 15 Figure 14 Single Steam Distributor Installation Minimum Clearance Figure 16 Cutting Duct For Mounting Figure 15 Multiple Distributor Installation ...

Страница 37: ...l occur before the cooling coil C C If steam condenses on the cooling coil any excess water will be drained away There is little chance of condensation on the blower blower motor or fan isolation components especially if you use a modulating high limit humidistat All steam distributors should be a minimum of 8 in from the H C and evenly spaced If downstream wetting is a problem add more steam dist...

Страница 38: ...10 10 Page 22 2006 09 15 Figure 18 Roof Top Units 2 20 Tons Typical Location Figure 19 Small Units On Residential Furnaces ...

Страница 39: ...ke sure all nozzles offset each other by rotating steam tubes See Figure 21 NOTES 1 Applying water to the gasket will help to slide the steam tube into place 2 Do not lift manifold by steam tubes when installing c Fasten the top steam tube bracket to secure all steam tubes using a bolt washer and nut assembly Factory supplied See Figure 22 d Fasten top steam tube bracket to mounting frame using a ...

Страница 40: ...10 10 Page 24 2006 09 15 Figure 21 Steam Tube Offset Figure 22 Top Steam Tube Bracket Figure 23 Adjustable Mounting Frame Figure 20 SAM e Tubes ...

Страница 41: ...10 10 Page 25 2006 09 15 Figure 24 Typical SAM e Duct Installation ...

Страница 42: ...tubes to be installed b Insert all steam tubes into the main header until flange is flush with rubber gasket See Figure 20 Make sure all nozzles offset each other by rotating steam tubes See Figure 21 NOTES 1 Applying water to the gasket will help to slide the steam tube into place 2 Do not lift manifold by steam tubes when installing 3 Optional cover plate to seal openings see Figure 25 and Table...

Страница 43: ...e four holes and drill four x 0 500 in 12 7 mm holes d Fasten side frame to base of manifold with 0 375 in UNC x 1 in bolt nut and washer assembly factory supplied e Fasten pivoting heads to duct or air handler using bolt nut and washer assembly field supplied C VERTICAL IN DUCT INSTALLATION NOTE Mounting frame required See Figure 26 1 Once you have selected the location of the manifold use the su...

Страница 44: ...let to be at the lowest points 8 Drill eight x 0 500 in 12 7 mm holes at the marked locations 9 Fasten manifold using a bolt washer and nut assembly Field supplied CAUTION DO NOT PULL OUT THE STEAM TUBES ONCE INSTALLED THIS COULD DAMAGE THE GASKET 10 Insert all steam tubes into the main header Make sure all nozzles offset each other by rotating the steam tubes See Figure 21 NOTE 1 Applying water t...

Страница 45: ...10 10 Page 29 2006 09 15 Figure 27 Drain Water Cooler Option Installation with SAM e ...

Страница 46: ...consist of a steel cabinet containing three axial blowers with finger guards powered by 120 VAC or line voltage humidifiers built in multi tap transformer when necessary fuse high temperature plastic distributor with stainless steel lid horizontal and vertical adjustment knobs for directional control built in thermostat to activate blowers speed control rocker switch and safety loop relay 4 Refer ...

Страница 47: ... 1 circuit wiring is required between humidifier and blower pack 4 Field wiring of remote blower packs must conform to national and local electrical codes Refer to wiring diagram supplied at the back of this manual 5 For NH Series use approved wire for power connection from two pole terminal block of remote blower pack to additional two pole terminal block inside electrical section of humidifier 6...

Страница 48: ...10 10 Page 32 2006 09 15 THIS PAGE INTENTIONALLY LEFT BLANK ...

Страница 49: ...10 20 Page 1 2006 09 15 10 20 OPERATION ...

