FIELD CONTROLS S2000 User's Manual
Contents
1. 52000 amp 52020 Humidifier The latest improvement to the Field Controls humidifiers is the new amen meee Low Voltage Terminal Block Airflow Interlock Feature provided on the low voltage terminal Humidification Control H H 7 block Due to popular demand we have made it easier for you to ORW2G Y C H achieve fail safe lockout in the event the fan or blower on the HVAC system does not operate when called upon A high humidity airflow proving device is necessary You must still determine the type of proving device you want to use We recommend our new Model APD switch But then all you have to do is connect two low voltage wires from your air proving ORWG Y C Ae device straight to the Steam Humidifier s terminals No additional field relays or components are needed with 24vac Coil Typical Air Handler Model APD or Equivalent t The Steam Humidifier monitors the airflow circuit anytime it is Outdoor Heat Pump operating the blower on the HVAC system If the Steam eee Humidifier detects a loss of airflow longer than 1 minute it will shutdown the heating element and stop producing eam to avoid Disconnect the wires from the A saturating the duct 52000 amp 52020 Humidifier terminals and check the device amp circuit You must test the air proving device when you install it to make Low Voltage Terminal Block with a reliabl2. indication that the water level 15 correct 3 If the electric solenoid valve makes a loud noise when it closes install an optional water hammer arrester to absorb the spike Frequent or erratic water fill cycles can be due to air turbulence when mounted in the supply air plenum 4 The water probe uses the natural conductivity of the water to determine the proper water level in the reservoir Water that has been de mineralized or over filtered may not allow the unit to function properly Minimum 25 ppm of total dissolved solids must be present in the water Add approximately 1 tablespoon of salt to the tank to temporarily fix this problem 5 These steam humidifiers must be connected to dedicated outlets of the proper current and voltage ratings The use of extension cords 15 not recommended DO NOT cut off the grounded plug and or hard wire this humidifier to line voltage This will void the warranty SERVICE AND REPLACEMENT PARTS 2 2 aan a DESCRIPTION OF PART PART NO PART NO HEATER ASSEWELY 11 2009 2009 UNDER DUCT STEAM COVER not shown AIRFLOW PROVING DEVICE not shown 225 SP eo FIELDCONTROLS fieldcontrols com 2630 Airport Road Kinston NC 28504 PH 252 522 3031 FAX 252 522 0214 11 Copyright 2011 Field Controls All Rights Reserved OVERFLOW TUBE Figure 18 50 ID 6 LG SOLENOI
3. switch and or high humidity switch in the duct and easily achieve fail safe shutdown in the event of fan blower failure This feature prevents the Steam Humidifier from operating unless adequate airflow is proven thereby avoiding a saturated duct condition WARNING It is highly recommended to use an airflow proving device In particular Duct Board applications should always use an airflow proving device A factory jumper wire is provided and must be removed when connecting the sail switch or other field supplied air flow proving device Leave the jumper in place if you decide not to use the airflow proving feature IMPORTANT NOTE If the Steam Humidifier is removed and disconnected from system the blower interlock circuit must be restored to it s original configuration Failure to do so may result in loss of blower operation during cooling modes CONTROL WIRING SOLUTIONS FOR VARIOUS HVAC SYSTEMS Additional diagram shown on page 7 Heat Only System and Conventional Heat amp Cool System Mumidiher wiih and Steam Humidifier with 072000 dry contact Humidistat S2000 amp S2020 Humidifier 52000 amp 52020 Humidifier Low Voltage Terminal Block Low Voltage Terminal Block Typical Thermostat Heat only Thermostat Gl R GI R 2 H H A R W G Y C ten Jumper will stay in place unless a field installed Air RWG REW G Proving Device Typ
4. Quarterly Monthly Date of Service Service Performed Date of Service Service Performed Date of Service Service Performed Date of Service Service Performed Date of Service Service Performed Date of Service Service Performed Date of Service Service Performed Date of Service Service Performed Date of Service Service Performed Date of Service Date of Service Service Performed Date of Service Service Performed Date of Service Service Performed Date of Service Service Performed Date of Service Date of Service COMMENTS Service Performed Service Performed Service Performed Field Controls Inc 2630 Airport Road Copyright 2011 Field Controls All Rights Reserved Kinston NC 28504 16 PH 252 522 3031 FAX 252 522 0214
5. different type of whole house humidifier that does not require dominance over the HVAC fan and full CFM capacities while operating Variations on this diagram are available Contact Field Controls Technical Support Hotline 7 Copyright 2011 Field Controls All Rights Reserved 11 START UP amp OPERATING SEQUENCE Once the Steam Humidifier has been installed and the water drain humidistat and blower interlock connections completed the humidifier may be started A Disconnect the water line Turn on the water supply and flush the line into a bucket Reconnect the water line B Set the humidistat to a setting higher than the room RH level Plug the 52000 Humidifier line cord into 120 VAC 20 amp source 240VAC 1 5amp for 52020 D The Green POWER LED should blink rapidly and the drain valve will open momentarily upon initial start up The FILL LED will illuminate and water should begin to fill the Water Pan The Power LED will now blink slowly E When the water has reached the probe level the FILL lamp and fill valve will be turned off and the HEATER LED and heater element will be turned on The POWER LED will blink slow and steady F Once the water reaches 170 deg F the BLOWER LED will illuminate and the system blower should start up G If the above steps have been successfully completed the humidifier is operating properly 12 SERVICE LED INDICATORS A POWER In normal s
