Installation & Maintenance Instructions
Contents
1. FIGURE 7 Wiring with Manual Humidifier Control MANUAL HUMIDIFIER REMOVE WIRE CONTROL OPTIONAL 6 TO G TYPICAL 24 VAC TERMINAL STRIP THERMOSTAT IN FURNACE O HIGH HUMIDITY gt E LIMIT SWITCH 92 n BLOWER ACTIVATION O 2 gt RELAY c 2 52 T e L lo 212 a og 2 5 gt lt 2 WHITE YELLOW Oc amp WHITE BLUE a lt NOTES 1 18AWG WIRE IS ACCEPTABLE FOR 24V INSTALLATIONS 2 PACK TERMINALS PROVIDE 24 VAC ON CALL FOR HUMIDITY AND REMAIN ENERGIZED FOR TWO MINUTES AFTER CALL IS SATISFIED 90 1706 FIGURE Wiring with Automatic Humidifier Control 9919 9 9 24 VAC SOURCE OUTDOOR OR FURNACE ACCESSORY TEMPERATURE TERMINALS SENSOR OPTIONAL HIGH HUMIDITY LIMIT SWITCH Es NOTES 1 Set Power Bypass switch to POWER 2 Set Humidifier Pad Change indicator to OFF gt 3 Use 24 VAC transformer if furnace accessory terminals are 120 V CANISTER STEAM HUMIDIFIER 90 1726 9 INSTALLATION INSTRUCTIONS CONTINUED DRAIN LINE Attach the 7 8 1 0 drain tubing provided to the drain assembly at the bottom of the humidifier Secure with the hose clamp provided Do not over tighten Make sure the drain line has a constant downward slope from the humidifier to the drain and is not kinked or blocked If floor drain is no2. 2092 un p e saAeJD sansse q sap sjalia ewW sap Jasned ynad uoisua snos Sap 126 u02 sap sap asnes jualesinod sasnasabuep suonenyis 599 20 un Jasned ESTER REST SS TS 81 UOHeIJIpIWNY p awaysAs 82818 ans B ESTE STU p EE CEST ET 30 1 awalsAs adaid 115 9 anbsJo saneh sap asnes Inaden nea sapneyo 59 2 3221002 97 Sed zsa u LT 4 212 Jo 001 aun uolsJadsip aqn xneAn sa naden suep nea
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24. Mounting Holes 20 7 8 FRONT VIEW SIDE VIEW BACK VIEW Water Fill Line Connection 3 3 8 3 3 8 77 8 BOTTOM VIEW 90 1701 INSTALLATION INSTRUCTIONS CHOOSING A LOCATION DISPERSION TUBE When choosing a location for the dispersion tube three things must be considered Location in duct elevation with respect to the humidifier and distance from humidifier to dispersion tube Duct Location and Absorption Distance The preferred location for the dispersion tube is in a supply duct because higher temperature air will more readily absorb the moisture Whether installed in a supply or return the dispersion tube must be in a straight section of duct to avoid turbulent air and must be far enough upstream of any obstruction or bends in the duct to allow the steam to be fully absorbed to prevent condensation The exact distance from obstructions in the duct depends on air temperature RH set point and airflow velocity in the duct Table 2 provides absorption distance for typical conditions The higher the RH setting the longer the absorption distance Warmer air shortens the absorption distance If absorption distance is a concern install dispersion tube in supply duct and configure humidifier and control to operate only during HVAC system heat call When installing the humidifier system with variable
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33. os HUMIDIFIER BLK CONTROL PROVIDED HIGH LEVEL PROBE YEL C12 ll 8 OPTIONAL WATER LEVEL PROBE O ELECTRODE ELECTRODE FAN POWER RELAY COIL 24V AC 24V AC STEAM CYLINDER FILL VALVE 24V AC HIGH VOLTAGE WIRING CONTROL CIRCUIT WIRING FIELD WIRING SAFETY SWITCH COM is YEL DISPLAY PANEL o o RIBBON CABLE STATIC DISCHARGE GROUND 90 1658 13 START UP PROCEDURE om CO N co co Once the supply water drain steam hose electrical power and control wiring connections are complete make sure canister is fully seated into drain valve and three wire connectors on top of canister are secure High water probe wire and two interchangeable electrode wires Attach side panel and front door Open saddle valve allowing water to flow to humidifier Check for leaks Turn humidifier control knob to OFF Close main power switch energizing humidifier Press On Off button on humidifier The On Off light will illuminate green Make sure the HVAC blower is operating and adjust the humidifier control dial up to initiate a call for humidity The Steam light will illuminate green indicating a call for humidity and the Fill light will illuminate green indicating the fill valve is open allowing the canister to fill You should also hear the water flowing If w
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37. Remove canister and reposition O ring Water is flowing from fill cup overflow port Check internal hoses and remove kinks or blockage Disassemble brass fitting in feed line between inlet valve and fill cup Make sure small rubber flow orifice is in place in brass fitting CHECKING SYSTEM OPERATION amp TROUBLESHOOTING CONTINUED Problem Humidifier makes gurgling sound TABLE 5 Troubleshooting Guide continued Possible Cause Excess condensation in steam hose Action Make sure steam hose has constant downward slope to humidifier or to tees and traps in low spots of hose Fill valve makes banging sound Water hammer from line pressure Make sure water supply line does not contact ductwork Install shock arrestor Install section of 1 4 braided fill line Conform to local codes Humidifier will not fill Saddle valve not open Open saddle valve alfunctioning fill valve Check valve function using Test Mode Humidifier will not drain Debris in drain valve blocking outlet port Remove canister and clean debris from drain valve alfunctioning drain valve Check valve function using Test Mode Water in duct from dispersion tube Dispersion tube installed incorrectly Install dispersion tube with tublets facing straight up mpurities in steam hose or pipe causing oaming Rinse canister and hose in