Страница 50: ...Rate vs Water Conductivity depicts an indication of drain amounts D CYLINDER LIFE 1 The output of all NH Series humidifiers is pure clean steam minerals originally in the incoming water are left behind These minerals will eventually coat the cylinder electrodes Therefore the mineral content of the incoming water the unit running time and output capacity setting ultimately determine cylinder life N...

Страница 51: ...drain canal allows all drainable water to accumulate into one location to then be drained away 10 Drain Valve Drain valve when energized will allow water to flow down to the drain canal When not energized water flowing from the fill cup will flow up into the cylinder 11 Transformer The transformer converts the primary supply voltage to the required 24 VAC to the unit electronics It is protected by...

Страница 52: ...ternet See NORTEC OnLine operation for details NHTC only 22 Links Module Optional NORTEC LINKS OPTION NHTC ONLY This module allows the NHTC to communicate with a BMS system using the communication protocol requested at order See NORTEC Links operation for details NHTC only 23 Network Terminal Strip The network terminal strip allows up to 13 NHTC units to be connected on one Links module and eight ...

Страница 53: ...10 20 Page 5 2006 09 15 Figure 3 Humidifier Start Up Figure 5 Capacity Setting and Cylinder Life Figure 4 Drain Rate Versus Water Conductivity ...

Страница 54: ...10 20 Page 6 2006 09 15 Figure 6 Basic Steam Production Method ...

Страница 55: ...t You Read NHTC START UP INIT CYLINDER The unit is beginning its bootup routine along with powering up the EEPROM on the SMART Cylinder NHTC START UP READING CYLINDER DATA The unit reads the type of cylinder to provide maximum control of operation If it unable to do so it will skip the rest of the self test and fault out SELF TEST CYLINDER Inlet Valve ESC Unit energizes the fill valve for 1 second...

Страница 56: ...10 20 Page 8 2006 09 15 Figure 7 Software Flow Chart Sheet 1 of 7 ...

Страница 57: ...10 20 Page 9 2006 09 15 Figure 7 Software Flow Chart Sheet 2 of 7 ...

Страница 58: ...10 20 Page 10 2006 09 15 Figure 7 Software Flow Chart Sheet 3 of 7 ...

Страница 59: ...10 20 Page 11 2006 09 15 Figure 7 Software Flow Chart Sheet 4 of 7 ...

Страница 60: ...10 20 Page 12 2006 09 15 Figure 7 Software Flow Chart Sheet 5 of 7 ...

Страница 61: ...10 20 Page 13 2006 09 15 Figure 7 Software Flow Chart Sheet 6 of 7 ...

Страница 62: ...10 20 Page 14 2006 09 15 Figure 7 Software Flow Chart Sheet 7 of 7 ...

Страница 63: ...right the option to monitor the alternate cylinder Yellow Green Red OFF OFF OFF Unit is on standby or humidifier has just been energized but has not sensed production of steam yet OFF ON OFF Humidifier senses production of steam ON OFF OFF An attention state exists that should not prevent the unit from producing steam when the controls call for it Check the message on the screen to try to correct ...

Страница 64: ...Y LOOP OPEN GRN blink Steam production stopped LEVEL SENSOR ON None Deactivates the fill valve to prevent overfilling KEEP WARM ACTIVATED None Keep Warm feature activated it has closed the contactor to warm the water W19 Cylinder spent YEL GRN The electronics allow the cylinder to be reset up to four times before locking out the humidifier E19 Cylinder spent YEL RED Humidifier interrupts operation...

Страница 65: ...at has been completely drained because of an extended off period This condition can last several hours until the water in the cylinder has concentrated or the electrodes can no longer provide rated capacity or adjusted capacity Water level automatically rises to meet the demand 2 Foaming can also cause an invalid high water indication If foaming is determined to be the cause of the high water indi...

