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VAPOR-LOGIC

VERSION 6 INSTALLATION AND OPERATION MANUAL

Table 88-1:
Troubleshooting guide (continued)

Humidity set point issues

Issue

Possible causes

Actions

Humidity above set point

• High entering relative humidity

• Dehumidify .

• Unit oversized

• Consult DriSteem .

• Reduced airflow

• Check fans, dampers, VAV systems, etc .

• Improperly located humidistat or humidity

transmitters

• Relocate, using guidelines in Appendix section of this manual .

• Malfunctioning controls

• Check for incorrect supply voltage .

• Check for incorrect control signal .

• Check for improper wiring hookup .

• If humidity controller or transmitter are out of calibration or

malfunctioning, repair or recalibrate .

Hunting (humidity swings

above and below desired set

point)

• Malfunctioning control system

• If there is a faulty or inaccurate humidity controller or

transmitter, repair or replace .

• Check for proper Vapor-logic

control settings: RH set point,

high limit set point, cycle rate, PID tuning, etc .

• Relocate poorly located control components . See “Sensor

placement” on Page 26 .

• Verify that the touchscreen display modular cable is isolated

from power wiring .

• Air volume varies rapidly

• Stabilize .

• Air temperature is varying rapidly

• Stabilize to ±1 ºF (±1 ºC) .

• Proportional band is too small and/or

integral gain (Ki) is too large

• If RH swings outside PID band, increase PID band using the

Settings menu .

• Decrease integral gain (Ki) using the Set Up menu .

• On-off control is not adequate

• If controlling the humidifier with an on-off signal, consider

changing to controlling with a modulating signal .

Continued

Troubleshooting guide

TROUBLESHOOTING

Содержание Vapor-logic 6

Страница 1: ...VAPOR LOGIC VERSION 6 Humidifier Control System Installation and Operation Manual READ AND SAVE THESE INSTRUCTIONS...

Страница 2: ...ield wiring 24 Sensor placement 26 Step 2 Setup 28 Using the touchscreen display 28 Using the Web interface 29 Setup screen 29 Step 3 Startup 37 OPERATION 38 Using menus and screens 38 Vapor logic dis...

Страница 3: ...acking up and restoring settings 62 Firmware updates 63 Downloading firmware updates 63 Installing firmware updates 66 Test outputs and test run 67 Modbus BACnet LonTalk interoperability 68 Connection...

Страница 4: ...escribed here and in the IOM resulting in property damage personal injury or death If the IOM is missing go to www dristeem com to download a replacement Hot surfaces and hot water Steam humidificatio...

Страница 5: ...allows easy firmware updates and data backup and restore capability Real time clock allows time stamped alarm and message tracking and accurate drain and flush scheduling Auxiliary temperature sensor...

Страница 6: ...tem Insert a USB flash drive into the Vapor logic board s USB port to perform software updates download data logs and back up and restore data Vapor logic capabilities Enhanced diagnostics include Tes...

Страница 7: ...otely Connect a computer directly to the Vapor logic board or through a network to use the Web interface OPERATING CONDITIONS The Vapor logic main board and display must be operated and stored within...

Страница 8: ...ction points for drain fill etc Field connection points for transmitters airflow switch etc Connection pins for optional LonTalk module Display connection BACnet or Modbus connection Factory connectio...

Страница 9: ...CT1 Ignition module 1 Drain Drain valve Fill Fill valve P16 all are 24VAC outputs SDU Space Distribution Unit Area type NO 2 Normally open 2 See Caution below P15 n a P14 TS Aux temp sensor or temp c...

Страница 10: ...he humidifier serves Access all the active alerts that affect the operation of the humidifier View the current mode of the humidifier via the color indicator Change the mode by touching the edit icon...

Страница 11: ...nterface Click on a tab label to move to another screen Click here to view alarms Click here to view messages Click on CHANGE to change value Click on label to contract or expand menu item OVERVIEW FI...

Страница 12: ...e conduit as line voltage wires Humidistat room duct transmitter temperature sensor and airflow proving switch wiring must be minimum 18 gauge 1 mm2 plenum rated shielded screened twisted pair wire wi...