6. ATER FAILURE This 15 an indication that the water temperature is not increasing or reaching the boiling point 1 Faulty heater element or faulty wire connection 2 This can happen ifthe unit is operated without water in the pan as a result of a water level probe malfunction due to lack of maintenance The pan boils dry and over heats the water pan If this condition occurs call the Technical Support Hotline 3 The unit has operated for 45 50 minutes without a request for water due to a leaking water fill valve which is filling the tank continuously Both Red Service Lights error 4 are flashing AIRFLOW FAILURE This is an indication that the system blower is not running or the blower fan proving device has failed is malfunctioning or is not wired correctly Check the blower motor and the interlock wiring Refer to page 4 Figure 11 _ Ifthe humidifier seems to operate in a random manner that doesn t seem to fit any of the pre described conditions check the following 1 Check to make sure that the wires used to connect the humidifier to the humidistat are separate wires and not part of a multi wire bundle used to hook up the furnace thermostat or any other device The associated close wires may create an induced voltage in the humidistat wiring 2 Make sure that the water level probe and plastic insulator are clean and free of mineral build up It may become electrically conductive to ground sensing a false
7. D VALVE 24 60 VAC ADAPTER 1 4 NPT BLACK WIRES 18GA X 18 LONG DRAIN COCK VALVE JUMPER WIRE 20GA X 1 50 LONG CD FIELDCONTROLS BARBED TEE MOLEX PLUG 1 4 18 2 fieldcontrols com 2630 Airport Road Kinston NC 28504 PH 252 522 3031 FAX 252 522 0214 TECHNICAL BULLETIN Field Controls Model 072000 Smart Digital Humidistat Installation and Owner s Manual FIELDCONTROLS TB 213 P N090375A0213 REV F 10 2011 Copyright 2011 Field Controls Inc All Rights Reserved Your new Steam Humidifier may include this Package includes control The 1 072000 Smart Humidistat instructions are Gasket ounting Template included 1 Technical Bulletin TB213 Please refer to 1 OAS Outside Air Sensor this Bulletin General Description The 072000 is a digital humidifier control that can automatically adjust the indoor humidity set point as the outside air temperature changes This intelligent control will maintain accurate humidity levels and a more comfortable indoor environment The actual indoor relative humidity is always displayed on the LCD screen When the up or down keys are pressed the humidity set point is displayed and can be adjusted using the up and down arrow keys An outdoor temperature sensor is included and must be connected in order to fully utilize the features of the 072000 The outdoor temperature sensor allows the humidistat to automatic
8. LOWER LED s will both be illuminated at the same time and the POWER LED will be blinking slowly E The FILL LED will illuminate and the water reservoir will refill at irregular intervals depending on the boil off rate The HEATER LED should remain illuminated unless the humidistat opens the humidifier enters a drain cycle or failure mode DRAIN This LED will be illuminated when the microprocessor cycles the humidifier into a Maintenance Mode After a fan forced cool down period the water is allowed to drain at 140 degrees The drain valve will then close and the fill valve will open to refill the reservoir and resume normal operation This mode will last about one hour and the microprocessor will automatically restart the unit afterwards if there is a call for humidity This drain cycle will occur once every 8 12hours to reduce the mineral concentration in the tank and let the heater cool down That will shed most deposits that have built up on the heater NOTE The POWER LED will blink rapidly during Maintenance mode NOTE A unique feature of the S series humidifiers is called Fillon Request The unit will not refill with water after a maintenance cycle unless there is a demand for humidity from the humidistat This ensures that the unit will not sit idle with standing water which can stagnate over time G FAILURE LED S When service is required these LED s will illuminate If the humidifier enter
