Previous generation user manual
Contents
1. 2009 09 15 Phason TVS user manual Appendix B Test procedure The TVS has a built in test procedure The test should be performed after the control has been installed and may be used at any time to check the operation of the control The test procedure tests the circuitry in the control and tests each stage individually Follow the instructions below to step through the test procedure If an alarm system is connected be aware that it is normal for the alarm be activated during most of the test procedure In order to start the test procedure the power to the TVS LECCI must be off Then while holding the UP and DOWN CEoIC Al buttons in turn on the power The TVS will start up in the test mode PS OS PS Prog Store Parm Return wv 1 Input test Press the PROG button once The TVS will display a ICO number This number should be between 80 0 and 130 0 AL Press the PROG button again The TVS will display the Fr temperature If the temperature displayed is not correct Prog sore Pra Return make sure that the sensor 1s installed properly gt 2 Memory test Press the STORE button The TVS will display PASS 1f2. 3 TVS user manual Heat cool bypass switch ul STAGE 3 A A bypass switch may be installed so the stage can be operated manually turned off or controlled automatically by the TVS When the switch 1s in the right position the stage will be controlled automatically When the switch is in the center position the stage will be off and when the switch is in the left position manual position the stage will be fully on Connect a SPDT center off switch This switch is included with Phason power contactor units but can also be ordered separately Note This switch is NOT a disconnect switch Variable stage bypass switch A A bypass switch may be installed so the fan can be operated manually turned off or controlled automatically by the TVS When the switch 1s in the upper position the fan will be controlled automatically When the switch is in the center position the fan will be off and when the switch is in the lower position manual position the fan will be on full speed Connect a SPDT center off switch Note This switch is NOT a disconnect switch 38 Phason
3. C Use 1 2 liquid tight wire connectors for small holes 3 E or GROUND ENCLOSURE PLATE BASE D Use RTV silicone or Silicon II sealant to seal cable entry points 1f liquid tight wire connectors are not used A If silicone is used be aware that some silicone sealants release acetic acid while curing This can cause corrosion damage to the control Let the silicone cure completely 1 to 3 days before closing the control or the control may be damaged and the warranty VOID 10245506 29 TVS user manual Phason 230 VAC control power y i M 290 DD VAC A ee Mo D SY SO Soo SS 2 ea ea O Connect power to terminals 1 and 2 ali A Set switch to 230 VAC position LI L2 f em 250 LG See page A 12 for instructions on connecting the ELECTRICAL TVS to three phase power SERVIC 120 VAC control power 4 115 Connect power to terminals 1 and 2 e o Qo Qo e ao OS
4. A Set switch to 115 VAC position L NEUTRAL ELECTRICAL 15 SERVIC 30 2009 09 15 Phason TVS user manual Temperature sensor Connect sensor to terminals 4 and 5 SS BS SOS Oye j OOo The temperature sensor can be extended if so desired An ui extended sensor can be ordered from PHASON To manually extend the sensor follow the instructions on page 32 Do not run the probe cable in the same conduit as AC power cables A Do not run the sensor cable beside AC power cables or near electrical equipment When crossing other cables or power lines cross them at a 90 degree angle 4 zone averaging BRI Connect sensor to terminals 4 and 5 The TVS is capable of monitoring the temperature in four areas and operating accordingly to the average To take advantage of this option you must connect four i i i i temperature sensors to the unit A e e n A
5. 3 Ifthe cable connectors are not sealing apply RTV or Silicon II sealant around the cable WARNING If a sealant is used be aware that some silicone sealants release acetic acid while curing This can cause corrosion damage to the control Let silicone cure completely 1 to 3 days before closing the control or the control may be damaged and the warranty will be VOID 4 Check the control again after two weeks to verify that it is properly sealed The control should be opened and inspected once a year for moisture Proper care and maintenance will extend the life of the control 24 2009 09 15 Phason TVS user manual Power factor correction Adjusting the P Band to correct for a particular power factor may improve your ventilation system s performance Power factor correction is generally unnecessary and there is no danger of damage being done to the control or motor if it is not done As a result of different power factors between the many makes and models of fan motors the actual P Band may be less then the P Band setting displayed by the control If the power factor of the motor is available use the chart of correction numbers listed in table 4 below and CALC 1 below to calculate the P Band setting required in order to get the desired P Band A power factor of 0 8 or greater will cause an insignificant change to the P Band and does not need to be corrected POWER CORRECTION 09 105 08