Страница 66: ...steam into the duct while collecting condensate removing it by condensate return and ensuring short absorption distance C BLOWER PACK OPERATION WARNING DURING AND FOLLOWING OPERATION OF THE HUMIDIFIER THE STEAM AND COMPONENTS IN CONTACT WITH THE STEAM ON THE BLOWER PACK CAN BECOME HOT AND CAN BURN IF TOUCHED 1 Figure 10 describes the method by which the blower pack distributes the pure clean steam...

Страница 67: ...10 20 Page 19 2006 09 15 Figure 9 SAM e Operation Figure 10 Blower Pack Operation and Adjustments ...

Страница 68: ...ter and more precise control B DIGITAL TRANSDUCER OPERATION 1 The NORTEC digital transducers shown in Figure 13 are designed to sense humidity in duct or in room respectively and report it back to a controller or the NHTC directly Required humidifier output is determined by controller or humidifier C REMOTE CONNECTIONS OPTIONAL CAUTION NORTEC DOES NOT RECOMMEND USING THE DRY RELAY CONTACTS WITH AN...

Страница 69: ...n that can be integrated with the NHTC This allows a user to log onto the internet go to www norteconline com and log in to allow them to monitor their unit from any computer with an internet connection See Figure 14 2 After initially logging into the NORTEC OnLine server the user will be presented with a list of humidifiers currently registered with the Server program Each humidifier will be list...

Страница 70: ...Ch 1 demand or RH level Allows BMS control of humidifier output 0 100 Unit must be configured for networked demand SNVT_switch nviRHDem2_x W Analog Value Writes Ch 2 demand or RH level Allows BMS control of humidifier output 0 100 Unit must be configured for networked demand SNVT_switch nviSet1_x W Analog Value Writes Ch 1 setpoint 0 90 SNVT_switch nviSet2_x W Analog Value Writes Ch 2 setpoint 0 9...

Страница 71: ...tion_x R Binary Value Indicates that the Nortec Links module is communicating with the Humidifier SNVT_switch nviDisable_x W Binary Value Writes remote disable status 0 humidifier enabled 1 humidifier disabled from network SNVT_switch nviNetSensor _x W Binary Value Writes configuration status for network enabled sensing or control 0 RH or demand input is not from the network 1 RH or demand input i...

Страница 72: ...10 20 Page 24 2006 09 15 Figure 14 NORTEC OnLine Status Page ...

Страница 73: ...10 30 Page 1 2006 09 15 10 30 MAINTENANCE PROCEDURES ...

Страница 74: ...s Warranty There are many indications each of which signifies the end of cylinder life See 10 20 Operation Table 4 for details on how the unit functions and determines end of cylinder life C EXTENDED SHUT DOWN 1 As long as the NHTC is powered it will automatically drain the cylinder when there has not been a call for humidity for an extended period of time This feature will reduce or prevent the p...

Страница 75: ...10 30 Page 3 2006 09 15 D COMPONENTS OF THE STEAM CYLINDER 1 Consult Figure 1 for NORTEC SMART cylinder components Figure 1 SMART Cylinder Components ...

Страница 76: ...10 30 Page 4 2006 09 15 Figure 2 Cylinder Removal Procedure E HOW TO REMOVE THE STEAM CYLINDER 1 Consult Figure 2 for removal of the steam cylinder ...

Страница 77: ... 1 Always clean the drain valve before installing a new cylinder since the valve port may be as dirty as the used cylinder Figure 3 describes the process of removing and cleaning the drain valve Perform paragraph E before proceeding Figure 3 Drain Valve Maintenance ...

Страница 78: ...10 30 Page 6 2006 09 15 G HOW TO INSTALL THE REPLACEMENT CYLINDER 1 Consult Figure 4 to install the replacement cylinder Figure 4 Cylinder Replacement Procedure ...

Страница 79: ...10 40 Page 1 2006 09 15 10 40 TROUBLESHOOTING ...

