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XT Series - DRI

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1. 8V9 7419 amp C Noli NO SHIM N THIN S gas iv WNOIS 3HI 8 SJAA 1X WvEOONd Ol 8 YsISIGINNH LX HOLMS 190 440 NO CwNoudO OLMS MOTA 5 8V9 1519 50 42 OL OML YAMOT OL 135 SS3d 5 8V9 1419 1 071313 10 1102 39VLT0 WOH C3131dAO0 WVHDONd OL OL NOlInB 300 553 01 Q3iwldSld 2700 TINA 135 SS3d 2700 Nn 135 SS3d SH3IIGIWnH SISAL Q3iw1dsla 6500 TINA NOLLnH 135 SS3d SIMION OMT c ANN 1195 NOLWNIGNOD 1 3IvAuOv Ol NOLIn8 124145 5354 WNN3DG 3 nH 123135 OL NOLLNE 135 553 4 Ai IJA TOSINOO WBLINOO OL OL 123135 IHL 55339 GOW TOMINOO lvISIQINnH ONLINGON X04 INANI TOMINOO TUNA NOLLNA 135 55384 9 SO AWNOIS TOMINOD ALWALOY OL NOLIN LOTTAS 55350 ONINATYDO S NO NI 3009 31907 OL SONOOSS 01 00 2 OL NOLIN 10313S Wvao0
2. CONTROL TO OUTDOOR TEMPERATURE RESET SUPPLY ODT XT PANEL 3 WIRE 18 GA SHIELD GND LUG GND LUG CTRL CAB TERMINALS NOTE AIR FLOW SWITCH CHANGING CONTROL INPUT SIGNAL ES mue DUCT AIR FLOW SWITCH N O OPTIONAL REQUIRES SOFTWARE MODIFICATION _ H ON OFF DUCT HIGH LIMIT SWITCH OPTIONAL SEE PAGES 51 52 FOR INSTRUCTIONS GND CONTROL MODULATING 0 10 VDC ROOM HUMIDISTAT HOW PROGR HE INPUT EOR CONTI PRESS THE MODE BUTTON SELECT MENU ITEM PROGRAM ALARM RELAY 1 COH N C PRESS SELECT BUTTON AND INDEX TO 27 OO NORMAL dim PRESS SET BUTTON TO INDEX THE LOWER TWO DIGITS TO 27 O5 DEFAULT SETTING SE C WAIT 4 SECONDS TO LOCK CODE NUMBER IN FOR PROGRAMMING 24VAC 1 AMP MAX 5 FAULT PRESS SELECT BUTTON TWICE TO ACTIVATE CONTROL SIGNAL OPTIONAL BY OTHERS CS MENU PRESS THE SET BUTTON UNTIL CONTROL INPUT TYPE 0 10 N C VDC FOR MODULATING HUMIDISTAT CONTROL MODE ALARM RELAY 2 NORMAL PRESS THE SELECT BUTTON AND INDEX TO HU E TO CONFIRM DEFAULT SETTING E1 EXTERNAL CONTROL TYPE IF INTERNAL PRESS THE 24VAC 1 AMP MAX SET BUTTON TO SELECT HU E EXTERNAL OPTIONAL BY OTHERS FAULT N FOR DOUBLE UNITS PRESS SELECT BUTTON UNTIL 2 dbL APPEARS 7 TO CONTROL BOT
3. ONAN Ss3ud 8 H 123135 Ol NOLInS JONINOO MISIOAN SNUVInOON S03 TN 5 INN AAI 5 IX AvHOONd Ol WNSGINI M 1X QNO TOXLNGS 01 0 30A 12 2 2 2 1419 1 0 55 4 L be CWASON Veo nn O 809 Xlddns WOH 8 TYNOILdQ OVAVZ wl 110430 2 su3u10 XVN OvAvZ 35 9 1 AVIS WAV 8 YAISIGINNH 1X 1X NO TWNHBINI SWNIWH3L 8V9 TIO TaNvd 1x s A8 INANI WNO INAN SAL IOHINO2 01 0 12 9 2 9H Iva 135 853 NOLIVNIBWOO 1145 3lvAUOY OL LITAS TOHINOO ANIN 145 Ss3ud 8 NH 103136 OL NOLLNg OL FNH OL X3ONI ONY LOTTAS 85384 OL OL X3QNI QN NOLIDB 103135 SS3Hd AYTGSIO 3HL NO JOON TOMINOO LWISIGINAH 9N YTIndoW 01 0 OMINOO TINN
4. minimum Airflow switch or differential Damper control P pressure switch sail type High limit humidistat or high limit transmitter set at 90 RH maximum for VAV applications recommended for VAV applications Relief air es IAH rp Retumnait c l Vapor absorption has taken place Point of vapor absorption Humidifier dispersion assembly P Turning vanes DC 1084M DRI STEEM XT Series Electrode Steam Humidifier Installation Operation and Maintenance Manual Page 13 Wiring diagrams Figure 14 1 Control wiring diagrams for humidity transmitter external connections to XT Series humidifiers HUMIDITY TRANSMITTER EXTERNAL CONNECTIONS XT DIAGRAM CONTROL 4 20 MA HUMIDITY TRANSMITTER W ON OFF HIGH LIMIT SUPPLY PCB HOW TO PROGRAM THE INPUT SIGNAL FOR HUMIDITY TRANSMITTER INPUT PRESS THE MODE BUTTON TO SELECT MENU ITEM PROGRAM PRESS SELECT BUTTON AND INDEX TO 27 OO N C 2 3 PRESS SET BUTTON TO INDEX THE LOWER TWO DIGITS TO 27 O5 4 5 ALARM RELAY 1 DEFAULT SETTING SE 24VAC 1 OPTIONAL BY OTHERS WAIT 4 SECONDS TO LOCK CODE NUMBER IN FOR PROGRAMMING PRESS SELECT BUTTON TWICE TO ACTIVATE CONTROL SIGNAL CS MENU 6 PRESS THE SET BUTTON UNTIL CONTROL INPUT TYPE 1 420 FOR TRANSMITTER 4 20 MA CONTROL MODE PRESS THE SELECT BUTTON AND INDEX
5. of Diameter ef Pitch of Pitch of Pitch of Condensate drain dispersion tube interconnecting piping interconnecting piping interconnecting piping dispersion tube s condensate drain 2 ft 15 Vapor hose 114 DN40 toward humidifier 2 ft 15 Without drain d humidifi No drain 14 DNAO 1 8 Ift 196 toward humidifier Tubing or pipe toward humidifier Vapor hose 1 DN40 2 ft 15 1 8 ft 1 toward dispersion tube toward 1a 295 With drain m 1 ft 5 condensate toward floor drain Tubing or pipe 112 DN40 toward dispersion tube drain Note When piping over an obstruction see the drip tee installation illustration on Page 24 Page 26 DRI STEEM XT Series Electrode Steam Humidifier Installation Operation and Maintenance Manual Dispersion Single Tube and Multiple Tube continued Figure 27 1 Single Tube dispersion with condensate wasted to floor drain Maximum capacity of dispersion tube e 1 dia DN40 56 8 Ibs hr 25 8 kg h Duct Vapor hose tubing or Secure and seal pipe Insulate tubing escutcheon plates and hard pipe to reduce steam loss Do not insulate vapor hose Pitch 3 8 M10 90 see Note 2 below mounting nut long sweep or two4S ebows TTT Adapter Pitch tube toward drain 1 8 ft 1 6 152 mm recommended XT Series hu
6. 193135 55344 8 WwNH3DG INH 193135 OL NOLInS 4 T081NOO WOO OL OL 193135 IHL 55384 IANH ONUVINGON 435 JHL 55349 NNI 452 ud IS 1 2 ILYA 013 90 L O3 WSS INN YSISIGINNH ax CD H a NO 5 TAIN YILANA WwHSOHd Ol NOLNNIBWOO 1145 3lVAUDY OL JONO_NOLLNG 123135 553 8 123135 OL NOLLNE 3S 53 4 TOSINOD WBIJNOO OL Ol NOLING 123135 IHL SS3ud AVIdSIC Suv3ddv 01 0 TINN 13S SS3d 9 ONIANvHOONd NI 3002 3201 OL 500035 OL 51910 OML 33MO JHL OL NOINE 135 5534 00 42 OL NOLLNG 123135 Wil NANIA 123135 OL JOW 55344 NOlIn8 124145 55339 ANIN 1195 ANIN 52 9 Saud iq TINO WOH O3LTIdAOO WvHbONd wAVTdSIG OL X3ONI OL NOLIN 3004 553 0 01 O3AVIdSIO 6 9 IND NOLIDH LIS 853 4 SHANA G3AVIdSIQ 6v SZ TNN 135 8534 JUNNA NOLIDH 135 5534
7. Dispersion XT steam blowers continued Figure 41 1 Piping from steam cylinders to XT steam blowers XT steam blower Plastic tie 1 3 8 steam hose by DRI STEEM Pitch 2 ft 15 min Y connector supplied by DRI STEEM pee i i d po NR Worm drive hose clamp Bolt hose clamp supplied with humidifier XT 75 Humidifier NN 7 178 mm water seal typ Plastic tie Condensate hose by DRI STEEM OM 7521 To open drain To open drain Plastic tie Pitch 2 ft 1596 min _ 1 3 8 O D steam hose by DRI STEEM Bolt hose clamp Y connector supplied by DRI STEEM supplied with blower Worm drive hose clamp Bolt hose clamp supplied with humidifier XT 150 Humidifier 7 M Condensate hose by DRI STEEM 7 178 mm water seal Q i Plastic tie To open drain To open drain To open drain open drain OM 7522 DRI STEEM XT Series Electrode Steam Humidifier Installation Operation and Maintenance Manual Page 41 Dispersion XT steam blowers continued Condensate drain connection to XT steam blower Figure 42 1 XT steam blower dra
8. OM 7518 Plastic tie OM 7517 To open drain DRI STEEM XT Series Electrode Steam Humidifier Installation Operation and Maintenance Manual Page 39 Dispersion XT steam blowers continued Figure 40 1 Piping from steam cylinders to XT steam blowers XT steam blower Plastic tie 1 3 8 O D steam hose by DRI STEEM Pitch 2 ft 1596 min Bolt hose clamp supplied with blower VERE Bolt hose clamp XT 100 Humidifier supplied with humidifier Condensate hose by DRI STEEM oO 7 178 mm water seal typ On Plastic tie 5 OM 7519 To open drain To open drain XT steam blower Plastic tie Bolt hose clamp by DRESTEEM hose supplied with blower iq Bolt hose clamp Ed supplied with humidifier 9 Condensate hose by DRI STEEM 7 178 mm water seal typ Plastic tie To open drain To open drain To open drain To open drain OM 7520 Page 40 DRI STEEM XT Series Electrode Steam Humidifier Installation Operation and Maintenance Manual
9. 4 d adi INdNI INdNI 61 4 01 0 IOS1NO2 01 0 TOXINOD 01 0 2 IOXINOD 01 0 90 16 Ave iz Jona nva OTAIHS v9 81 2 10 50 GI o N QG 22 o 62 4 68310 IWNOLLdO IWNOLLdO CA IWNOLLdO 2 B XVN 1 OvAZ 62 OvAvZ 9 0 4 9 XVW OVAZ P 13 5 110 430 IP 413 5 110 430 13 ONS 13 5 NANYA 5 2 AVIY WAVY 5 2 WAV o 2 WVV 5 ras 2 avia NAVV nw rmv nw O 2 on 8 6 NNOLLdO d TYNOLLdO INNOLLdO A8 INNOLLdO 2 div 1 2 2 2 D L 23 04 div OVAVZ dA OVAPZ 35 5 11 330 v 35 5 11 330 35 5 11 330 35 5 1 330 2 N AVISH o N 5 AVISH on AVISH o N AVISH WavT 82d 14
10. 135 SHI 5338 9 01 0 INANI 1OMINOO TNA NOLInH 135 55344 9 ONIN 52 ANN 50 ssaud MNOIS TOUNOD ALVAUOY OL IML 103135 55348 TWNOIS JLVALOY OL NOLINE 123135 59384 SNIAWYHSONd HOF NI 3002 X001 OL SQNOO3S lb ONINNYHDONE NI 3009 201 OL 5080235 4 Ss3ud 55399 Z 55 52 5 55344 2 1 NvoONd 103185 OL NOLINE IOON 53 1 WALI 103185 OL NOLING 553 i JONINOS IVISIQINnH S9NUVIRUOR IOANA Ix WWHOONd OL i CNNOldO HOLMS 1 440 NO 8 4 CON von a MOS STWNINYAL TUL WRIS IMENT om a k Tanva E ano 7OMINOO 4 110 01 0 90 12 5 vo 8 3HIM Z 48 A8 TYNOILdO OvAvZ 13 5 INVIO Z AVI mw TaN 4B M me su3Hi0 A8 IVNOLLdO iios L OvAvZ 2 L 436 5 rinvadd 1 AVIY o N OD G d CWWHON 82d Xlddns 78531 3AVH AVN W3lSAS avinoluvd ANOA SH3dIGINnH N38ADN SMOHS WVSSvIG 9NISIM
11. If the troubleshooting guide does not help you solve your problem call us with the following information available Product name firmware version and serial number You ll find this information on the wiring diagram on the outside of the control cabinet door and or in the System Data operating mode Problem definition Example water leaking low humidity high humidity etc Time problem began Example Always after remodel after a change in weather etc System changes Example Pressure new service new controller relocation change in maintenance etc Calling DRI STEEM technical support 800 328 4447 Have the following information ready before calling technical support Humidifier model number Humidifier serial number Firmware version Problem definition Time problem began Error codes and quantity frequency of codes DRI STEEM XT Series Electrode Steam Humidifier Installation Operation and Maintenance Manual Page 61 Troubleshooting continued Table 62 1 Problem possible cause action Action Problem No readable information on display Possible cause No power or incorrect voltage to processor board Check main power supply Reset control transformer circuit breaker if tripped Modular communication cable is disconnected Connect modular cable Humidifier does not energize steam cylinder does not heat up Non existent supply voltage to humidifier Check main line
12. Secure and seal escutcheon plates Vapor hose tubing or pipe Mounting nut 3 8 M10 Pitch 90 long sweep or two 45 elbows If 1 1 6 Pitch tube toward drain f 152 mm 14 1 8 ft 1 pipe thread Lou XT Series B Water seal Yo DN15 condensate humidifier E 5 127 mm drain tube pitch 4 ft 2 Condensate drain tube provided by installer DN20 minimum 1 25 mm air gap S Open drain required Locate air gap only in spaces with adequate temperature and air movement to absorb flash steam otherwise condensation may form on nearby surfaces Refer to governing codes for drain pipe size and maximum discharge water Notes temperature Pitch vapor hose tubing or pipe toward dispersion tube 2 fft 15 when using vapor hose 12 ft 5 when using 112 tubing or pipe e Dashed lines indicate provided by installer OM 7368 Figure 28 2 Single Tube dispersion with condensate drain Thermal resin tubelets steam orifice inserts Mounting bracket 12 O D DN15 condensate drain DN8 pipe thread Movable escutcheon plate end Plate can be mounted within limits of 2 5 64 mm OM 351b Page 28 DRI STEEM XT Series Electrode Steam Humidifier Installation Operation and Maintenance Manual Dispersion Rapid sorb General Rapid sorb instal
13. HU Pr Internal controller humidity proportional range 10 Variable HL Pr High limit VAV transmitter proportional range 10 Variable HU External or internal humidity controller HU E Variable SPLt Split combination for sequencing units See Page 48 for an explanation of settings 00 99 Variable 1 dbL 2 dbL Both cylinders are controlled parallel Each cylinder is controlled separately 20 5 Signal for turn on point 20 SP signal for turn on at 20 10 SP signal for turn on at 1096 Double check OL setting after changing 20 5 Variable d PLU Drain plus Adds drain time in seconds to the calculated drainage duration 00 Variable d Int d Add Drain interval Time in minutes between automatic drains Drain additional If the function is active a drain will occur at regular intervals independent of the automatic drain oF function not active on regular drainage active 20 oF Variable d HU Drain humidistat If the function is active the automatic drain will only occur after the humidistat switches off oF function not active on function active oF Variable d H Ad FL dL Drain humidistat additional This function activates the drain valve in seconds after the humidistat switches off Fill valve delay Function is active fill valve opening delayed in seconds if current is sensed in the monitored e
14. Insulating hard pipe reduces the loss in output caused by condensation When using hard pipe take care to remove ALL traces of residual materials used to assemble the pipe This will minimize the possibility of foaming in the steam cylinder Denatured alcohol or mineral spirits work best for removing residual materials If the humidifier must be located above the dispersion assembly use the recommend installation as shown on Page 24 See the maximum steam carrying capacity table below 22 1 Maximum steam carrying capacity and length of interconnecting vapor hose tubing and pipe Hosettt Copper or stainless steel tubing and Schedule 40 steel pipe Hose I D Maximum capacity Maximum length Tube or pipe size Maximum capacity age inches DN Ibs hr kg h ft m inches DN Ibs hr kg h ft m DRI STEEM white braided hose 7 8 22 20 9 10 3 1 3 8 35 75 34 10 3 DRI STEEM black vapor hose 1 40 150 68 10 3 1 40 150 68 20 6 2 50 250 113 10 3 2 50 220 100 30 9 3 801 450 204 80 24 100 750 340 100 30 5 125 1400 635 100 30 6 150 2300 1043 100 30 Basedon total maximum pressure drop in hose tubing or piping of 5 wc 1244 Maximum recommended length for vapor hose is 10 3 m Longer distances can cause kinking or low spots minimize loss
15. Replacement parts cont Table 67 1 XT Series replacement parts No Description Part no Wiring kit XT 10 208 240 480 600V 3 Ph XT 20 208 240 480 600V 3 Ph 530010 041 Wiring kit XT 10 208 240 277 480 600V 1 Ph 20 277 480 600V 1 Ph 530010 042 Wiring kit 20 208 240V 1 Ph 530010 045 Wiring kit XT 30 480 600V 3 Ph 530010 043 Wiring kit XT 30 208 240V 3 Ph XT 50 208 240 480 600V 3 Ph 530010 044 Wiring kit XT 75 100 150 200 530010 046 Steam cylinders Steam cylinder XT 10 208 240 277V 1 ph 530011 001 Steam cylinder XT 10 480V 1 ph 530011 008 Steam cylinder XT 10 600V 1 ph 530011 009 Steam cylinder XT 10 208 240V 3 ph 530011 002 Steam cylinder XT 10 480V 3 ph 530011 010 Steam cylinder XT 10 600V 3 ph 530011 011 Steam cylinder XT 20 208 240V 1 ph 530011 012 Steam cylinder XT 20 277V 1 ph 530011 013 Steam cylinder XT 20 480V 1 ph 530011 014 Steam cylinder XT 20 600V 1 ph 530011 015 Steam cylinder XT 20 208 240V 3 ph 530011 003 3B Steam cylinder XT 20 480V 3 ph 530011 004 Steam cylinder XT 20 600V 3 ph 530011 016 Steam cylinder XT 30 208 240V 3 ph 530011 006 Steam cylinder XT 30 480V 3 ph 530011 005 Steam cylinder XT 30 600V 3 ph 530011 017 Steam cylinder XT 50 208 240V 3 ph 530011 018 Steam cylinder XT 50 480V 3 ph 530011 007 Steam cylinder XT 50 600V 3 ph 530
16. XT Series replacement parts Figure 65 1 OM 7372 Page 65 DRI STEEM XT Series Electrode Steam Humidifier Installation Operation and Maintenance Manual Replacement parts cont Table 66 1 XT Series replacement parts No Description Part no Hoses adaptors and clamps Hose steam 22 29 mm x 12 00 XT 10 20 except XT 20 208 240V 1 Ph 530002 012 Hose steam 35 43 mm x 12 00 XT 20 208 240V 1 Ph XT 30 50 75 100 150 200 530003 012 Adaptor 7 8 to 1 1 2 XT 10 20 except XT 20 208 240V 1 Ph 162774 005 2 Adaptor 1 3 8 to 1 1 2 XT 20 208 240V 1 Ph XT 30 50 75 150 162774 010 Adaptor 1 3 8 to 1 1 2 XT 100 200 162715 002 3 Hose clamp steam hose to adaptor XT 10 20 except XT 20 208 240V 1 Ph 700560 075 Hose clamp steam hose to adaptor XT 20 208 240V 1 Ph XT 30 50 75 100 150 200 700560 125 4 Hose drain 22 29 mm x 10 00 530005 010 5 Hose clamp D29 drain cup and steam cylinder to steam hose XT 10 20 except XT 20 208 240V 1 Ph 530001 051 Hose clamp D43 steam cylinder to steam hose XT 20 208 240V 1 Ph XT 30 50 75 100 150 200 530001 052 Electrical 6 Switch main on off 530010 001 7 Switch door interlock 530010 002 Transformer 208 240 480 to 24 VAC 408965 001 8 Transformer 277 to 24 VAC 408982 Transformer 600 to 24 VAC 408986 Contactor type 3RT1023 except XT 20 208 240V 1 Ph 5
17. 135 553 4 Y WH 19510 OL X3ONI Ol NOLLNE 300W 55344 ONIBIM 01315 ONINOO 39VLIOA no 66 0G TINN NONE 135 SHSIIGINDH 338HI 6 G3AYdsIG 6 52 135 55344 02700 TUNA 135 55309 SHTHIOIWDH 8101 19910 68 08 IND NOLNA 135 55344 200 TUNA NOLInE 135 55359 SEES E 6 ANIN 195 NOLVNIBAOO 145 OL JONO 123135 103135 Ol al T0BINOO 135 WBIINOO OL TNH OL X3QNI ONY 124145 IHL 553 55339 8 2914510 3HL NO Suvdddv TOXINOD 145 853 9 ANIN 52 TWNOIS OMINOO 3lvALOY OL LINAS ONIWAYHDONd X04 NI M3EADN 3002 3201 OL 500935 50 42 OL 50 OML YaMO7 OL 135 00 OL 103135 Wall nN3A 103135 OL NOUNS JONINOO SNHYTIOOR 55359 NOLWNIGNOD 1145 3lvALOY OL JONO NOLIn8 124155 TONINO NH O3Av1dSId 6 00 TUNA NONE 135 553 SHSIICIWTH
18. G3AVIdSIO vZ 00 Nn NOLIDH LIS SS3Hd SHANA GO3AVIdSIO PZ O0 TUNN NOLINE 135 553 4 TIANA 338HI 6 00 TUNN NOLINE 135 553 4 OMT NOLNNIBWOO 3lVALOY OL NOLIN 193135 853 4 wNH3DG 123136 OL NOLInS 135 3HL SS3Nd 3I 3dAL TOMLNOD IWNS3DG WBIJNOO OL Ol LOTTIS IHL 55339 4 lOMINOO LVLSIOINNH 9NUYTInQON NO 01 0 INANI 102100 135 55384 9 ANIN 52 WNOIS JONINOO 3lvALOv OL 3OWML 123135 553 50 72 OL SLIOIG OML YAMOT OL NOLInB 135 853 s NI AISAN 3000 007 OL SONOOSS v 0 42 NvuoONd WAL 123135 OL 5535 OL X3ON ONY NOLIhH 103735 553 4 JONINOS 303 WSIS SIONA WvHSONd OL IX HL SES SUSHIO AB HOLMS MOT S WNIWH3L THIO SWNIWH3L 5 SVD THIO SWNIWH3L SVD WI 9m om e 9m Tanva 1x 00 TaNvd 1 TANYd 1x O f 1x j 100 j 13534 QN9 3univsddW3L ans 2 T ona 000100 OL TOMINOD