9. TO THE FRONT MOUNTING PLATE 3 PLACES SIDES AND BOTTOM USE TAPE TO SEAL THE OUTSIDE EDGE OF THE FOIL 2 PLACES FIG 3 2 LOCATION LOCATION Required Criteria DO NOT INSTALL this unit in an attic period Do Not Install this unit in any area that may fall below 35 degrees F Doing so will void your warranty The steam humidifier can be installed in either the warm air supply or the cold air return ducts however the preferred location would be in the warm air supply duct of the system This humidifier does not require warm air to evaporate the water in order to provide humidity but it will operate more efficiently in the warm air duct and condensation is less likely to occur on the surrounding cold surfaces Efficiency is lost in a return air duct location When selecting a location on the duct be certain that there is enough room in the duct for the water reservoir There should be at least five 5 inches above the reservoir and the reservoir should not occupy more than about 25 percent of the duct space If this criteria can not be met you should install the unit under the duct by means ofthe tank flange See page 6 If a suitable means of gravity draining the unit is not available or cannot be provided the unit will work with the drain valve electrically disconnected Call the Technical Support Hotline for Instructions It is highly recommended but not required that the use_of Fiberglass duct board with this product incl
10. This symbol the product means the product is listed by Underwriters FIELDCONTROLS LISTED stoners me 348E Installation Instructions amp Owner s Manual FIELD CONTROLS ELECTRONIC STEAM UNIT POWER HUMIDIFIER MODELS 52000 AND 52020 FOR GAS OR OIL FORCED AIR FURNACES HEAT PUMPS AND ELECTRIC FURNACES The Residential Power Humidifier you have purchased Familiarizing yourself with the items listed Figures 1 has been designed to be simple to Install Operate and Maintain and 2 will assist you in installing and maintaining your Read this manual before you install the Humidifier Steam Power Humidifier This product should be installed according to local and national codes and standards WATER PAN WATER INLET TANK BAFFLE WATER INLET FOR DRAIN VALVE DETAILS See Page 12 WATER LEVEL BLOWER INTERLOCK amp HUMIDISTAT CONN HEATER OVERFLOW STATUS LIGHTS TEMPERATURE PROBE E FIG 1 MANUAL WATER DRAIN FIG 2 Parts included in the Steam Humidifier package are Options and additional parts recommended 1 Self Piercing Saddle Valve 1 Water Hammer Arrester WH 100 2 Installation Instructions and Owners Manual 2 Anode 27100 3 Mounting Templates x2 3 Decorative Under Duct Cover SC100 4 Installation Hardware package 4 Gasket Material to seal flanges field provided 2 Insulation and tape 5 Model APD Current Sensing Switch Sail Switch or 6 Automatic Drain Assembly other Airflow Proving D
11. UG THE UNIT FROM ITS POWER SOURCE WAIT ABOUT 15 SECONDS AND RECONNECT THE POWER SOURCE THE SERVICE LIGHT WILL GO OUT AND THE UNIT WILL CONTINUE FILLING TO THE CORRECT LEVEL FIG 16 SERVICE INDICATORS A The green Power light does not blink off and 1 The S2000 is not connected to an active 120 VAC 15 Amp power source S2020 240 VAC 10 2 Call the Technical Support Hotline The HEATER LED does not illuminate 1 The humidistat 15 not closed calling for humidity or the humidistat is wired incorrectly 2 The unit is in the maintenance cycle The HVAC Blower will not operate but the Blower LED is on 1 The blower Field wiring and or interlock circuitry 15 incorrect 2 The HVAC electric power is disconnected 3 The humidifier internal Blower relay is defective Call the Technical Support Hotline 4 The HVAC Blower motor has failed The HVAC Blower will not operate and the Blower LED is not on 1 The water pan temperature has not reached high enough temperature to activate the Blower relay about 170 degrees Fahrenheit This takes several minutes after the HEATER LED 15 illuminated Depending on the water temperature and the surrounding condition this may take up to 12 minutes If the problem continues the heater element may be defective or the thermistor temperature probe may be defective Contact the Technical Support Hotline Red Service Light error 1 is
12. ally adjust the humidity set point to avoid condensation on windows It is also a convenient way to read the outdoor air temperature at any time The outdoor sensor is not required to use the Humidistat in the basic or manual mode The 072000 operates on 24vac and has a set of isolated dry contacts for activating the humidifier Terminals are also provided for the Outdoor air Temperature Sensor Part OAS The 072000 can be installed on the return air ductor itcan be installed on an interior wall within the conditioned space Field Controls recommends an interior wall installation NOTE If the return air duct is chosen as the location the HVAC fan should be set to run continuously in order to obtain an accurate sampling of the actual living space relative humidity condition ff APPLICATION NOTIE AN 131 INSTALLATION INSTRUCTIONS amp OWNER S MANUAL Z100 REPLACEMENT INSTRUCTIONS SUPPLEMENT TO THE FIELDCONTROLS ELECTRONIC STEAM POWER HUMIDIFIERS MODEL 52000 AND 52020 Z100 ASSEMBLY The Field Controls Steam Humidifier now comes equipped with a factory installed Z100 which acts as a sacrificial metal Put simply minerals in the water will attack and cling to the Z100 The minerals will not attack the other components inside the humidifier as long as the 2100 is present and active This results in a dramatic decrease in mineral and scale build up on the critical components inside the tank In particular it me
