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Figure 20-1: Example of proper shielding techniques when
connecting humidity or temperature devices to VAPOR-LOGIC

control inputs

IMPORTANT: Consult control cabinet wiring diagram. Control changes require wiring and programming changes.

Note: The wiring diagram (found on the inside of the humidifier
control cabinet) will show the proper controls wiring.

Wiring of sensing devices.

Installation

Installation:

Wiring of sensing devices

OM-VL3-17

VL3-IOM-0301-METRIC.pdf 24

11/19/2009 9:22:38 AM

Содержание Vapor-logic3

Страница 1: ...Read and save these instructions VAPOR LOGIC 3 Installation and operation manual Microprocessor based humidifier control system...

Страница 2: ...ibutor or call 44 1280 850122 or fax 44 1280 850124 If you have questions first review Pages 54 70 which describe typical problems and solutions and also list information you will need to give us if y...

Страница 3: ...device installation 22 Changing control input 23 Table of contents Operation Start up checklist 24 25 Keypad display overview 26 Menu structure 27 Set Up menu information 28 Keypad display readouts 2...

Страница 4: ......

Страница 5: ...seamless integration with building management systems You will find no other controller in the humidifier market able to provide such functionality ease of use and accurate RH control Control mode opt...

Страница 6: ...troller password protection of setup parameters wall mounting with a standard telephone plate flush mounting or hand held options Tank temperature sensor preheats tanks for uninterrupted operation sen...

Страница 7: ...rain valve Fill valve Control inputs Water level control input 2mm 6 mounting holes 90 RJ 11 Cable keypad RJ 45 Cable network Power indicator Service indicator Analog output 89 5 Control inputs To rem...

Страница 8: ...terminal 35 is common J8 Connector receives necessary continuity input signals from water detection devices Probe system water level detection Terminal 30 detects maximum water level from top probe r...

Страница 9: ...esistance 249 Ohms terminal 22 proportional signal terminal 23 signal ground V Volts DC 0 15 volt range Used with any control humidistat 0 15V DC Terminal 21 provides positive 21 VDC supply terminal 2...

Страница 10: ...mperature sensor into the VAPOR LOGIC3 control Terminal 18 has no connection J26 Wire terminal connector receives the necessary signal from the controlling RH sensor Terminal 21 Positive polarity 21 V...

Страница 11: ...1 3 and 5 supply the 24 VAC Terminals 2 4 and 6 provide the 24 VAC common J9 Wire terminal connection provides optically isolated connections for the gas valve feedback Terminals 7 and 9 provide 24 V...

Страница 12: ...Three tank system 4 Four tank system 5 Five tank system 6 Six tank system D Digital display keypad features 1 Single keypad E Type of outputs 0 4 0 Steam valve 100 SSR 1 One heat stage 2 Two heat stag...

Страница 13: ...de nomenclature Program code example A English B HUMIDI TECH C One tank system D Single keypad E One heat stage F 21 5 kg hr capacity G Standard water with autodrain H TP operating mode I No VAV optio...

Страница 14: ...ve 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 DRI STEEM s l...

Страница 15: ...wires near the line voltage section of the control cabinet or in the same conduit as line voltage wires q Never use shielded cable for water level probe wiring q Attach the heater machine ground lug...

Страница 16: ...ms are erratic operation or intermittent operational problems Most noise problems can be prevented by using proper wiring practices and techniques to prevent coupling or inducing of electrical interfe...

Страница 17: ...r wire Belden No 88760 with cable shielding and drain wire for grounding Return all shielded cable connections to the control cabinet for grounding Do not ground shield at the device end IMPORTANT Loc...

Страница 18: ...cate the control cabinet so that wire lengths are 15 m or less to the humidifier Mount control cabinet using the mounting tabs Always wire the VAPOR LOGIC3 control board per local and national electri...

Страница 19: ...modular cable IMPORTANT When routing modular cable inside the control cabinet route cable away from all power wiring and connect the male modular plug into the VAPOR LOGIC 3 printed circuit board moun...