19. IVISIGINNH WOOS ONILVINGOW ONIMIM LX Balsa Ix WwHSONd Ol W3UIGIWNnH IX 9 AB AVIAN 1 eccl es 1 HOLIMS Lo ano 10 AviSIQIWnH WOON 049 9F aY WOH TWNOILdO OvAVz 13 Linv43d 2 AVY MN A8 OvAvc 3S 9NILI3S LInv 30 L 240 NO 1ong M 1VISIOIWnH 01 0 9 TOXLNOD Page 18 DRI STEEM XT Series Electrode Steam Humidifier Installation Operation and Maintenance Manual Wiring diagrams continued Figure 19 1 by others dz a gt E ic E lt z c gt lt Nn cs z 5 3 DAJY ZL 89d 1X 60 11 Alva QISA 50 61 1 0 WNIDIYO NOLLVNIBEWOO 3lvAUOv OL 3ONO NONA 19313 75531 11 OL OL NOLInB 553 01 66 S TUNA 135 SS3sd SSIS 8101 ANIN 2195 55 8 vNH3DG 3H 123135 OL NOLIhH WALSAS
20. Operating water level varies with changes in demand for humidity and changes in water conductivity Cutaway of steam cylinder Overflow drain See the field piping overview illustration on Pages 8 9 for fill and drain connection details Cylinder drain OM 7376 Principle of operation When the relative humidity level in the space being humidified drops below set point the microprocessor controller in the XT Series humidifier receives a call for humidity and calculates a corresponding amperage value The controller closes the contactor which energizes the electrodes If there is no water or not enough water in the steam cylinder the fill valve opens and water enters the steam cylinder As soon as water rises to touch the electrodes current flows through the conductive water from one electrode to another The conductive water provides resistance to current flow producing heat and causing water in the steam cylinder to boil and produce More on next page gt Page 44 DRI STEEM XT Series Electrode Steam Humidifier Installation Operation and Maintenance Manual Operation continued steam As the amount of water covering the electrodes increases or as water conductivity increases current flow increases The fill valve remains open until the current flow increases to the amperage corresponding to the demand signal When this amperage is met the fill valve closes and water continues t
21. 5 Z NAVV o N S Z 2 NAVN ix aA WON ix Z WAON 52 wa Veo cma G G _ OO 2 8 Lip A8 NNOLLdO PCR Ri A8 INNOLLdO SEED A8 INNOLLdO A 8 A8 OvAvZ 9 OvAPZ 3 V 3S 9 35 110 430 135 9 35 110 430 3S ONILIGS 4 35 9 35 o N O 9 O WAVY 04 45 1 WAVY 004 5 L Wavy g E M QV Z WON JAN TWNHON WON WON Xl1ddns X1ddns X1ddns 82d X1ddns 340 NO SN3HIO A8 01 0 SNLLVINGON TOXINS SS31 3AVH WALSAS MVInOlbNVd YNOA YASWNN WOWIXVA SMOHS SYSHLO A8 5 01 0 ONILVINGOW ONIMIM YSISIGINNH LX and Maintenance Manual Page 19 lon ion Operati Installat ier DRI STEEM XT Series Electrode Steam Humi Where to find more dispersion information In this document Interconnecting piping and drip tee installation pages 21 24 Single Tube
22. d WALI ANIM 103135 OL NOINE 300W 1041505 IVISWIWHH ONU VIO WvsOOHd OL T WNOIS IndNI 1X SY3H10 AB a O bu n 1 HOIH x E oq eee ee 1 HOLMS MOT ax O dX 0 1 1 i A 4 _ _ 4 5 9 io x T SY3H10 QNS i Tounoa ___ 01 0 SH3HLO A8 EPE A8 SH3HLO A8 oro 01 0 2 01 0 01 0 sax v ow ow CD 90 12 T CAD _ Ve GND GTAIHS vo 81 T 09 00 9 WOH 28 WOH o CO p os 2 OvAVZ 2 80 OvAVZ 9 OvAVZ 9 82 3 OvAvZ Vw 5 1109430 52 113 5 110430 113 ONILS 1109430 13 o 5 Z
23. 00 29 01 Indicator Page 50 DRI STEEM XT Series Electrode Steam Humidifier Installation Operation and Maintenance Manual Operating modes continued Adjustments operating mode The Adjustments operating mode provides access to values that require frequent adjustment To make adjustments press the MODE button until the LED next to Adjustments illuminates Press the SELECT button to index to the first variable The LEDs near the SELECT and SET buttons flash indicating that they are selectable Press the SELECT button repeatedly to scroll through the Adjustments submenu Press the SET button to change the parameter The table below shows the parameters available for adjustment Table 51 1 Adjustments operating mode Program m Default Alternate Mode variable Definition display display Range Increment Variable type Adjustments Default display Four dashed lines for external Default Indicator control RH for internal control HU SP Humidity set point for internal controller 35 10 100 1 Variable HU L Humidity limitation for high limit VAV transmitter 80 10 100 1 Variable SEV Service set point Use the SET button to set counter 00 00 9900 100 Variable for maintenance interval Life of cylinder reset code 37 Counter of steam cylinder operating hours After replacing the steam Reset with LIFE cylinder reset Life to 00 Enter the code number 37 cylinder with the SET button and wait until
24. RH 12 mA 50 RH Measure for normal 0 to 10 VDC or 4 to 20 mA control signal Reduced or no output even though water level is correct Malfunctioning control system Check if auxiliary limit controls are not allowing system to operate e g high limit humidistat airflow proving switch etc Reset replace or calibrate as needed Jumper H H if auxiliary limit controls are not used Check fuse in power circuit If open replace fuse with equal fuse Steam cylinder malfunctioning Verify that proper voltage is being applied to the steam cylinder Check current through electrode wires If power components are not functioning replace Steam cylinder failure Improper wiring Verify proper voltage applied to steam cylinder Verify proper electrical connections Mineral buildup on steam cylinder electrodes Inspect steam cylinder for severe mineral buildup on or around electrodes If severe mineral buildup is present replace steam cylinder Steam cylinder electrode corrosion Inspect electrodes for surface corrosion or pitting This is usually caused by a high chloride level in the supply water Test water and consult DRI STEEM for advice More on the next page gt Page 62 DRI STEEM XT Series Electrode Steam Humidifier Installation Operation and Maintenance Manual Troubleshooting continued Table 63 1 Problem possible cause action Problem Unit does not fill wit
25. STEEM Rapid sorb and Ultra sorb are registered trademarks of DRI STEEM Corporation and are filed for trademark registration in Canada and the European community Ultra sorb is covered by the following Patents with additional patents pending United States Patent numbers 5 126 080 5 277 849 5 372 753 5 376 312 5 543 090 2009 DRI STEEM Corporation p Form No XT IOM 0209 Part No 890000 140 Rev C REV WEB Two year Limited Warranty DRI STEEM Corporation DRI STEEM warrants to the original user that its products will be free from defects in materials and workmanship for a period of two 2 years after installation or twenty seven 27 months from the date DRI STEEM ships such product whichever date is the earlier If any DRI STEEM product is found to be defective in material or workmanship during the applicable warranty period DRI STEEMS entire liability and the purchasers sole and exclusive remedy shall be the repair or replacement of the defective product or the refund of the purchase price at DRI STEEMS election DRI STEEM shall not be liable for any costs or expenses whether direct or indirect associated with the installation removal or reinstallation of any defective product The Limited Warranty does not include cylinder replacement for electrode steam humidifiers DRI STEEMS Limited Warranty shall not be effective or actionable unless there is compliance with all installation and operating instructions fur
26. Start up checklist Your humidification system may not have all of the options listed below If an item does not apply to your system skip to the next item and continue the process Before you start read this manual and other information sent with your humidifier O Verify that the field wiring is done per the instructions in this manual and per the unit wiring diagram O Your humidifier uses cold potable or softened water Do not use water treated by reverse osmosis RO or deionization DI Confirm that all wiring is correct per the wiring diagram Ll Confirm that proper grounding and an approved earth ground are provided Turn water supply on and confirm that the drain valve is closed Turn power on and confirm that the display is illuminated Confirm that the airflow switch is closed Confirm that the high limit humidistat input is closed or that the variable air volume VAV control system high limit transmitter is connected O If airflow switch or high limit humidistat is not included jumper H H terminals unless on off humidistat is installed O With sufficient water in the steam cylinder the airflow switch closed the high limit humidistat closed the door interlock safety switch closed and a call for humidity verify that the heat outputs are activated O If you experience difficulties have the above information available with the model and serial number of the humidifier and firmware ve
27. TO HU E N C 8 PRESS THE SET BUTTON TO SELECT HU I FOR INTERNAL INPUT ALARM RELAY 2 CONTROL DEFAULT SETTING E1 9 FOR DOUBLE UNITS PRESS SELECT BUTTON UNTIL 2 dbL APPEARS 24VAC 1 AMP MAX c TO CONTROL BOTH CYLINDERS IN PARALLEL PRESS SET ONCE OPTIONAL BY OTHERS FOR 1 dbL N O 18 PRESS MODE BUTTON TO INDEX TO DISPLAY 11 INPUT SELECTION COMPLETED 21 VDC 4 20 MA HUMIDITY ADJUSTMENTS TRANSMITTER INPUT PRESS MODE TO CALL THE MENU ADJUSTMENTS GND 2 PRESS SELECT TO CALL THE PARAMETER HU SP 3 PRESS SET TO ADJUST THE CONTROL SET POINT 10 100 RH YT PANEL 4 LEAVE THE MENU ADJUSTMENTS PRESSING THE O Su nk BUTTON MODE TWICE FOR DISPLAY MODE CTRL TERMINALS DUCT AIR FLOW SWITCH N O OPTIONAL AIR FLOW SWITCH o HIGH LIMIT NOTE CHANGING CONTROL INPUT SIGNAL 0 8 DUCT HIGH LIMIT SWITCH OPTIONAL REQUIRES SOFTWARE MODIFICATION SEE PAGES 51 52 FOR INSTRUCTIONS CONTROL 4 20 MA HUMIDITY TRANSMITTER W VAV HIGH LIMIT E l SUPPLY PCB PRESS THE MODE BUTTON TO SELECT MENU ITEM PROGRAM PRESS SELECT BUTTON AND INDEX TO 27 OO PRESS SET BUTTON TO INDEX THE LOWER TWO DIGITS TO 27 O5 WAIT 4 SECONDS TO LOCK CODE NUMBER IN FOR PROGRAMMING ALARM RELAY 1 PRESS SELECT BUTTON TWICE TO ACTIVATE CONTROL SIGNAL DEFAULT SETTING SE 24VAC 1 MAX OPTIONAL BY OTH
28. XT Series Electrode Steam Humidifier Installation Operation and Maintenance Manual Wiring diagrams continued Figure 15 1 Control wiring diagrams for humidistat external connections to XT Series humidifiers HUMIDISTAT EXTERNAL CONNECTIONS XT DIAGRAM CONTROL ROOM ON OFF HUMIDISTAT W DUCT ON OFF HIGH LIMIT HOW TO PROGRAM THE INPUT SIGNAL FOR ON OFF CONTROL COH 1 PRESS THE MODE BUTTON TO SELECT MENU ITEM PROGRAM ALARM RELAY 1 NORMAL 2 PRESS SELECT BUTTON AND INDEX TO 27 OO DEFAULT SETTING SEX 4 PRESS SET BUTTON INDEX THE LOWER TWO DIGITS TO 27 05 24VAC 1 AMP MAX 4 WAIT 4 SECONDS TO LOCK CODE NUMBER IN FOR PROGRAMMING OPTIONAL BY OTHERS FAULT 5 PRESS SELECT BUTTON TWICE TO ACTIVATE CONTROL SIGNAL N O CS MENU 6 PRESS THE SET BUTTON UNTIL CONTROL INPUT TYPE ON OF ALARM RELAY 2 N C APPEARS FOR ON OFF CONTROL MODE DEFAULT SETTING p NORMAL 7 PRESS THE SELECT BUTTON AND INDEX TO HU E CONFIRM 24VAC 1 MAX EXTERNAL CONTROL IF INTERNAL PRESS THE OPTIONAL BY OTHERS FAULT gt SET BUTTON TO SELECT HU E EXTERNAL N O 8 FOR DOUBLE UNITS PRESS SELECT BUTTON UNTIL 2 dbL APPEARS TO CONTROL BOTH CYLINDERS IN PARALLEL PRESS SET ONCE FOR 1 dbL SUPPLY PCB wu 9 PRESS MODE BUTTON TO INDEX TO DISPLAY OI Sho Ng 10 INPUT SELECTION COMPLETE HUMIDISTAT CTRL CAB TERMINA
29. above and below desired set point Malfunctioning control system If there is a faulty or inaccurate humidity controller repair or replace Relocate poorly located control components See humidity control placement information on Page 13 Noisy operation Contactor noise Verify contactor and transformer electrical connections Verify 24 VAC on internal control board terminal strip Contactor normally makes a clunk sound as it pulls in A continuous chattering noise is not normal and is symptomatic of a failing contactor or malfunctioning controls Replace contactor or troubleshoot the control system Fill valve noise A dicking sound as the fill valve opens or closes and a hissing sound during fill are normal A slamming sound as fill valve closes is water hammer and can be minimized by installing a shock arrestor A loud buzzing sound indicates poor alignment or valve stem Replace valve No remote fault indication Field wiring not installed Provide field wiring to a remote fault indicator from supply board see Pages 14 19 Field supplied remote fault indicator lamp is burned out Check if lamp by others is burned out replace if needed Remote fault relay is not switching Check relay continuity for contact closure see Pages 14 19 Page 64 DRI STEEM XT Series Electrode Steam Humidifier Installation Operation and Maintenance Manual Replacement parts
30. acknowledge the message This message will occur when the counter of steam cylinder operating hours LIFE exceeds the service setpoint SErv For example the user may decide to check the steam cylinder when LIFE reaches 500 hours Go to Adjustments operating mode and press the SELECT button until the program variable SErv can be viewed Press the SET button until 500 is displayed This means an E5 message will occur when LIFE goes beyond 500 hours This is a service message only the humidifier will continue to operate Press the SET button to acknowledge the message Perform the desired maintenance If a new cylinder is installed be sure to reset the steam cylinder operating hours counter LIFE to 00 see step 17 on page 59 and decide if service set point SErv at 500 hours is sufficient Adjust as necessary If cylinder is not replace user must add hours to SErv in order to avoid nuisance E5 messages DRI STEEM XT Series Electrode Steam Humidifier Installation Operation and Maintenance Manual Page 57 WARNING When performing maintenance on the XT Series humidifier Close the field installed manual supply water shut off valve e Turn the humidifier off Place all power disconnects in OFF position and lock in OFF position Failure to follow these instruction can result in property damage severe personal injury or death as a result of electric shock burns and or fire Note It is advisable to keep a spare s
31. and Maintenance Manual Dispersion XT steam blowers continued Wiring the XT steam blower Power is provided to the XT steam blower from the humidifier blower terminals Connect the L1 line from the steam blower to the L1 humidifier blower terminal and connect L2 from the steam blower to the L2 humidifier blower terminal Connect ground to the ground terminal Be sure to tighten terminals securely Table 43 1 XT steam blower specifications Amps at Input Steam Maximum capacity Shipping weight Operating weight 115V An Volume airflow Noise blower 50 60 Hz P model Ibs hr kg h 165 kg Ibs kg A m min dBA XTSB 20 20 9 1 12 5 4 10 4 5 0 16 18 106 3 0 49 XTSB 50 50 22 7 25 5 11 6 232 10 5 0 50 65 550 15 6 53 Notes Measurement taken 6 5 ft 2 m in front of steam blower cabinet Steam blowers ship separately from XT humidifiers DRI STEEM XT Series Electrode Steam Humidifier Installation Operation and Maintenance Manual Page 43 Operation Figure 44 1 XT Series principle of operation Steam travels through vapor hose tubing or pipe to the dispersion assembly Fill cup Steam outlet Replaceable steam cylinder High water sensor The humidifier stops filling if water reaches this sensor Overflow prevents humidifier from over filling Electrode Electric current flows between electrodes heating water into steam
32. clamps on the dispersion tube and the header stub verify that the header pitch 1 8 ft 196 toward drain is maintained 7 Permanently secure both ends of the header and verify that the header pitch 1 8 ft 196 toward drain is maintained 8 Verify that all fasteners are secure e L bracket to duct Dispersion tubes to L bracket Hose clamps 2 DN50 tubes 9 Secure and seal the dispersion tube escutcheon plate and condensate drain tube escutcheon plate around the respective tubes if applicable Page 32 DRI STEEM XT Series Electrode Steam Humidifier Installation Operation and Maintenance Manual Dispersion Rapid sorb continued Figure 33 1 Rapid sorb installed a horizontal airflow with header inside the duct Position L bracket so that flange is upstream of dispersion tubes This drawing shows the L bracket positioned for airflow back to front Dispersion tube Point tubelets steam orifices perpendicular to airflow Slip coupling or hose cuff 90 long sweep or two 45 elbows Pitch Support bracket Vapor hose aT tubing or pipe Secure and seal pipe thread i 6 152 escutcheon plate DN20 Ad Adapter Pitch header 34 DN20 copper in 5 127 mm toward drain Ul 1 8 ft 1 1 25 mm air gap Note Pitch vapor hose tubing or Open drain required pipe toward Rapid s
33. duct or air handler wall L brackets that are greater than 50 1270 mm in length have an additional hole in the center of the L bracket Important Before marking and drilling holes in the duct or air handler refer to ALL pitch requirements for the Rapid sorb assembly you received see the table on Page 30 The size quantity and location of penetrations are determined by the specific dimensions and configuration of the Rapid sorb assembly you received Note The hardware for mounting the L bracket to the duct or air handler wall and the hardware for the header support bracket is not provided The Rapid sorb instructions that follow are for the most typical Rapid sorb installations installed in a duct horizontal airflow with Rapid sorb header either inside or outside the duct See the Dri calc Installation Guides library or contact your representative distributor or DRI STEEM for installation instructions for air handler or vertical airflow applications IMPORTANT Failure to follow the recommendations in this section can result in excessive back pressures on the humidifier This will result in unacceptable humidification system performance such as water siphoning from the steam cylinder blown water seals erratic water level control and spitting condensate from the dispersion tube s Table 29 1 Rapid sorb dispersion tube capacities Tube capacity Tube diameter Ibs hr kg h inches DN 35 lt 16 1 4