13. ans less scale build up on the heating element which is subject to damage from excessive scaling and over heating This also means that efficiency stays high and preventive maintenance is faster and easier The 2100 is positioned on the baffle plate inside the tank and is easily removed and replaced Remember that the Z100 s job is to become the target of mineral attack so it will be heavily covered with scale and should be replaced annually for best results To remove the Z100 you must have already unplugged and shutdown your steam humidifier and allowed it to cool The water tank has been drained the water supply drain lines and electrical wiring have been disconnected and the unit has been removed from the duct Refer to the blow up view on Page 11 Using a phillips screwdriver remove the two screws that hold the baffle plate to the tank Lift the baffle slightly back to clear the water probe and then straight up and out of the tank You can then see the round 2100 or rather what is left of it after single season Notice the heavy scale build up on the Z100 that would have been on your element if the 2100 was not there Use rag or pliers to grasp the edges of the 2100 and simply unscrew it from the baffle plate Rinse off or wipe away any residual scale from the baffle plate and install a new 2100 Leave a slight gap between the bottom of the 2100 and the baffle plate Now re insert the baffle plate into the tank and secure with the two
14. aximum recommended relative humidity for your home depends upon many factors such as outdoor air temperature type and placement of insulation vapor barriers effectiveness of weather stripping type of windows and doors including frames and jambs and whether or not storm windows and doors are used With all these variables it is nearly impossible to recommend a proper humidity setting The best humidistat setting is one that you are most comfortable with Also as the outdoor temperature fluctuates it may be necessary to adjust the humidity level of your system a few times during the heating season Refer to the Relative Humidity Chart as a starting point for your proper humidistat setting Generally in a tighter and better insulated house the humidistat may be set higher than ina drafty un insulated house Installation instructions for the 072000 model Humidistat kaged with the 072000 IMPORTANT Ifthe humidifier is installed in the return air plenum the humidistat must be located at least five 5 feet upstream from the humidifier Fan should be operated in continuos mode when the humidistat is mounted in the return Your humidifier may include Model 062000 Humidistat Installation instructions for the 062000 model are packaged with the 062000 air plenum Mounting the humidistat on an interior wall is always preferable to mounting on the return duct But There are many ways to wire and control a humidif
15. e onm meter Check continuity GI R H H whenthe fanis off and when it is running sure it will function properly WARNING DO NOT perform this test with the wires connected to the Steam Humidifier Temporarily disconnect them Refer to Figure 11 1 After installing the air proving device test for continuity across the normally open contacts with the fan blower off You should read infinity no continuity when the fan blower is off 2 Turn on the fan blower at the thermostat and test for continuity across the normally open contacts with the fan blower running Model APD current You should now read continuity a complete circuit when the sensing switch or equivalent air proving fan blower is running device Dry Contacts Close when fan is running Field Controls Steam Humidifiers Model 52000 52020 Dimensional Data 7 50 0000000 Figure 12 Figure 12 reflects the basic dimensions the 52000 52020 Steam Humidifier This data is useful in determining the room needed to install the unit in a certain location The data can also be used to determine the minimum duct size the Steam Humidifier can be inserted into The Steam Humidifier should not obstruct more than 25 of the cross sectional area of the selected duct For Example The humidifier tank measures 8 inches wide including the flange times the length of 11 6 inches 92 8 square inches We are only concerned with t
16. esult in lower capacity output and or excessive condensation Try to avoid mounting the unit within 2 feet of any 90 degree turns Allow at least 5 inches of clearance above the tank The unit should not be installed within 5 feet of an Electronic Air Cleaner 4 5 inch thick Media filters or a UV Lamp Caution UV lamps may destroy certain plastics rubber unless shielding is applied to those surfaces DO NOT install the Steam Humidifier on a Down flow HVAC system Avoid Fiberglass Duct Board as it cannot support the weight of the Steam unit when full of water DO NOT install the Steam Humidifier in an attic or crawl space exposed to freezing temperatures HUMIDIFIER W SCOOP Remember to insulate the water tank with the supplied insulation wrap Under extreme velocities it may be necessary to double wrap the tank and or the tank flange to prevent excessive heat loss Also remember to use gasket material on the duct opening to prevent metal to metal heat loss and to prevent against condensation and air leakage On under duct applications it may be necessary to insert an Air Ramp in the duct to induce the steam out of the tank Contact Technical Support for assistance Copyright 2011 Field Controls All Rights Reserved 10 SETTING THE HUMIDISTAT It is recommended that humidistat settings of 30 45 not be exceeded If condensation is noticed on windows during very cold outside temperatures the humidistat setting should be lowered The m
