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Overview

H u m i d i f i c a t i o n s y s t e m o v e r v i e w

Figure 3-1:
Typical humidification system layout (GTS humidifier shown)

Vapor-logic4
keypad/display

Humidifier

OM-1220

Dispersion assembly

Every humidification system with a Vapor-logic4 controller has a keypad/display connection and an Ethernet connection for
connecting to a Web interface on a computer. A GTS humidifier is shown here, with keypad/display mounted on the cabinet. Other
types of DRI-STEEM humidifiers can have the keypad/display contained within a control cabinet or mounted remotely.

Connect a computer directly to the
Vapor-logic4 board, or through a
network, to use the Web interface

Operating conditions

The Vapor-logic4 main board and keypad/display must be operated
and stored within the limits listed below. Exceeding these limits
can result in poor display performance and/or damage to the unit.

Main board
Operating temperature:

32 °F to 158 °F (0 °C to 70 °C)

Storage temperate:

-40 °F to 185 °F (-40 °C to 85 °C)

Operating humidity range: <95% noncondensing

Keypad/display
Operating temperature:

32 °F to 158 °F (0 °C to 70 °C)

Storage temperate:

-22 °F to 176 °F (-30 °C to 80 °C)

Operating humidity range: <95% noncondensing

CAUTION!

The keypad/display is not rated for plenum operation.

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Содержание Vapor-logic 4

Страница 1: ...Vapor logic 4 Humidifier Control System Installation and Operation Manual Important Read and save these instructions ...

Страница 2: ......

Страница 3: ... Setup screen 24 46 PID tuning 47 Water level control 51 Duct high limit options 53 Temperature sensor transmitter 54 Tank preheating 55 Aquastat 55 Freeze protection 56 Fan based dispersion operation 56 Sensor offsets 56 Automatic drain sequence 57 Skimming 58 End of season draining 58 Service interval 59 Setting date and time 59 Battery nonvolatile memory 59 Security password 60 Downloading hist...

Страница 4: ...1BHF JJ t 3 45 7BQPS MPHJD OTUBMMBUJPO BOE 0QFSBUJPO BOVBM ...

Страница 5: ...y conditions are met minimizing production down time USB port on Vapor logic4 allows easy firmware updates and data backup and restore capability PID control provides accurate responsive and adjustable relative humidity control Real time clock allows time stamped alarm and message tracking and accurate drain and flush scheduling Tank temperature sensor mounted on the evaporating chamber provides o...

Страница 6: ...ed diagnostics include r Test outputs function using the keypad display or Web interface to verify component operation r Test humidifier function by simulating demand to validate performance r Data collection of RH air temperature water use energy use alarms and service messages Factory commissioning of humidifier and control board guarantees a reliable fast installation minimizing field installat...

Страница 7: ...d display contained within a control cabinet or mounted remotely Connect a computer directly to the Vapor logic4 board or through a network to use the Web interface Operating conditions The Vapor logic4 main board and keypad display must be operated and stored within the limits listed below Exceeding these limits can result in poor display performance and or damage to the unit Main board Operating...

Страница 8: ...s key components of the Vapor logic4 control board See the illustration on the next page for more detail Figure 4 1 Vapor logic4 control board Power to board connection Factory connection points for drain steam valve etc USB connection Field connection points for transmitters power vent etc Field connection terminal labels have a white border Optional LonTalk module location Ethernet connection fo...

Страница 9: ...probe Top Top water probe Ground for water probe P1 24VAC Power to board Ground for power return P5 GV2 Gas valve 2 24VAC input BT2 Blower tach 2 pulse tach input GV3 Gas valve 3 24VAC input BT3 Blower tach 3 pulse tach input P6 GV4 Gas valve 4 24VAC input BT4 Blower tach 4 pulse tach input Ground for AI AI1 Analog input RTD input P7 Fieldbus Modbus or BACnet RS485 P8 DSTEEM Multi tank RS485 SW1 R...

Страница 10: ...status see Page 35 Typical Home screen One of three softkeys functions vary by screen Tank temperature Tank status Change set point from the Home screen by pressing the Up or Down arrow keys until set point is highlighted as shown here press Enter press Up or Down arrow keys to change value press Enter to confirm Message label becomes highlighted when there is a system message Change Mode from the...

Страница 11: ...ogic4 Web interface Setup screen shown Click on a tab label to move to another screen Click here to view alarms Click here to view messages To change value Highlight value type in new value DMJDL PO 11 Click on CHANGE to change value Drag scroll bar to view more of the window Click on label to expand or contract menu item ...

Страница 12: ...the same 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 with a bare drain wire for grounding Connect the shield screen wire with a length less than 2 50 mm to the shield screen ground terminal on the electric subpanel Do not ground the shield screen w...

Страница 13: ...4VDC DHL 24VDC 24VAC AFsw N O C N C 24VDC RH Vapor logic4 board detail see also Figure 5 1 If you have a remote mounted control cabinet the water level control device thermal trip safety interlock fill valve and drain valve wiring must be minimum 18 gauge 1 mm2 stranded wire run in a conduit separate from power wires Do not use shielded screened cable for water level control devices When the contr...