Страница 13: ...end of wire and insert wire here P1 P2 P3 P4 P5 P6 P7 P8 P9 P10 P11 P12 P13 P14 P15 P16 P17 P18 P19 SSR BL Steam Fill Drain SDU NO 2 PV CA 24VAC CAsw 24VAC PVsw TS 24VDC DHL 21VDC 24VAC AFsw NO 1 C 1...

Страница 14: ...o the humidifier and connected to the Vapor logic board SETUP OF VAPOR LOGIC IS A THREE STEP PROCESS 1 Connect field wiring from device to Vapor logic board See instructions beginning on Page 12 Note...

Страница 15: ...ammable relays Area type SDU dispersion fans or steam blowers 2 Complete the Setup process See instructions beginning on Page 27 3 Start up humidifier s See instructions on Page 35 Refer to the Pre in...

Страница 16: ...All transmitters provided by DriSteem are two wire devices using a 4 to 20 mA signal Demand signal by others Demand signals are sent to the Vapor logic board from another control system such as a buil...

Страница 17: ...GND lug 2 wire 18GA Shield cable Control panel shield GND lug RH Dew point Vapor logic Vapor logic P11 P11 Room or duct RH Y 21VDC RH 21VDC RH 21VDC 4 20 mA humidity sensor COM Note Input resistance 5...

Страница 18: ...l between the on and off switch points The differential is established at a range sufficient to prevent output short cycling In other words the humidity level has to fall below set point before the hu...

Страница 19: ...roducing this signal the humidity set point is set at the humidistat The display then is used for maintaining and troubleshooting the humidification system with humidifier control stemming from the hu...

Страница 20: ...an dispersion assembly See also Sensor placement on Page 26 DUCT HIGH LIMIT SWITCH OR TRANSMITTER Connect wiring for a duct high limit switch or transmitter by inserting wires into the terminal block...

Страница 21: ...required between SDU cabinet terminal strip for SDU blower and air flow switch 21 VDC Transmitter On off Vapor logic Vapor logic 4 20 mA High limit sensor Duct mount Modulating high limit NC C GN 2 w...

Страница 22: ...onitors duct or space air temperature Mount the auxiliary temperature sensor wherever you want to monitor temperature Auxiliary temperature readings are logged to the data log TEMPERATURE COMPENSATION...

Страница 23: ...n the next page Plug the other end of the cable into the display This connection provides DC power and communication to the display See Caution at right before routing cable If a longer display cable...

Страница 24: ...l LonTalk terminals Next multitank humidifier PC or BACnet IP Ethernet connection J1001 Install jumper if multi tank system and controller is at end of communications link Step 1 Field wiring Communic...

Страница 25: ...interface CONNECTING WEB INTERFACE DIRECTLY TO A COMPUTER NOT ON A NETWORK 1 Connect the Ethernet cable Insert one end of an RJ45 Ethernet cable into the Vapor logic board at P9 labeled Ethernet see...

Страница 26: ...necessary a Change the IP address of the humidifier to work with your computer The most straightforward way to change the IP address of the humidifier using Vapor logic is to use the touchscreen displ...

Страница 27: ...ter connected to the Vapor logic board open a Web browser such as Mozilla Firefox or Internet Explorer b Find the browser address bar see Figure 23 1 delete all existing text in the browser address ba...

Страница 28: ...onnect wiring for remote signaling using a programmable relay dry contact by inserting wires into the terminal block plug at P12 or P16 per the wiring diagram in Figure 25 1 Tighten screws This connec...

Страница 29: ...air switch and or GTS power vent by inserting wires into the terminal block plugs at P15 and P16 Tighten screws Remove shunt on J403 combustion air or J404 power vent if it is installed The combustio...

Страница 30: ...ays or areas of stagnant airflow G Best sensing location for a high limit humidistat or humidity transmitter and airflow proving switch Outside air Relief air Return air Air handling unit 8 to 12 2 4...

Страница 31: ...nd defaults are the same whether viewed from the touchscreen display or Web interface However labels may be different on the Web interface USING THE TOUCHSCREEN DISPLAY To access the Settings on the t...

Страница 32: ...ee Page 21 for Web interface connection and IP address instructions Follow the instructions below to complete the setup process INSTALLATION Click on a tab label to move to another screen Click here t...

Страница 33: ...DC Demand Voltage signal by others or modulating humidistat VDC Settings 0 output VDC 1 0 0 0 Maximum VDC 100 output VDC 9 0 Minimum 16 0 VDC mA Demand Current signal by others mA Settings 0 output mA...