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46. Knock outs for power wiring and low voltage control circuit wiring are located on the top of the humidifier Connect power and ground wiring as shown in appropriate wiring diagram e 240 VAC Figure 8 208 VAC Figure 9 120 VAC Figure 10 Do not run high voltage power lines over internal circuit boards INSTALLATION INSTRUCTIONS CONTINUED FIGURE 8 240 VAC Wiring Diagram NOTE HUMIDIFIER IS SHIPPED FROM THE FACTORY WIRED IN 52 12 THE 240 VOLT CONFIGURATION worerovibed 15 T T TERMINAL Lo BLK J UMPER WIRE UNUSED 480V LEAD 120 208 240 VAC TRANSFORMER BLU 75 YEL 24V AC CONTROLPCB CURRENT SENSING PCB 24 DC 24 DC HUMIDIFIER CONTROL PROVIDED HIGH LEVEL PROBE o iri 2 I FAN PACK OPTIONAL WATER LEVEL L l5vAc PROBE db E ELECTRODE ELECTRODE L l POWER RELAY COIL COM BRN OT 24V AC STEAM CYLINDER ist 24V AC FILL VALVE YEL 24V AC HIGH VOLTAGE WIRING COM DRAIN VALVE CONTROL CIRCUIT WIRING BLK ET FIELD WIRING 24V AC SAFETY SWITCH vo YEL DISPLAY PANEL o o RIBBON CABLE STATIC DISCHARGE GROUND 90 1660 11 INSTALLATION INSTRUCTIONS CONTINUED FIGURE 9 208 VAC Wiring Diagram NOTE HUMIDIFIER IS SHIPPED FROM THE FACTORY W
47. clean water Service light flashing red before end of humidification season Canister full of mineral deposits Plumb humidifier to filtered water Plumb humidifier to softened water Humidifier runs in short cycles does not reach capacity Use blower activation relay or run constant HVAC fan Yellow steam light Humidifier operating below rated capacity Normal operation for systems plumbed to low conductivity water and systems that operate for short cycles Plumb humidifier to softened water Use blower activation relay or run constant HVAC fan Operate humidifier on 240 volts To determine operating current attach clamp on ammeter to one of the electrode wires on top of canister A small amount of salt 1 10 tsp or one fast food salt packet can be added to fill cup to introduce conductive minerals to canister Do not over salt System will drain and refill with clean water further prolonging start Humidifier is not satisfying demand Excess humidity Control setting is too low Adjust control to higher setting Control mounted in wrong location See Installation Instructions with control for correct mounting location Short run times Use blower activation relay or run constant HVAC fan Humidifier capacity limited by input power 120V Control setting is too high Control mounted in wrong location Operate humidifier on 240 volts Ad
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49. is mounted below humidifier inspect drip tee and drain TO REPLACE THE CANISTER Replace the canister annually and when prompted by the Service light 1 Press On Off switch to turn humidifier off Allow humidifier to drain When the green Drain light stops flashing disconnect main electrical power to humidifier Remove front panel Pull three wires off posts on top of canister Two large electrode conductors and one water level probe conductor Loosen hose clamp at top of canister Slide hose off top of canister Slide canister up and out of drain assembly Discard canister Remove O ring from groove in drain assembly using small screw driver po GEO Inspect drain assembly and remove any debris 10 Insert new O ring into groove in drain assembly O ring is provided with canister Dampen O ring with water before inserting canister Do not use oil grease or any lubricant besides water Make sure strainer is inserted into bottom of new canister Insert canister into drain assembly Position canister with label facing outward Slip steam hose over top of canister and tighten hose clamp Reattach three wires to posts on top of canister Larger electrode conductors are interchangeable Replace front panel Restore electrical power to humidifier Turn humidifier on and verify green On Off light is illuminated a N A CO N See Start up
50. not set humidity higher than recommended Condensation may cause damage MATERIALS LIST MATERIALS FURNISHED NOT FURNISHED Humidifier 7 8 1 0 drain tubing 10 feet Main power disconnect switch Manual Humidifier Control Hose clamps Wiring Dispersion tube Saddle valve 1 4 0 D supply water tubing Steam hose 6 feet Mounting screws Boards for mounting if required PRINCIPLES OF OPERATION The Canister Steam Humidifier delivers humidity in the form of steam to the conditioned space via the HVAC system FIGURE 1 Fill and Drain System and Canister duct or optional Fan Pack The humidifier generates steam by energizing two electrodes that extend into a canister Steam of water Current flowing between the electrodes causes the water to boil creating steam Water is introduced to the humidifier through a fill valve to fill cup located in gt the top of the cabinet The fill cup serves as an overflow Rupee Overflow reservoir and provides air gap between the humidifier m and water source The steam canister is filled from the High Water Level Sensor bottom The canister is seated in a drain cup assembly which includes a drain valve The drain and fill valves work together to maintain water level in the canister to deliver Flow Control the rated steam capacity based on the electrical conductivity Orifice of the water and to temper drain water See Figure 1 for
51. procedure TO SERVICE THE FILL VALVE If water flow from fill valve is restricted disconnect inlet fitting and remove in line strainer from inlet port using small screw Clean or replace strainer CHECKING SYSTEM OPERATION amp TROUBLESHOOTING CAUTION Contact with electrical circuits can cause property damage personal injury or death Service and Troubleshooting must be performed by qualified electrician For general operational problems check to make sure humidifier is installed correctly TEST MODE To check general function of humidifier and components the following Test Mode procedure can be performed Humidifier must be powered and control knob must be turned to OFF position The humidifier should be plumbed to a water supply and the drain line should be connected Test Mode involves repeatedly pressing the On Off button and listening for audible clicks as the various components are energized and de energized The humidifier will remain in Test Mode for five minutes then automatically return to the Off state If the procedure is not completed in five minutes restart Test Mode If the humidifier or components do not respond as indicated investigate components being tested 1 Press the On Off button and hold it for 10 seconds until all display lights turn on On Off Fill steam and Drain lights will be green Service light will be red Press On Off button again All display lights will turn off Press On Off button again