34. for reassembly 4 Remove the hose clamp and hose from the drain valve body Take the drain valve assembly to a sink for disassembly and cleaning 5 Remove the snap fit black cap nut and washers from the coil assembly Slide coil off the actuator 6 Loosen the actuator with a wrench and unscrew from the plastic valve body 7 Clean the exposed plunger spring actuator and plastic drain valve body with clean water 8 Reassemble Tighten actuator 1 8 turn past being hand tight 9 Clean out the end of the hose Reconnect it to the drain valve body with the hose clamp 10 Fit mounting screws with washers through the drain cup plate 11 Push the ground wire terminal green yellow onto the center tab Push the two female terminals back onto the two opposing tabs on the coil 60 1 Drain valve assembly Drain valve body Plunger Spring oi Spring washer Actuator Ps Flat washer Nut OM 7386 Page 60 DRI STEEM XT Series Electrode Steam Humidifier Installation Operation and Maintenance Manual Troubleshooting 1 Review possible causes and recommended actions If you have a problem with your XT Series Humidifier review the troubleshooting guide on the following pages for possible causes and recommended actions for typical problems If you have a problem with an Ultra sorb humidifier refer to the Ultra sorb manual 2 If you re still having problems call us
35. must be minimum 74 I D DN20 and rated for 212 F 100 minimum continuous operating temperature Condensate drain line must be piped as shown in the figures on the previous pages Provide a 6 152 mm drop prior to a 5 127 mm water seal to e Ensure drainage of condensate from the header Keep steam from blowing out of the drain line After the water seal run the drain line to an open drain with a 1 25 mm vertical air gap Cut the drain line at a 45 angle on the end above the drain to permit a direct stream of water into the drain pipe while maintaining a 1 25 mm air gap Locate air gap only in spaces with adequate temperature and air movement to absorb flash steam or condensing on nearby surfaces may occur All drain lines must be installed and sized according to governing codes Figure 35 1 Ultra sorb with the High efficiency Tube option High efficiency Tube option Dispersion assemblies with the High efficiency Tube option are designed to produce significantly less dispersion generated condensate and airstream heat gain which reduces wasted energy by up to 8596 These improvements are accomplished by reducing the thermal conductivity of the tubes with 1 8 of polyvinylidene fluoride PVDF insulating material on the outside of the tubes These assemblies require careful unpacking installation and handling For more information about Ultra sorb dispersion please read our U
36. of capacity and efficiency insulate tubing and piping t Developed length equals measured length plus 50 of measured length to account for pipe fittings If maximum developed length is more than 20 6 m a fill cup extension kit is required tt Requires flange connection ttt When using vapor hose use DRI STEEM vapor hose for best results Field supplied hose may have shorter life and may cause foaming in the evaporating chamber resulting in condensate discharge at the dispersion assembly Do not use vapor hose for outdoor applications Page 22 DRI STEEM XT Series Electrode Steam Humidifier Installation Operation and Maintenance Manual Dispersion Interconnecting piping requirements continued Figure 23 1 Piping from steam cylinders to ducted dispersion assembly Pitch 2 ft 15 min To dispersion assembly Worm drive hose Stainless steel Y connector A stainless steel Y connector two white braided hoses and four hose clamps ship with each XT 100 with duct dispersion Stainless steel tube connector kit To dispersion assembly Stainless steel Worm drive Y connector hose clamp White braided hose Bolt hose clamp XT 200 Humidifier Note Two stainless steel Y connectors and one stainless steel tube connector ship with each XT 200 Humidifier clamp Worm drive hose clamp Stainless steel Bolt hose adaptor damp B
37. on next page DRI STEEM XT Series Electrode Steam Humidifier Installation Operation and Maintenance Manual Page 33 Dispersion Rapid sorb continued Assembly and installation instructions for a Rapid sorb installed with header inside the duct continued Rotate the slip coupling as you push it on to the tubing The O rings are lubricated at the factory If additional lubrication is necessary DO NOT use a petroleum based lubricant 5 Allow the dispersion tubes to rest against the bottom of the duct 6 Position the flange of the L bracket so it is upstream of the tubes when the assembly is rotated into position Fasten the L bracket to the end of the dispersion tubes with the provided bolt lock washer and flat washer 7 Rotate the assembly up until the L bracket aligns with the mounting holes in the duct or air handler 1 DNA0 dispersion tubes The header pitch is duplicated in the L bracket The dispersion tube and slip coupling must be fully engaged on to the header stub for the O rings to provide a seal The high end of the L bracket be fastened tight to the duct or air handler On the low end of the L bracket the fastener must be long enough to compensate for the pitch and a nut should be provided and secured on both sides of the L bracket and the duct or air handler for stability 2 DN50 dispersion tubes Fasten the bracket to the top of the duct or air handler and us
38. water pressure must be between 25 psi and 80 psi 175 kPa and 550 kPa 15 11112 Steam vapor hose may also use tubing or lengths Tubing or pipe must be grounded Adapter 0320 metallic drain piping If 4 2 from rising into the humidifier piping is over 10 3 m increase pipe to 1 4 DN32 gt LK Install plumb 1 25 mm air gap required f p wd 22 Spill funnel Plumb to floor drain p Refer to governing codes for drain pipe size and maximum discharge water temperature Offset humidifier from spill funnel to prevent flash steam Shock arrester P Hose and clamps recommended D to reduce water 2 T NR hammer by installer p Inlet strainer 3 8 DN10 O D copper compression fitting on fill valve E by installer Supply valve by installer OM 7362 Supply water quality WARNING Drain piping surface may be hot Touching or contact with hot pipe may cause severe personal injury XT Series humidifiers use normal tap water or softened water to generate humidification steam Water conductivity must be within the range of 125 to 1250 which in many cases is roughly equivalent to 3 4 to 36 3 grains gallon Demineralized water cannot be used because it is not conductive Do not use heated supply water because unheated supply water is required for drain water tempering Pag
39. 0 Rapid sorb header capacities Header capacity Header diameter Ibs hr kg h inches DN 250 113 2 50 DRI STEEM XT Series Electrode Steam Humidifier Installation Operation and Maintenance Manual Page 29 Dispersion Rapid sorb continued Rapid sorb pitch requirements When installing Rapid sorb with the header outside a horizontal airflow duct consider the following pitch issues For 1 040 dispersion tubes use a fastener of sufficient length to accommodate the 1 8 ft 196 pitch requirements toward the 4 pipe thread DN20 header drain fitting For 2 DN50 dispersion tubes the bracket can be mounted flush to the ductwork The 1 8 ft 196 pitch typically can be accomplished in the length of the hose cuffs used to connect the tubes to the header See the table below and the drawings on the following pages for pitch requirements Table 30 1 Pitch of interconnecting piping dispersion tubes and headers for Rapid sorb evaporative dispersion units Pitch of Pitch of Pitch of Airflow i 224 interconnecting piping interconnecting piping interconnecting piping dispersion tubes header 2 Ift 15 Vapor hose 1 DN40 toward 1 8 ft 1 Rapid sorb Vertically toward Horizontal umb d 1 8 ft 1 plum m ensate Tubing or pipe 1 DN40 toward m Rapid sorb 2 ft 15 Vapor hos
40. 011 019 Steam cylinder XT 75 150 480V 3 ph 530011 020 Steam cylinder XT 75 150 600V 3 ph 530011 021 Steam cylinder XT 100 200 480V 3 ph 530011 022 Steam cylinder XT 100 200 600V 3 ph 530011 023 XT 150 and XT 200 Models require 2 steam cylinders per unit 21 Strainer steam cylinder 530001 047 Drain 22 Drain valve assembly 24 V with grounding kit 192060 25 drain valve body 530001 044 26 Drain cup with screws 530001 045 27 Drain cup plate 530001 046 More on next page gt Grounding kit not shown in drawing DRI STEEM XT Series Electrode Steam Humidifier Installation Operation and Maintenance Manual Page 67 Replacement parts cont Table 68 1 XT Series replacement parts No Description Part no Inlet 28 Fill adaptor assy 3 8 180994 038 29 Fill adaptor 3 8 O D tubing 530001 002 30 Washer 5 8 hose 530001 003 31 Compression nut 3 8 530001 006 32 Compression sleeve 3 8 530001 008 33 Strainer inlet valve 530001 004 Valve inlet yellow XT 10 530001 011 Valve inlet green XT 20 except 20 208 240V 1 Ph 530001 012 Valve inlet red XT 20 208 240V 1 Ph XT 30 50 530001 013 Valve inlet white XT 75 100 150 200 530001 014 Fill cup with cap XT 10 20 except XT 20 208 240V 1 Ph 530001 021 35 Fill cup with cap XT 20 208 240V 1 Ph XT 30 50 530001 022 Fill cup with cap X
41. 3 3 4 4 1 3 140 1 2 12 0 3 7 48 1 5 47 1 4 14 0 43 150 150 68 0 3 3 1 0 3 1 0 9 9 6 2 9 3 8 1 2 3 5 1 1 10 7 3 3 4 4 1 3 140 1 2 12 0 3 7 4 8 1 5 4 7 1 4 14 0 43 200 200 90 7 3 0 0 9 3 1 0 9 9 6 2 9 3 8 1 2 3 5 1 1 10 7 3 3 4 4 1 3 140 1 2 12 0 3 7 48 15 47 1 4 14 0 43 Notes Rise Minimum non wetting height above the steam outlet of the XTSB Spread Minimum non wetting width from the steam outlet of the XTSB Throw Minimum non wetting horizontal distance from the steam outlet of the XTSB DRI STEEM XT Series Electrode Steam Humidifier Installation Operation and Maintenance Manual Page 37 38 1 XT steam blower dimensions XTSB 20 XTSB 50 Dimen sion inches mm inches mm A 14 63 372 17 44 443 B 8 38 213 14 38 365 C 8 38 213 11 56 294 D 3 00 76 2 84 72 E 4 00 102 7 13 181 F 5 88 149 Dispersion XT steam blowers continued Figure 38 1 XT steam blower dimensions Front view Side view Back view Lii o OM 7516 Mounting the XT steam blower The XT steam blower can be mounted directly on top of an XT Series humi
42. 30010 004 Contactor type 3RT1035 XT 20 208 240V 1 Ph 530010 024 9A Rectifier XT 20 208 240V 1 Ph 530010 025 10 Plug max water level sensor 530010 005 11 Plug electrode 530010 006 12 Fuse 6 3 A 530010 007 Terminal 4 mm2 XT 10 XT 20 480 600V 1 Ph XT 20 208 240 480 600V 3 Ph XT 30 600V 3 Ph 530010 010 i Terminal 6 mm2 XT 30 480V 3 Ph 530010 011 Terminal 10 mm2 XT 20 277V 1 Ph XT 30 208 240V 3 Ph XT 50 480 600V 3 Ph 75 150 530010 012 Terminal 16 mm2 XT 20 208 240V 1 Ph XT 50 208 240V 3 Ph XT 100 XT 200 530010 018 Ground terminal 4 mm2 XT 10 XT 20 480 600V 1 Ph XT 20 208 240 480 600V 3 Ph XT 30 600V 3 Ph 530010 013 Ground terminal 6 mm2 30 480V 3 Ph 530010 014 Ground terminal 10 mm2 XT 20 277V 1 Ph XT 30 208 240V 3 Ph XT 50 480 600V 3 Ph XT 75 XT 150 530010 015 Ground terminal 16 mm2 XT 20 208 240V 1 Ph XT 50 208 240V 3 Ph XT 100 XT 200 530010 019 15 Terminal safety and optional blower 530010 017 Transformer current sensing 208 240 277V units except XT 20 208 240V 1 Ph 530010 021 16 Transformer current sensing XT 20 208 240V 1 Ph 530010 023 Transformer current sensing 480 600V units 530010 022 17 Board supply 24V 530010 030 i Board processor 24V XT 10 20 30 50 75 100 530010 031 Board processor 24V XT 150 200 530010 034 More on next page gt Page 66 DRI STEEM XT Series Electrode Steam Humidifier Installation Operation and Maintenance Manual
43. 4 5 82d 144 5 89d Alddns 75531 AVW W3lSAS YVINOLYVd YNOA SYSSIGINNH YSENNN W WIXVA SMOHS 9NIMIM LONG aa3l3IGIWnH LX 3ldlb Iw 440 NO 19 AVLSIGINNH 01 0 5 TOYINOO and Maintenance Manual Page 17 lon ion Operati Installat ier DRI STEEM XT Series Electrode Steam Humi Wiring diagrams continued Figure 18 1 E 2 5 x 5 x 5 m d gt v 5 x x 5 cs 5 1 89d 1x 856 60 11 Casi SO ZZ L Alva a B gs 175511 3AVH WvuooNd 11 OL OL NOLInB 300 SS3Nd 0 NOLIVNIBWOO 1145 3lvAUOY OL LITAS wNH3lx3 3 H 103135 Ol NOLIN 13S SS3Nd 1 WBIJNOO Ol TNH OL X3ONI T0MINOO 193136 SS34d 55334 66 9 TUNA 135 SS3Nd SSIM ANIA 300 LWISIGINAH 9NUVThOOA N04 01 0 INANI IOMINOO TUNA 135 553
44. 4 SSON 6 ANIN 1798 CAAVIESIO 66706 NOLINNIBWOO 1 3lvALOY OL 193135 SS3ud wNH3DG INH 123136 OL NOLInS 4136 SS3 d 1 Ald Al T0EINOO 1 WBIJNOO OL ANH Ol NOLING 123135 IHL 55339 2 AYdSid 5 01 0 TONINOD 135 8534 9 ANIN 50 TWNOIS TOYLNOD Ol 3OIML NOLLAG OTAS 55309 NINYMOONd HOF NJBNnN 3000 4907 OL 5050235 r 50 42 OL SLOIG OML S3NO OL NOLING 135 853 4 00 42 OL ONY 193735 SS3d Z NvuoONd Wil 123135 OL NOLIn8 3dOW 553 4 i JONINOS IVISRIWA H ann ax 0 774 H a NO S3BIM BIN Sy asses 1 NEIN WSS 3HI 5 SHIGIAnH WvHSOsd NO TWNUGINI 6 onc WSS ING 3HI SIHON NOH HOLMS Lond 340 NO HOLMS 1200 ius d ININIM 7 gt 2 39VLT0A HOIH 4 WAH C3131dWOO WvHoONd 19810 OL X3ONI OL NOLINE 300W 55384
45. 408963 002 Transformer XTSB 20 600 to 120VAC 408963 003 Transformer XTSB 50 208 240 277 to 120VAC 408963 011 Transformer XTSB 50 480 to 120VAC 408963 012 Transformer XTSB 50 600 to 120VAC 408963 013 7 Door electrical box 400261 001 8 Fastener quarter turn dome head 700458 001 9 Washer quarter turn fastener 700458 002 10 Fastener clip in clip quarter turn 700458 003 DRI STEEM XT Series Electrode Steam Humidifier Installation Operation and Maintenance Manual Page 69 Expect quality from the industry leader For more than 40 years DRI STEEM has been leading the industry with creative and reliable humidification solutions Our focus on quality is evident in the construction of this humidifier which features a Two year Limited Warranty For more information www dristeem com sales dristeem com For the most recent production information visit our web site www dristeem com DRI STEEM Corporation An ISO 9001 2000 certified corporation U S Headquarters 14949 Technology Drive Eden Prairie MN 55344 800 328 4447 or 952 949 2415 952 229 3200 fax E mail sales dristeem com European office Marc Briers Grote Hellekensstraat 54 b B 3520 Zonhoven Belgium 3211823595 voice 3211817948 fax E mail marc briers dristeem com Continuous product improvement is a policy of DRI STEEM Corporation therefore product features and specifications are subject to change without notice DRI
46. 844 9 ONIN 50 WNOIS IOMINOO OL 9NIMmvHOONd NO NI M3EWDN 3002 201 Ol SONOOSS 50 72 OL SLISIG OML OL 135 OL X3ON ONY NOLL Wall ANIN 123135 OL NOLING 553 00 JOEINOS MISON 23136 LOTTAS 58384 6 Ss3ud 2 SNUVA WNI INAN IX WvHOONd 4 3 STWNINYAL BVO 119 Saul 9m 1X ano E 8 A8 IO41NO2 01 0 S 4 5 89d Xlddns m WON NYa Bis NN 40 su3H10 XVW OvAvZ 13 1 2 MN 0 A8 WNOILdO dv OvAvZ 35 1109330 L Ol MOH an ix Oi D 04 0 AV 135 JHL SS34d 195 ANH WvsooNd 11 OL OL NOLInH 300M 553 4 OL AVIS 8 WnH 1 OL OL NOLIn8 WalSAS YVINOILYVd YNOA SYSISIGINNH AO N38WnN WAWIXVN SMOHS 3Nnd390Hd ONINVYDONd 55359 510 94205 TUNO NOLIDH 135 55344 SUSOWNA 60762 WAN
47. E NUMBER IN FOR PROGRAMMING N O PRESS SELECT BUTTON TWICE TO ACTIVATE CONTROL SIGNAL CS MENU N C PRESS THE SET BUTTON UNTIL THE CONTROL SIGNAL TYPE YOU DESIRE APPEARS ON THE DISPLAY SIGNAL BY OTHERS 0 20 0 16 0 10 2 10 21 CONTROL INPUT BY OTHERS VDC 1 5 GND 7 PRESS THE SELECT BUTTON AND INDEX TO HU E TO CONFIRM EXTERNAL CONTROL TYPE IF HU INTERNAL PRESS SUPPLY PCB THE SET BUTTON TO SELECT HU E EXTERNAL 8 FOR DOUBLE UNITS PRESS SELECT BUTTON UNTIL 2 dbL 2 WIRE 18 GA SHIELD GND LUG E es Su DUC APPEARS TO CONTROL BOTH CYLINDERS IN PARALLEL PRESS SET ONCE FOR 1 dbL 9 PRESS MODE BUTTON TO INDEX TO DISPLAY 10 INPUT SELECTION COMPLETED CTRL CAB TERMINALS NOTE CHANGING CONTROL INPUT SIGNAL DUCT AIR FLOW SWITCH N O OPTIONAL REQUIRES SOFTWARE MODIFICATION ON OFF DUCT HIGH LIMIT SWITCH OPTIONAL SEE PAGES 51 52 FOR INSTRUCTIONS CONTROL INPUT FROM REMOTE SOURCE 1 AIR FLOW SWITCH 9 HIGH LIMIT CONTROL 4 20 OR 0 20 SIGNAL BY OTHERS W ON OFF HIGH LIMIT O IO PROGRAM THE INPUT SIGNAL FOR SIGNA TH ALARM RELAY 1 NORMAL PRESS THE MODE BUTTON TO SELECT MENU ITEM PROGRAM DEFAULT SETTING SE PRESS SELECT BUTTON AND INDEX TO 27 OO 24VAC 1 AMP MAX PRESS SET BUTTON TO INDEX THE LOWER TWO DIGITS TO 27 05 OPTIONAL BY OTHERS FA
48. EM for further advice Fill valve is stuck Check for control voltage across fill valve coil terminals 2 and 5 on control terminal strip Check if there is an obstruction that does not allow valve to seat properly Clean or replace valve as needed Drain valve is open Clean or replace drain valve if an obstruction in the valve does not allow complete closure Replace broken or weak return spring on drain valve Check for corrosion pitting on the drain valve plunger Consult DRI STEEM if present Fill valve cycles on and off frequently several times per minute Malfunctioning level control system e Check water conductivity Water conductivity must be at least 125 15 Add sodium bicarbonate through steam outlet on top of the steam cylinder to increase Start with tablet Consult DRI STEEM for further advice Drain valve not fully closed e f an obstruction does not allow drain valve to fully close clean valve Replace broken or weak return spring on drain valve Check for corrosion pitting on the drain valve plunger Consult DRI STEEM if present Unit does not perform autodrain sequence No power to automatic drain valve Verify drain valve electrical connections Check if 24 VAC is present at the internal controller board terminals 3 and 6 for drain valve Drain fault plugged drain valve or plugged drain pipe Check drain valve piping Defective automatic drain v