Страница 34: ...g can cause the dry contact relay component or the Vapor logic board to fail Contact Behavior Normally open Normally open Normally closed Contact action on event Contact Purpose Default Alerts Default...

Страница 35: ...once usage requirement is met Allowed Days All Select days of week auto drain flush is allowed once usage requirement is met Sunday Yes Monday Yes Tuesday Yes Wednesday Yes Thursday Yes Friday Yes Sat...

Страница 36: ...uires changing the drain valve Not all options available for all models Test Test Outputs Choose Start to turn on the output for a few seconds Choose Back if you do not want to test the output at this...

Страница 37: ...lay Date and Time Set Date 1999 Set Time 0 00 0 00 23 59 24 hour clock Humidifier Info Unit Name order specific 1 20 Characters Press the edit icon to edit the name of the humidifier This name is not...

Страница 38: ...ity Calibration Capacity Calibration 100 0 245 Changing the capacity calibration setting changes reported not actual humidifier output Security Require Passcode No No Yes Set Passcode 0000 0000 9999 E...

Страница 39: ...and Maintenance manual have been completed 2 Use the next button to set the date time and custom humidifier name 3 Address any alerts that might prevent humidifier operation and press next 4 Close the...

Страница 40: ...and do a settings backup Go to Status to Download Data Use the Alerts icon to view messages Vapor logic Web interface has the following screens Status Diagnostics Alarms Setup Help Click on a tab lab...

Страница 41: ...isabled Mode is Standby waiting for user to change the mode to Auto Probe check The Vapor logic control is verifying water probe operation and checking water quality Starting up The Vapor logic contro...

Страница 42: ...orts why a humidifier is not making steam Access Quick Diagnosis from the Status menu or from the status bar tank icon or output icon on the Home screen See the tables on the following pages for Statu...

Страница 43: ...mode the automatic drain valve if so equipped opens and the tank drains All humidifier operation is suspended and the drain valve remains open until the unit is taken out of Drain tank mode See the D...

Страница 44: ...000 counts Low water probe Water No water Airflow switch Flow No flow Interlock switch Open Closed Water until drain flush 2 200 000 lbs Displays amount of water to be converted to steam before automa...

Страница 45: ...Default value Minimum value Maximum value Units Notes Combust air switch Flow No Flow Power vent switch Open Closed Flue pressure switch Open Closed Flue temperature 32 212 F 0 100 C Drain temperature...

Страница 46: ...me of occurrence plus whether the alarm is active has been cleared by an operator or auto cleared by Vapor logic The Alerts Log lists active alerts at the top of the list followed by cleared alerts in...

Страница 47: ...43 VAPOR LOGIC VERSION 6 INSTALLATION AND OPERATION MANUAL FIGURE 43 1 VAPOR LOGIC WEB INTERFACE ALARMS SCREEN System alerts OPERATION...

Страница 48: ...touching the low water probe Yes Excessive boil time Humidifier continues to add water when there is no demand signifying humidifier is continuing to make steam Humidifier is put into a keep cool sta...

Страница 49: ...e unit Regularly scheduled unit servicing is due No Drain pending Auto drain flush will occur at next scheduled time Yes Temp comp on Humidifier output has been reduced because temperature compensatio...

Страница 50: ...le input is open P20 input on control board A red Status LED blink indicates there is an active fault preventing the unit from operating These conditions can be viewed as alerts through the Vapor logi...

Страница 51: ...us Demand call for humidification Green Auto mode no faults Touchscreen display is attached and working Humidification demand is present Yellow Auto mode active message preventing unit from running Re...

Страница 52: ...the Touchscreen is in sleep mode The color indications are similar to those for the Vapor logic LED but it does not have a three blink sequence Table 48 2 Touchscreen LED indicators LED Indicator Mode...

Страница 53: ...en multiplied by its corresponding gain factor These gain factors are the setup variables you have access to from the Settings menu By making a gain factor larger you increase its overall influence on...

Страница 54: ...t point the demand decreases slightly The amount it increases or decreases depends on the magnitude of the RH error and the integral gain value The closer you are to the set point the smaller the addi...

Страница 55: ...erm in the PID equation is the PID band The PID band defines the range of measured RH values F C for dew point control where the PID loop is in operation The PID loop is in operation when the measured...