Страница 80: ...fier Check your symptom and verify all points before ordering any replacement parts or contacting your local representative Use the wiring diagram when necessary for clarification NOTE Wiring diagrams on unit supersedes diagrams in this manual WARNING BE AWARE WHEN TROUBLESHOOTING THAT THE HUMIDIFIER IS POWERED BY HIGH VOLTAGE AND FAMILIARITY WITH BOTH GOOD PRACTICES AND WIRING OF THE HUMIDIFIER I...

Страница 81: ...pacity See ensuring demand Table 2 The unit will not activate the fill valve without a demand for humidity It will also only fill as necessary once there is a demand Once it reaches the requested demand it will stop filling No leak at drain valve or around cylinder Check for water coming out of the drain Check the fill valve inlet Check fill valve strainer Check optional inline filter The cylinder...

Страница 82: ...r proper slope and trap and that it is clear of obstructions The condensate return must be the lowest point of the SAM e header Check Why and How Safety Loop terminal 1 and 2 is closed The safety loop is checked to ensure that it is safe to operate Checking to see 24 VAC from terminal 1 to ground and terminal 2 to ground should indicate whether is closed If found to be open isolate which component...

Страница 83: ...onfirm safety is not open Fans are only ON when steam is being discharged 5 DIGITAL ON OFF HUMIDISTAT SENSOR CALIBRATION A PROCEDURE 1 The humidity sensor is factory calibrated however it can be field recalibrated a The calibration routine can be accessed by pressing and holding down the option button for five seconds A new screen will appear with the calibration adjustments b Press the up or down...

Страница 84: ...ll Timeout GRN blink The humidifier will attempt to clear any debris by pulsing the drain valve The fill valve has been activated for an extended period of time but water has not reached the sensor E13 Fill Timeout RED The fill valve has been activated for an extended period of time but has not reached the sensor Humidifier stops operation and the fault relay is activated W15 Over current YEL The ...

Страница 85: ...e system backpressure 1 Open water supply 2 Clean drain valve 3 Clean drain valve or replace 4 Install fill cup extension kit if required 1 Is the drain blocked 2 Is the cylinder filling too fast 3 Was the wrong fill valve supplied 4 Is there scale in the cylinder 5 Is the water too conductive 6 Is the wrong cylinder supplied 7 Is the cylinder spent 1 Clean the drain line 2 Replace the fill valve ...

Страница 86: ...ctivity too low YEL Humidifier will continue to operate on this water supply Water conductivity is determined to be less than optimum W23 Control sensor broken YEL Humidifier put on standby After a timeout period this warning becomes a fault Electronics cannot detect the control RH sensor connected to the humidifier E23 Control sensor broken RED Humidifier interrupts operation and the fault relay ...

Страница 87: ... teaspoon of table salt 1 Is the sensor powered 2 Is the sensor wiring correct 3 Is the sensor defective 4 Is the RH less than 5 1 Use a multimeter to check that the sensor is powered 2 Verify wiring is correct as per wiring instructions 3 Replace the sensor 4 RH values under 5 are interpreted as a broken sensor 1 Is the sensor powered 2 Is the sensor wiring correct 3 Is the sensor defective 4 Is ...

Страница 88: ...any time W44 Demand signal short cycling YEL The cylinder automatically reduces the humidifier output to stabilize operation The demand signal is cycling on and off too frequently W45 safety loop short cycling YEL The cylinder automatically reduces the humidifier output to stabilize operation The demand signal is cycling on and off too frequently W46 RH high warning YEL An alarm indication is gene...

Страница 89: ... with the humidifier 1 Is the humidifier oversized 2 Check the sensor location 3 Are the P and I settings incorrect 1 Reduce manual capacity setting by 50 2 The sensor should be located away from doors and drafts 3 Adjust the P and I constants 1 Is the humidifier oversized 2 Is the high limit located too close to the distributor 3 Are the safety controls damaged 1 Reduce manual capacity setting by...