17. evice 7 Humidistat Model 062000 or 072000 6 WFA 195 Water Filter Assembly 8 1 2 I D Drain Hose 8 FT 9 Anode 7100 1 P N 09037540227 10 2011 Copyright 2011 Field Controls All Rights Reserved SIMPLIFIED INSTALLATION INSTRUCTIONS 1 Insulate the water reservoir See figure 3 2 Select the mounting location on the duct and tape on the mounting template 3 Drill the 8 1 8 mountings holes 4 Cut out the humidifier opening in the duct 5 Insert the humidifier into the opening and screw in place N O Flush and connect the water line Connect the drain line Make 24 VAC electrical connections to achieve fan operation and interlock circuit Install and connect the humidistat Plug power cord into a grounded dedicated 120 VAC 20 amp outlet for 52000 240 VAC 15 amp for 52020 DETAILED INSTALLATION INSTRUCTIONS 1 INSULATE WATER TANK RESERVOIR With insulation foil side down remove adhesive backing Align humidifier so that front side of unit meets long edge of insulation Fold insulation up onto sides of humidifier and press firmly Apply 5 continuous strips from the tape provided to seal the foil as shown The tape will prevent the sharp duct edges from damaging the foil Use additional foil tape to repair damage to the foil The Insulation MUST be applied to the tank regardless of the mounting location INSULATION FOIL SIDE OUT gt USE TAPE TO SEAL THE FOIL
18. form to local and national codes Failure to do so will void all warranties DONOT cut off the grounded plug and or hard wire this unit to line voltage DO NOT use extension cords to operate this unit Doing so will void all warranties A INSTALLING AND WIRING THE HUMIDISTAT A humidistat such as the Model 072000 is required to control the Steam Humidifier The humidistat may be installed on the wall in the living space or on the return air duct NOTE Continuos fan operation should be initiated if the humidistat ts installed on the return air duct Instructions for installation are packaged with each humidistat Follow wiring instructions carefully DO NOT connect any foreign voltage to the H terminals of the humidifier The Humidifier supplies it s own control voltage Simply connect the two H terminals straight to any dry contact humidistat terminals If you are using a 3rd party Humidistat that has powered terminals you must use an isolating relay to operate the Steam Humidifier Failure to do so will result in circuit board failure and will void all warranties B FIELD WIRING Schematics on the following pages describe the suggested interlock wiring arrangement for different HVAC systems Interlocking may be performed on systems that provide a 24vac NEC Class 2 terminal block for system control AIR PROVING FEATURE The Steam Humidifier has an integrated air proving feature that allows the user to install a sail
19. he obstruction on a flat plane Which is why the flange is taken into account but not the depth of the tank This assumes an up flow configuration If the configuration is horizontal then the Steam Humidifier will obstruct approximately 70 square inches of duct area The tank flange is no longer a factor At 92 8 square inches the smallest duct plenum that can accommodate the Steam Humidifier mounted internally would be approximately 20 by 19 20x19 380 square inches multiplied by 25 95 square inches Steam Humidifier square inches of obstruction 92 8 square inches Up flow configuration 25 percent of 20x19 duct 95 square inches Steam Humidifier square inches of obstruction 69 6 square inches Horizontal flow configuration 25 percent of 12x24 duct 72 square inches In either case avoid installing the Steam Humidifier on any duct size where the unit will consume more than 25 of the cross sectional area of the duct at the point of insertion Doing so may result in turbulent airflow lower velocities and condensation inside the duct Avoid all of these conditions by selecting an under the duct location and specify the SC100 decorative tank cover to give it a finished look 5 Copyright 2011 Field Controls All Rights Reserved Suitable locations to install your Steam Humidifer on Up flow Horizontal HVAC System Notice that some of the locations are out These are poor locations for the Steam Humidifer and may r
20. ical Furnace Model APD Typi Dey Contact is used 2 2 Z 6 Equivalent Furnace Humidistat OD OD C R H H 062000 Humidistat T Temperaturo 072000 Humidistat FIG 8 Bryant Carrier Evolution Infinity OLO Variable Speed Heat Cool System Wire the APD in series with the HH circuit Heat Pump System and Steam Humidifier Program Evolution Bryant cd an 52000 amp 2020 Humidifier with 072000 Humidistat ea 1 Heating airflow Low Voltage Terminal Block Spas ee Therm To Efficiency mode umidifier 2 Humidifer R G2 H H A A Low Voltage Terminal Block ane installed Yes Thermostat 3 Humidify with ar GR GI R GQ H H A Fan Yes i 4 Set FAN to DO NOT USE Leave Factory Continuous Mode amp select MEDIUM speed U M SPST Dry Contact Bryant Evolution O RW2G Y C grisea Furnace 18 Equivalent Typical Air Handler Model APD or 24vac Outdoor 2 2 L 2 Equivalent Common 4 Temperature OD OD C R H H Outdoor Heat Pump 072000 Humidistat not shown for clarity FIG 10 Heat Pump System and Steam Humidifier with Combo Thermostat Humidistat Refer to the 072000 Technical Bulletin and Isolating Relay