Страница 20: ...t the actual placement must be downstream from dispersion tubes a sufficient distance to ensure steam absorption has taken place Accurate control of temperatures in rooms and ducts is also very import...

Страница 21: ...stallation Component placement Figure 17 1 System diagram 24 Volt OM 3007 ULTRA SORB dispersion unit VAPORSTREAM VLC humidifier Line voltage Liquid level detectors Electrical supply Control cabinet 24...

Страница 22: ...sation transmitter located on lower corner of the inside surface of double pane window glass B A North or northeast facing window B A B C Air handling unit AHU B Return air Relief air D Outside air Po...

Страница 23: ...vided by the VAPOR LOGIC 3 control board A variable control signal is returned to provide the modulating function on the humidifier For a pneumatic modulating signal DRI STEEM may provide a transducer...

Страница 24: ...ontrol inputs IMPORTANT Consult control cabinet wiring diagram Control changes require wiring and programming changes Note The wiring diagram found on the inside of the humidifier control cabinet will...

Страница 25: ...re 21 1 Shielded cable When this occurs the keypad display will show the message VAV output limit If necessary the reduction of the humidifier output will continue until maximum high limit set point h...

Страница 26: ...librated for 29 C to 71 C with output from 4 20 mA For example a temperature reading of 21 C should produce a measurement of 12 mA Installation Temperature compensation transmitter Installation Temper...

Страница 27: ...eeded 3 Enter the Set Up screen on the VAPOR LOGIC3 keypad and scroll to the Configuration String screen Installation Changing control input Installation Changing control input 4 Change the last chara...

Страница 28: ...in the System Set Up menu of the keypad display default is 80 q Check the integral gain setting in the System Set Up menu of the keypad display default is 40 q Check the derivative gain setting in the...

Страница 29: ...t the airflow switch is closed q Confirm that the high limit humidistat input is closed or that the variable air volume VAV control system high limit transmitter is connected q With sufficient water i...

Страница 30: ...lay overview Operation Figure 26 1 VAPOR LOGIC3 keypad display Operation Keypad display overview The menu system The VAPOR LOGIC3 keypad display software organizes the control of the humidification sy...

Страница 31: ...nlg Acknowledges the selected Alarm Soft key Clear Clears the selected Alarm 4 Set Up Soft key Main Returns to the Main Menu screen Soft key Back Scrolls to the previous Set Up item Soft key Next Scro...

Страница 32: ...p m ADS Interval Number of days 0 180 days 7 days between ADS cycles ADS Duration Autodrain sequence duration 0 120 minutes 8 minutes AFS Duration Auto flush sequence duration 0 15 minutes 8 minutes S...

Страница 33: ...has received a call for humidity and is preheating the tank Freeze Protection The tank temperature has fallen below the aquastat set point and the unit is being heated End of Season Drain The unit is...

Страница 34: ...meters of the humidification system Some of the parameters that may be displayed include RH setpoint Room RH Dewpoint setpoint Measured dewpoint Duct setpoint Duct RH Window temp System demand System...

Страница 35: ...dby Mode In Manual Drain Mode the automatic drain valve if so equipped is opened and the tank is drained All humidifier operation is suspended and the drain valve is held open until the unit is taken...

Страница 36: ...ord of the previous 10 faults that have occurred on the humidifier The alarms may either be acknowledged or cleared using the soft keys below the display If an alarm is acknowledged it will be cleared...

Страница 37: ...ur change If you press the Main soft key without first pressing one of these other keys your modification to that particular parameter will be lost Operation Set Up In the Set Up screen the operationa...

Страница 38: ...n The display would then tell you what the current input signal is in mA It would also tell you what this voltage translates to in terms of relative humidity You can then verify that the input is work...

Страница 39: ...ful for viewing historical information about your humidifier In this section you are able to view the amount of water that has been used by your humidifier and the amount of energy it has consumed Mai...

Страница 40: ...the humidifier The second line is a system status line This line will continuously scroll through any system status items that are currently present This may include depending on your system s option...

Страница 41: ...gnal calls for This signal can either be generated by a humidistat or by a building energy management system The signal that is sent to the VAPOR LOGIC3 board is a modulating signal typically 4 20 mA...