Страница 56: ...large integral gain Ki quickens the system response but may cause it to oscillate and become unstable A small integral gain yields tighter more stable control at the expense of a long response time T...

Страница 57: ...gic heating outputs are disabled this provides low water protection for the heating outputs If Vapor logic detects water on the top probe Vapor logic will assume there is foam and a foam drain will st...

Страница 58: ...sequence can occur must be defined This means that once the Usage requirement is met the automatic drain sequence can occur on the first allowed day allowed days default is all days Last time of day w...

Страница 59: ...gh limit transmitter operates in conjunction with the room duct controlling transmitter or demand signal through the Vapor logic control system to prevent excess humidification in the duct Vapor logic...

Страница 60: ...ontrol option is available only when the system is equipped with an RH transmitter It is not available when a remote humidistat dew point transmitter or building automation system is used to control t...

Страница 61: ...from freezing in cold environments Unlike aquastat if a condition exists that prevents the heaters burners and valves from firing such as an alarm an external interlock switch is open or the humidifie...

Страница 62: ...en closes If the humidifier receives a call for humidity after the ten hour end of season drain down period has begun the controller stops the end of season draining the tank refills and the humidifie...

Страница 63: ...y alert will appear in the Alert Log on the touchscreen and in the Message Log of the Web interface SECURITY PASSWORD To control who can change Vapor logic settings enable the security function and de...

Страница 64: ...1 567023681 421070 23 1 26 10 9 39 AM low water cutout Auto cleared message 1 26 10 9 40 AM 23 0 210 567028344 421073 23 1 26 10 9 41 AM 23 0 211 567030677 421075 23 1 26 10 9 42 AM 23 0 212 567033008...

Страница 65: ...updates are available at no charge on the DriSteem website One download from the DriSteem web site will give you all files needed to update both Vapor logic and the touchscreen display To update your...

Страница 66: ...window appears click the Save button Note Your browser and operating system might be set up differently the screenshots are provided as a general road map 2 When prompted for a save location choose yo...

Страница 67: ...on in the WinZip Self Extractor window A WinZip window opens to confirm that the firmware update has been unzipped 8 Click the OK button 9 Click the Close button to close the WinZip Self Extractor win...

Страница 68: ...ins immediately and takes up to 1 minute Wait for the relay on the Vapor logic board to begin clicking continuously The water probe LEDs on the board will blink occasionally during the update process...

Страница 69: ...he test run section of the Settings menu Set system demand percent and set test run time duration During testing the humidifier mode changes to Standby and the tank status changes to Test Table 65 1 T...

Страница 70: ...off power to the unit 2 Touch the unit s bare metal frame before handling the LON ProtoCessor module and hold onto frame while handling the module 3 While handling the module hold it by the edge Avoid...

Страница 71: ...6 AI 06 nvoAuxTemp Temperature of auxiliary temperature sensor F C 20 to 160 29 to 170 Water_temp RO IR 7 30007 AI 07 nvoTankTemp Temperature of the water in the humidifier s evaporating chamber F C 2...

Страница 72: ...ercent 0 to 100 0 to 100 Setup variables Run_mode Write HR 1 40001 MSV 01 nviRunMode Mode of the unit or system The defined options are 1 Auto 2 Local standby 3 System standby 4 Manual drain 1 to 4 1...

Страница 73: ...a the fieldbus as a percentage of the humidifier s total capacity 0 to 100 0 to 100 PID_band RW HR 7 40007 AV 10 nciPIDband PID band 0 to 50 0 to 50 PID Kp RW HR 8 40008 AV 11 nciPIDkp PID Kp proporti...

Страница 74: ...BI 02 nvoDuctHLswitch 0 Open 1 Closed Safety_interlock RO DI 3 10003 BI 03 nvoSafetyI lock 0 Open 1 Closed Combustion_air_damper_ RO DI 4 10004 BI 04 nvoCombustAirDmp 0 Damper Closed 1 Damper Open Flu...

Страница 75: ...nvoAlrmTnkTmpSen See Table 49 1 Alarms menu Tank overtemp Unit reboot required RW DV 6 6 BV 06 nvoAlrmOvertemp Signal at RH input out of range RW DV 7 7 BV 07 nvoAlrmRHsignal nvoAlrmDewPtSgnl nvoAlrmD...