52. speed blower determine absorption distance based on airflow at the lowest speed The dispersion tube must be mounted with the plate on a vertical surface with the tube angled up as shown in Figure 3 The steam outlets must face up regardless of the airflow direction the duct The plate is labeled UP to indicate proper orientation If the dispersion tube is mounted on insulated ductwork make sure insulation is not more than 2 thick at tube location to prevent insulation from blocking first steam outlet Note If two dispersion tubes are installed in one duct double the dispersion distances If three dispersion tubes are installed triple the dispersion distance Position dispersion tubes so one does not discharge directly onto another CAUTION Each humidifier requires its own steam hose and dispersion tube Do not connect steam hoses from more than one humidifier together Back pressure from one humidifier can lower the water level in the canister in the other humidifier and cause operational problems Do not install the dispersion tube in a duct with greater than 2 in wg static pressure High duct pressure can cause back pressure in the canister which can result in unstable unit operation TABLE 2 Absorption Distance Minimum distance from dispersion tube downstream to any obstruction or bend in duct Input Humidifier cn 70 F amp 30 RH 70 F amp 45 RH 65 F amp 45 RH Power O
53. steam hose 1 4 ft when using hard pipe 90 1704 FIGURE 4 Dispersion Tube Mounted Below Humidifi Drip tee installation for piping over obstruction or if dispersion tube is lower than humidifier 90 long sweep or two 45 elbows Insulate hard pipe to reduce steam loss N To Obstruction Dispersion Tube ail Drip tee 6 min Drain trap 8 min 7 1 NOTES air gap 1 Refer to governing codes for Open drain drain pipe size and materials required 2 Support steam hose so there see note 1 are no sags or low spots er 90 1703 Distance from Humidifier to Dispersion Tube The capacity of the humidifier is reduced by the length of the steam hose or pipe due to condensation The maximum recommended length of steam hose is 6 feet Use hard pipe insulated with 1 fiberglass for lengths greater than 6 feet Table 3 provides humidifier capacity with various lengths of steam hose and pipe If 6 foot steam hose does not reach from humidifier to dispersion tube splice in 1 copper pipe using 34 x 1 reducing couplings as shown in Figure 5 TABLE 3 Steam Humidifier Capacity in Gallons Day Steam Hose 120 Volts 208 Volts 240 Volts or Insulated Pipe Length Steam Hose Insulated Pipe Steam Hose Insulated Pipe Steam Hose Insulated Pipe 2ft 20 5 20 5 23 3 23 3 2 ft 20 20 23 23 4 ft 19 20 22 23 6
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58. Clamps 31 1 5297 Drain Hose 10 ft and Clamps 32 S1 HUSTATAUT056 Automatic Humidifier Control Not shown TO ORDER AUTHORIZED FACTORY REPLACEMENT PARTS Contact your Source1 HVAC Parts Distributor or visit our website at www Source1Parts com for a Distributor and Dealer listing 22 19 sap 9151 eun 119140 22 Q M 921105 JAJ 592910 ap Jane 532314 S30 u30NVWIAO UON 1ngjeayipiunu p 95010 VIVISQH LS sepuq 97 1629 18 sepuq 19 1 e 9629 15 08 2 14 1nod 5675 15 9ypiuunu p enauedns ayiwi ep inaydnveyu 7675 15 82 ep 1neydnuedu 2609 15 6 np siejay 2645 15 9119 uoydis L6ZS LS 18149 e 1007 19 Jnaye nuaA 2019 8 15 seansnjji uou 599910 sanny Jnadea ep euonoyeo nod sanbuo szuiof 5846 15 ZZ ape
59. Electrical 4 Access oo 16 for Drain 90 1702 16 for Steam Hose 30 for Service Access SIDE VIEW INSTALLATION INSTRUCTIONS CONTINUED PREPARE HUMIDIFIER FOR MOUNTING Unpack carton Open front panel by removing screw and lifting panel up and away from humidifier Disconnect three wires from top of canister by pulling straight up The two large wires are the electrode conductors The smaller wire is connected to the high water level sensor Remove canister by pulling it up and out of drain assembly Remove two screws on right side of humidifier and lift side panel off housing to expose electrical compartment INSTALL STEAM DISPERSION TUBE Note If humidifier will deliver steam via a Fan Pack instead of the dispersion tube follow instructions included with Fan Pack Make sure steam dispersion tube is mounted higher than the humidifier so that condensate that forms in the tube runs back into the canister If the dispersion tube cannot be mounted higher than the humidifier or if the steam hose must extend up from the humidifier then down to the dispersion tube due to an obstruction a drip tee and drain trap system must be installed as shown in Figure 4 Drill a 1 1 4 diameter hole in a vertical surface of the duct at the location chosen for the dispersion tube Position the tube so it is angled up regardless of airflow direction Secure with four she