Страница 14: ...ched to the humidifier and connected to the Vapor logic4 board Installing Vapor logic4 is a three step process 1 Connect field wiring from device to Vapor logic4 board See instructions beginning on Page 12 Note that some connections listed here may not apply to your system r POUSPM JOQVU one required RH or dew point transmitter Demand signal by others 4 20 mA or 0 10 VDC typical Room or duct humid...

Страница 15: ...D BOE PS SFMBZ r SFB UZQF PS 4 6 EJTQFSTJPO GBOT r 54 DPNCVTUJPO BJS TXJUDI BOE QPXFS WFOU 2 Complete the Setup process See instructions beginning on Page 24 3 Start up humidifier s See instructions beginning on Page 33 Refer to the Pre installation Checklist and drawings on the previous pages and then make the field wiring connections as described on the following pages Installation proc es s ...

Страница 16: ...so delivers a demand signal to the humidifier but it is not typically used with Vapor logic4 Humidistats provide either on off control or modulating control DRI STEEM humidistats are powered by a 24 VDC supply provided by the Vapor logic4 control board When using modulating control the signal from a humidistat directly controls the amount of output from the humidifier Notes r 4FF UIF XJSJOH EJBHSB...

Страница 17: ...5 7BQPS MPHJD OTUBMMBUJPO BOE 0QFSBUJPO BOVBM t 1BHF Installation Figure 13 1 Vapor logic4 control input wiring connections Field wir ing Control input Signal by others Transmitter On off RH humidistat Key ...

Страница 18: ...ransmitter Connect wiring for a duct high limit switch or transmitter by inserting wires into the terminal block plug at P13 labeled DHL and 24vdc per the wiring diagram on the previous page Tighten screws maximum torque is 3 in lb 0 34 N m Note The duct high limit sensor connected at this location can be an on off high limit switch or it can be a duct high limit transmitter with an adjustable hig...

Страница 19: ...nstallation Figure 15 1 Vapor logic4 limit controls wiring connections Field wir ing Limit cont rols Airﬂow switch Duct high limit not used on SDU or Area type Temperature compensation transmitter or auxiliary temperature sensor Key In a duct When using an SDU ...

Страница 20: ...re 16 2 Position the temperature compensation sensor control box on a wall adjacent to a window frame facing north or northeast 2 Place the flat surface of the temperature sensor tip on the lower corner of glass surface 3 Temporarily hold the sensor tip in place with strips of masking tape 4 Apply a small amount of clear RTV silicone adhesive over and around the sensor tip making sure the sensor t...

Страница 21: ...on so that the provided cable is long enough to connect the keypad display to the Vapor logic4 board If a longer keypad display cable is needed order a replacement cable from DRI STEEM see the replacement parts section of this manual or use a four conductor straight through cable or a six conductor crossover cable connected to an RJ11 jack CAUTION Maximum cable length is 500 152 m Note required op...

Страница 22: ...1BHF t 3 45 7BQPS MPHJD OTUBMMBUJPO BOE 0QFSBUJPO BOVBM Installation Figure 18 1 Vapor logic4 communication wiring connections Fi el d wi ri n g C o mmu n i cati on co n n ecti o n s Key Communication ...

Страница 23: ...ting to the humidifier using the Web interface Connecting Web interface directly to a computer not on a network 1 Connect the Ethernet cable Insert the male end of an RJ45 Ethernet cable into the Vapor logic4 board at P9 labeled Ethernet see Figure 19 1 until you hear a click sound Insert the other end of the cable into a computer Since the Ethernet port on the Vapor logic4 board is auto sensing e...

Страница 24: ...he humidifier to match your computer The most straightforward way to change the IP address of the humidifier using Vapor logic4 is to use the keypad display Go to Setup Communications Network IP address on the keypad display and change the IP address such that the first three segments of the computer s settings match the network address Make sure the last digit of the IP address is different betwe...

Страница 25: ...ng with your IT department before network connection will help ensure the integrity of the network and the devices on that network If your network uses DHCP Dynamic Host Configuration Protocol use the keypad display to navigate to Setup Communications Network IP Address Enable DHCP and restart the Vapor logic4 board CAUTION When DHCP is enabled the server can dynamically change the IP address of V...

Страница 26: ... into the terminal block plug at P12 labeled N O C and N C per the wiring diagram on the previous page Tighten screws maximum torque is 3 in lb 0 34 N m This connection allows remote activation of a device such as a fan or signal light Output parameters are defined during Step 2 of the installation process CAUTION Programmable relay dry contact P12 is rated for 10 Amp maximum Exceeding this maximu...