6. the factory programs are in the memory It will display H H A FAIL if the programs have been changed in any way from the factory settings See Reloading the Factory Programs under the Adjusting The TVS section in this user s guide to reload the factory programs i 10245506 39 TVS user manual Phason 3 Display test Press the PARM button to perform the display test The TVS will display 8888 and then will count from 0 to 9 on each digit After the display test is done the TVS will display t ds which stands for test display 1 NN n N NN mm Pm T E J a Prog Store al te y 4 Variable stage test Press the UP button once This will start the variable speed fan test The display should be flashing tSP1 and oFF FP H tSPI means test variable speed stage 1 Press the UP em button again Now the display will flash tSP1 and FuLL oe C and the Stage 1 fan will be running full speed Press UP MN again and the fan will be running at half speed and the K ii Ka ve v display will flash tSP1 and HALF Press UP again and the fan will run at low speed The display will flash tSP1 and Lo some fans can not operate at this low speed Pressing the UP button four more times will cycle through the Stage 2 fan test The display will flash tSP2 and the speed tSP2 means test variable speed stage 2 The Stage 2 variable
7. 2 StagelMinVent J J J 3 Stage2 Min Vent DIFFERENTIAL J Stage 1 Off Set Back J To 5 StagelP Bandl o o 6 Stage2OffSet Back To 7 Stage2StartP Band2 o 8 Stage2P Band2 J J J 9 Sage3TunOn CooD o 10 Not Applicable J o J J 11 NotApplicable J 12 Low Temp Alarm To J 13 High Temp Alarm J o o NNNM GENERAL Low Power Alarm Alarm Display Latching A AA AKI Units Earl Stage 3 Operation ss Not Applicable fF Not Applicable ss Stage 1 Minimum Idle fe Stage 2 Minimum Idle fe Hysteresis ss Stage 1 P F Compensation Stage 2 P F Compensation Table 1 Blank Parameter Chart 44 2009 09 15 Phason Inc 2 Terracon Place Winnipeg Manitoba Canada Phone 204 233 1400 E mail supportOphason ca R2J 4G7 Fax 204 233 3252 Web site www phason ca
8. Table 4 Power Factor Correction Numbers CALC 1 P BAND SETTING DESIRED P BAND x CORRECTION NUMBER Example 1 To have a 6 F P Band with a motor which has a power factor of 0 7 set the P Band to 7 5 F ie 6 F x 1 25 7 5 10245506 25 TVS user manual Phason If the power factor 1s not known the correction number may be measured Follow the steps below 1 Set the Minimum Ventilation parameters 2 and 3 to the desired value 2 Set the P Band s to 10 F parameters 5 and 8 3 Observe the ROOM TEMPERATURE 4 Adjust the TEMP SET parameter 1 to equal the ROOM TEMPERATURE and Stage 2 Start P Band2 parameter 7 to O The Stage 1 and Stage 2 fans will now be running just above minimum ventilation 5 Slowly decrease the TEMP SET parameter 1 and listen to the fans increase in speed 6 Observe the TEMP SET FULL SPEED TEMP SET at which the motors reach full speed 7 Use CALC 2 to calculate the Correction number for the motors as follows CALC 2 10 F Correction number FULL SPEED TEMP SET ROOM TEMPERATURE Example 2 ROOM TEMP 75 F and FULL SPEED TEMP SET 82 F Correction Number 10 1 43 82 F 75 F Now use CALC to find the P Band setting 26 2009 09 15 Phason TVS user manual Appendix A Wiring diagrams Installation overview DISPLAY BOARD CONNECTOR ALARM RELAY 120 240VAC SWITCH CONTROL POWER SUPPLY ONL Y SIAGE 5 RELAY ALL FUSES ABC 12 12 AMP 250VA
9. 1 Stage 2 P Band set to 0 Increase Stage l Stage 2 P Band Parameters 5 8 Room temperature above Adjust Temperature Set to desired Temperature Set Parameter 1 temperature Stage l Stage 2 fan s P F Compensation is not set Adjust P F Compensation run erratically correctly Parameters 24 25 Stage 3 Relay is not Wiring incorrect Correct wiring operating loads 12 Amp ABCI2 Fuse open Replace fuse with 12Amp 250VAC Display board inter connect Be sure the inter connect cable is cable is not plugged into the firmly plugged in power supply board properly Adjust Turn on setting Turn on setting for stage 1s incorrect Parameter 9 Correct Setup Parameter setting Wrong Setup parameter selected Parameter 18 Change Ventilation to ON Ventilation 1s turned off V off Parameter 16 Note This is only applicable to a stage in cooling mode Replace Fan Heater Fan Heater 1s faulty Alarm relay not Wiring incorrect Correct wiring operating alarm system Alarm message on Alarm condition present See Alarm section Clear alarm display condition by pressing RETURN 10245506 43 TVS user manual Phason Appendix D Blank program tables When changes to the programs are made the changes should be marked in table 1 below This will provide a quick reference chart to refer to when reprogramming the TVS in the future PROGRAM NAMES A g lxx QA b C d E F G MAN gt 1 TempSet StartP Bandl J To o poo