60. Fill light will illuminate red and Steam light will illuminate yellow Press On Off button again Red Fill light will turn off Steam light will remain yellow gt Press On Off button again Listen for audible click as Power Relay is energized If click is not heard remove brown wires from terminals J7 and J8 and measure voltage across terminals J7 and J8 If 24 VAC is present replace Power Relay If 24 VAC is not present replace control circuit board 6 Press On Off button again Listen for audible click as power relay is de energized If click is not heard remove brown wires from terminals J7 and J8 and measure voltage across terminals J7 and J8 If less than 1 VAC is present replace power relay If more than 1 VAC is present replace control circuit board 7 Press the On Off button again Listen for a click as the fill valve is energized Water should flow filling the canister If the valve does not energize measure voltage across the J6 FILL terminals on the control circuit board If 24 VAC is present replace fill valve If 24 VAC is not present replace control circuit board 8 Press On Off button again Listen for click as fill valve is de energized Water should stop flowing If valve remains energized check for voltage across J6 FILL terminals on control circuit board If less than 1 VAC is present replace fill valve If more than 1 VAC is present replace control circuit board 9 Press the On Off button a
61. IRED FOR 240 VOLTS THE BLACK WHITE WIRE FROM L1 MUST BE MOVED TO THE 208 VOLT TERMINAL FOR 208 VOLT OPERATION J UMPER WIRE HUMIDIFIER CONTROL PROVIDED oo FAN OPTIONAL 90 1659 CONTROLPCB CURRENT SENSING PCB MAIN POWER SWITCH NOT PROVIDED TERMINAL N UNUSED 480V LEAD 120 208 240 VAC TRANSFORMER BLU 75VA 24V AC GROUND RED BLK 4 2 POWER RELAY CONTACTS 8 6 YEL BLK YEL WATER LEVEL PROBE O ELECTRODE ELECTRODE STEAM CYLINDER HIGH VOLTAGE WIRING CONTROL CIRCUIT WIRING FIELD WIRING DISPLAY PANEL HIGH LEVEL PROBE E 5 gt POWER RELAY COIL COM 24V 24V FILL VALVE COM 24V AC DRAIN VALVE COM 24V AC SAFETY SWITCH COM oc o YEL RIBBON CABLE STATIC DISCHARGE GROUND 12 INSTALLATION INSTRUCTIONS CONTINUED FIGURE 10 120 VAC Wiring Diagram NOTE HUMIDIFIER 15 SHIPPED FROM THE FACTORY WIRED FOR 240 VOLTS LE 3 12 THE BLACK WHITE WIRE FROM 11 NOT PROVIDED 12 MUST BE MOVED TO THE 120 VOLT TERMINAL FOR 120 VOLT OPERATION 1 TERMINAL BLOCK E 4 8 RED BLK POWER RELAY CONTACTS JUMPER WIRE RED UNUSED 480V LEAD 120 208 240 VAC TRANSFORMER BLU 75VA YEL 24V AC CONTROLPCB CURRENT SENSING PCB BLK 424V DC 131
62. Johnson Controls Unitary Products Model 8000 Residential Steam Humidifier Model 8000 Residential Steam Humidifier Installation amp Maintenance Instructions TABLE OF CONTENTS Safety 5 2 SUDDIY Water cet este bue a e PER ees 8 Materials 5 2 Control 9 Principles of Operation 3 Drain bine subs dt 10 Specifications amp Dimensions 3 Electrical Power Wiring amp Shut off Switch 10 Installation Instructions 5 Start up Procedure 14 Choosing a Location 5 Sequence of 14 Dispersion Ube renei se ceto cbr api pedini 5 Operating 15 lt H rmidiflSt dene danger Packed 7 Shut Down 15 Prepare Humidifier for Mounting 8 Display Panel 16 Install Steam Dispersion Tube 8 17 Mount 8 Checking System Operation
63. NHO8 V1SU3A 32V Id al 34813 100 1130 ONVIE HION 31 m el 5 072 318V9 ANISN 1 30 3IO3dX3 153 1 3a308VIN3H 021 0 34913 NOLLWTIVLSNIG 5 15 1 V1V ASIN 39VHOIJ4V O NVANNVd 311531 5 39V 18VO AIOYLNOD LINDYID 9 NOISN3 L 3 L0VH 9 18 19 3dOul2313 pnvaanv3AN 5 ION nvf un vid 9 8 ASIN Nvanu d18v25 5 3574 NON SLIOA 087 3G nou NOLLWLNAWITV G SIV 13H SLOVLNOD 9 4 v ION NOY 6591 06 WOD 3 1 35 LANIGOU Wo VO SJOA 35VSSITdl i3 1 nog V2 SyO VO I WOD NOLLVLNAWI1V 0 SIV 13d L a NOLLdO N3 unalvillN3A 2018 o o Wun3lVvol3IGIWOH 1 3aNVWINOD UNALVILNAA JV LSIGIINOH ION 22 vcr 22 OA rcr ANVYNOD NOIL23 130 5 SLINDYID ALYVD vC FIOYWLNOD SJWIY dI SLINDYID VASL 31VIWuOJSNVuL
64. amp Troubleshooting 18 Install Steam Hose 8 Replacement 5 21 READ AND SAVE THESE INSTRUCTIONS Johnson Controls Unitary Products 5005 York Drive Norman OK 73069 Subject to change without notice Published in U S A Form 715292 UIM A 1211 Copyright 2011 by Johnson Controls Inc All rights reserved 10009604 B2205571A 11 11 SAFETY CAUTIONS CAUTION ATTENTION INSTALLER Read this manual before installing This product must be installed by qualified HVAC and electrical contractors and in compliance with local state federal and governing codes Improper installation can cause property damage severe personal injury or death as a result of electric shock burns or fire Read all cautions and instructions Read this manual before performing service or maintenance procedures on any part of the system Failure to follow all cautions and instructions could produce the hazardous situations described resulting in property damage personal injury or death Failure to follow the instructions in this manual can cause moisture to accumulate which can cause damage to structure and furnishings HOT SURFACES AND HOT WATER This steam humidification system has extremely hot surfaces Water in steam canister steam pipes and dispersion tube can be as hot as 212 F 100 C Discharged steam is not visible Contact with hot surfaces discharged ho
65. ater flows down drain while humidifier is filling check for kinks in hoses and make sure O ring is properly seated in groove in drain valve Once the Fill light turns off to verify that the humidifier will drain properly press the On Off button to turn humidifier off You may hear the fill valve open allowing cold water to flow into the canister to cool the water in the canister The Drain light will flash green for 15 seconds then turn green for four minutes while the canister drains Once the Drain light turns off the drain cycle is complete Set humidifier control to proper level 10 Press On Off button to turn humidifier on SEQUENCE OF OPERATION When the humidifier control detects RH below the set point and provided the humidifier is turned on and the HVAC system blower is operating the internal controller in the humidifier energizes the electrodes and measures the current flowing through the water between them The controller adjusts water level in the canister via a fill valve and a drain valve to maintain current at a nominal 11 5 amps The operating water level in the canister depends on the mineral content of the water which determines conductivity If the blower activation relay is installed the humidifier control will turn on the HVAC blower when a call for humidity is made OPERATING MODES When the humidifier is powered and turned on the On Off light is illuminated green During fill cycles the Fill ligh