Страница 27: ...on Unit 24 VAC output Field wir ing Area type SD U c ombus ti on ai r power vent Area type and SDU dispersion fans Connect wiring for Area type and Space Distribution Unit SDU dispersion fans by inserting the wire into the terminal block plug at P16 labeled SDU Tighten screws maximum torque is 3 in lb 0 34 N m 54 DPNCVTUJPO BJS TXJUDI BOE QPXFS WFOU PQUJPOBM Connect wiring for GTS combustion air s...

Страница 28: ...d until Setup is highlighted Press Enter After entering the Setup menu press the Up and Down arrows to scroll through all setup parameters or to change values Use the Enter key to select parameters Figure 24 1 Keypad display screens A indicates that these settings apply to Tank A All humidifier tanks are labeled as A except in applications where multiple humidifiers are controlled by one controlle...

Страница 29: ... address instructions Follow the instructions below to complete the setup process OTUBMMBUJPO 4U FQ 4FU VQ Figure 25 1 Using the Vapor logic4 Web interface Setup screen shown Click on a tab label to move to another screen Click here to view alarms Click here to view messages To change value Highlight value type in new value DMJDL PO 11 Click on CHANGE to change value Drag scroll bar to view more o...

Страница 30: ...humidifier 0 11 11 C PID tuning Dew point PID band 10 1 20 F 5 1 20 C Proportional gain 80 0 1000 Integral gain 40 0 1000 Derivative gain 0 0 1000 Demand signal VDC signal VDC signal enabled No FT 0 output at 1 0 0 0 Maximum VDC 100 output at 9 0 Minimum 10 0 VDC mA signal mA signal enabled No FT 0 output at 4 0 0 0 Maximum mA 100 output at 20 0 Minimum 20 0 mA Control via Modbus Choose Modbus BAC...

Страница 31: ...point 80 5 95 RH Duct HL span 5 0 20 RH Span throttle span is an offset below the high limit set point where the humidifier reduces output but does not turn off until the device high limit set point is reached Duct HL offset 0 20 20 RH Water type Potable enabled No FT CAUTION Changing the water type setting from potable or softened to DI RO or from DI RO to potable or softened requires humidifier ...

Страница 32: ...cific 0 2 200 000 lbs Select amount of water to be converted to steam before auto drain flush starts 0 1 000 000 kg Schedule enabled Allowed days Select days of week auto drain flush is allowed once usage requirement is met Sunday FT No FT Monday FT No FT Tuesday FT No FT Wednesday FT No FT Thursday FT No FT Friday FT No FT Saturday FT No FT Time to drain flush 0 0 23 Select time of day 24 hour cl...

Страница 33: ... water to boiling after a call for humidity Aquastat enabled No FT Aquastat set point 50 40 180 F 10 4 82 C Service interval Service interval Model specific 0 2 200 000 lbs Select amount of water to be converted to steam before service interval is met Model specific 0 1 000 000 kg Fan based dispersion CAUTION Changing fan based dispersion settings can require component changes for system to operat...

Страница 34: ... temperature compensation sensor Temp sensor offset 0 20 20 F 0 11 11 C Communications CAUTION Changing communications settings can require component changes for system to operate correctly BACnet BACnet enabled No FT BACnet baud rate 38400 9600 76800 BACnet address 99 0 255 Modbus Modbus enabled No FT Modbus baud rate 9600 4800 38400 Modbus address 99 0 255 LonTalk LonTalk enabled No FT Network I...

Страница 35: ...y contact activates when the tank temperature reaches boiling 24 VAC triac CAUTION Programmable triac P16 is rated for 4 Amp maximum Exceeding this maximum rating can cause the triac component on the Vapor logic4 board to fail All alarms No No FT A triac activates whenever there is an alarm Selected alarms messages No No FT A triac activates whenever there are alarms or messages selected from the ...

Страница 36: ... logic4 remains in read write mode before returning to read only mode Capacity adjust Capacity calibration 100 0 0 0 245 0 CAUTION Changing the capacity calibration setting changes reported not actual humidifier output information Idle time Idle time 5 1 120 Minutes Select number of minutes keypad display remains idle before returning to the Home screen Reset to defaults Reset to defaults Select t...

Страница 37: ...MPHJD OTUBMMBUJPO BOE 0QFSBUJPO BOVBM t 1BHF Installation Start up To start up your humidifier go to the Start up Checklist in your humidifier tank s installation operation and maintenance manual OTUBMMBUJPO 4U FQ ...

Страница 38: ...T r MBSNT r 4FUVQ r FMQ Click on tab labels to go to other screens The highlighted tab indicates the current screen Press the Main softkey to go to Status Diagnostics Alarms or Setup screens tics p Figure 34 1 Using the keypad display Press the Up or Down arrow keys to choose a submenu or change a value Press the Enter key to select a submenu or value Click on a tab label to move to another screen...

Страница 39: ...ing off precipitated minerals Potable and softened water systems only r SBJOJOH Tank is draining r MVTIJOH Fill and drain valve are open to flush tank Potable and softened water systems only r FBUJOH Water in tank is heating r PJMJOH Water in tank is boiling and there is a demand for humidity r PU Water is at boiling temperature and there is no demand for humidity r 8BSN Water temperature is equal...