49. ERS PRESS THE SET BUTTON UNTIL CONTROL INPUT TYPE 1 420 FOR HUMIDITY AND HIGH LIMIT VAV TRANSMITTER 4 20 MA CONTROL MODE FAULT PRESS THE SELECT BUTTON AND INDEX TO HU E PRESS THE SET BUTTON TO SELECT FOR INTERNAL INPUT NORMAL N C CONTROL ALARM RELAY 2 FOR DOUBLE UNITS PRESS SELECT BUTTON UNTIL 2 dbL APPEARS DEFAULT SETTING E1 TO CONTROL BOTH CYLINDERS IN PARALLEL PRESS SET ONCE 24VAC 1 AMP MAX FOR 1 dbL OPTIONAL BY OTHERS 10 PRESS MODE BUTTON TO INDEX TO DISPLAY N O 11 INPUT SELECTION COMPLETED ADJUSTMENTS 21 VDC 2 PRESS MODE TO CALL THE MENU ADJUSTMENTS 2 PRESS SELECT TO CALL THE PARAMETER HU SP 4 20 MA HUMIDITY 53 PRESS SET TO ADJUST THE CONTROL SET TRANSMITTER INPUT POINT 10 100 RH 4 PRESS SELECT TO CALL THE HU L HIGH LIMIT GND SET POINT ADJUSTMENT 5 PRESS SET TO ADJUST THE VAV HUMIDITY CONTROL SET POINT 10 100 RH 6 LEAVE THE MENU ADJUSTMENTS PRESSING THE BUTTON MODE TWICE FOR DISPLAY MODE 4 20 MA HIGH LIMIT TRANSMITTER DUCT MOUNT GND 4700 RESISTOR 1 2 WATT XT PANEL 2 WIRE 18 GA SHIELD GND LUG lt OHI Guo Luc CTRL CAB TERMINALS DUCT AIR FLOW SWITCH NOTE 9 9 DUCT AIR FLOW SWITCH N O OPTIONAL CHANGING CONTROL INPUT SIGNAL REQUIRES SOFTWARE MODIFICATION SEE PAGES 51 52 FOR INSTRUCTIONS Page 14 DRI STEEM
50. G G OM 7419 Bottom view Drain Electrical knockouts Water fill line connection Table 3 1 Dimensions by model number XT 10 Callout pews A 14 5 368 17 4 442 18 9 480 38 9 988 B 22 9 581 24 9 632 26 9 683 26 9 683 8 4 213 11 7 297 14 3 363 14 3 363 10 0 254 12 8 325 14 4 366 14 4 366 5 5 140 6 9 175 L3 185 7 3 185 F 4 0 102 5 8 147 6 8 173 6 8 173 G 5 5 140 6 9 175 7 3 185 7 3 185 H 4 0 102 5 8 147 6 8 173 6 8 173 J 4 0 102 15 191 8 8 224 8 8 224 K 32 9 836 34 9 886 36 9 937 36 9 937 Note Dimension K includes 10 254 mm for a fill cup extension A fill cup extension is a required component when the humidifier is connected to a Rapid sorb or Ultra sorb dispersion assembly or when the maximum developed length of piping hose from humidifier to dispersion assembly blower is more than 20 6 m XT 20 models using 208V single phase power or 240V single phase power have dimensions equal to Models XT 30 and XT 50 DRI STEEM XT Series Electrode Steam Humidifier Installation Operation and Maintenance Manual Page Import ant Install humidifier only in locations that meet the following temperature and relative humidity RH requirements Maximum ambient temperature 104 F 40 Minimum ambient temperature 41 F 5 C Maximum ambient humidity 80 RH non condens
51. H CYLINDERS IN PARALLEL PRESS SET ONCE 6703 FOR 1 dbL ROOM PWR o 21 VDC 9 PRESS MODE BUTTON TO INDEX TO DISPLAY HUMIDISTAT 0 10 VOLT 10 INPUT SELECTION COMPLETED Ore HUMIDISTAT CONTROL GND o GND A SUPPLY PCB XT PANEL 3 WIRE 18 GA SHIELD GND LUG GND LUG CTRL CAB TERMINALS NOTE CHANGING CONTROL INPUT SIGNAL ES DUCT AIR FLOW SWITCH N O OPTIONAL REQUIRES SOFTWARE MODIFICATION HIGH LIMIT ON OFF DUCT HIGH LIMIT SWITCH OPTIONAL SEE PAGES 51 52 FOR INSTRUCTIONS DRI STEEM XT Series Electrode Steam Humidifier Installation Operation and Maintenance Manual Page 15 Wiring diagrams continued Figure 16 1 Control wiring diagrams for signal by others external connections to XT Series humidifiers SIGNAL BY OTHERS EXTERNAL CONNECTIONS XT DIAGRAM CONTROL VOLT D C SIGNAL BY OTHERS W ON OFF HIGH LIMIT ALARM RELAY 1 NORMAL Ae DEFAULT SETTING SE 24VAC 1 AMP MAX OPTIONAL BY OTHERS FAULT LOX Ne ALARM RELAY 2 E AL 7 DEFAULT SETTING E1 popes 24VAC 1 AMP MAX y OPTIONAL BY OTHERS FAULT HOW PROGRAM THE INPUT SIGNAL FOR SIGNAL BY OTHERS N C PRESS THE MODE BUTTON TO SELECT MENU ITEM PROGRAM PRESS SELECT BUTTON AND INDEX TO 27 OO PRESS SET BUTTON TO INDEX THE LOWER TWO DIGITS TO 27 05 WAIT 4 SECONDS TO LOCK COD
52. I STEEM Limited Warranty for a limited number of months past the initial applicable warranty period and term provided in the first paragraph of this Limited Warranty All the terms and conditions of the Limited Warranty during the initial applicable warranty period and term shall apply during any extended term An extended warranty term of an additional twelve 12 months or twenty four 24 months of coverage may be purchased The extended warranty term may be purchased until eighteen 18 months after the product is shipped after which time no extended warranties are available Any extension of the Limited Warranty under this program must be in writing signed by DRI STEEM and paid for in full by the purchaser 93 Printed on 30 recycled paper
53. JOSINOO MISIOAN ONION 135 SS38d 44 34A TOSINOO INNH3DGI 138 SS3Md CWNNSINI 4 4 TONINOO WBIINOO OL Ol NOLINE 123135 JHL 55349 WBIINOO OL OL ONY NOLINE 124135 IHL 55349 GOW OMINOO lvISIQIAnH ONIVINAON 304 AvidSid 3Hl NO Suvdddv 1 0 INN TONINOO TUNN NOLInH 195 553848 9 90 01 0 INANI TOXINOD TNN 135 IHL 55344 9 TIN 50 NIN 52 TWNOIS 3lvALLOY OL NOLLNG 193135 SS3Md 6 TWNOIS TOMINOD OL NOLIN 193135 5530 ONIWAVHOONd NI YIANNN 3002 201 OL SON v ONIWAvHOONd NO NI M3EAWDN 3000 9201 OL SONOO3S V 9 S0 Z Ol SUSIA OML YAMOT OL 55344 SO 72 Ol SUSIA OML N3MO X3ONI OL 135 55354 00 OL X3GNI NOLNA 123136 553 2 00 2 OL X3ONI NOLIN 123136 5534 Z WAL NNJN 103135 OL 553 1 vaoONd nN3A 123135 OL NOUNS Ssaud OHINOS IVISKIINTTH ONION ZOEINOS ONYON 803 TWNOS Ina SAL WaLSIGINNA IX MYESORd OL 30a TWNOS nen N3LIQIATH IX WvEDOHd OL MOH ano ax CD NO 53 6 5 4 SWNIWH3L 119 1X NO S3BIM TIWNHBINI
54. LS Nore ON OFF CONTROL HUMIDISTAT CHANGING CONTROL INPUT SIGNAL AIR FLOW SWITCH HIGH LIMIT DUCT AIR FLOW SWITCH N 0 OPTIONAL REQUIRES SOFTWARE MODIFICATION SEE PAGES 51 52 FOR INSTRUCTIONS 9 2 ON OFF DUCT HIGH LIMIT SWITCH OPTIONAL CONTROL MODULATING 0 10 VDC DUCT HUMIDISTAT HOW R HE INPUT AL FOR ALARM RELAY 1 N C PRESS THE MODE BUTTON TO SELECT MENU ITEM PROGRAM NORMAL DEFAULT SETTING SE 1 2 PRESS SELECT BUTTON AND INDEX TO 27 00 5 PRESS SET BUTTON TO INDEX THE LOWER TWO DIGITS TO 27 05 24VAC 1 AMP MAX c OPTIONAL BY OTHERS FAULT c 4 WAIT 4 SECONDS TO LOCK CODE NUMBER IN FOR PROGRAMMING 5 PRESS SELECT BUTTON TWICE TO ACTIVATE CONTROL SIGNAL ALARM RELAY 2 NORMAL O DEFAULT SETTING E1 N O CS MENU 3 24VAC 1 AMP MAX 6 PRESS THE SET BUTTON UNTIL CONTROL INPUT 0 10 N C VDC FOR MODULATING HUMIDISTAT CONTROL MODE OPTIONAL BY OTHERS FAULT 05 401 2 7 PRESS THE SELECT BUTTON AND INDEX TO HU E CONFIRM EXTERNAL CONTROL TYPE IF HU I INTERNAL PRESS THE DUCT 24V HUMIDISTAT SET BUTTON TO SELECT HU E EXTERNAL N O 8 FOR DOUBLE UNITS PRESS SELECT BUTTON UNTIL 2 dbL APPEARS TO CONTROL BOTH CYLINDERS IN PARALLEL PRESS SET ONCE 21 VDC FOR 1 dbL 9 PRESS MODE BUTTON TO INDEX TO DISPLAY 0 10 VOLT 10 INPUT SELECTION COMPLETED
55. SELECT BUTTON AND INDEX TO 27 00 24 1 MAX FAULT PRESS SET BUTTON TO INDEX THE LOWER TWO DIGITS TO 27 O5 OPTIONAL BY OTHERS WAIT 4 SECONDS LOCK CODE NUMBER IN FOR PROGRAMMING PRESS SELECT BUTTON TWICE TO ACTIVATE CONTROL SIGNAL N C CS MENU ALARM RELAY 2 NORMAL PRESS THE SET BUTTON UNTIL THE CONTROL SIGNAL TYPE DEFAULT SETTING E1 YOU DESIRE APPEARS ON THE DISPLAY 24VAC 1 AMP MAX OPTIONAL BY OTHERS FAULT 18 7 CONTROL INPUT 0 135 INPUT BY OTHERS OHMS SIGNAL BY 1350 OTHERS 2 VOLTS D C 7 PRESS THE SELECT BUTTON AND INDEX TO HU E TO INCREASE CONFIRM EXTERNAL CONTROL TYPE IF INTERNAL DEMAND GND PRESS THE SET BUTTON TO SELECT HU E EXTERNAL 8 FOR DOUBLE UNITS PRESS SELECT BUTTON UNTIL 2 dbL SUPPLY PC APPEARS TO CONTROL BOTH CYLINDERS IN PARALLEL XT PANEL PRESS SET ONCE FOR 1 dbL 5 GND LUG 9 PRESS MODE BUTTON TO INDEX TO DISPLAY 10 INPUT SELECTION COMPLETED 3 18 GA SHIELD GND LUG L CTRL CAB TERMINALS NOTE H CHANGING CONTROL INPUT SIGNAL DUCT AIR FLOW SWITCH N O OPTIONAL REQUIRES SOFTWARE MODIFICATION ON OFF DUCT HIGH LIMIT SWITCH OPTIONAL SEE PAGES 51 52 FOR INSTRUCTIONS AIR FLOW SWITCH HIGH LIMIT Page 16 DRI STEEM XT Series Electrode Steam Humidifier Inst
56. T 75 100 150 200 530001 025 Fill kit high pressure XT 10 20 except XT 20 208 240V 1 Ph 530001 031 36 Fill kit high pressure XT 20 208 240V 1 Ph XT 30 50 530001 032 Fill kit high pressure XT 75 100 150 200 530001 033 Exterior 37 Door fastener 530001 054 Door assy cylinder XT 10 20 except XT 20 208 240V 1 Ph 530012 001 38 Door assy cylinder XT 20 208 240V 1 Ph 30 50 530012 002 Door assy cylinder XT 75 100 150 200 530012 006 Door assy electrical XT 10 20 30 50 75 100 530012 005 Door assy electrical XT 150 200 530012 007 Page 68 DRI STEEM XT Series Electrode Steam Humidifier Installation Operation and Maintenance Manual Replacement parts cont Figure 69 1 XT steam blower replacement parts XTSB 50 OM 7531 Figure 69 2 XT steam blower replacement parts XTSB 20 ASSSSSSSNSNNNN OM 7532 Table 69 1 XT steam blower replacement parts No Description Part no Cover front blower box XTSB 20 400091 002 Cover front blower box XTSB 50 400091 001 Fan XTSB 20 407109 001 Fan XTSB 50 306376 Weld dispersion box XTSB 20 169920 001 Weld dispersion box XTSB 50 169920 002 4 Fuse holder 2 pole 406750 006 5 Fuse time delay 6 10 Amp 406740 012 Transformer XTSB 20 208 240 277 to 120VAC 408963 001 Transformer XTSB 20 480 to 120VAC
57. To dispersion assembly Tubing or pipe drip tee by installer 6 150 mm minimum T DRI STEEM part numbers for 304 stainless steel in line tees T 1 diameter DN40 No 162710 DN20 II 8 200 mm minimum j q i U 1 25 mm air gap T OM 7364 Open drain required See first note below Notes e Locate air gap only in spaces with adequate temperature and air movement to absorb flash steam otherwise condensation may form on nearby surfaces Refer to governing codes for drain pipe size and maximum discharge water temperature e Support vapor hose so there are no sags or low spots e Dashed lines indicate provided by installer Page 24 DRI STEEM XT Series Electrode Steam Humidifier Installation Operation and Maintenance Manual Dispersion Single Tube and Multiple Tube Installation See the following pages for detailed drawings and notes for installing Single Tube and Multiple Tube dispersion assemblies See the hose kit sizing table on this page for Single Tube applications Dispersion tube mounting Orient dispersion tube s so that tubelets steam orifices point up See the table on the next page for dispersion tube pitch requirements When mounting the humidifier above the level of the dispersion tube s see the drip tee installation drawing on Page 24 Condensate drain piping e Minimum diameter ID for draining from or
58. ULT WAIT 4 SECONDS TO LOCK CODE NUMBER IN FOR PROGRAMMING PRESS SELECT BUTTON TWICE TO ACTIVATE CONTROL SIGNAL ALARM RELAY 2 CS MENU PRESS THE SET BUTTON UNTIL THE CONTROL SIGNAL TYPE NORMAL 7 DEFAULT SETTING E1 24VAC 1 AMP MAX YOU DESIRE APPEARS ON THE DISPLAY OPTIONAL BY OTHERS FAULT eo N C Oi GS N O N C SIGNAL BY OTHER MA 1 020 0 20 6 1 420 4 20 oO MM 7 PRESS THE SELECT BUTTON AND INDEX TO HU E TO CONFIRM EXTERNAL CONTROL TYPE IF INTERNAL PRESS THE SET BUTTON TO SELECT HU E EXTERNAL 8 FOR DOUBLE UNITS PRESS SELECT BUTTON UNTIL 2 dbL 4 SUPPLY APPEARS TO CONTROL BOTH CYLINDERS IN PARALLEL 2 WIRE 18 GA SHIELD CND LUG S M ES 9 PRESS MODE BUTTON TO INDEX TO DISPLAY 10 INPUT SELECTION COMPLETED CONTROL INPUT FROM REMOTE SOURCE 1 CTRL CAB TERMINALS NOTE AIR FLOW SWITCH T CHANGING CONTROL INPUT SIGNAL uigi UM DUCT AIR FLOW SWITCH N O OPTIONAL REQUIRES SOFTWARE MODIFICATION o ON OFF DUCT HIGH LIMIT SWITCH OPTIONAL SEE PAGES 51 52 FOR INSTRUCTIONS CONTROL 0 135 OHM SIGNAL BY OTHERS W ON OFF HIGH LIMIT 6 1 N C TO PR THE INP F TH ALARM RELAY 1 NORMAL PRESS THE MODE BUTTON TO SELECT MENU ITEM PROGRAM DEFAULT SETTING SE PRESS
59. XT 20 models using 208V single phase power or 240V single phase power require one XTSB 50 steam blower Page 36 DRI STEEM XT Series Electrode Steam Humidifier Installation Operation and Maintenance Manual Dispersion XT steam blowers continued As steam is discharged from the XT steam blower XTSB it quickly Figure 37 1 cools and turns to a visible fog that is lighter than air As this fog is XT steam blower rise spread throw Air intake grille carried away from the XTSB by the airstream it tends to rise toward the ceiling If this fog contacts solid surfaces columns beams ceiling pipes etc before it disappears it can collect and drip as water The greater the space relative humidity the more the fog will rise spread and throw The table below lists the maximum rise spread and throw non wetting distances for XT Series humidifiers with an XTSB at 30 40 50 and 60 RH in the space Surfaces cooler than ambient temperature or objects located within this minimum dimension can cause condensation and dripping To avoid steam impingement on surrounding areas observe the minimum non wetting distances in the table below OM 7515 The XTSB 20 contains an 106 cfm 3 0 m min blower 115V single phase 50 60 Hz and the XTSB 50 contains a 550 cfm 15 6 m min blower 115V single phase 50 60 Hz field wired to the XT Series humidifier blower terminals A wiring diagram of the XTSB
60. XT Series Electrode Steam Humidifier Installation Operation ESTEEM and Maintenance Manual umidification experts 4 gt 5 ATTENTION INSTALLER Read this manual before installing humidifier Leave manual with product owner DRI STEEM technical support 800 328 4447 Safety precautions WARNING This product must be installed by qualified HVAC and electrical contractors and in compliance with local state and federal codes Improper installation may cause property damage severe personal injury or death as a result of electric shock burns and or fire Page DRI STEEM XT Series Electrode Steam Humidifier Installation Operation and Maintenance Manual Table of contents Installation Specifications 0 ves eso E PEE EEUU Y RE SENS 2 DIMENSIONS i eei 3 Choosing a 4 Mounting the 5 Fill cup extension 7 Supply water and drain 8 Field wiring ser ee rere 11 Humidistat and transmitter 13 Wiring diagrams a US 14 IDISPELSION e 25224864 ERE 02042 20 General 5 20 Selectin
61. YVINOILYVd YNOA SH3ldIdINnH 30 YIAWNN WRWIXV SMOHS 300 ONINVYDONd NOLLVNIEWOO 5 OL JONO NOLIn8 103135 55338 8 WAH O3L31dWOO 11 OL OL NOLInS IQON SS3sd OL Q3iwldSIQ 2708 TNT NOLINE 135 55384 noi QO3iwldslQ 66 08 TINN NOLLNE 135 5538 SESSA 5 ANEW CWNN3DG 103135 OL NOLIN NOLIVNIBWOO 1145 Ol JONO NOLIN LONAS 553 8 WnH G3ITIdWOO he WAVTASIG OL OL NOLINE 300 5338 01 TINN NOLIN 135 SS3d SHSUIGIWTH G3AVIdSIO 6v SZ Nn 135 55339 Seago 338HI 6606 TINA 135 553 4 OMT ANIN 1195 103135 OL NONE 4136 853 CWNNSIND 4 4 WAIANOD OL FH OL X3ONI ONY NOLLDH 124135 IHL SS34d 4 AWIdSIG 3Hl NO SHvi3ddv TOMINOO 135 IHL SS3Nd ANIA 52 NOS JOMINOO SLVAILOY OL 3OMML NOLIRB LITAS NIAWVHOONd NI M38ADN 3002 4907 01 50 0235 01 SO 42 OL SLIOIG OML YAMOT XANI Ol NOLNE 135 SS3d O0 OL XAGNI ONY 103135 553 Wil NNJN 193135 OL SS3Md 1
62. allation Operation and Maintenance Manual Wiring diagrams continued Figure 17 1 ES E 3 2 E amp 3 2 E lt E x c gt lt ua z x 22 5 3 01 894 1x 60 11 31 0 0351 3 50 1 31vQ WNISIEO G3I31dWOO 11 01 OL NOLING 300 5531 3AVH AVN WALSAS NvinolbNvd ANOA SYISIGINNH 30 H38WnN WNWIXVW SMOHS 0300 ONINVYDONd WOH d31319WOO 11 AY dS OL OL NONE GOW 55344 OL ssaud OL 66 lt TINN 135 55359 SUTTON 9101 6 510 P2 0S TUNA NOLInB 135 SS3d SSSA Snoi 135 SS34d WNH3IND lOMINOO Ivi 01 0 INANI TOYLNOD TIINA NOLLAS WNOIS JONINOO OL 32IML 123135 ONIAWvEOONd NI M38AnN 3002 X201 OL SQNOO3S 50 LC OL SLIOIQ OML OL NOLI B 135 853 00 2 OL X3QN 193735 55359 Wil NANIA 123135 OL NOLInS 3dON 55344 JONINOS MSANE GAVIdSIC 6608 TNN NOLINE 135 55359 SSON SERI 6 ANIN 1795 NOLINNIBWOO 1145 31vALOY OL
63. alve f voltage is present at valve and it still does not open replace valve Unit does not perform end of season drain Input signal always has a demand Reduce demand signal Drain valve Verify drain valve electrical connections Verify drain valve is wired correctly to control board Check 24 VAC across valve coil during test cycle terminals 3 and 6 on control terminal strip More on the next page DRI STEEM XT Series Electrode Steam Humidifier Installation Operation and Maintenance Manual Page 63 Troubleshooting continued Table 64 1 Problem possible cause action Action Problem Humidity below desired level Possible cause No humidity demand signal from humidistat Low or no signal strength from humidistat Check for proper wiring No demand signal by others Unit is operating but fails to meet required humidity output If water is siphoning from the steam cylinder to the overflow drain check if there is excessive internal steam pressure determine the cause of the high pressure e g high duct static pressure undersized orifices in dispersion tube or crushed vapor hose and repair as required If drain valve does not close fully determine the cause and clean repair or replace as needed If fill valve is stuck open repair or replace Recalibrate if controls are out of calibration Replace leaking vapor hose Unit is undersized replace wit
64. an the steam outlet If the humidifier must be located above the dispersion assembly use the recommend installation as shown on Page 24 For Single Tube applications see the hose kit sizing chart Page 25 To avoid cracking the steam cylinder outlet use the bolt hose clamp when attaching white braided hose to the steam cylinder see Figure 21 1 Use the worm drive hose clamp for clamping white braided hose to the stainless steel adapter Connecting humidifier to dispersion assembly with tubing or pipe See the table on Page 26 for interconnecting tubing and pipe pitch requirements for single tube and multiple tube applications See the table on Page 30 for interconnecting tubing and pipe pitch requirements for Rapid sorb applications The steam outlet on the humidifier is sized to the output of the humidifier DO NOT use interconnecting tubing or pipe with an inside diameter ID smaller than 1 DN40 REDUCING THE INSIDE DIAMETER OF THE INTERCONNECTING PIPING WILL RESULT IN THE INTERNAL HUMIDIFIER SYSTEM PRESSURE EXCEEDING THE PARAMETERS FOR ACCEPTABLE PERFORMANCE e Hose cuff kits are available from DRI STEEM to connect tubing or pipe to the stainless steel adapter and the dispersion assembly 90 elbows are not recommended use two 45 elbows 1 0 3 m apart Thin wall tubing heats up faster and causes less start up loss than heavy wall pipe More on the next page Figure 21 1 Steam