66. be does not detect water Off Humidifier is not producing steam 1 Solid Green Humidifier is turned on and receiving a call for humidity from the control Steam Solid Yellow Humidifier is producing steam but at less than the rated capacity Occurs if humidifier has operated for 168 hours and does not detect nominal 11 5 amps between electrodes Off Drain valve not energized Solid Green Drain valve is energized allowing water to drain from canister Humidifier is preparing to drain Flashes for 15 seconds indicating fill valve is open allowing cold water into canister Canister has reached end of life Humidifier continues to operate but at reduced capacity Occurs Flashing Red after humidifier has operated for 168 hours plus another 24 hours at less than 75 of the maximum operating current level between electrodes Solid Red Humidifier is not operating and requires service MAINTENANCE CAUTION Allow humidifier to drain and disconnect power before servicing Service should be performed by a qualified HVAC technician Inspect humidifier when servicing Check system operation and inspect all plumbing connections and piping for signs of cracks or leaks Inspect drain line to make sure it is not blocked and has constant downward slope Clean or replace if necessary nspect steam hose to make sure it has no low spots and has constant upward slope from humidifier to dispersion tube in duct If dispersion tube
67. dia AOA 0 2 802 02 113 N 4 d 5110 802 Y IN3IN3NNOLLONOJ 31 NON 4 T ELLE 5 802 30 3NH08 39V 1d3Q TIME 3813 1100 1130 2NV IE HION TH 71 ME 0 3182 INISN1 30 3103dX3 153 YNSLVONICINNH 80 6 39198 3115 NOILYTIYLSNI G S3AI1L93410 ANOLLVLS 39uvH23G 39931 VIV ASIN NVANNVd Nvanu318V25 0991 06 e T ION nvf un vid 9 8 SIV 13H SLOVLNOD v ION nou 3uuaL v1 Y ASIN 5 NON SLIOA 713 ANVYNOD SAWIYdWI SLINDYID 1 V SIO VASL JLYWYOJSNYYL V2 SOA 0 2 802 021 E V 2018 L twainos non 1 e FIOYLNOD SJWIYdNI 10 99 WOD 5 YNILdNYYILNI pz 31531 uns 39 18 2 FIOYLNOD LIn2ul na 9 18 2 LINIJO WOD vf 310 VH 39v18y2 JN CD 455 LANIGOU rof V2 SI Ell VO SJOA WO5 NOLIVIN3WITV G SIv13W
68. e replaced If the humidifier attempts to drain the canister and cannot the drain and fill valves will pulse amp off for four seconds to dislodge minerals which may be blocking the drain valve ports The Drain and Fill lights will flash on amp off when this occurs Any time power is disconnected or humidifier is turned off the internal timer for start up and drain cycles is reset If the humidifier has operated 168 hours without a drain cycle the drain valve will open and drain the canister Normal operation will continue If the humidifier is operating and a power failure occurs once power is restored the On Off light will flash green for one minute then the humidifier will turn on END OF SEASON PERIOD OF INACTIVITY SHUT DOWN The humidifier does not need to be turned off at the end of the humidification season If 72 hours elapses without receiving a call for humidity the canister will automatically drain The Drain light will remain lit for 24 hours This may also occur during periods of inactivity during the humidification season The humidifier will resume normal operation when a call for humidity is made SHUT DOWN PROCEDURE To turn humidifier off push ON OFF button once Humidifier will enter four minute drain cycle Fill valve will open to temper drain water The Drain light will flash green for 15 seconds then turn green for four minutes while the canister drains Once the Drain light turns off the drain cycle is co
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71. er Make sure steam hose has a constant slope of at least 2 per foot between the dispersion tube and the humidifier Any and every low spot in the steam hose or pipe must have a drip tee and drain trap Fill drain trap with water before making final connections SUPPLY WATER Plumb the humidifier to cold hard or softened water Do not use hot water because unheated supply water is used to cool water drained from the humidifier Do not use demineralized or reverse osmosis water For proper operation supply water pressure must be between 25 psi and 120 psi Supply water piping must be free of oils lubricants solder flux and other contaminants which can cause foaming in the canister that can lead to water sputtering from the dispersion tube into the duct Install the saddle valve according to the instructions printed on the bag Run 1 4 copper tubing from the saddle valve to the humidifier Connect it to the fill valve Double wrench to prevent leaking and damage to valve INSTALLATION INSTRUCTIONS CONTINUED CONTROL WIRING The control circuit operates on 24VAC Install manual humidifier control S1 HUSTATMAN4655 and blower activation relay as shown in Figure 7 See Figure 7A for wiring automatic humidifier control 1 HUSTATAUTOBSG If protection from over humidification is desired install optional high humidity limit switch at least 4 feet downstream of the dispersion tube