21. ier Refer mounting the humidistat on an interior wall takes more time to the wiring diagrams on pages 4 and 7 material and labor than a return duct location Sometimes it may be impossible to mount a humidistat on an interior wall and the return duct location 1s the only solution ___Variablo Speed WIRING DIAGRAM NEL ATIVE CHART FIG 15 Variable Speed Heat amp Cool System and Outside Recommended Indoor Steam Humidifier with 072000 Humidistat Dry Bulb Relative Humidity Temperature Setting 52000 amp 52020 Humidifier Low Voltage Terminal Block Typical Thermostat Gi RG oH 22 15 R W GNY 10 Deg F 20 RWGYC 20 Deg F 25 Variable Speed Furnace 4 ZE gt OD OD C R H H 072000 Humidistat AU DEET 35 Outdoor Temperature Sensor Hi Efficiency Condensing 35 Deg F 40 45 Unit and up The diagram above should be followed if it is required to operate the fan system at high speed during the humidify operation Such a requirement may be necessary if condensation occurs inside the duct work due to the lower velocities of a variable speed system when only the fan is running The Y circuit must be wired exactly as shown to achieve the correct operation This wiring configuration may result in the loss of the enhanced latent effect operations of your variable speed HVAC system If you do not want this to happen you should consider installing a
22. l with water 3 The Heater element will energize to heat the water and the Fan will start up to distribute the moisture 14 SERVICE INDICATORS Seven LED lamps provided on the front panel indicate the plastic control housing D Drain the water with the manual drain valve NOTE The drain valve will be hot if the humidifier has not been allowed to cool E Disconnect the water and drain lines NOTE Some water may drain out of the water line Have a small container ready to catch the water NOTE Although the water has been drained some water may still remain in the humidifier reservoir along with sediment Be careful not to tip the unit over when removing it from the duct Remove the eight 8 screws from the front mounting plate F Slide the humidifier out of the duct G Remove the two 2 screws holding the tank baffle to the pan flange and remove the baffle from the unit Scrape all mineral deposits from the baffle and wash baffle off as described in step J Remove the Anode from the baffle plate and purchase a new one Operating the unit without the Anode will degrade the performance and increase maintenance Use a putty knife to scrape the minerals from the sides and bottom of the water reservoir DO NOT scrape on the small temperature probe or the heater element Use a soft emory cloth or stiffnylon brush If necessary fill the tank with vinegar and let it sit for several hours or even over night allo
23. ll not support the unit in a level position with the water pan full of water the duct work must reinforced Both steam models weigh approximately 9 Lbs empty and approximately 15 Lbs when full of water 8 STEAM OPERATION Required Criteria Because of the high output of this Humidifier it must not be operated without the blower operating The steam humidifier is designed to be Dominant over the HVAC System Blower The System Blower will be operated by the humidifier when the water tank temperature reaches 170 degrees A minimum of 800 cfm 800 900 fpm 15 required for proper operation of the steam humidifier Lower velocities may result in excessive condensation inside the duct See Air Proving Feature on the next column See Variable Speed on Page 7 A temperature sensor 15 mounted in the water reservoir of the humidifier As the water temperature increases to about 170 degrees F the computer closes a set of blower relay contacts to start the system fan When the water cools to about 140 degrees F the computer will open the relay contacts to shut off the fan This operational sequence drastically decreases the chances of condensation occurring inside the duct work 9 WIRING THE STEAM HUMIDIFIER IMPORTANT Dedicated fused circuits and outlets of the proper voltage and current ratings must be provided Use a NEMA _ 5 20R receptacle for the 82000 and NEMA 6 15R receptacle for the S2020 All wiring must con
24. ng inside the bin while the humidifier is idle over the summer Do not allow the unit to sit idle for long periods without a proper cleaning and shutdown Failure to do so will affect the performance of your steam humidifier Maintenance and inspection of the unit requires removal of the humidifier from the duct This can be done following these steps A Unplug the power cord from the 120 volt source for 52000 240 volt for 52020 and allow the water to cool for at least 30 minutes prior to removal Turn offthe water supply at the saddle tapping valve C Remove the cable assembly wire plug from the top of the K Rinse out the reservoir Be careful to keep water off of the wiring compartment and the front cover of the humidifier Allow the unit to dry thoroughly before using L Reinstall the tank baffle and tighten the two 2 screws M Re install the unit in the duct and connect the water line and the drain lines Store the unit in this condition for the summer or continue to the next step START UP N Turn on the water supply Inspect the water connections and drain fittings for leaks o Plug in the 52000 power cord to the 120 VAC 240 VAC for 52020 grounded outlet DO NOT use an extension cord 1 The green POWER light should blink rapidly until it detects a demand to humidify then it will blink slowly 2 Ifthe humidistat is calling for humidity the water valve will energize and the water pan will fil