Страница 40: ...ms Tank status Figure 36 1 Keypad display screens MAIN BACK 2 24 A TANK STATUS HOME Auto Space RH 34 RH Mode MAIN BACK 3 24 A TANK STATUS HOME 34 RH RH set point 35 RH Space RH A indicates these settings apply to Tank A All humidifier tanks are labeled as A except in applications where multiple humidifiers are controlled by one controller 1 4 indicates the highlighted item is the first of four ite...

Страница 41: ...y mode and therefore demand is 0 for all humidifiers in the multiple tank system t O Drain tank 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 t 4FF UIF JBHOPTUJDT TFDUJPO GPS JOGPSNBUJPO BCPVU Test outputs and Test run modes Space RH 0 100 RH set point 35 ...

Страница 42: ...000 counts Low water probe No water Water DI low water switch No water Water Airflow switch Flow No flow Interlock switch Open Closed Water until drain flush 0 2 200 000 lbs Displays amount of water to be converted to steam before automatic drain sequence ADS can begin 0 1 000 000 kg Water until service 0 2 200 000 lbs Displays amount of water to be converted to steam before next recommended maint...

Страница 43: ...wn For example a No airflow message appears when there is no airflow in the duct If airflow returns the No airflow message auto clears but stays in the Messages Log per the rules described above to let the operator know there was an airflow interruption The keypad display highlights the Message softkey label when there is a system message When this occurs press the Message softkey to view the Mess...

Страница 44: ...peration Th e Di agn o sti cs screen Figure 40 1 Vapor logic4 Web interface Diagnostics screen View messages by clicking on View Messages on any screen or by opening the Diagnostics screen Clear messages by clicking here Click on buttons to activate functions ...

Страница 45: ...ore Back up settings No FT Humidifier settings can be backed up to or restored from a USB flash drive Restore settings No FT Humidifier info Factory string Displays as shipped configuration string Current string Displays current configuration string Serial number Displays humidifier serial number Firmware version Displays current firmware version of Vapor logic4 control board Test outputs Fill val...

Страница 46: ...wer speed control Power vent control Steam valve Test run Test run percent 0 0 100 Set demand percent value between 0 and 100 to test Test run time 0 0 30 minutes Set test run time duration between 0 and 30 minutes Start Stop Note Humidifier test run will not occur if safety circuits for example duct high limit switch airflow proving switch or safety interlock switch are not operating correctly PV...

Страница 47: ...isen above the high limit set point or high limit switch has opened FT Duct HL span Duct high limit humidistat has entered the throttle span range and is approaching duct high limit set point FT No fieldbus sig There is no signal at the BACnet or Modbus field connection on the Vapor logic4 board FT Insufficient water The low water probe is not in contact with water when there is a demand for humid...

Страница 48: ...y cleared alarms The Alarms Log holds 30 alarms As alarms are cleared they move down the list below active alarms When the Alarms list reaches 30 alarms new alarms add to the top of the list and the oldest cleared alarms leave the list Alarm information is retained in nonvolatile memory if the Vapor logic4 board loses power See the table on the next page for alarms and their descriptions Alarm cau...

Страница 49: ... distribution unit a fan based dispersion assembly indicates no airflow No steam is produced while alarm is active FT No power vent airflow Pressure switch indicates there is no airflow at the power venter FT No combustion airflow Switch indicates the combustion air damper is closed FT Blocked flue Flue pressure switch indicates positive pressure in flue GTS will not ignite when this fault is acti...

Страница 50: ... initial installation but can also be used for making changes or adjustments as needed during operation Note that while all parameters can be changed many changes also require a corresponding hardware change Vapor logic4 firmware will warn you of this during the setup process See the Pages 24 32 for more information about the Setup screen Th e Setup screen ...

Страница 51: ...e added together to determine the overall demand percentage The proportional term The proportional term is the difference between the RH set point and the actual humidity multiplied by the proportional gain For example with a Kp of 80 and the actual humidity 5 below the RH set point the proportional contribution to the demand is 5 80 0 085 33 the 0 085 is an internal scalar used to increase the us...

Страница 52: ... above set 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 addition or subtraction When looking at this control scheme an interesting pattern occurs The total demand signal for the humidifier is the sum of the proportional part the integral part and the ...

Страница 53: ...ontrolled term 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 RH is in the range of RH set point PID band to RH set point PID band If the measured RH is below the PID band the PID calculations are suspended and the demand is set to 100 Conversely if ...

Страница 54: ...peaking a 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 These principles can be applied in the following examples If a system eventually reaches the desired RH level but takes a long time to do so without overshooting the set point faster response ...

Страница 55: ...second delay ensures that turbulence does not cause an incorrect level reading Each time the fill valve energizes the Vapor logic4 system tests the probe system If the signal from the probe assembly begins to deteriorate the Clean probes message appears in the Messages Log Once the probe system reaches its maximum usable life the humidifier shuts down and the Faulty water probe alarm appears An ad...