65. and Multiple Tube installation instructions pages 25 28 Rapid sorb installation instructions pages 29 35 XT steam blowers pages 36 43 On our web site The following documents can be viewed printed or ordered from our web site www dristeem com e Catalogs which include dispersion nonwetting distance graphs XT Series Humidifier Ultra sorb Installation Operation and Maintenance manuals Ultra sorb DRI STEEM Design Guide includes steam loss tables and general humidification information On Dri calc Dri calc is our humidification system sizing and selection software and may be ordered at our web site www dristeem com Included in Dri calc A comprehensive library of installation guide documents including Rapid sorb installation instructions for vertical airflows Recommended dispersion placement within a duct or air handler Or call us at 800 328 4447 While obtaining documents from our web site or from Dri calc is the quickest way to review our literature we d also be happy to mail to you any literature you need Dispersion General instructions Selecting the dispersion assembly location For each dispersion device DRI STEEM documents distances required for absorption to occur If you have questions about absorption distances see the absorption tables in the XT Series catalog available for viewing printing or ordering at www dristeem com It is impo
66. b See Figures 8 1 and 9 1 for an installation overview When mounting on a wood stud wall studs 16 406 mm on center locate studs and attach spanner board so that each of the screws centers on a stud Mark hole locations per Table 5 1 and predrill 1 8 3 mm diameter pilot holes Secure cabinet to spanner board with screws provided When mounting on a metal stud wall locate the studs 16 406 mm on center and drill a 6 mm hole through the studs and wall Mount spanner board with 6 mm bolts through the wall studs and a backing plate on the backside of the wall and secure with a nut and washer If 16 406 mm on center studs are not available mount spanner boards on the wall spanning two studs If two horizontal boards are used locate one at the top of the cabinet for the mounting screws and the other board located 3 5 89 mm on center from the bottom of the cabinet For hollow block or poured concrete wall mounting mark mounting holes per Table 5 1 Drill pilot holes sized for the proper concrete anchors Secure cabinet in place using four screws Page 6 DRI STEEM XT Series Electrode Steam Humidifier Installation Operation and Maintenance Manual Fill cup extension installation Install fill cup extension kit if applicable Figure 7 1 A fill cup extension kit is required with all Rapid sorb and Fill cup extension installation Ultra sorb dispersion assemblies or when the maximum developed lengt
67. counter is reset change to 00 Program operating mode The Program operating mode provides access to values that require infrequent adjustment To make adjustments press the MODE button until the LED next to Program illuminates The LEDs near the SELECT and SET buttons flash indicating that they are selectable Press the SELECT button until the first two digits read 27 27 00 is displayed Press the SET button until the second two digits are 05 27 05 is displayed This code is used to access the program variables Wait four seconds Press the SELECT button repeatedly to scroll through the submenu Press the SET button to change the parameter The table on the next page shows the parameters available for adjustment DRI STEEM XT Series Electrode Steam Humidifier Installation Operation and Maintenance Manual Page 51 Table 52 1 Operating modes continued Program operating mode Mode Program Program variable lt Default gt Definition Default display Four dashed lines Default display Alternate display Range Increment Variable type Indicator OL CS Output limit setting as a percentage of maximum unit capacity Control signal on oF on off humidistat 0 20 0 20 volt 0 16 0 16 volt 0 10 0 10 volt 2 10 2 10 volt 1 5 1 5 volt 1 020 0 20 mA 1420 4 20mA Pot potentiometer 0 135 ohm 100 on oF 20 SP 20 100 10 SP 10 100 Variable
68. dicator 10 SP signal for turn on at 10 demand More on the next page gt DRI STEEM XT Series Electrode Steam Humidifier Installation Operation and Maintenance Manual Page 49 Operating modes continued Table 50 1 System data operating mode continued Program Default Alternate Mode variable Definition display display Range Increment Variable type System Drain plus Adds drain time in seconds to the q Data d PLU calculated drainage duration 0099 Indicator continued Loan mi dint Drain interval Time in minutes between automatic 20 10 20 1 Indicator drains Drain additional If the function is active a drain will occur at regular intervals independent of the d Add automatic drain oF on Indicator oF function not active on regular drainage active Drain humidistat If the function is active the automatic drain will only occur after the humidistat d HU switches off oF on Indicator oF function not active on function active Drain humidistat additional This function activates d H Ad the drain valve in seconds after the humidistat switches off Varies by 00 30 1 Indicator model Fill valve delay Function is active fill valve opening FL dL delayed in seconds if current is sensed in the 55 01 70 1 Indicator monitored electrode wire upon call for humidity Fill valve pulsed If function is active fill valve will open for 3 seconds and close fo
69. difier cabinet or remotely from the humidifier Installation must comply with governing codes Mount the steam blower so that it is plumb When mounting on a wood stud wall studs 16 406 mm on center locate studs and attach spanner board so that each of the screws centers on a stud Mark hole locations per Table 38 1 and predrill 1 8 3 mm diameter pilot holes Secure cabinet to spanner board with bolts provided When mounting on a metal stud wall locate the studs 16 406 mm on center and drill a 6 mm hole through the studs and wall Mount spanner board with 6 mm bolts through the wall studs and a backing plate on the backside of the wall and secure with a nut and washer If 16 406 mm on center studs are not available mount spanner boards on the wall spanning two studs If two horizontal boards are used locate one at the top of the cabinet for the mounting screws and the other board located 3 5 89 mm on center from the bottom of the cabinet For hollow block or poured concrete wall mounting mark holes per Table 38 1 Drill pilot holes sized for the supplied anchors Secure cabinet in place using the two supplied screws and anchors More on next page Page 38 DRI STEEM XT Series Electrode Steam Humidifier Installation Operation and Maintenance Manual Dispersion XT steam blowers continued To determine steam blower mounting clearance dimensions see Table 37 1 on Page 37 to determine
70. e 1 DN40 toward Rapid sorb 2 ft Vertical toward condensate 1 8 1 header drain Tubing or pipe 1 DN40 toward Rapid sorb Page 30 DRI STEEM XT Series Electrode Steam Humidifier Installation Operation and Maintenance Manual Dispersion Rapid sorb continued Figure 31 1 Position L bracket so that flange is upstream of dispersion tubes This drawing shows the L bracket positioned for airflow back to front Dispersion tube Rapid sorb installed in a horizontal airflow with header outside the duct Point tubelets steam orifices perpendicular to airflow 90 long sweep Slip coupling or hose cuff two 459 elbows Secure and seal escutcheon plates h Vapor hose tubing or pipe NH 1 8 ft 1 Adapter Note Pitch vapor hose tubing or pipe toward Rapid sorb 2 ft 15 when using vapor hose 1 8 Ift 1 when using tubing or pipe XT Series humidifier Support bracket EEUU Pitch header toward drain pipe thread 271 DN20 condensate drain 1 6 152 mm DN20 7 nt m 5 127 mm 1 25 mm air t Open drain required Locate air gap only in spaces with adequate temperature and air movement to absorb flash steam otherwise condensation may form on nearby surfaces Refer to governing codes for drain pipe size and maximum discharge water
71. e 8 DRI STEEM XT Series Electrode Steam Humidifier Installation Operation and Maintenance Manual Supply water and drain piping continued Figure 9 1 Field piping overview for Models 150 and 200 Steam vapor hose may also use tubing or pipe See Table 22 1 for maximum piping lengths Tubing or pipe must be grounded Adapter Install plumb 34 DN20 metallic drain piping up to second drain connection then increase pipe to 174 DN32 Fill valve with screen 1 25 mm air gap required Continuous copper water supply line water pressure must be between 25 psi and 80 psi 175 kPa 550 kPa Spill funnel Plumb to floor drain Refer to governing codes for drain pipe size and maximum discharge water temperature Offset humidifier from spill funnel to prevent flash steam from rising into the humidifier Shock arrester recommended 3 8 DN10 ODD Hose and clamps copper compression fitting to reduce water hammer by installer Inlet strainer on fill valve by installer Supply valve by installer OM 7362 Supply water piping Important Thoroughly flush the Use only copper for supply water piping do not use rubber or 2 diis E Hao plastic A strainer is recommended to be installed in the supply piping the humidifier Pipe piping before the fill valve The fill valve connection size is a 3 8 stagnant water in the water supp
72. e the hose cuffs to compensate for the pitch of the header Before securing the hose cuff in place with the hose clamps on the dispersion tube and the header stub verify that the dispersion tube orifices are directed perpendicular to the airflow 8 Verify that all fasteners are secure e L bracket to duct e Dispersion tubes to L bracket e Hose clamps on 2 DN50 tubes e Header support bracket fastener 9 Secure and seal the header escutcheon plate around the header Page 34 DRI STEEM XT Series Electrode Steam Humidifier Installation Operation and Maintenance Manual Dispersion Rapid sorb continued Steam supply connections to the Rapid sorb header l 2 Connect the steam supply interconnecting piping from the humidifier to the Rapid sorb The steam supply piping requires a minimum of 1 8 ft 196 pitch toward the header If multiple humidifiers are supplying one Rapid sorb a multiple steam supply connector is provided e Typically the multiple steam supply connector attaches to the Rapid sorb header supply end with hose cuff and clamps Route the necessary number of steam supplies from the humidifier steam cylinders to the steam supply connector e Position the steam supply connector to accept the steam supplies while maintaining the necessary pitch e Make sure the hose clamps on the steam supply connector and header are tight Condensate drain connections to the Rapid sorb header Piping
73. et code 91 All programmed parameters are reset to factory default settings While o SEt in o SEt press the SET button until 91 is displayed Program reset Factory default settings when o SEt is displayed again DRI STEEM XT Series Electrode Steam Humidifier Installation Operation and Maintenance Manual Page 53 Sequenced application humidifier start up Sequenced application Up to four XT Series humidifiers can be connected to operate in sequence In a sequenced application one control input signal is divided in a pre determined range of settings depending on how many humidifiers are connected in sequence These settings shown in Table 54 1 are entered while in Program mode by changing the variable SPLt see Table 52 1 See also the wiring diagrams on pages 17 19 for wiring sequenced humidifiers 54 1 Settings for sequencing multiple humidifiers Number of humidifiers Setting for Setting for Setting for Setting for connected humidifier No 1 humidifier No 2 humidifier No humidifier No 4 sequence 1 00 99 2 00 49 50 99 3 00 49 50 74 75 99 4 00 24 25 49 50 74 75 99 Sequence application example Two units are operated with one 0 10 VDC controller signal The first unit is set to 00 49 The second unit is set to 50 99 With these settings the first unit operates between 0 and 10096 of maximum capaci
74. fication system performance such as water siphoning from the steam cylinder blown water seals erratic water level control and spitting condensate from the dispersion tube s Page 20 DRI STEEM XT Series Electrode Steam Humidifier Installation Operation and Maintenance Manual Dispersion Interconnecting piping requirements Connecting humidifier to dispersion assembly with vapor hose e Always support vapor hose to prevent sags or low spots See the table on Page 26 for interconnecting tubing and pipe pitch requirements for single tube and multiple tube applications See the table on Page 30 for interconnecting tubing and pipe pitch requirements for Rapid sorb applications See the maximum steam carrying capacity table on the next page Use DRI STEEM vapor hose Other manufacturers of vapor hose may use unacceptable release agents or material mixes that can affect humidifier system performance adversely Using hose from alternative manufacturers increases the possibility of foaming in the steam cylinder Foaming can cause water level control inaccuracies and reduced steam production Do not use vapor hose in outdoor applications e Do not insulate vapor hose Insulation causes accelerated heat aging causing the vapor hose to become hard and susceptible to failure due to cracks The steam outlet on the humidifier is sized to the output of the humidifier DO NOT use hose with an inside diameter ID smaller th
75. fuse Check main line safety switch Verify terminal block electrical connections Verify contactor electrical connections Non existent control voltage Check for proper supply voltage per wiring diagram Verify proper wiring of multi tap transformer Verify terminal block electrical connections Check for control circuit voltage 24 VAC If voltage is not present check transformer circuit breaker Reset if needed by pressing On Off switch on display panel Check door interlock switch continuity H H terminals are open Check if auxiliary limit controls are not allowing system to operate e g high limit humidistat airflow proving switch etc Reset replace or calibrate as needed Jumper H H if auxiliary limit controls are not used Transmitter or humidistat faults Open shorted or incorrect wiring of transmitter or humidistat Signal is incorrect out of range or miswired Ground loop Control signal exceeded the range limits Correct signals are 4 to 20 mA 0 to 135 ohms or 0 to 10 VDC Check DC supply voltage terminals of RH transmitter VAV humidity transmitter or humidistat Terminal 13 21 VDC Terminal 23 GND If there is no output 4 to 20 mA replace transmitter Transmitter by others may not be compatible Consult DRI STEEM Isolation control board by others may not be compatible Consult DRI STEEM Recalibrate if there is a calibration error Normal range 4 to 20 mA 0 to 10096
76. g the dispersion assembly location 20 Interconnecting piping 5 21 Drip tee installation 24 Single Tube and Multiple 25 oe terr P Rd 29 35 XT steam 36 Operation Principle of operation 44 End of season 45 Extended shutdown 45 Safety MUNCHONS ee aer eberbrevebbbenb oda GARE XR Radon 45 Display panel 46 Operating modes RR 47 Sequenced 54 Humidifier start up 54 56 Maintenance Maintenance 58 Troubleshooting 05 55 er rr Rer 61 Replacement parts 65 Two year limited warranty Back cover DRI STEEM XT Series Electrode Steam Humidifier Installation Operation and Maintenance Manual Page 1 Installation Specifications Current draw amps e Maximum Maximum Shipping Model operating steam capacity weight x number kW Single phase Th
77. h water Possible cause No water supply to fill valve Action Verify that manual water supply valve is open and that pressure exists Check if water supply line strainer is plugged Clean strainer or replace Verify fill valve electrical connections Clean or replace fill valve strainer if plugged Unit control is not on Press On Off switch on display panel Verify transformer electrical connections Malfunctioning fill valve e Cycle fill valve while in Service mode If fill valve does not open Verify fill valve electrical connections Verify proper 24 VAC terminals 2 and 5 to fill valve If voltage is present and valve does not open replace valve Humidifier is in end of season drain mode Check for humidification demand signal at control board See control wiring diagrams for terminal check points Drain valve is open Clean or replace drain valve if an obstruction in the valve does not allow complete closure Replace broken or weak return spring on drain valve Check for corrosion pitting on the drain valve plunger Consult DRI STEEM if present Fill valve does not close Malfunctioning level control system Check that high water sensor electrical plug is fully engaged e Check water conductivity Water conductivity must be at least 125 15 Add sodium bicarbonate through steam outlet on top of steam cylinder to increase Start with 1 4 tablet Consult DRI STE
78. h a larger unit or add additional humidifier Steam cylinder not heating Verify that humidistat is calling for humidity Check for control voltage if limit controls airflow proving switch etc are not allowing unit to operate Check power fuse If open replace fuse with equal fuse Verify contactor and transformer electrical connections Check water conductivity Water conductivity must be at least 125 uS cm Add sodium bicarbonate through steam outlet on top of the steam cylinder to increase Start with 74 tablet Consult DRI STEEM for further advice Humidity control input type not the same as the operating mode Check the internal control board connections and the CS program variable in Program mode See Pages 52 53 for more information Excessive outside air volume Verify proper operation of fans and dampers Humidity above set point Improperly located humidistat Relocate using guidelines described on Page 13 Reduced airflow Check fans and dampers Malfunctioning controls Check for incorrect supply voltage Check for incorrect control signal Check for improper wiring hookup If humidity controller is out of calibration or malfunctioning repair or recalibrate Check if contactor shorted Repair or replace as needed Unit oversized Reduce output limit OL setting see Table 52 1 on page 52 High entering relative humidity Dehumidify Hunting humidity swings