72. et metal screws provided MOUNT HUMIDIFIER Secure humidifier to sturdy wall using screws provided or to sheet metal duct Humidifier weighs 23 Ibs with full canister Make sure mounting system will support weight If mounting to stud frame wall install two spanner boards to studs and fasten humidifier to spanner boards Make sure humidifier is mounted plumb Verify that the O ring is in place in the slot in the drain assembly Dampen the O ring with water then reinsert canister Do not use oil grease or any lubricant besides water Rotate the canister so the caution label is visible Reattach the electrode conductors interchangeable and the high water level sensor wire INSTALL STEAM HOSE Six feet of steam hose is provided with the humidifier If the steam hose must be cut use a hacksaw If additional length is required use 1 O D metal or copper pipe Do not use PVC pipe for steam line Insulate pipe with 1 thick fiberglass to reduce steam loss See Table 3 for humidifier capacity at various lengths of steam hose and pipe Use the steam hose provided Other hoses may have impurities which can cause foaming in the canister Foaming can cause water level inaccuracies and reduced steam production When using pipe remove all traces of residual materials used to connect the pipe to prevent foaming Attach steam hose to dispersion tube and then to top of canister using hose clamps provided Use heavy wire clamp to secure hose to canist
73. ft 18 20 21 22 8 ft 19 22 10 ft 19 22 12 ft 19 22 14 ft 18 21 16 ft 18 21 18 ft 18 21 20 ft 18 20 INSTALLATION INSTRUCTIONS CONTINUED FIGURE 5 3 4 x 1 Reducing Coupling Dispersion Tube Steam Hose 1 1 2 Hose Clamp x 1 Copper Pipe 1 1 2 Hose Clamp Steam Hose Humidifier 90 1705 HUMIDIFIER Do not mount humidifier in a location where ambient temperature exceeds 120 F or where freezing temperatures may occur Extreme temperatures may cause the humidifier to leak which can damage furnishings or structure Mount humidifier in a location that allows access for servicing and clearance to remove front panel for replacing the canister and side panel for access to the electrical components during installation See Figure 6 for minimum clearances around humidifier The humidifier should be mounted as close to the dispersion tube as possible Table 3 shows how capacity is reduced as the distance between the humidifier and dispersion tube increases If the humidifier is mounted on the duct directly below the dispersion tube allow space for a bend in the steam hose The humidifier can be mounted to a wood surface or to sheet metal ductwork if it is structurally stable Do not mount humidifier to fiber duct board The humidifier must be mounted to a vertical surface and must be mounted level in the upright position FIGURE 6 Clearances FRONT VIEW r 16 for
74. gain Listen for a click as the drain valve is energized Water should flow down the drain If the valve does not energize remove the drain valve wires from terminals J3 and J4 on the control circuit board and measure voltage across the terminals If 24 VAC is present replace drain valve If 24 VAC is not present replace control circuit board 10 Press On Off button again Listen for click as drain valve is de energized Water should stop flowing down the drain If valve remains energized remove the drain valve wires from terminals J3 and J4 on the control circuit board and measure voltage across the terminals If less than 1 VAC is present replace drain valve If more than 1 VAC is present replace control circuit board 11 Press the On Off button again Listen for a faint click as the FAN PACK terminals on the control circuit board are energized If the terminals do not energize 24 VAC measured across terminals replace the control circuit board 12 Press On Off button again Listen for click as FAN PACK terminals are de energized If the terminals fail to energize more than 1 VAC measured across terminals replace control circuit board Exit Test Mode by disconnecting power to humidifier or allowing five minutes to elapse CHECKING SYSTEM OPERATION amp TROUBLESHOOTING CONTINUED Problem General operating problems Humidifier will not turn on or turn off TABLE 5 Troubleshooting Guide Possible Cause Field wired ter
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76. just control to lower setting See Installation Instructions with control for correct mounting location REPLACEMENT PARTS Refer to the following page for part descriptions 21 REPLACEMENT PARTS CONTINUED Item No Part No Description 1 S1 HUSTRAIN4004 Fill Valve In line Strainer 2 51 5271 Membrane Switch 3 51 5272 Transformer 4 1 5273 Power Relay 5 51 5274 Electrode Wire 6 51 5275 Ground Lug 7 51 5276 Input Power Terminal Block 8 51 5299 Transformer Terminal Block 9 51 5277 Internal Control Circuit Board 10 51 5278 Current Sensing Circuit Board 11 51 5279 Drain Valve 12 51 5280 Inlet Fill Valve and Water Feed System 13 51 5281 Drain Cup Assembly 14 51 5282 Front Panel with Nameplate and Screw 15 51 5283 Electrical Access Panel and Screws 16 51 5284 Safety Interlock Switch 17 51 5285 Fill Cup and Hoses 18 51 5286 Fill Cup Cap 19 51 5287 Steam Dispersion Tube and Screws 20 S1 HUSTATMAN4655 Manual Humidistat 21 51 8044 Steam Canister with O Rings Item 22 22 51 5289 O Rings for Steam Canister Other Parts not shown 23 1 854Y Fan Pack 24 51 4001 Saddle Valve 25 51 5291 Drain Trap amp Tee 26 51 5292 Blower Activation Relay 27 51 5293 Airflow Proving Switch 28 51 5294 High Humidity Limit Switch 29 51 5295 Condensate Pump Rated for 160 F 30 51 5296 Steam Hose 6 ft and
77. minal connections Action Check L1 N L2 and Ground connections Check HUMIDISTAT and FAN PACK Terminal connections HUMIDISTAT terminals must be connected to an on off device Control circuit board will be damaged if If 24 volts are connected to HUMIDISTAT terminals Check wiring connections and settings on Accessory items such as high limit switch and airflow proving switch Internal connections No power to humidifier Humidifier not turned on No power to 24 volt control circuit Check electrode and high water probe connections on the top of the canister Check to make sure two sets of blue white wire jumpers from control circuit board to current sensing circuit board are secure and have the proper polarity Blue wire on jumper set towards front of humidifier should be on top on both plugs Blue wire on jumper set towards back of humidifier should be on bottom of both plugs Make sure ribbon cable from membrane switch is securely plugged into control circuit board Check that terminals from internal components are securely attached to proper tabs on circuit boards Make sure one of the electrode wires extends through toroid ring on current sensing circuit board Make sure Black white wire from L1 is attached to terminal that matches input voltage Check main power supply and switch Check for proper voltage across L1 and N L2 terminals Make sure front cover is attached to engage safety interlock switch Pres