Страница 56: ...justed to fill the evaporating chamber within 6 mm of the overflow port allowing heated and therefore expanded water at startup to fill the external P trap The low water cutoff float has an electrical switch that closes when a ready water condition is reached This float switch provides low water protection for the heating outputs If the water falls below the float the heating outputs are disabled ...

Страница 57: ...uct relative humidity is within a user defined percentage default is 5 of the duct high limit set point This value is called the duct high limit span and is defined during Setup When duct relative humidity enters this range a Duct HL span message appears in the Messages Log and the Message label lights on the keypad display If necessary the reduction of the humidifier output continues until maximu...

Страница 58: ...e interior window glass temperature rises above the dew point Vapor logic4 restores system control to the normal RH set point for the space and the Temp comp on message automatically clears The temperature compensation control 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 ...

Страница 59: ...afety circuits are not satisfied e g high limit or airflow proving switch The aquastat set point is adjusted through the water management section of the Setup menu This feature shortens the tank preheat time providing a rapid response to a call for humidity For example if the aquastat is set at 180 F 82 C when a call for humidity occurs the tank only needs to warm up 32 F 18 C in addition to the e...

Страница 60: ...age appears in the Messages Log and the Message softkey label becomes highlighted Fan based dispersion operation If your humidifier is equipped with a Space Distribution Unit SDU or an Area type fan it is enabled after the Vapor logic4 controller receives a call for humidity and the tank water is approaching boiling temperature When the humidifier no longer receives a call for humidity it stops he...

Страница 61: ...rain sequence begins must be defined Usage Defaults for this value are model specific and are calculated based on operating 200 hours at 100 of capacity Go to the Setup menu to view or change this setting for your humidifier Third days of the week when the automatic drain sequence can occur must be defined This means that once the Usage requirement is met the automatic drain sequence can occur on ...

Страница 62: ...tank has filled to skim minerals off the water surface The skim time is adjusted through the Setup menu End of season drain If there is no call for humidity for a user defined time period the humidifier performs an end of season EOS drain where the drain valve remains open for ten hours to allow the tank to drain and then closes If the humidifier receives a call for humidity after the ten hour end...

Страница 63: ...es Log until it is cleared or until the Messages Log adds 10 new messages the maximum number of messages the log holds Setting date and time The Vapor logic4 controller contains a real time clock that is used for several features including the drain and flush sequence and alarm logging If you need to reset the date or time go to the Setup menu The date and time will need to be reset whenever the V...

Страница 64: ...NT PG XBUFS DPOWFSUFE UP TUFBN since last reset r OFSHZ VTFE L8 IPVST PS UIFSNT VTFE TJODF MBTU SFTFU To download data go to the download data section of the Diagnostic screen Data backup and restore Vapor logic4 data can be backed up to a USB flash drive The backup file contains all information relative to the humidifier including firmware user settings model number serial number and the configur...

Страница 65: ... 16 MB of free space r BLF TVSF JU JT OPU QBSUJUJPOFE JOUP NVMUJQMF ESJWFT r 3FNPWF PS EJTBCMF QSPHSBNT UIBU FODSZQU GJMFT TUPSFE PO UIF USB flash drive 4 Copy the vl4_update folder to the root directory not into a folder of the USB flash drive In Figure 61 1 the USB flash drive s root directory is listed in the Address field The root directory has only a backslash after the colon IMPORTANT If the...

Страница 66: ...t for the keypad display and LED 2 to begin blinking then remove the USB flash drive The Vapor logic4 firmware update is now installed See Cycling power with USB flash drive inserted at left 7 Verify the update by checking the Vapor logic4 firmware version as explained in Step 1 The firmware version displayed should match the version number of the vl4vx x x file in the vl4_update folder on the USB...

Страница 67: ... testing the humidifier mode changes to Standby and the tank status changes to Test Test run Vapor logic4 has a test run capability to confirm system functionality This capability allows a technician to simulate a demand for steam production when there isn t one such as when performing routine maintenance To confirm functionality go to the test run section of the Diagnostics menu Set system demand...

Страница 68: ...trofit see Figure 64 1 1 Turn off power to the unit 2 Touch the units bare metal frame before handling module Hold onto frame while handling module 3 While handling the module hold module by edge Avoid touching the components or circuit board 4 Plug LON ProtoCessor module into mounting pins as shown with LonTalk connector at the edge of the board 5 Connect LonTalk system wires to LON ProtoCessor m...

Страница 69: ...e steam demand as a percentage of the humidifier s total capacity 0 to 100 0 to 100 Aux_temp RO IR 6 AI 06 nvoAuxTemp Read the temperature of the auxiliary temperature sensor ºF ºC 20 to 160 29 to 170 Tank_temp RO IR 7 AI 07 nvoTankTemp Read the temperature of the water in the humidifier s evaporating chamber ºF ºC 240 to 265 151 to 129 Steam_output_mass RO IR 8 AV 1 nvoSteamOutMass Read the estim...