79. h of piping hose from humidifier to dispersion assembly blower is more than 20 6 m 1 Remove hose clamps attached to fill cup extension bracket 2 Remove Phillips screw near large opening on top enclosure and retain for use in Step 4 3 Feed tubes through left rear opening on top of steam cylinder enclosure 4 Mount bracket with screw from Step 2 see Figure 7 1 5 Slip smaller hose clamp D18 from Step 1 over smaller diameter hose and slide open end of hose onto fill valve body connection Tighten hose clamp 6 Slip larger hose clamp D21 from Step 1 over larger diameter hose the one attached to cone bottom of fill cup and slide open end of hose onto drain valve body connection Tighten hose clamp 7 Place overflow tube with elbow into hole of drain cup plate Replace steam cylinder 1 Slide steam cylinder with warning label facing toward operator into drain valve body while making sure side tabs engage brackets 2 Reconnect electrode and high water sensor connectors to steam cylinder refer to unit wiring diagram located in electrical enclosure OM 7385 DRI STEEM XT Series Electrode Steam Humidifier Installation Operation and Maintenance Manual Page 7 Figure 8 1 Supply water and drain piping Field piping overview for models XT 10 XT 20 XT 30 XT 50 XT 75 and XT 100 pipe See Table 22 1 for maximum piping Fill valve with screen Continuous copper water supply line
80. he cylinder electrode pins Ensure that cylinder plugs fit snugly on the pins If cylinder plugs become loose obtain a new replacement plug from DRI STEEM See the replacement parts section of this manual 13 Connect the high water sensor wire Connect the yellow wire to the single pin surrounded by a plastic shoulder 14 Connect the steam hose 15 Start up the humidifier per the instructions on Page 54 16 Reset the steam cylinder operating hours counter LIFE to 00 To reset the LIFE counter go to the Adjustments menu using the MODE button and choose LIFE with the SELECT button Enter the code number 37 with the SET button and wait until the counter is reset to 00 Reset the steam cylinder operating hours counter every time a new cylinder is installed If the counter is not reset to 00 the steam cylinder operating hours will continue to accumulate Cleaning the drain valve Always check the drain valve for need to clean before installing a new steam cylinder Typically the drain valve port is as dirty as the used steam cylinder 1l Remove the steam cylinder as instructed on Page 58 DRI STEEM XT Series Electrode Steam Humidifier Installation Operation and Maintenance Manual Page 59 Maintenance procedures continued 2 Remove the three screws and washers securing the drain cup plate to the drain cup 3 Disconnect the three slip on terminals from the three tabs on the 24 VAC drain valve coil Note locations
81. ifier performance DRI STEEM recommends that you do not interchange duct and room humidity devices Room humidity devices are calibrated with zero or little airflow whereas duct humidity devices require air passing across them See the following recommendations and the locations in Figure 13 1 Ideal humidistat or humidity transmitter location Placement here ensures the best uniform mix of dry and moist air with stable temperature control B Acceptable but the room environment can affect controllability such as when the humidistat or transmitter is too close to air grilles registers or heat radiation from room lighting C Acceptable because this location provides a uniform mixture of dry and moist air If there is a time lag between humidity generation and sensing extend the sampling time D Acceptable behind a wall or partition for sampling the entire room if the sensor is near an air exhaust return outlet Typical humidistat or transmitter placement for sampling a critical area E Not acceptable because these locations may not represent actual overall conditions in the space Not acceptable Do not place humidistats or transmitters near windows door passageways or areas of stagnant airflow G Best sensing location for a high limit humidistat or humidity transmitter and airflow proving switch Figure 13 1 Recommended humidistat and transmitter locations 81012 i Outside air 2 4 m to 3 7 m
82. in line 1 Drain line must be routed as shown in the drawing to the left Provide a 7 178 mm water seal to e Ensure drainage of condensate from the steam blower e Keep steam from blowing out of the drain line NS After the water seal run the drain line to an open drain with a 1 25 mm vertical air gap Cut the drain line at a 45 degree angle on the end above the drain to permit a direct 4 stream of water into the drain pipe while maintaining a 1 25 mm air gap SSSSSSSSSSSNS 3 drain lines must be installed and sized according to governing codes hose 4 The XT steam blower is constructed with a pitch toward the Ed drain however the XT steam blower frame must be installed Water seal plumb and level for proper drainage Plastic tie 7 178 mm WARNING Make sure the XT steam blower is installed plumb If it is not installed plumb then standing water can accumulate in the steam blower which 1 25 mm air gap E e Spill funnel ae plumb to floor Cause bacteria and mold growth which can cause illness 2 arain e Affect unit performance and cause hot water at 212 F 100 C AL Open floor to discharge from the XT steam blower which can cause severe CO dan Refer personal injury OM 7523 lt 7 to governing codes for drain pipe size and maximum temperature requirements Page 42 DRI STEEM XT Series Electrode Steam Humidifier Installation Operation
83. ing Note To open the humidifier electrical access door rotate the screw counter clockwise 1 4 turn The door p ivots toward the front of the unit from the bottom of the door To close the electrical a ccess door position screw slot so that it is horizontal and then push the door shut Make sure sides of painted door go outside stainless steel enclosure To open the humidifier steam cylinder access door rotate the screw counter clockwise 1 4 turn lift door out of position and remove ground wire Replace door in reverse order of these instructions Figure 4 1 Recommended minimum clearances 16 4 Between units 400mm 4 100 p 914 mm Floor 16 400 mm OM 7359 Choosing a location Choosing a location for the humidifier When selecting a location for the humidifier consider the following Proximity to duct Install the humidifier near the air duct system where the dispersion assembly will be located The maximum recommended length for vapor hose connecting a single humidifier to a dispersion assembly is 10 3 m The maximum recommended developed length for tubing or pipe connecting a single humidifier to a dispersion assembly is 20 6 m See the dispersion section of this manual for more information about installing dispersion assemblies Elevation of the installed dispersi
84. is included with each unit On a call for humidity the humidifier begins producing steam and the contactor energizes the XTSB blower When the call for humidity is satisfied the contactor opens and the blower is de energized Table 37 1 XT steam blower minimum non wetting distances Maximum 30 RH 70 F 21 C 40 RH 70 F 21 C 50 RH 70 F 21 C 60 RH 70 F 21 C steam Model capacity Rise Spread Throw Rise Spread Throw Rise Spread Throw Rise Spread Throw lbshr kg h ft ft m ft m ft ft m ft m ft m ft m ft m ft m ft m XT 10 10 45 1 4 0 4 1 9 0 6 3 8 1 2 1 7 0 5 2 4 0 7 43 13 2 3 107 3 0 0 9 50 1 5 3 0 0 9 3 0 0 9 65 20 XT 20 20 9 1 2 5 0 8 2 8 0 9 65 2 0 3 0 0 9 3 3 1 0 74 2 3 3 8 1 2 4 0 1 2 85 2 6 4 0 1 2 40 1 2 100 3 0 XT 30 30 13 6 3 1 0 9 3 0 0 9 7 5 2 3 3 6 1 1 3 4 1 0 87 27 143 13 4 0 112 95 2 9 4 2 1 3 3 5 1 1 11 0 34 XT 50 50 227 3 3 1 0 3 1 0 9 9 6 2 9 3 8 1 2 3 5 1 1 10 7 3 3 4 4 13 4 0 1 2 12 0 37 48 15 47 1 4 14 0 43 XT 75 75 34 0 3 3 1 0 3 1 0 9 9 6 2 9 3 8 1 2 3 5 1 1 10 7 3 3 4 4 13 4 0 1 2 12 0 37 48 15 47 1 4 14 0 43 100 100 45 4 3 3 1 0 3 1 0 9 9 6 2 9 3 8 1 2 3 5 1 1 10 7
85. l number XT 30 is displayed typ alternates with 30 Table 49 1 System Data operating mode Mode Program Definition Default Alternate Range Increment Variable type variable display display System lt Default gt Default display Four dashed lines Indicator Data vErS Firmware version Indicator Model type 10 20 30 50 75 100 indicator corresponds to maximum unit capacity volt Unit voltage Indicator PHSE Unit phase Single phase 1 indicator Three phase 3 Output limit setting as a percentage of maximum unit 20 SP 20 100 9E capacity 100 10 SP 10 100 1 Indicator HU SP Humidity set point RH for internal controller 35 10 100 1 Indicator HU Pr Internal controller humidity proportional range 10 05 15 1 Indicator HU External or internal humidity controller HU E HU Indicator Control signal on oF on off humidistat 0 20 0 20 0 20 volt 0 16 0 16 0 16 volt 0 10 0 10 0 10 volt 2 10 CS 2 10 2 10 volt on oF 1 5 Indicator 1 5 1 5 volt 1 020 1 020 0 20mA 1 420 1 420 4 20 Pot potentiometer 0 135 ohm 00 49 Split combination for sequencing units m SPLt 00 99 Indicator 25 49 See Page 48 for explanation of settings 50 74 75 99 1 dbL Both cylinders are controlled parallel 2 dbL Each cylinder is controlled separately Signal for turn on point using internal humidity controller esp 20 SP signal for turn on at 20 demand 205 Un In
86. lation instructions e Before you begin installation read all dispersion instructions in this manual Before you begin installation unpack shipment and verify receipt of all Rapid sorb components with packing list Report any shortages to DRI STEEM factory immediately The components typically include the following Multiple dispersion tubes Header 34 x 2 19 mm x 51 mm L bracket Asingle duct escutcheon plate the size of the header Slip couplings or hose cuffs and clamps Accessories such as duct plates slip couplings or hose cuffs are in a plastic bag The bolts and washers for mounting the dispersion tubes to the bracket will be in the end of the tubes or packaged in a bag with the other accessories The tubes header and L bracket are tagged with the customer requested identification number written on each component When choosing a location for installation select a location that provides necessary access in and around the ductwork or air handler The Rapid sorb typically is installed centered side to side in a duct or is installed across the face of a coil in an air handler The center line of the outer dispersion tubes should never be closer than 4 5 114 mm from the side of the ductwork or air handler wall Rapid sorbs are provided with an L bracket for installation L brackets that are 50 1270 mm or less in length have a hole 4 102 mm in from each end to mount the L bracket to the
87. lectrode wire upon call for humidity Varies by model 55 01 70 Variable 1 Variable Page 52 DRI STEEM XT Series Electrode Steam Humidifier Installation Operation and Maintenance Manual Operating modes continued 53 1 Program operating mode continued Mode Programi Definition Default Alternate Range Increment Variable type variable display display Program Fill valve pulsed If function is active fill valve continued will open for 3 seconds and close for 7 seconds FLPU until water level in steam cylinder is oF Variable oF function not active on function active Relay 1 or Relay 2 SE Collective message without E1 b Relay switches during steam operation NS S Collective message displayed if any E1 E5 5 E1 Cylinder service message displays at end m 1 cylinder life r1 SE Bg Variable r2 E2 Over current displays if unit exceeds 140 of 2 1 nominal current and shuts unit down EA E3 No water displays after 30 minutes if no water in E5 cylinder and shuts unit down E4 Uncoded replacement processor board E5 Service setpoint reached No E1 message noE1 oF E1 message will be displayed oF on Variable on E1 message is suppressed Setting of the anti foam program FOAM oF function not active oF on Variable on function active Address of unit to be controlled by 01 00 29 01 Variable Original settings res
88. lines on Page 13 for placing humidistats transmitters and airflow proving switches More on the next page WARNING Only qualified electrical personnel should perform field wiring installation procedures Improper wiring or contact with energized circuits may cause property damage severe personal injury or death as a result of electric shock and or fire Figure 11 1 Field wiring requirements Power supply Fused disconnect Humidifier OM 7363 Notes Control wiring and power wiring must be run in dedicated or separate earthed metal conduit cable trays or trunking Separate the line voltage wiring from low voltage control circuit wiring when routing electrical wiring inside the humidifier cabinet Do not use chassis or safety grounds as current carrying commons Never use a safety ground as a conductor or neutral to return circuit current DRI STEEM XT Series Electrode Steam Humidifier Installation Operation and Maintenance Manual Page 11 Proper wiring prevents electrical noise Electrical noise can produce undesirable effects on electronic control circuits which affects controllability Electrical noise is generated by electrical equipment such as inductive loads electric motors solenoid coils welding machinery or fluorescent light circuits The electrical noise or interference generated from these sources and
89. ltra sorb Installation Operation and Maintenance Manual available on our web site www dristeem com DRI STEEM XT Series Electrode Steam Humidifier Installation Operation and Maintenance Manual Page 35 Dispersion XT steam blowers Figure 36 1 XT steam blower dispersion Mounted on top of the humidifier Mounted remotely from the humidifier XT steam blower XT steam blower XT Series humidifier XT Series humidifier 7513 7514 Table 36 1 XT steam blowers Number of XT steam blowers required XT steam blowers XTSB designed for use in finished spaces by humidifier model disperse steam into large open spaces and are particularly useful Humidifier XTSB 20 XTSB 50 where there are no air handling ducts model units kit units kit M There two XTSB models XTSB 20 for capacities to 20 Ibs hr n 9 1 kg hr and XTSB 50 for capacities up to 50 Ibs hr 22 7 kg hr XT 20 XT Series humidifiers can be configured to operate with one or more XT steam blowers See Table 36 1 for configuration information a 7 Multiple XTSB 50 steam blowers are used with 75 and larger xr i units in a remote configuration XT 75 2 XT 100 2 XT 150 4 200 4 Notes steam blowers are sold as kits to match the associated XT Series humidifier The number of XT steam blower units per kit are shown in this table
90. ly piping DN10 compression fitting In cases where water hammer may be a can causa the humidifier to not reach possibility consider installing a shock arrestor Water pressure must required steam capacity be between 25 psi and 80 psi 175 kPa and 550 kPa DRI STEEM XT Series Electrode Steam Humidifier Installation Operation and Maintenance Manual Page 9 Figure 10 1 Drain piping detail e 14111414414 Drain cup Doe D29 bolt hose clamp Hose clamp peces rubber hose field supplied Pitch 1 8 ft 196 T towards drain o RUNE 34 DN20 copper M 21 Open drain 11 25 mm g air gap Note A D29 bolt hose clamp and black rubber hose ship with each humidifier These parts can also be ordered from DRI STEEM See the replacement parts section of this manual for part numbers OM 7379 Supply water and drain piping continued Humidifier drain piping Drain piping must be code approved copper or steel rated for 212 F 100 C minimum The final connection size is 34 DN20 copper for the steam cylinder drain Do not reduce this connection size See Figures 8 1 and 9 1 for typical installation dimensions and requirements If drainage by gravity is not possible use a reservoir pump rated for 212 F 100 water 10 254 mm piece of hose is provided to function as the flexible connection from the drain cup to the field in
91. midifier DN8 pipe thread DN15 condensate drain tube pitch 4 ft 2 Water seal 5 127 mm Condensate drain tube by installer minimum 34 DN20 must be suitable for 212 F 100 C water 1 25 mm air gap drain required See Note 1 below Notes 1 Locate air gap only in spaces with adequate temperature and air movement to absorb flash steam otherwise condensation may form on nearby surfaces Refer to governing codes for drain pipe size and maximum discharge water temperature 2 Pitch vapor hose tubing or pipe toward dispersion tube 2 Ift 15 when using vapor hose 12 Ift 5 when using 1 tubing or pipe 3 Dashed lines indicate provided by installer 7366 Table 27 1 Figure 27 2 Dispersion tube and condensate drain Dispersion tube and condensate drain escutcheon plate dimensions escutcheon plates for 11 tube Callout Dispersion tube plate inches mm A A 1 51 38 diameter I B 3 25 83 C 0 75 19 Condensate drain plate D 3 25 83 C diameter 351 DRI STEEM XT Series Electrode Steam Humidifier Installation Operation Maintenance Manual Page 27 Dispersion Single Tube and Multiple Tube continued Figure 28 1 Multiple Tube with condensate wasted to floor drain Duct Maximum capacity of dispersion tube 1 dia DN40 56 8 Ibs hr 25 8 kg h
92. minimum rise spread and throw non wetting distances for your application Make sure walls ceilings or other obstructions are not within this region or condensation and dripping could occur see instructions on Page 37 Provide at least 4 102 mm clearance on each side of the XT steam blower for air intake Field wiring is required to connect the XT steam blower fan to the humidifier blower terminals Refer to the external connections diagram in the package shipped with the unit For mounting the XT steam blower remotely from the humidifier see the tables in this document for interconnecting piping requirements Figure 39 1 Piping connections to XT steam blowers XT steam blower mounted remotely XT steam blower mounted directly on top of XT Humidifier Plastic tie Bolt hose clamp hose damp White braided supplied with steam blower WI 9 i steam blower hose supplied mo White braided hose with humidifier purchased separately Condensate hose from DRI STEEM attached to steam 0 Condensate hose Bolt h blower g purchased separately T from DRI STEEM supplied with humidifier Srp cine Bt V with humidifier Water seal m