Страница 42: ...a third contactor Therefore two contactors will be full on and a third contactor will be on for 5 25 of 60 seconds or 12 seconds To minimize wear on the contactors that are cycling VAPOR LOGIC 3 keeps...

Страница 43: ...standard TP modulation is reliability With a solid state device like an SSR component wear and tear is almost nonexistent when compared with an electromechanical device such as a contactor Therefore w...

Страница 44: ...ean combustion over the entire range of the burner capacity Operation Valve and burner modulation Modulation types valves and burners Operation When individual burner demand falls below its minimum ra...

Страница 45: ...ere in the range of 20 to 80 Your set point modifications will take effect as soon as you press the Enter key or move to another parameter using the Next or Back soft keys or exit the set up menu usin...

Страница 46: ...te For example if starting with a set point of 35 and a proportional band of 10 the humidifier operation will be as follows On initial start up assume an actual humidity level of 15 The proportional b...

Страница 47: ...d the actual measured RH If the actual measured RH is below set point and is rising the derivative term will subtract from the demand in anticipation of the approaching set point If the actual measure...

Страница 48: ...is transmitter sends a signal back to the VAPOR LOGIC3 controller As the window glass temperature decreases and approaches the dew point of the room the RH set point is automatically decreased to prev...

Страница 49: ...tank temperature is 88 C At this point control will be returned to the original demand signal and the humidifier will begin normal operation This allows the system to respond quickly to even the smal...

Страница 50: ...that turbulence does not cause an incorrect level reading Figure 46 1 Conductivity probe system for GTS VLC HUMIDI TECH and CRUV Each time the fill valve is energized the probe system is tested by the...

Страница 51: ...The fill float regulates how much water is added to the tank via a float float arm and mechanical valve The valve is adjusted to within 6 mm of the overflow skimmer port allowing heated and therefore...

Страница 52: ...ill enter the drain and flush sequence at 2 00 am after 4 500 kg of water have been boiled This allows the user to keep the humidifier on line until a convenient time for the drain and flush sequence...

Страница 53: ...eason the humidifier is placed in Standby Mode The drain valve is held open for one hour to allow the tank to drain and then it is closed If the humidifier receives a call for humidity after the end o...

Страница 54: ...because the fill valve is not an electric solenoid type On a DI RO tank a mechanical fill valve maintains the proper water level This fill valve operates independently of the VAPOR LOGIC3 controller T...

Страница 55: ...rectly wired or bad VAV humidity transmitter fault VAV Tran Fault The duct humidity sensor is incorrectly wired or bad Temp comp transmitter fault Temp Trans Flt The temperature compensation sensor is...

Страница 56: ...Burner No Fault The burner failed to light after three ignition attempts Ignitor No fault Ignitor No Fault The ignition module failed to energize the gas valve Blower No fault Blower No Fault The blow...

Страница 57: ...tank systems The VAPOR LOGIC 3 controller has the ability to be connected via a LonTalk network to control up to six tank humidification systems These multiple tank systems operate in exactly the sam...

Страница 58: ...lems 3 Call us if you re still having problems If the troubleshooting guide does not help you solve your problem call us with the following information available 1 Product name program code and order...

Страница 59: ...ult Page 63 16 Temperature sensor fault Page 63 17 Thermal trip fault Page 63 18 SDU fault Page 63 19 EEPROM fault Page 64 20 Flue fault Page 64 21 Burner No fault Page 64 22 Ignitor No fault Page 65...

Страница 60: ...t indication No readable information on keypad display Humidity transmitter fault Check for proper supply voltage Check heater fuses for voltage present at transformer Check for wiring shorts reset br...

Страница 61: ...ction Dew point transmitter fault Humidistat fault Check D C supply voltage terminals 21 23 21 VDC If there is no output 4 20 mA replace transmitter Transmitter by others is not compatible Consult DRI...

Страница 62: ...Measure normal 1 5 VDC range on temperature transmitter 28 29 Temperature transmitter 20 degrees C 160 degrees C should have 12 mA 70 degrees C part No 405889 Check water shut off valve If closed ope...