Страница 70: ..._point Write HR 3 AV 06 nviSpaceDewPtSP Set or read the dew point set point for the space being humidified ºF ºC 20 to 80 6 to 26 Read HR 3 AV 06 nvoSpaceDewPtSP ºF ºC 20 to 80 6 to 26 Duct_high_limit_set_point Write HR 4 AV 07 nviDuctHLsetPt Set or read the duct high limit set point 0 to 100 0 to 100 Read HR 4 AV 07 nvoDuctHLsetPt 0 to 100 0 to 100 Fieldbus_demand_mass Write Only HR 5 AV 08 nviFb...

Страница 71: ...Open Drain_valve RO DI 9 BO 02 nvoDrainValve 0 Not Draining 1 Draining Faults and alarms Active_messages_exist RO DV 1 BV 01 nvoMessages Flags all active messages Active_auto_cleared_alarms_ exist RO DV 2 BV 02 nvoAlarms1 Flags all auto cleared alarms Active_manually_cleared_ alarms_exist RO DV 3 BV 03 nvoAlarms2 Flags all manually cleared alarms Clear_all_faults RW DV 4 BV 04 nviClearAllFaults Wh...

Страница 72: ...lrmBlockdFlu Alarm_burner_1_failed RW DV 20 BV 20 nvoAlrmBurner1 Alarm_burner_2_failed RW DV 21 BV 21 nvoAlrmBurner2 Alarm_burner_3_failed RW DV 22 BV 22 nvoAlrmBurner3 Alarm_burner_4_failed RW DV 23 BV 23 nvoAlrmBurner4 Alarm_ignition_module_1_ failed RW DV 24 BV 24 nvoAlrmIgnitMod1 Alarm_ignition_module_2_ failed RW DV 25 BV 25 nvoAlrmIgnitMod2 Alarm_ignition_module_3_ failed RW DV 26 BV 26 nvoA...

Страница 73: ... 41 BV 41 nvoMsgNoDuctAir Message_interlock_open RW DV 42 BV 42 nvoMsgIlockOpen Message_freeze_prevent_ draining RW DV 43 BV 43 nvoMsgFreezDrain Message_end of season_ active RW DV 44 BV 44 nvoMsgEOSactive Message_temp_comp_on RW DV 45 BV 45 nvoMsgTempCompOn Message_clean_probes RW DV 46 BV 46 nvoMsgCleanProbe Message_duct_HL_trip RW DV 47 BV 47 nvoMsgDuctHLtrip Message_duct_HL_span RW DV 48 BV 48...

Страница 74: ...the Vapor logic4 keypad or the Web interface There is one Vapor logic4 keypad per multi tank group This keypad ships attached to the tank with the master control board The keypad or Web interface can be connected to any humidifier in the multi tank group or to a separate master controller that is not tank mounted Maximum cable length from the keypad to any control board in the multi tank group is ...

Страница 75: ...assigning master controller status to the redundant tank in a multi tank group reduces system down time while the master controller tank receives servicing Tank wear leveling The master controller monitors tank wear and assigns steam production to tanks to equalize wear as much as possible within the multi tank group Fault tolerance All tanks in a multi tank group periodically send a status messag...

Страница 76: ... ships connected to the keypad display The master controller is labeled as Tank A on the keypad display 2 Connect all required control inputs to the master controller board by following the instructions in the installation wiring section of this manual 3 Wire all control boards of the multi tank group together using twisted pair wire Connect controller boards together at terminal block P8 Connect ...

Страница 77: ...e screen See the screens below for information about display screens in a multi tank system Multiple t ank oper at ion MESSAGE ALARM SET PT SPACE RH OUTPUT 0 35 34 MULTI TANK HOME TANK A Multi tank System Home screen Select other tanks in the multi tank system here Tank A screen always shows system parameters MAIN MESSAGE ALARM 173 F OUTPUT DEMAND Filling MODE Auto 23 TANK B 0 Press the Main softk...

Страница 78: ...etc r 5JNF JTTVF CFHBO Example Always after remodel after a change in weather etc r 4ZTUFN DIBOHFT Example Pressure new boiler new service new controller relocation change in maintenance etc Humidifier model number ___________________________________________________________________________________ Humidifier serial number ____________________________________________________________________________...

Страница 79: ...JD ESZ DPOUBDU JT OPU switching t IFDL ESZ DPOUBDU DPOUJOVJUZ 7BQPS MPHJD terminal P12 for contact closure No readable information on keypad display t P QPXFS PS JODPSSFDU WPMUBHF UP 7BQPS MPHJD board t IFDL NBJO QPXFS TVQQMZ t 3FTFU DPOUSPM USBOTGPSNFS DJSDVJU CSFBLFS JG tripped t 3FTFU UIFSNBM DVUPVU JG USJQQFE t PX MJNJU UIFSNPTUBU JT OPU TBUJTGJFE PVUEPPS enclosure only t PEVMBS DPNNVOJDBUJPO ...