Страница 76: ...units SI units Faults and alarms continued Burner 2 fault RW DV 21 21 BV 21 nvoAlrmBurner2 See Table 49 1 Alarms menu Ignition module 1 fault RW DV 24 24 BV 24 nvoAlrmIgnitMod1 Ignition module 2 faul...

Страница 77: ...1 BV 41 nvoMsgNoDuctAir Interlock open RW DV 42 42 BV 42 nvoMsgIlockOpen Freeze drain RW DV 43 43 BV 43 nvoMsgFreezDrain End of season drain active RW DV 44 44 BV 44 nvoMsgEOSactive Temp comp on RW DV...

Страница 78: ...ifier in the multi tank group Maximum cable length from the touchscreen to any control board in the multi tank group is 500 152 m Note Multi tank groups can also be operated using the Web interface Se...

Страница 79: ...erformance multiple electric humidifiers in a given priority group must all have the same heater controls That is they should all be 100 SSR control or all be sequenced SSR control or all be contactor...

Страница 80: ...unit can be used 3 Redundant Provides the capability to offset a tank that is offline for any reason This tank will only run when a trim load or peak unit is shut down for service or alarm conditions...

Страница 81: ...last board in the series of connected boards jumper the pins at J1001 located on the Vapor logic board next to the RJ11 phone socket see Page 5 On all other boards J1001 should not be shunted 4 If yo...

Страница 82: ...Multi tank Settings menu The controller will automatically calculate the new system capacity Important Each tank in a multi tank system must have a unique tank designator A B C P Duplicate tank design...

Страница 83: ...cribed below appear when operating in multi tank mode Each connected tank automatically shows up as a link Click on a tank link to view its status Important All system tanks must be network connected...

Страница 84: ...low humidity high humidity etc Alerts Log items if applicable Example Tank temp probe wiring etc Time issue began Example Always after remodel after a change in weather etc System changes Example Pre...

Страница 85: ...ouchscreen display does not energize Nonexistent supply voltage to unit Check main fuse Check main line safety switches Check heater fuses Nonexistent 24 VAC supply to Vapor logic board Check for prop...

Страница 86: ...Alert Demand signal out of range Alert Duct RH signal out of range Alert Aux temp sens out of range Alert No SDU airflow SDU blower or airflow proving switch is incorrectly wired Check SDU for proper...

Страница 87: ...d Check arrow direction on valve or In should be visible on fill valve body Excessive water hammer can bend a needle valve and make it difficult to open Replace valve if needed Install a water supply...

Страница 88: ...tion Recycle power to recycle fill valve closing and opening Malfunctioning level control system See below Fill valve does not close Open drain valve If automatic drain valve is locked in the manual o...

Страница 89: ...erform automatic drain sequence Automatic drain is disabled Go to Settings menu to verify that auto drain flush is enabled Drain fault plugged drain valve or plugged drain pipe Clean drain valve pipin...

Страница 90: ...g cover tripped Reset thermostat switch Humidifier cover interlock switch select models only Humidifier cover not wired adjust interlock switch Incorrect or nonexistent control voltage Check for prope...

Страница 91: ...ressure e g high duct static pressure undersized orifices in dispersion tubes water or crushed vapor hose and correct as required Replace leaking gasket or vapor hose Recalibrate if controls are out o...

Страница 92: ...ove and below desired set point Malfunctioning control system If there is a faulty or inaccurate humidity controller or transmitter repair or replace Check for proper Vapor logic control settings RH s...

Страница 93: ...on module Gas valve ignite sensing electrode is out of sequence Verify wire connections to gas valve ignitor and flame sensing rod Alert Blower number fault The blower is incorrectly wired or the blow...

Страница 94: ...isplay communication cable contact DriSteem for lengths other than 27 686 mm and 60 1524 mm 27 686 mm 408490 014 60 1524 mm 408490 009 Grip elastomeric touchscreen display 1 408494 023 Molex connector...

Страница 95: ...91 VAPOR LOGIC VERSION 6 INSTALLATION AND OPERATION MANUAL Notes...

Страница 96: ...eem s Limited Warranty shall not be effective or actionable unless there is compliance with all installation and operating instructions furnished by DriSteem or if the products have been modified or a...

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