Страница 63: ...est probe If the tank does not drain to this level in the time allotted a fault will be indicated Water detection probes Drain valve wiring Fill valve Low water supply pressure minimum 170 kPa Remove...

Страница 64: ...itch not wired Switch not wired Install humidifier cover Adjust switch for proper closure Clean probe tips Verify proper wiring of probe system Shielded type wiring is not recommended Probe wiring rou...

Страница 65: ...ispersion system distance elbows restrictions No P trap installed on tank and or plugged Poor maintenance tank needs cleaning Chemical used to clean tank not recommended drain and rinse tank thoroughl...

Страница 66: ...sion system distance elbows restrictions No P trap installed on tank and or plugged Poor maintenance tank needs cleaning Chemical used to clean tank not recommended drain and rinse tank thoroughly Che...

Страница 67: ...SDU blower motor is defective SDU fan does not start Check for proper wiring Machine ground must be present between control cabinet and humidifier tank Do not use shield cable Individual 1 mm 2 stand...

Страница 68: ...or there is no power to the valve Broken ignitor Gas valve ignitor sensing electrode is out of sequence Gas valve outlet pressure is too low Blower inlet is dirty or obstructed Consult DRI STEEM for r...

Страница 69: ...existent supply voltage to unit Nonexistent control voltage Heater over temperature thermostat open Verify that ignitor glows Verify wire connections to these components Check for proper blower wiring...

Страница 70: ...that valve stem moves freely Check if water supply line strainer is plugged Verify that manual water line shut off valve is open and that pressure exists Go to Control Modes screen and select Auto Mo...

Страница 71: ...board Check if probe head is fully plugged in If needed clean probe rod tips Verify if VAPOR LOGIC3 control board with nylon mounting standoffs terminal 33 needs to be grounded If there is low water...

Страница 72: ...replace valve as needed Check for control voltage across fill valve coil Check wiring and controls Verify that proper voltage is being applied to heaters Check heater amperage If heater contactor is...

Страница 73: ...is correct If an obstruction will not allow drain valve to fully close clean valve If there is a broken or weak return spring on drain valve replace the valve Check if 24 VAC is present at valve If s...

Страница 74: ...mer and can be minimized by installing a shock arrester A loud buzzing sound indicates poor alignment of valve stem Replace valve Unit undersized replace with a larger unit or add additional humidifie...

Страница 75: ...ck for proper wiring Check humidity transmitters 4 20 mA output Adjust set point if VAPOR LOGIC 3 set point is too low Verify proper operation of fans dampers VAV systems etc If heaters are burned out...

Страница 76: ...ID tuning etc Relocate poorly located control components See humidity control placement information on Pages 16 23 for recommendations If inappropriate control components are being used change compone...

Страница 77: ...lve was furnished Clean drain valve piping Check VAPOR LOGIC 3 main menu settings and reset if necessary Check if 24 VAC is present at VAPOR LOGIC3 control board terminals 3 and 4 and drain valve Valv...

Страница 78: ...it voltage on electrical diagram If voltage is not present troubleshoot boards and wiring system for potential short circuit Check main line fuse Check main line safety switch Check heater fuses elect...

Страница 79: ...mand signal Program may be arranged for manual drain Run a test cycle to see if system operates drain valve Valve not wired to or incorrectly wired to control board Faults check 24 VAC across valve co...

Страница 80: ...ation Replacement parts No Description Qty Part No 1 Display board 1 408490 002 2 Cable 1 408490 3 Main board 1 408490 001 Part number varies with cable length Specify humidifier model and serial numb...

Страница 81: ...77 Operation Notes Operation Notes...

Страница 82: ...78 Operation Notes Operation Notes...

Страница 83: ...79 Operation Notes Operation Notes...

Страница 84: ...FOG and ULTRA SORB are registered trademarks of The DRI STEEM Humidifier Company Form No VL3 C 0200 M 0301 Copyright 2001 DRI STEEM Humidifier Company Inc 14949 Technology Drive Eden Prairie MN 55344...

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