78. mplete and the humidifier is off DISPLAY PANEL Green lights indicate normal operation Yellow Steam light indicates humidifier is operating at less than rated capacity Yellow Steam light also indicates humidifier is in Test mode Flashing red Service light indicates canister has reached the end of its life and needs to be replaced Solid red lights indicate humidifier has shut down and requires service Disconnecting power to humidifier resets internal timers Drain Service TABLE 4 Display Panel Flashing Green Indicator Light Function Off Humidifier is turned off or power is disconnected 6 Solid green Humidifier is turned on On Off Flashing Green Humidifier is preparing to turn on Occurs if power to humidifier was turned off when humidifier 9 was on Humidifier turns on after light flashes for one minute Off Fill valve not energized Solid Green Fill valve is energized filling or replenishing canister with water During drain cycle when fill valve J is open allowing cold water into canister to temper drain water the fill light does not illuminate Flashing Green Fill and Drain Valves are pulsing to dislodge mineral deposits from drain Flashes 10 times in 4 Fill 9 seconds Occurs if high water probe detects water during drain cycle Solid Red Humidifier cannot fill canister Humidifier stops operating Occurs after fill valve has been energized for 40 minutes and high water pro
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80. representation of fill and drain system and canister Electrodes Canister Steam is delivered into the airstream through a dispersion tube mounted in the HVAC system ductwork Openings in the dispersion tube are fitted with tubelets which extend into Inlet the center of the tube The design of the dispersion tube and Fill Valve Drain Valve tubelets distribute steam over a wide area the duct and direct any condensed moisture back into the steam hose Drain Cup WATER QUALITY Supply Water Minerals that are naturally found in water cause the water to be electrically conductive Water conductivity is measured in Drain micro Siemens per centimeter uS cm Mineral content also described as water hardness 15 usually measured in grains per gallon Because of the variety of minerals that are found in water there is no direct correlation between water hardness and conductivity but generally the higher the mineral content the higher the conductivity 90 1522 The Canister Steam Humidifier is designed to operate on water with conductivity between 125 and 1 250 uS cm This correlates loosely with water with hardness between 3 and 36 grains gallon Water that is considered hard and also softened water work well in the humidifier The humidifier will make steam when pl
81. s On Off button Make sure ribbon cable from membrane switch is securely plugged into control circuit board Check reset switch on transformer With humidifier energized check for 24 6 volts AC across J2 amp J5 terminals If okay check for 5 Volts DC across 5V and GND test points on control circuit board If okay replace membrane switch If not replace control circuit board If 5 volts DC are not present between 45V and GND test points remove blue white wire jumpers and check DC voltage across 5V and GRD points If 5 Volts DC are present replace current sensing circuit board If 5 volts DC are not present replace control circuit board Steam Light does not turn on Call for humidity not being received Check control wiring and setting heck wiring and settings of high RH limit switch and airflow proving switch if installed Water is leaking from humidifier Loose plumbing connections heck water supply connection at fill valve inlet Tighten as needed C C Check internal hose clamp connections Reposition clamps and tighten as needed heck steam hose connection top of canister Tighten clamp as needed Water constantly runs down drain Malfunctioning drain valve Check valve function using Test Mode Debris in drain valve preventing it from closing O ring in drain valve is not properly seated in groove Remove canister and clean debris from drain valve
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83. t available use condensate pump Part 51 5295 to route water to a suitable drain Note The humidifier uses cold water to temper drain water to less than 140 F However if a drain cycle is initiated when the canister is in full boil the temperature of the drain water could spike for a few seconds up to 170 F ELECTRICAL POWER WIRING amp SHUT OFF SWITCH CAUTION Only qualified electrical personnel should perform field wiring procedures Improper wiring or contact with energized circuits can Cause property damage or severe personal injury All wiring must be installed in accordance with all governing electrical codes and with the wiring diagram provided inside the front panel Power wiring must be rated for 105 C 220 F Do not loop power wiring Do not use aluminum wire A safety grounding system that meets all governing electrical codes is required The ground connection must be made with solid metal to metal connections Ground wire must be the same size as the power wiring Humidifier draws 11 5 amps 10 Use 12 7 amps when sizing circuit The Steam Humidifier is shipped from the factory wired for 240 VAC operation but it can operate on 120 208 or 240 VAC If using 120V or 208V move the black white jumper wire attached to L1 tab on the power terminal block to the proper tab on the transformer terminal block WIRING INSTRUCTIONS Install disconnect switch not provided between line power source and humidifier