93. n installing a high limit humidistat and airflow proving switch is recommended Display panel operation Press the MODE button on the display panel to access five operating modes Display Service System Data Adjustments and Program Press MODE until the LED of the chosen mode illuminates Press SELECT to enter the mode submenu Press the SELECT button to view information and parameters of the chosen menu In some cases parameter labels and parameter values alternate on the display For example when the unit type for model number XT 30 is displayed typ alternates with 30 If a parameter is selected press the SET button to enter or change the parameter value Press MODE to leave the accessed mode and select the next mode Page 46 DRI STEEM XT Series Electrode Steam Humidifier Installation Operation and Maintenance Manual Operating modes Display operating mode Press the MODE button until the LED next to Display illuminates Press the SELECT button to view the following e Steam production rate in lbs hr e Output limit as a percentage of maximum unit capacity e Heating current in amps Table 47 1 Display operating mode controller Program Default Alternate variable Definition display display Range Increment Variable type Display lt Default gt 1 lines for external control lt gt 0 100 1 Ibs hr Steam production rate in Ibs hr D 0 1 Indicato
94. n events and add a secondary drain event respectively to try to mitigate excess conductivity in the water in the steam cylinder E3 No water message indicates there is no water in the steam cylinder The humidifier shuts down automatically after 30 minutes if no current is sensed Press the SET button to restart the humidifier Check the water supply supply valve in line water strainer inlet valve for water flow Next look for constant water flow out of the drain cup may indicate drain valve stuck open Try to clear the drain valve by going to the Service operating mode to cycle the drain valve on and off If this doesn t help resolve the condition by manually clearing the drain valve if it is stuck open see Cleaning the drain valve in Maintenance procedures section on page 59 More on next page Page 56 DRI STEEM XT Series Electrode Steam Humidifier Installation Operation and Maintenance Manual System messages continued E4 Uncoded processor board E4 message indicates a replacement processor board has been installed uncoded slide switches in off position Switch unit off Code the processor board switches per the instruction sheet included with the replacement board to enable humidifier operation E5 Service setpoint reached E5 message indicates service setpoint SErv has been reached This is a service message only the humidifier will continue to operate Press the SET button to
95. nished by DRI STEEM or if the products have been modified or altered without the written consent of DRI STEEM or if such products have been subject to accident misuse mishandling tampering negligence or improper maintenance Any warranty claim must be submitted to DRI STEEM in writing within the stated warranty period Defective parts may be required to be returned to DRI STEEM DRI STEEMS Limited Warranty is made in lieu of and DRI STEEM disclaims all other warranties whether express or implied including but not limited to any IMPLIED WARRANTY OF MERCHANTABILITY ANY IMPLIED WARRANTY OF FITNESS FOR A PARTICULAR PURPOSE any implied warranty arising out of a course of dealing or of performance custom or usage of trade DRI STEEM SHALL NOT UNDER ANY CIRCUMSTANCES BE LIABLE FOR ANY DIRECT INDIRECT INCIDENTAL SPECIAL OR CONSEQUENTIAL DAMAGES INCLUDING BUT NOT LIMITED TO LOSS OF PROFITS REVENUE OR BUSINESS OR DAMAGE OR INJURY TO PERSONS OR PROPERTY IN ANY WAY RELATED TO THE MANUFACTURE OR THE USE OF ITS PRODUCTS The exclusion applies regardless of whether such damages are sought based on breach of warranty breach of contract negligence strict liability in tort or any other legal theory even if DRI STEEM has notice of the possibility of such damages By purchasing DRI STEEMS products the purchaser agrees to the terms and conditions of this Limited Warranty Extended warranty The original user may extend the term of the DR
96. njury from hot water make sure cylinder and humidifier components have cooled before proceeding with maintenance 5 Disconnect the steam hose After the cylinder and humidifier components have cooled loosen the steam hose clamp and disconnect the steam hose from the cylinder 6 Disconnect the electrode plugs and high water sensor wire 7 Remove the cylinder 8 Check the drain valve If the drain valve port is dirty clean per the instructions on Page 59 Page 58 DRI STEEM XT Series Electrode Steam Humidifier Installation Operation and Maintenance Manual Maintenance procedures continued 9 Check O ring Ensure that the O ring of the drain valve body is correctly placed Change the O ring if necessary Dampen the O ring seals with water before replacing cylinder Do not use lubricant or other substance 10 Ensure strainer is in place 12 Insert the new cylinder Ensure that cylinder is secured properly by the mounting brackets within the unit 12 Connect electrode plugs to cylinder electrode pins The electrode plug wires are color coded See the unit wiring diagram for a color coded connection diagram This color coding must be followed when connecting electrode plugs to cylinder electrode pins On cylinders with six electrode pins note that there are two electrode plug wires per color Make sure that electrode plug wires of the same color are always directly opposite each other when connected to t
97. nnect to the duct airflow proving switch and duct high limit humidistat wiring recommended optional devices If not used jumper H H terminals unless on off humidistat is installed WARNING DRI STEEM strongly recommends installing a duct airflow proving switch and a duct high limit humidistat These devices prevent the humidifier from making steam when there is no airflow in the duct or when the RH level in the duct is too high Failure to install these devices can result in excessive moisture in the duct which can cause bacteria and mold growth or dripping through the duct Grounding requirements A safety grounding system that meets national state and local electrical codes is required The ground connection must be made with solid metal to metal connections Ground wire should be the same size as power wiring Control input wiring XT Series humidifiers accept RH or demand signals from DRI STEEM control components or from a signal by others For wiring connection requirements first determine which control scenario applies Then refer to the corresponding control input wiring diagram shown on the following pages or located inside the accessory box Page 12 DRI STEEM XT Series Electrode Steam Humidifier Installation Operation and Maintenance Manual Humidistat and transmitter placement Humidistat and transmitter locations are critical Humidistat and humidity transmitter locations have a significant impact on humid
98. o boil off into steam As the water level decreases current flow decreases When current flow becomes less than the amperage corresponding to the demand signal the fill valve opens to increase the water level in the cylinder to increase current flow increasing steam production Steam created in the cylinder flows through the steam outlet via vapor hose or piping to the dispersion assembly where it is discharged into the airstream The humidifier has integral drain water tempering Water automatically cools to 140 60 or cooler when draining End of season drain If there is no call for humidity for 72 hours the humidifier is placed in End of Season EOS mode When the unit enters EOS mode the drain valve remains open for five minutes to allow the steam cylinder to drain and then closes When the humidifier receives a call for humidity after the end of season drain the steam cylinder refills and the humidifier resumes normal operation Draining the steam cylinder after 72 hours reduces the possibility of electrode corrosion and microbial growth in the cylinder Extended shutdown To prepare the unit for an extended shutdown 1 Drain the steam cylinder to reduce possibility of electrode corrosion Open the drain valve by pressing the MODE button to illuminate the Service LED Press the SELECT button repeatedly until dr of appears on the display Press the SET button to display dr on and the drain valve opens Check to make
99. olt hose White braided hose damp XT 100 Humidifier XT 150 Humidifier Note Note Stainless steel tube connector kit To dispersion assembly Two stainless steel adaptors and one stainless steel tube connector ship with each XT 150 Humidifier Note For multiple cylinders staged humidifiers Model XT 150 or Model XT 200 connect the provided stainless steel tube connector directly to the dispersion unit inlet The diameter and pitch of the tube connector must match the inlet diameter and pitch of the dispersion unit Attach a maximum of two cylinders to the stainless steel tube connector with vapor hose tubing or pipe OM 7442 7443 OM 7444b DRI STEEM XT Series Electrode Steam Humidifier Installation Operation and Maintenance Manual Page 23 Dispersion Drip tee installation Install a drip tee as shown below when the humidifier is mounted higher than the dispersion assembly when interconnecting hose or piping needs to go over an obstruction or when interconnecting piping runs are long IMPORTANT Vapor hose must be supported to prevent sagging or low spots Figure 24 1 Drip tee installation piping over an obstruction dot 90 long sweep 7 two 45 elbows Pitch Obstruction N A x 1 NEN Insulate tubing and hard pipe N to reduce steam do
100. on assembly The recommended installation location for the dispersion assembly is at an elevation higher than the humidifier However if the dispersion assembly must be installed at an elevation lower than the humidifier install a drip tee and drain as shown in Figure 24 1 Before installing a dispersion assembly or interconnecting piping review all pitch requirements in the dispersion section of this manual Recommended minimum clearances see Figure 4 1 Electrical connections Electrical power supply connections are made at the bottom panel corner of the electrical enclosure The system wiring is inside the cover of the control cabinet See the field wiring instructions starting on Page 11 Supply water and drain piping connections Water supply piping connections are made on the bottom left side of the unit Drain piping connections are made at the bottom center of unit See the field piping illustration and instructions starting on Page 8 Exterior wall insulation Do not install the humidifier on an exterior wall unless that wall is properly insulated Choosing a location for the dispersion assembly and control devices See Page 20 for recommended installation locations for the dispersion assembly See Page 13 for recommended installation locations for control devices such as humidistats and transmitters Page 4 DRI STEEM XT Series Electrode Steam Humidifier Installation Operation and Maintenance Manual M
101. orb XT Series humidifier Locate air gap only in spaces with adequate 2 1596 when using vapor hose 1 8 ft 196 when using tubing or pipe temperature and air movement to absorb flash steam otherwise condensation may form on nearby surfaces Refer to governing codes for drain pipe size and maximum discharge water temperature OM 7370 Assembly and installation instructions for a Rapid sorb installed with header inside the duct horizontal airflow 1 Locate and cut the holes in ductwork or air handler for steam header penetration condensate drain piping and header support bracket fastener Allow 1 8 ft 196 header pitch toward the support bracket when you drill the hole for the header support bracket fastener 2 Loosely fasten the header in place 3 Rotate the header 90 so the header stubs point horizontally in the duct When installing in an air handler the rotation of the header is often less than 90 Typically due to the condensate drain piping requirements the header can be set on the floor of the air handler assembled in the vertical position and then raised and mounted in place 4 Mount the dispersion tubes on the header with the slip couplings or hose cuffs When installing slip couplings for 1 DN40 dispersion tubes take care not to shear the O rings Set the slip coupling on the header stub or dispersion tube so the O ring is resting on the face of the tubing More
102. ounting the humidifier Figure 5 1 Mounting keyhole locations by model number Models XT 10 XT 20 XT 30 XT 50 XT 75 XT 100 Models XT 150 XT 200 gt OM 7360 OM 7420 Table 5 1 Mounting dimensions XT 10 XT 30 XT 75 XT 150 XT 20 XT 50 XT 100 XT 200 inches mm inches mm inches mm inches mm A 3 9 99 7 1 180 7 5 191 7 5 191 B 14 356 16 3 414 19 1 485 19 1 485 C 3 1 79 3 6 91 3 4 86 3 4 86 D 3 76 2 1 53 3 4 86 3 4 86 2 8 7 3 76 2 8 7 2 8 7 F 3 8 97 32 81 2 6 66 2 6 66 G 174 434 Note 20 models using 208V single phase power or 240V single phase power have dimensions equal to Models XT 30 and XT 50 DRI STEEM XT Series Electrode Steam Humidifier Installation Operation and Maintenance Manual Page 5 WARNING Mount humidifier per the instructions in this manual and to a structurally stable surface Improper mounting of humidifier may cause the humidifier to fall off the wall resulting in severe personal injury or death Mounting the humidifier continued Prepare humidifier for mounting Unpack unit from shipping carton and remove steam cylinder door Disconnect electrode and high water sensor connectors from steam cylinder Pull pins from brackets that retain steam cylinder Remove steam cylinder from drain valve body Mount humidifier Mount the humidifier so that it is plum
103. outlet connections Vapor hose connection Hose clamp on vapor hose WCE supplied with hose kit Hie aoe steel adapter Worm drive hose clamp White braided hose Bolt hose clamp Steam cylinder OM 7377 Tubing or pipe connection Tubing or pipe must ground N 1 Hose clamp Hose clamp Stainless steel adapter Worm drive hose clamp White braided hose Bolt hose clamp Steam cylinder OM 7378 Notes A stainless steel adapter white braided hose and two hose clamps ship with each humidifier using duct dispersion Hose clamps shipped by model XT 10 and XT 20 except 20 208 240 1 Ph 34 worm drive clamp and 029 bolt clamp XT 20 208 240 1 Ph XT 30 XT 50 and XT 75 1 worm drive clamp and D43 bolt clamp See the replacement parts section of this manual for part numbers Hose cuffs and hose clamps can be ordered from DRI STEEM One cuff and two clamps connect tubing or pipe to the stainless steel adapter shown above and one cuff and two clamps connect tubing or pipe to the dispersion assembly not shown Use 1 5 x 6 cuffs Part No 305390 006 with 1 5 clamps Part No 700560 150 DRI STEEM XT Series Electrode Steam Humidifier Installation Operation and Maintenance Manual Page 21 Dispersion Interconnecting piping requirements continued Connecting humidifier to dispersion assembly with tubing or pipe continued
104. r max capacity Output limit as a percentage of maximum unit 20 5 20 100 capacity Varies with demand for internal humidity 100 10 SP 10 100 1 Indicator Heating current in Amps 0 0 max Indicator DRI STEEM XT Series Electrode Steam Humidifier Installation Operation and Maintenance Manual Page 47 48 1 Mode Service operating mode Operating modes Service operating mode In the Service operating mode components can be tested by manually switching them on or off using the SET button To do this press the MODE button until the LED next to Service illuminates The LED next to the SELECT button is now flashing This indicates that it is selectable Press the SELECT button to view the Service submenu Press the SELECT button repeatedly to scroll through the submenu To modify parameter status press the SET button if the LED is flashing The table below shows the Service submenu parameters that may be switched on or off Program Definition variable Default Default display Four dashed lines Default display Alternate display Range Increment Variable type Indicator SE High water Sensor status off oF or on Indicator HU Humidistat status off oF or on Indicator P Power Use SET button to switch unit on off Cycles manually component Fill valve Use SET button to switch fill val
105. r 7 seconds repeatedly FL PU until water level in steam cylinder is adequate oF on Indicator oF function not active on function active Relay 1 or Relay 2 SE Collective message without E1 b Relay switches during steam operation ri S Collective message displayed if any E1 E5 E1 Cylinder service message displays at end ri cylinder life r1 SE E Indicat r2 E2 Over current displays if unit exceeds 140 of r2 E1 m nominal current and shuts unit down No water displays after 30 minutes if no water in 5 cylinder and shuts unit down E4 Uncoded replacement processor board E5 Service setpoint reached No E1 message noE1 oF E1 message will be displayed oF on Indicator on E1 message is suppressed Service set point Counter in hours for maintenance SErv 00 Indicator interval LIFE Life of steam cylinder Counter of steam cylinder indicator operating hours Total operating hours on the unit Hours are counted Indicator to 9999 then every 10 hours Setting of the anti foam program FOAM oF function not active oF on Indicator on function active 1 CyL Control setting of single units XT 10 20 30 50 75 100 2 Control setting of double units XT 150 200 High limit actual Displays relative humidity measured 0 0 by the high limit VAV transmitter 0 lt RH gt Indicator H L A AdrS Address of unit to be controlled by a PC 01