Страница 80: ...nal P13 Duct high limit signal 0 24 VDC 2 10 VDC At terminal P14 Auxiliary temp sensor or temperature compensation sensor 2 10 VDC t IFDL PVUQVU PO USBOTNJUUFS If there is no output replace transmitter Verify output is 4 20 mA Calibrate transmitter or humidistat if necessary t TPMBUJPO DPOUSPM CPBSE CZ PUIFST NBZ OPU CF DPNQBUJCMF POTVMU DRI STEEM Alarm Dew point signal out of range Alarm Demand s...

Страница 81: ...piping is not too long See instructions in the humidifier s manual t 7FSJGZ UIFSF JT B 1 USBQ JOTUBMMFE PO UIF UBOL BOE PS UIBU UIF 1 USBQ is not plugged t 7FSJGZ UIBU UIFSF JT B NBDIJOF HSPVOE CFUXFFO DPOUSPM DBCJOFU and humidifier tank t JSUZ PS PYJEJ FE QSPCFT t MFBO QSPCF SFNPWJOH PYJEBUJPO BOE PS NJOFSBMT PS SFQMBDF JG needed t SBJO UBOL XBUFS UP CFMPX UIF QSPCF SFTFU TZTUFN BOE SFTUBSU t FUF...

Страница 82: ... WBMWF NBZ CF QMVHHFE t 4FSWJDF WBMWF TUSBJOFS BOE PSJGJDF BTTFNCMZ t SBJO WBMWF MFBLJOH XBUFS t 7FSJGZ ESBJO JT JO UIF VUP QPTJUJPO BOE JT DMPTFE t JTTJOH QSPCF SPE t 3FQMBDF NJTTJOH QSPCF SPE JG QPTTJCMF PUIFSXJTF SFQMBDF QSPCF rod assembly Tank is full t 1SPCF JT NBMGVODUJPOJOH t MFBO PS SFQMBDF QSPCF t 8BUFS DPOEVDUJWJUZ JT MPX 4UBOEBSE XBUFS VOJUT SFRVJSF XBUFS DPOEVDUJWJUZ UP CF 4 DN minimum...

Страница 83: ...ill valve does not close t 0QFO ESBJO WBMWF t G BVUPNBUJD ESBJO WBMWF JT MPDLFE JO UIF NBOVBM PQFO QPTJUJPO reset to automatic t 3FQMBDF WBMWF JG UIFSF JT B CSPLFO SFUVSO TQSJOH PO UIF ESBJO WBMWF t MFBO PS SFQMBDF ESBJO WBMWF JG BO PCTUSVDUJPO JO UIF WBMWF EPFT not allow complete closure t MPTF NBOVBM ESBJO WBMWF JG JU JT PQFO t G 7BQPS MPHJD TIPSUFE PVUQVU UP GJMM WBMWF DPJM SFQMBDF CPBSE PS dra...

Страница 84: ...O QJQJOH TJ F and pitch requirements Unit does not perform automatic drain sequence t VNJEJGJFS NBZ OPU IBWF BVUPNBUJD ESBJO system or automatic drain is disabled t OTQFDU VOJU UP WFSJGZ UIBU BO BVUPNBUJD ESBJO WBMWF XBT GVSOJTIFE t P UP 4FUVQ NFOV UP WFSJGZ UIBU BVUP ESBJO GMVTI JT FOBCMFE t SBJO GBVMU QMVHHFE ESBJO WBMWF PS QMVHHFE drain pipe t MFBO ESBJO WBMWF QJQJOH t BMGVODUJPOJOH BVUPNBUJD E...

Страница 85: ...FOTPS t 3FQMBDF TFOTPS Reduced or no output even though water level is correct Electric units t FBUFS NBMGVODUJPOJOH t 7FSJGZ UIBU QSPQFS WPMUBHF JT CFJOH BQQMJFE UP IFBUFST t 7FSJGZ IFBUFS BNQFSBHF NBUDIFT XJSJOH EJBHSBN t G IFBUFS DPOUBDUPS JT OPU GVODUJPOJOH SFQMBDF Electric units t BMGVODUJPOJOH DPOUSPM TZTUFN t IFDL JG IFBUFS GVTFT BSF CMPXO BOE SFQMBDF JG SFRVJSFE t IFDL JG BVYJMJBSZ MJNJU D...

Страница 86: ...FOUJOH TZTUFN BOE DPNCVTUJPO EBNQFST t 7FSJGZ XJSJOH BOE DPOOFDUJPOT PO TXJUDIFT BSF QSPQFSMZ connected t ODPSSFDU PS OPOFYJTUFOU DPOUSPM WPMUBHF t IFDL GPS QSPQFS TVQQMZ WPMUBHF PO FMFDUSJDBM EJBHSBN t 7FSJGZ QSPQFS USBOTGPSNFS WPMUBHF DIBSBDUFSJTUJDT t 7FSJGZ QSPQFS XJSJOH PG USBOTGPSNFS t IFDL GPS DPOUSPM DJSDVJU WPMUBHF PO FMFDUSJDBM EJBHSBN G WPMUBHF is not present troubleshoot boards and wir...