25. on constantly THERMISTOR FAILURE This is an indication that the temperature probe 15 open or shorted to ground May also indicate the probe has detected a pan temperature below 32 degrees Or in excess of 230 degrees F resulting in a total shutdown Try to reset the unit by unplugging the cord and reconnecting or call Technical Support Red Service Light error 2 is on constantly WATER FAILURE This is an indication that the water fill time has been exceeded The water level did not reach the probe tip in the given amount of time It may also indicate an unsuccessful drain cycle 1 The water line is shut off at the saddle valve 2 The water line is crimped or pinched 3 The water valve inlet screen is plugged Remove the water line from the unit and check the screen found inside the inlet side of the valve 4 Unit is connected to a water source which is distilled over filtered de mineralized or from a reverse osmosis system Minimum 25 ppm water conductivity 15 required unit supply water must contain dissolved solids in the water or the processor will not be able to detect the water level 10 5 The water valve may be defective and must be replaced See replacement parts 6 The drain valve is unplugged or defective 7 Debris is clogging the drain valve or drain line 8 Reset the unit by unplugging the power cord and re connecting Both Red Service Lights error 3 on constantly HE
26. s a failure mode it must be manually reset disconnecting the power and then reconnecting it If the Air failure LED occurs simply turn the Humidistat off or down then back up again to reset WATER This will occur when the reservoir is not filling up with water not filling fast enough or the microprocessor cannot recognize that the water 15 touching the probe Reverse Osmosis water or purified distilled deionized water sources should be avoided unless the final feed water measures at least 25 ppm conductivity HEATER This will occur if the humidifier 15 not boiling off water during the HEATER cycle Water in the reservoir is not reaching 170 deg F temperature or the unit has not detected a request for water in a 50 minute steaming time period Both red LED s will illuminate this condition AIR This will occur if the humidifier detects a loss of air flow for more than 4 minutes A field supplied air proving device must be installed wired and tested THERMISTOR This will occur if a short or open 15 detected in the temperature probe 13 MAINTENANCE SPRING SHUTDOWN Proper maintenance and removal of mineral deposits 1s still required on your steam humidifier in order to optimize performance Annual cleaning is a must and more frequent cleaning may be necessary depending on the mineral content of the water your area A post winter cleaning and shutdown will prevent hard deposits from accumulati
27. screws that were removed previously It s that simple The Z100 can also benefit the older model steam humidifiers Simply lay the Z100 down into the baffle plate in the same location as the factory installed model DO NOT lay the 2100 down into the main tank It may come in contact with the heating element and damage it dimensions of the baffle plate prevent the Z100 from falling down into the tank Field Controls Inc 2630 Airport Road Kinston NC 28504 PH 252 522 3031 FAX 252 522 0214 Copyright 2011 Field Controls All Rights Reserved APPLICATION NOTE AN 151 D gt SCT 00 Sean ries FIELDCONTROLS SUPPLEMENT TO THE ELECTRONIC STEAM POWER HUMIDIFIERS MODEL 52000 AND 52020 The Field Controls Steam Humidifier can be equipped with a field installed Decorative and Protective Cover for Under the Duct Installations only The SC100 provides a protective shell around the exposed insulated tank and provides a visually pleasing finish to the installation 52000 52020 STEAM HUMIDIFIER SC100 PART 2009 DECORATIVE COVER P N 090376 0151 REV A Copyright 2011 Field Controls Inc All Rights Reserved Field Controls Inc 2630 Airport Road Kinston NC 28504 PH 252 522 3031 FAX 252 522 0214 DOCUMENT YOUR PRODUCT INSTALLATION amp MAINTENANCE DATA HERE FOR FUTURE REFERENCE Model Number Serial Number Date Code Date Purchased Date Installed Date Inspected Maintenance Schedule Annually Bi Annually
28. tandby mode when the humidistat is not calling for humidity and the power cord is plugged in the POWER LED should be blinking slowly Ifthe green POWER LED 1s not flashing when there is power to the unit the CPU and or circuit board may have failed B FILL When the humidistat closes ona call for humidity the FILL LED is illuminated the Solenoid Valve is open and the water reservoir is filling C HEATER When the water reaches it s proper level the valve closes the FILL LED goes out the HEATER LED 1s illuminated and the Heater begins to heat the water NOTE If the humidifier is unplugged while steaming operation and then plugged back in A rapid flashing of the POWER LED will occur and all other functions will stop The unit wants to perform a water probe test but cannot perform this test until the water cools down Simply wait until the unit cools down and it will resume normal operations To accelerate a cool down simply turn the HVAC system fan on via the thermostat INITIALSTART UP SEQUENCE OF OPERATION SERVICE LED INDICATORS D BLOWER When the water in the reservoir reaches approximately 170 deg the BLOWER LED will be illuminated and the interlock wiring should turn the system blower on Depending upon the water and ambient temperatures take anywhere from four to twelve minutes forthe water to heat to 170 deg If the humidistat remains closed the HEATER and B