106. ree phase weight lbs hr kg h 208V 240V 277V 480V 600V 208V 240V 480V 600V lbs kg lbs kg XT 10 3 4 10 4 5 16 2 14 0 12 2 7 0 5 6 9 4 8 1 4 1 32 27 6 12 5 29 8 13 5 XT 20 6 7 20 9 1 322 27 9 24 2 14 0 11 2 18 6 16 1 8 1 6 4 29 8 13 5 38 6 17 5 XT 30 10 1 30 13 6 28 0 24 3 12 1 9 7 43 0 19 5 70 5 32 XT 50 16 8 50 22 7 46 6 40 4 20 2 16 2 43 0 19 5 70 5 32 XT 75 25 1 75 34 0 30 3 24 2 65 0 29 5 114 6 52 XT 100 33 5 100 45 4 40 4 32 3 67 2 30 5 116 8 53 XT450 503 150 680 B 2 2 1378 625 2425 110 30 3 242 200 670 200 907 2x 2X 1422 645 2469 112 40 4 32 3 i i Note Double units require two circuits Page 2 DRI STEEM XT Series Electrode Steam Humidifier Installation Operation and Maintenance Manual For these models shipping weight 43 Ibs 19 5 kg and maximum operating weight 70 5 Ibs 32 kg Installation Dimensions Figure 3 1 Dimensions Models XT 10 XT 20 XT 30 XT 50 XT 75 XT 100 Models XT 150 XT 200 Top view Top view 0 1 8 F 1 8 1 8 79 C 8 Dispersion outlet Dispersion outlet Front view A Front view A LTP HE MI i Drain Electrical knockouts Bottom View an Water fill line connection 4 M 1441 1 1 OM 7374
107. rsion and call DRI STEEM for assistance DRI STEEM XT Series Electrode Steam Humidifier Installation Operation and Maintenance Manual Page 55 System messages E messages The humidifier is factory programmed to display five system messages E1 E2 E4 and E5 These messages may also be programmed to provide remote indication using two relays r1 and r2 The E messages indicate the following E1 Check the steam cylinder 1 message can occur during start up or after installing a new cylinder if the supply water has low conductivity If E1 is received during initial run time do not clean or replace the cylinder At end of E1 message indicates the steam cylinder can no longer meet demand Inspect the cylinder to determine if it needs to be cleaned or replaced E1 message is a service message only the humidifier will continue to operate with a reduced output Press the SET button to acknowledge the message E2 Over current E2 message indicates the humidifier has been switched off due to an over current condition 14096 of the nominal current Resolve the over current condition by clearing the drain if clogged or replacing the cylinder if there is excessive mineral buildup and then press the SET button to restart the humidifier If E2 alarms persist use the drain plus drain interval and drain additional functions in the programming mode to add drain duration shorten the time between drai
108. rtant that the dispersion assembly be positioned where the water vapor being discharged is carried off with the airstream and is absorbed before it can cause condensation or dripping in the duct In general the dispersion assembly is best placed where the air can most readily absorb the moisture being added without causing condensation at or after the unit This normally will be after the heating coil or where the air temperature is highest Place the dispersion assembly such that absorption will occur before the intake of a high efficiency filter The filter can remove the visible moisture and become waterlogged Place the dispersion assembly such that absorption will occur before coming in contact with any metal surface Place the dispersion assembly such that absorption will occur before fire or smoke detection devices Place the dispersion assembly such that absorption will occur before a split in the duct Otherwise the dispersion assembly may direct more moisture into one duct than the other When draining dispersion condensate to an open drain provide a 1 25 mm gap between the condensate drain piping and the drain Locate air gap only in spaces with adequate temperature and air movement to absorb flash steam or condensing on nearby surfaces may occur IMPORTANT Failure to follow the recommendations in this section can result in excessive back pressures on the humidifier This will result in unacceptable humidi
109. s with the provided bolt lock washer and flat washer 5 Before tightening the L bracket bolts to the dispersion tubes follow these instructions e For 1 0340 dispersion tubes The dispersion tube will rotate in the slip coupling Verify that the dispersion tube orifices are directed perpendicular to the airflow The dispersion tube and slip coupling must be fully engaged on to the header stub for the O rings to provide a seal e For 2 0350 dispersion tubes Before securing the hose cuff in place with the hose clamps on the dispersion tube and the header stub verify that the dispersion tube orifices are directed perpendicular to the airflow 6 Slide the assembly up until the L bracket aligns with the mounting holes in the duct e For 1 DN40 dispersion tubes The header pitch is duplicated in the L bracket The dispersion tube and slip coupling must be fully engaged on to the header stub for the O rings to provide a seal The high end of the L bracket be fastened tight to the duct or air handler On the low end of the L bracket the fastener must be long enough to compensate for the pitch and a nut should be provided and secured on both sides of the L bracket and the duct or air handler for stability e For 2 0350 dispersion tubes Fasten the bracket to the top of the duct and use the hose cuffs to compensate for the pitch of the header Before securing the hose cuff in place with the hose
110. stalled drain plumbing D29 hose clamp is provided to secure the drain hose to the drain cup See Figure 10 1 for drain piping detail If the equivalent length of pipe from the humidifier drain to the plumbing system drain is more than 10 3 m increase the pipe size to 14 DN32 Page 10 DRI STEEM XT Series Electrode Steam Humidifier Installation Operation and Maintenance Manual Field wiring Humidifier field wiring wiring must be in accordance with all governing codes and with the unit wiring diagram The unit wiring diagram is inside the electrical control cabinet Power supply wiring must be rated for 105 When selecting a location for installing the humidifier avoid areas close to sources of electromagnetic emissions such as power distribution transformers Do not loop power wiring Do not use aluminum wire Field wiring connections and requirements Conduit knockouts are provided on the bottom of the electrical control cabinet Control wiring knockouts are on the bottom front power wiring knockouts are on the bottom rear CAUTION Adding alternate conduit connections is not recommended however if making holes and knockouts in the humidifier cabinet protect all internal components from debris and vacuum out cabinet when finished Failure to comply with this caution can damage sensitive electronic components and void the DRI STEEM warranty Control component placement Follow the guide
111. sure the steam cylinder is drained 2 Turn the unit off by toggling the on off switch 3 Open the main external fused disconnect to stop power to the humidifier 4 Close the water supply shut off valve to the humidifier 5 After shutdown limit unit access to qualified service personnel only Safety functions XT Series humidifiers are protected against running dry current does not flow when the electrodes in the steam cylinder are no longer submerged in water After 30 minutes of no current an E3 message is displayed see Page 56 More on next page DRI STEEM XT Series Electrode Steam Humidifier Installation Operation and Maintenance Manual Page 45 Control panel DRISTEEM Alphanumeric LED display MODE button provides access to over 20 programmable functions in these categories Display Service System Data Adjustments Program Press the SELECT button to choose system functions Press the SET button to set system functions On Off toggle switch Operation continued Should the current rating exceed 12596 of nominal current the drain valve opens automatically As the water level drops the current rating drops back to the nominal value Should the current rating exceed 14096 of the nominal current after several drainage operations the humidifier will shut down automatically and display an E2 message see Page 56 To prevent duct saturatio
112. team cylinder in stock during humidification season See the replacement parts section of this manual for part numbers Maintenance procedures Inspect unit every 500 hours of operation At 500 hour intervals inspect the steam cylinder fill and drain valves vapor hose condensate piping water supply piping drain drain piping and all other parts for proper operation and or cleaning requirements Verify proper operation of high limit humidistat relays and airflow proving switch Replace the steam cylinder Steam cylinder service life depends on operating hours and water hardness Replace the steam cylinder when the electrodes become insulated with mineral deposits to a degree that output demand can no longer be achieved when the maximum water level sensor is repeatedly triggered or when E1 messages occur after extended run time To replace the steam cylinder 1 Close the field installed manual supply water shut off valve 2 Drain water from the steam cylinder Open the drain valve by pressing the MODE button to illuminate the Service LED Press the SELECT button repeatedly until dr of appears on the display Press the SET button to display dr on and the drain valve opens 3 When the steam cylinder is completely empty turn the humidifier off Place all power disconnects in the OFF position and lock in the OFF position 4 Open the steam cylinder door CAUTION Cylinder and any undrained water may be hot To avoid i
113. temperature OM 7369 Assembly and installation instructions for a Rapid sorb installed with header outside the duct horizontal airflow 1 Locate and cut the holes in the ductwork for the dispersion tubes Use the L bracket as a template to locate the holes on the duct floor 2 Temporarily loosely suspend or support the header below the final location the vertical balance point of the dispersion tube length dictates where the header should be suspended or supported temporarily 3 Mount the dispersion tubes to the header with the provided connector either a slip coupling or a hose cuff When installing slip couplings for 1 DN40 dispersion tubes take care not to shear the O rings Set the slip coupling on the header stub or dispersion tube so the O ring is resting on the face of the tubing Rotate the slip coupling as you push it on to the tubing The O rings are lubricated at the factory If additional lubrication is necessary DO NOT use a petroleum based lubricant 4 Position the flange of the L bracket so it is upstream of the tubes when the assembly is raised and fastened into position Fasten the DRI STEEM XT Series Electrode Steam Humidifier Installation Operation and Maintenance Manual Page 31 Dispersion Rapid sorb continued Assembly and installation instructions for a Rapid sorb installed with header outside the duct continued L bracket to the end of the dispersion tube
114. the effect on controllers is difficult to define but the most common symptoms are erratic control or intermittent operational problems Important For maximum EMC effectiveness wire all humidity high limit and airflow controls using multicolored shielded screened plenum rated cable with a drain wire for the shield screen Connect the drain wire to the shield screen ground terminal with wire less than 2 50 mm in length Do not ground shield at the device end Field wiring continued Below are field wiring connection instructions Connect to line power Refer to the wiring diagram or the data plate on the outside of the cabinet for wire sizing amperage Connect to control signal wiring from a humidistat transmitter or signal by others See the control wiring diagrams on pages 14 19 When running both cylinders of a two cylinder unit in parallel be sure to connect the control signal wiring to the LEFT SUPPLY PCB ONLY Connect remote signal wiring When wired to a remote signaling device two relays indicate if there is a fault with draining filling or water level control functions of the humidifier or if a required maintenance interval has been reached See the control wiring diagrams on pages 14 19 To enable the remote signaling device connect wiring to control terminals 9 N O 10 N C 11 C for Relay 1 and connect wiring to control terminals 26 N O 27 N C and 28 C for Relay 2 Co
115. thout drain 56 8 25 8 1 40 with drain These capacities require 56 8 225 8 multiple tube assemblies and cannot use a single hose kit DRI STEEM XT Series Electrode Steam Humidifier Installation Operation and Maintenance Manual Page 25 Dispersion Single Tube and Multiple Tube continued Figure 26 1 Single Tube dispersion without condensate drain Single dispersion tube Vapor hose tubing or without condensate drain pipe Insulate tubing and hard pipe to reduce steam loss Do not insulate vapor Pitch 5 Se ED 3 8 M10 mounting nut Adapter Secure and seal duct Tube pitch 2 ft escutcheon plate 1596 XT Series humidifier 90 long sweep or two 45 elbows Maximum capacity of dispersion tube 1 diameter DN40 28 4 Ibs hr 12 9 kg h OM 7365 Dispersion tube 2 escutcheon plate Table 26 1 5 E a Dispersion tube escutcheon plate dimensions for 11 tube Notes al Callout Pitch vapor hose tubing or pipe toward humidifier diameter e ONE inches mm 2 Ift 15 when using vapor hose 1 8 ft 1 when using tubing or pipe A 1 51 38 Dashed lines indicate provided by installer SE 26 2 Pitch of dispersion tube s and interconnecting piping for Single Tube or Multiple Tube evaporative dispersion units
116. two dispersion tubes 4 DN20 Minimum diameter ID for draining from three or more dispersion tubes 14 DN32 Condensate drain piping must be rated for 212 F 100 continuous operating temperature Condensate drain line must be piped as shown in the figures on the following pages Provide a 6 152 mm drop prior to a 5 127 mm water seal to Ensure drainage of condensate from the header Keep steam from blowing out of the drain line e After the water seal run the drain line to an open drain with a 1 25 mm vertical air gap Cut the drain line at a 45 angle on the end above the drain to permit a direct stream of water into the drain pipe while maintaining a 1 25 mm air gap Locate air gap only in spaces with adequate temperature and air movement to absorb flash steam or condensing on nearby surfaces may occur All drain lines must be installed and sized according to governing codes IMPORTANT Failure to follow the recommendations in this section can result in excessive back pressures on the humidifier This will result in unacceptable humidification system performance such as water siphoning from the steam cylinder blown water seals erratic water level control and spitting condensate from the dispersion tube s Table 25 1 Hose kit sizing by capacity Maximum tube capacity Hose kit vapor hose dispersion tube Ibs hr kg h and hardware 28 4 12 9 1 DN40 wi
117. ty with a controller output of 0 5 V and the second unit operates between 0 and 10096 of maximum capacity with a controller output of 5 10 V Humidifier start up After connecting the steam hose water supply drain piping and power per the instructions in this manual open the water supply and turn on the humidifier s on off control switch When there is a call for humidification with the airflow proving switch and high limit humidistat contacts closed the contactor closes the inlet valve opens and water flows into the steam cylinder When the water reaches the electrodes electric current flows heats up the water and steam is produced after a short time The nominal steam capacity will be reached after a start up time dependent on the supply water conductivity It is possible that the maximum fill level or SE on see Table 48 1 is reached during start up or after the installation of a replacement cylinder When SE on is reached the inlet valve closes momentarily This is quite normal during this water conductivity verification More on next page Page 54 DRI STEEM XT Series Electrode Steam Humidifier Installation Operation and Maintenance Manual Humidifier start up continued phase of operation The duration of this phase varies and lasts until the cylinder has achieved the nominal output In the first stage of Service mode it can be checked whether the maximum fill level SE on has been reached see Page 48
118. ve on off Cycles FL manually Drain valve Use SET button to switch drain valve component Cycles dr on off manually component Co Contactor Use SET button to switch contactor on off Cycles manually component Remote indication relay 1 Use SET button to switch 1 remote indication relay 1 terminals 9 10 11 on off y component manually Remote indication relay 2 Use SET button to switch 27 remote indication relay 2 terminals 26 27 28 on off manually Cycles component Note Unit will stop steam production for the FL dr Co r1 and r2 program variables Page 48 DRI STEEM XT Series Electrode Steam Humidifier Installation Operation and Maintenance Manual Operating modes continued System Data operating mode The System Data operating mode provides a quick way to review but not change current system parameters To review System Data press the MODE button until the LED next to System Data illuminates The LED next to the SELECT button is now flashing which indicates that it is selectable Press the SELECT button to view the System Data submenu Press the SELECT button repeatedly to scroll through the submenu The table below and on the next page shows the parameters available for review Note For most displayed information the parameter label alternates with the parameter value For example when the unit type for mode

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