Страница 87: ...LFU PS WBQPS IPTF t 3FDBMJCSBUF JG DPOUSPMT BSF PVU PG DBMJCSBUJPO t G GJMM WBMWF JT TUVDL PQFO SFQBJS PS SFQMBDF t G POF WBMWF XJMM OPU PQFO SFQBJS PS SFQMBDF t P DBMM GPS IVNJEJUZ GSPN IVNJEJTUBU PS GSPN control and high limit humidity transmitters t OUFSDPOOFDUJOH TUFBN QJQJOH UP UIF EJTQFSTJPO BTTFNCMZ JT UPP long and or uninsulated do not insulate steam hose t PX PS OP TJHOBM TUSFOHUI GSPN IV...

Страница 88: ...set point t BMGVODUJPOJOH DPOUSPM TZTUFN t G UIFSF JT B GBVMUZ PS JOBDDVSBUF IVNJEJUZ DPOUSPMMFS PS USBOTNJUUFS repair or replace t IFDL GPS QSPQFS 7BQPS MPHJD control settings RH set point high limit set point cycle rate PID tuning etc t 3FMPDBUF QPPSMZ MPDBUFE DPOUSPM DPNQPOFOUT 4FF IVNJEJUZ DPOUSPM placement information in Appendix B recommendations t 0O 443 VOJUT POUSPM XJSF BOE QPXFS XJSFT NV...

Страница 89: ...JT UPP MPX t 7FSJGZ PVUMFU QSFTTVSF JT TFU QFS SBUJOH QMBUF t MPXFS JOMFU JT EJSUZ PS PCTUSVDUFE t MFBO JOMFU BOE DIFDL GPS PCTUSVDUJPOT t MBNF TFOTPS OPU TFOTJOH GMBNF t IFDL GMBNF TFOTPS XJSJOH t IFDL QPMBSJUZ BU JODPNJOH QPXFS 4XJUDI JG OFDFTTBSZ t 4USBZ GJCFS GSPN CVSOFS UPVDIJOH GMBNF TFOTPS 6TF B TDSFXESJWFS to gently push down fibers near flame sensor t MBNF TFOTPS JT DSBDLFE 3FQMBDF t 1PMB...

Страница 90: ... of plastic cover 1 408495 010 Keypad display communication cable contact DRI STEEM for lengths other than 27 686 mm and 60 1524 mm 27 686 mm 408490 014 60 1524 mm 408490 009 Molex connector plug 2 position 1 406246 002 Molex connector plug 3 position 1 406246 003 Molex connector plug 4 position 1 406246 004 LonTalk card 1 408642 BACnet MSTP 1 191515 Figure 86 1 Vapor logic4 replacement parts Main...

Страница 91: ...h as an electric element humidifier contactors for each heat stage are pulled in one at a time with a one second delay between them In applications with a variable output stage such as a GTS humidifier the outputs are ramped up until they reach 100 Modulating demand signal control With modulating demand signal control a modulating humidistat or a building automation system sends a signal to the Va...

Страница 92: ...EM the signal is 4 to 20 mA which corresponds to 0 to 100 RH The Vapor logic4 controller employs an internal PID loop that uses this humidity measurement along with a user defined humidity set point to calculate a demand level This demand level is the level at which the humidifier will run For more information about the PID control loop see Page 47 Ap p en d i x C o n trol i n p u t si g n al s Ca...

Страница 93: ...windows door passageways or areas of stagnant airflow Best location for duct high limit humidistat or humidity sensor Appendix Sensor plac ement Figure A 3 1 Recommended sensor location Outside air Relief air Return air Air handling unit 8 to 12 2 4 m to 3 7 m min Humidifier dispersion assembly Turning vanes Temperature compensation option Place a temperature compensation sensor on the lower corne...

Страница 94: ... FT Electric motorized 300 000 136 100 30 000 13 600 45 1 30 90 300 000 136 100 DI RO No Ball N A N A N A N A N A N A N A N A 600 000 272 200 FT Electric damper N A N A N A N A N A N A N A 35 600 000 272 200 GTS 500 Potable FT Electric motorized 45 000 20 400 45 000 20 400 65 2 45 130 375 000 170 100 Softened FT Electric motorized 375 000 170 100 45 000 20 400 65 2 45 130 375 000 170 100 DI RO No ...

Страница 95: ... 3 45 7BQPS MPHJD OTUBMMBUJPO BOE 0QFSBUJPO BOVBM t 1BHF Notes ...

Страница 96: ...er replacement for electrode steam humidifiers DRI STEEM s Limited Warranty shall not be effective or actionable unless there is compliance with all installation and operating instructions furnished 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 impro...

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