29. ty water or Municipal water 15 preferred Softened water is preferred over untreated well water Specify the Optional WFA 195 disposable water filter for treating any water supply that is very high in mineral content NOTE Use a water hammer arrester WH 100 if water spikes occur pipes bang during fill ups OVERFLOW amp DRAIN LINES Required Criteria The use of an overflow line and drain line is always required Use the supplied 1 2 ID high temperature hose Slip the hose over the 1 2 OD T drain fitting and use a hose clamp to secure Route the hose to a suitable drain avoiding kinks traps and sharp objects DO NOT route the hose above the humidifier Failure to install all necessary drain lines may result in water leaks during normal operating conditions and voids all warranties When routing the 52000 drain hose into a condensate pump be sure to cut the end of the hose at a sharp angle to prevent the hose from bottoming out in the pan It could result in poor draining or no draining at all Failure to do so may result in water backing up into the S2000 reservoir and eventual overflow See Figure 5 DRAIN HOSE CORRECT INCORRECT CONDENSATE PUMP 7 MOUNTING THE STEAM HUMIDIFIER Use gasket material to seal where the front plate or tank flange contacts the duct work Place the humidifier reservoir into the opening in the duct and secure with eight 8 sheet metal screws NOTE If the duct work wi
30. udes an anti microbial treatment 3 WEIGHT Required Criteria Providing Adequate Structural Support for this unit is the responsibility of the Installer is recommended to reinforce the cut openings with folded lengths of sheet metal to provide rigidity to the duct opening Now the screws must pass through 3 layers of metal when inserted install this unit into fiberglass duct without adequate structural support Both models weigh approximately 9 lbs empty 15165 full of water 4 MOUNTING TEMPLATE Two mounting templates are provided Choose the correct template for your mounting method Tape the mounting template to the duct The template must be leveled using the top of the cutout on the template The template should be located so that the bottom of the reservoir cut out is flush with the inside of the bottom of the duct for horizontal duct Since most ducts are insulated this additional space about one 1 inch must be accounted for when determining the location for the bottom of the reservoir cut out If you are mounting it under the duct make sure the duct is level 5 DRILL HOLES AND CUT OPENINGS Use an electric drill with grounded power cord to drill eight 8 mounting holes 1 8 diameter in the duct These can be drilled through the template at the locations indicated on the template A saber saw or tin snips can be used to cut out the water reservoir opening Insert and or mount the H
31. umidifier and secure it to the duct with the provided screws CUT ON LINE MOUNTING TEMPLATE MODEL 52000 amp 52020 1 TAPE TEMPLATE IN LEVEL POSITION 4 2 2 CUT ON LINE 2 DRILL 8 HOLES FOR SHEET METAL SCREWS SHOWN ON TEMPLATE DO NOT DRILL LARGER THAN 1 8 DIAMETER 3 CUT OUT SOLID LINE AREA AS MARKED 4 MOUNT HUMIDIFIER PER INSTRUCTIONS CUT ON LINE P N 094021B0037 6 WATER SUPPLY Required Criteria A WATER SUPPLY USING THE SADDLE VALVE FURNISHED WITH UNIT Important See page 14 Installation instructions for the saddle valve are printed on the plastic bag containing the saddle valve and its components Tap into a 1 2 or 3 4 domestic cold water line Avoid connecting to water lines from a Reverse Osmosis system or De ionized water systems The supply water must read a minimum of 25 ppm in order for the Steam unit to reliably sense the water NOTE Never install the saddle valve on the bottom of the water pipe Sediment in the water pipe may clog the saddle valve Flush the line before connecting to the unit When tightening the hex compression nut tighten only enough to assure there are no leaks NOTE Saddle valves do not meet plumbing codes in some areas fitting with a valve may be required to meet code or if low water pressure causes frequent water alerts on the steam humidifier NOTE Flush the new water line before connecting it NOTE The use of Ci
32. wing the scale to soften and making it easier to remove Carefully scrape the Water Level Probe to remove mineral deposits Use soft emory cloth if necessary Clean the Water Probe Insulator inside the pan with a cloth and 50 50 mixture of water and vinegar rinse with fresh water Inspect for any mineral deposits on the plastic insulator Repeat cleaning if necessary and thoroughly dry Use a small nylon brush to clean deposits off the heater element and thermistor probe Be careful not to damage any of the components functional status of the humidifier as shown in Figure 7 below FIELDCONTROLS POWER THERMISTOR HEATER AIR lt Model 52000 WATER uncon explanation 000 BLOWER remsor HEATER Both LEDs flashing Air flow error FILL Te o Bower onvopon show TOF Oe P Part of the 0 Healthy Home System pal 348E Technical Assistance feldcontrols com 1 800 742 8368 Kinston NC For Residential Use Only IMPORTANT NOTE ON THE INITIAL FILL AFTER INSTALLATION OR ANY TIME THE WATER PAN IS DRAINED THE PAN MUST FILL WITH ABOUT THREE 3 TIMES THE AMOUNT OF WATER AS REQUIRED IN THE NORMAL CYCLE OF FILLING THE FILL TIMER MAY TIME OUT BEFORE THE WATER LEVEL REACHES THE WATER LEVEL PROBE CAUSING THE SERVICE CYCLE TO BE STARTED IF THE WATER FAILURE ILLUMINATES UNPL
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