84. t illuminates green When the humidifier is turned on any time the control sends a call for humidity the Steam light illuminates green Any time the drain valve is activated the Drain light illuminates green During initial start up with a new canister the humidifier may run through a series of fill drain cycles until the conductivity of the water is in a range that allows the humidifier to generate steam at the rated capacity If the conductivity of the water is low it may take several days for the humidifier to generate steam at the rated capacity The rated capacity is achieved when the humidifier is detecting 11 5 amps of current between the electrodes If the humidifier has not reached capacity after 168 hours of operation the Steam light will illuminate yellow on a call for humidity The humidifier will continue to operate with a yellow Steam light and may satisfy the humidity requirements Once rated capacity is reached the Steam light will illuminate green The internal controller adjusts water level in the canister to maintain a nominal current of 11 5 amps between the electrodes As minerals build up on the electrodes their effectiveness decreases so the controller will increase the water level to submerge more of the electrode surface When the water has reached the high level probe in the canister and the internal controller no longer detects nominal current the Service light will flash red indicating that the canister needs to b
85. t water or air into which steam has been discharged can cause severe personal injury To avoid severe burns follow procedures in this manual when performing service or maintenance procedures on any part of the system DISCONNECT ELECTRICAL POWER Disconnect electrical power before installing supply wiring or performing service or maintenance procedures on any part of the humidification system Failure to disconnect electrical power could result in fire electrical shock and other hazardous conditions These hazardous conditions could cause property damage personal injury or death Contact with energized circuits can cause property damage severe personal injury or death as a result of electrical shock or fire Do not remove access panels until electrical power is disconnected Follow the shutdown procedure in this manual before performing service or maintenance procedures on any part of the system ELECTRICAL SHOCK HAZARD If the humidifier starts up responding to a call for humidity during maintenance severe bodily injury or death from electrical shock could occur Follow the procedures in this manual before performing service or maintenance procedures on this humidifier EXCESSIVE SUPPLY WATER PRESSURE Supply water pressure greater than 120 psi may cause the humidifier to overflow SHARP EDGES Sharp edges may cause serious injury from cuts Use care when cutting plenum openings and handling ductwork EXCESS HUMIDITY Do
86. umbed to low conductivity water but it takes longer to reach nominal capacity With low conductivity water it may take the humidifier one week or more of operation to reach rated capacity especially if it is wired to operate on 120 volts When operating on 240 volts the humidifier usually will reach nominal capacity within a few hours even with lower conductivity water As water in the canister boils and turns into steam minerals are left behind The remaining minerals if they remain in solution in the water increase the conductivity of the water Minerals also deposit onto the submerged portions of the electrodes rendering those areas ineffective As this occurs the level of water in the canister rises to expose uncoated electrode surface SPECIFICATIONS amp DIMENSIONS TABLE 1 Specifications Maximum steam capacity Nominal Current draw amps Humidifier unit operating weight Voltage kW gal day amps Ibs 120V 1 4 11 5 11 5 23 208V 2 4 20 5 11 5 23 240V 2 8 23 3 11 5 23 SPECIFICATIONS amp DIMENSIONS CONTINUED FIGURE 2 Humidifier amp Dispersion Tube Dimensions 3 Mounting Plate 8 7 8 to first opening 77 8 Fill Cup 33 8 158 ce an 1 dia 3 3 8 L 41 4 VEN 5 3 4 2 8 1 4 g 2 sq STEAM DISPERSION TUBE Electrical Knockouts Dispersion Outlet TOP VIEW 10 1 8 i 8
87. utput Partlow Velocity Setpoint Setpoint Setpoint 7 11 13 120 V 11 5 gal d d d 5 gal da 5 j 2 3 3 1800 fpm lt 2 2 2 13 19 23 6 10 12 208 V 20 5 gal day 3 5 6 1800 fpm 2 3 4 15 23 28 6 12 13 240 V 23 3 gal day 5 6 T 1800 fpm 3 4 5 Velocity in feet per minute Duct airflow volume in cubic feet minute duct area in square feet Example 1 200 cfm through 16 x 12 duct 1 200 12 x 16 144 sq in sq ft 1 200 1 333 900 fom INSTALLATION INSTRUCTIONS CONTINUED Elevation The preferred location for the dispersion tube is higher than the humidifier so that the steam hose has a constant downward slope of at least 2 per foot from the dispersion tube to the humidifier If hard pipe is used the slope can be 1 4 per foot With the constant downward slope any condensation that forms in the steam hose will drain back into the steam canister See Figure 3 If the dispersion tube must be mounted below the humidifier or if the steam hose needs to run up and over an obstruction a drip tee with drain trap must be installed as shown in Figure 4 Steam hose or pipe FIGURE 3 Dispersion Tube Mounted Above Humidifier Insulate pipe with 1 fiberglass to reduce steam loss Dispersion tube h bie 90 long sweep or two 45 elbows Duct Pitch steam hose down from dispersion tube to humidifier 2 15 minimum when using
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