Страница 90: ...ugh in extreme cases water will foam with little concentration making it necessary to have the drain time of the water contained in the cylinder increased Foaming is normally caused by short cycling a restricted drain or back pressure The foam generated in these instances is conductive and may lead to a false full cylinder indication if the level of the foam approaches the top of the cylinder BACK...

Страница 91: ...10 50 Page 1 2006 09 15 10 50 TECHNICAL ...

Страница 92: ...ge 24 VAC 10 50 60 Hz Power Consumption Max 3 VA Internal Rectification Half wave rectified Signal Inputs Analog Input Input Signal Resolution Accuracy AI1 2 10 VDC 39 mV 0 078 mA 2 Temperature Input Range External Thermistor 40 to 140 C 40 to 284 F Humidity Input Range Accuracy Repeatability 0 to 100 RH 3 0 at 25 C 77 F 0 5 Signal Outputs Digital Outputs Maximum Load DO1 24 VAC 2A max Environment...

Страница 93: ...re 1 NORTEC Links Supplementary Wiring Optional B OPTIONAL WIRING DIAGRAMS 1 See Figure 1 and Figure 2 for supplementary wiring to support NORTEC Links and NORTEC OnLine options Figure 2 NORTEC OnLine Supplementary Wiring Optional ...

Страница 94: ...10 50 Page 4 2006 09 15 C NH WIRING 1 See Figure 3 and Figure 4 for the NHTC NHPC Single and Double Unit Wiring diagrams Figure 3 NHTC NHPC Double Unit Wiring Diagram ...

Страница 95: ...10 50 Page 5 2006 09 15 Figure 4 NHTC NHPC Wiring Diagram ...

Страница 96: ...on G Verify variable operation after mapping is complete G Perform regular humidifier start up check B PRE NORTEC LINKS START UP CHECKLIST 1 Humidifier to Humidifier Connection G Each individual Humidifier linked to lead Unit G Connection can be direct or daisy chained to other units 2 Network Connection G Lead Unit wired to Local BMS G Network activity verified 3 Controls Wired G Directly to humi...

Страница 97: ...r 12 in G Traps G Insulated G Length Size _____ _______ CONDENSATE LINES Sloped back to drain G Trapped 2 in more than static duct pressure G Size _______ Stainless steel G or plastic G ____ Vertical ____ Horizontal 90 degree elbows G qty ____ 45 degree Elbows G qty ____ Can condensate be trapped anywhere in the steam line yes G no G WATER LINES 0 050 in at max 4ft from the unit G 3 8 in connectio...

Страница 98: ...1 2 must be made modulation humidistat if present must be calling cabinet mounted humidistat if present must be calling door interlock switch must be made interlock switch can be pulled out to operate unit The unit will undergo a self test to ensure integrity of all the components NHTC Start Up Unit Cylinder Reading Cylinder Data Inlet Valve Drain Valve Heat Controller Pump Bleed Valve Steam Relay...

Страница 99: ...ll slotted screwdriver depress tab on the re usable cable tie if present around the middle of the cylinder This will loosen the cable tie to come apart for re use later on 8 The cylinder is now ready to be removed from the unit CAUTION Cylinder and any remaining water might still be HOT 9 Always clean the drain valve before installing a new cylinder see further below 10 Remove the used cylinder an...

Страница 100: ...cylinder plug on all units is for the high water sensor electrode which always goes on the single pin surrounded by a plastic shoulder 8 Ensure that cylinder plugs fit snugly on the pins 9 If cylinder plugs become loose it is best to obtain a new replacement plug Consult factory EXTENDED SHUTDOWN 1 Before disconnecting power to the humidifier for a period of extended shutdown ALWAYS DRAIN the cyli...

Страница 101: ... CSD DISTRIBUTOR 1 See Figure 5 for the ASD BSD CSD Distributor exploded view and spare parts Figure 5 Distributor Exploded View and Spare Parts B SAM e SPARE PARTS 1 See Figure 6 for the SAM e exploded view and spare parts Figure 6 SAM e Exploded View and Spare Parts ...

Страница 102: ...and Spare Parts C NH SERIES HUMIDIFIER SPARE PARTS 1 See Figure 7 for the NHTC NHPC plumbing compartment exploded view and spare parts and Table 2 for the parts list See Figure 8 for the NHTC NHPC electrical compartment exploded view and spare parts and Table 3 for the parts list ...

Страница 103: ...3 CYLINDER 631 X 150 9745 CYLINDER 636 X 150 9746 2 STEAM OUTLET LARGE NHTC ONLY 150 9465 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 2 2 2 2 2 2 2 2 2 STEAM OUTLET SMALL NHTC ONLY 150 9466 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 3 CLAMP FOR SMALL STEAM LINE 132 5007 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 CLAMP FOR LARGE STEAM LINE 132 5009 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 4 4 4 4 4 4 4 4 4 4 4 DRAI...

Страница 104: ... 1 2 2 2 2 2 2 2 2 2 2 14 CYL PLUG WITH BLACK MARKER 151 0046 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 2 2 1 1 2 2 2 1 1 2 2 1 4 4 4 2 2 4 4 2 CYL PLUG WITH YELLOW MARKER 151 0049 1 1 1 1 1 2 2 2 1 1 2 2 2 1 1 2 2 1 4 4 4 2 2 4 4 2 CYL PLUG WITH RED MARKER 151 0047 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 2 2 1 1 2 2 2 1 1 2 2 1 4 4 4 2 2 4 4 2 CYLINDER PLUG 5MM 15A HWS MODIFIED 150 ...

Страница 105: ...10 50 Page 15 2006 09 15 Figure 8 NHTC NHPC Electrical Compartment Exploded View and Spare Parts ...

Страница 106: ...80 24 VAC 75 VA 132 3460 1 1 1 1 1 1 1 TRANSFORMER 600 24 VAC 75 VA 132 3575 1 1 1 1 1 1 1 TX 24VAC 150VA PRIMARY 208 252 2318 1 1 TX 24VAC 150VA PRIMARY 240 252 2319 1 1 TX 24VAC 150VA PRIMARY 480 252 2320 1 1 TX 24VAC 150VA PRIMARY 600 252 2321 1 1 TX 24VAC 150VA PRIMARY 380 252 2322 1 1 5 PCB FAULT REMOTE OPTION 252 1279 6 PCB PROCESSOR NHPC NOT SHOWN 252 1274 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...

Страница 107: ... 3 440 480 3 550 600 3 208 3 220 240 3 380 3 440 480 3 550 600 3 208 3 220 240 3 380 3 440 480 3 550 600 3 208 3 220 240 3 380 3 440 480 3 550 600 3 208 3 220 240 3 380 3 440 480 3 550 600 3 208 3 220 240 3 380 3 440 480 3 550 600 3 OPTIONAL COMPONENTS PRIMARY FUSE JJN60 JLLN60 OPTIONAL 142 3176 6 6 12 12 PRIMARY FUSE JJN50 JLLN50 OPTIONAL 150 9692 6 12 PRIMARY FUSE JJN40 JLLN40 OPTIONAL 142 3173 ...

Страница 108: ...10 50 Page 18 2006 09 15 THIS PAGE INTENTIONALLY LEFT BLANK ...

Страница 109: ...u of 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 4 THE COMPANY s limited warranty on accessories not of the companies manufactu...

Страница 110: ...N DATE MM DD YYYY MODEL SERIAL CYLINDER U S A AxAir Nortec Inc 826 Proctor Avenue Ogdensburg NY 13669 TEL 1 866 NORTEC 1 EMAIL nortec humidity com WEBSITE www humidity com CANADA AxAir Nortec Ltd 2740 Fenton Road Ottawa ON K1T 3T7 TEL 1 866 NORTEC 1 FAX 613 822 7964 ...

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