10. 5 amps Operating Voltage Make and Model of fan s Max Total Current Draw of fan s Must not be greater than 7 5 amps Operating Voltage Make and Model of fan heater Max Total Current Draw Operating Voltage Alarm relay connected to TVS user manual A power contactor must be used if the maximum total current draw is greater than the maximum ratings of the relay See the maximum ratings on page 4 10245506 TVS user manual Getting to know the TVS 1 2 3 4 5 STAGE CONTROL STAGE 3 C PHASON A STAGE p THREE i eared Y NR VENTILATION s Y g MODEL TVS CJ EJ EJ EJ v PROGRAM PARAMETERS COMMON PARAMETERS Main O Memory Proleci Generol 14 Low Power Alarm Temp Sei Sari P Bondl 15 Alarm Lotching 2 Stage Min Vent 16 Ventilation 3 Stage 2 Min Vent Setup I7 Unis F or C Differentials 4 Stage Off Set Back 13 Stage 3 Heat or Caal gt Stage P Bond I9 N A 6 Stage 2 Off Se1 Back 20 NA 7 Stage 2 Stori P Band 2 21 Stage Minimum Idle 3 Stage 2 P Bond 2 22 Stage 2 Minimum Idle 9 Stage 3 Turn On 23 Hysteresis ONA 24 Stage P F Compensation Il NA 25 Stage 2 P F Compensation 12 Low Temp Alorm 13 High Temp Alorm Some in all programs Phason PROGRAM button used to select the desired 6 UP button used to adjust a parameter operating program STORE button used to save selected 7 STAGE 1 indicator light programs and par
11. TVS user manual Phason until the desired parameter 1s reached Refer to the front cover of the TVS control or see Table 2 on page 20 for the parameter list Press the PARM button to step through the parameter list ri 3 A Use the UP DOWN buttons to adjust the setting n m l a The parameter can be adjusted to any value with in the parameter s range The ranges can be found on page 19 EA 6 i Store ES Press STORE to save the setting in memory The display will show Stor for 1 second indicating the new setting has been stored in memory If the PARM button is pressed before pressing STORE the next parameter will m0 Icd g lees veal v appear and the previous one will change back to its previous setting Continue through the parameter list by pressing the PARM button and making changes to the settings where needed Follow the same procedure shown in steps 4 to 6 above To return to normal operation displaying of room temperature at any time press the RETURN button When RETURN is pressed memory protect is A E automatically turned back on If a parameter has been uJ Store Fore Return M changed but the value has not been stored pressing RETURN will change the parameter s setting to the last stored setting and return the control to normal operation NOTE If the TVS is left displaying a parameter 1t will revert back to normal op
12. The Stage 3 Operation 18 parameter regulates what mode Stage 3 operates as heat or cool 10 Not Applicable 11 Not Applicable 12 LOW TEMPERATURE ALARM OFF 36 0 0 0 F 20 0 0 0 C The number of degrees below the Temp Set that a low temperature alarm will be generated A Lt This alarm may be disabled by adjusting it to OFF 13 HIGH TEMPERATURE ALARM 0 0 36 0 F 0 0 20 0 C OFF The number of degrees above the Temp Set that a high temperature alarm will be generated A Ht This alarm may be disabled by adjusting it to OFF GENERAL PARAMETERS General parameters have one setting common to all programs When they are changed in one program they change in all programs 14 15 16 LOW POWER ALARM ON OFF When the line voltage drops below the proper operating level a low power alarm will be displayed A LP This alarm may be disabled by adjusting it to OFF When disabled the display will still flash A LP but the alarm relay will not activate LATCHING ALARMS ON OFF When this parameter is turned ON all alarms will be displayed on the TVS and will continue to flash after the alarm condition is gone They can be reset by pressing the RETURN button This feature is useful to keep track of the alarms that occur during times when the control is not being supervised For example in the morning the TVS could be checked for alarms that occurred during the night and then the alarms could be cleared If this
13. The TVS can operate with one or four probes d T T connected 10245506 31 TVS user manual Phason Manually extending sensor SENSOR To extend the sensor use 2 wire 18 or 20 AWG jacketed cable To splice two wires together follow the steps below and refer to the diagram A Slide pieces of heat shrink tubing on the wire ends as shown B Strip the ends of wire and twist together C Using a soldering iron and solder connect the twisted wire ends together D Slide the heat shrink tubing over the soldered connection E Heat tubing with a hot air gun paint stripper F When finished the splice should be completely sealed NOTE If the unit operates erratically with the extended sensor try running the extended sensor on a different path or shortening it Follow the guidelines on the previous page when extending temperature probes 32 2009 09 15 Phason Alarm siren installation ALARM Connect alarm to terminals 14 15 and 16 14 COMMON 15 NORMALLY OPEN 16 NORMALLY CLOSED A See the TVS Electrical Ratings section for the alarm relay ratings B amp C Use a backup battery and an appropriate charging system D The siren ratings must not be greater than the alarm relay ratings E Alarm disable switch Alarm panel installation Connect the alarm panel auto dialer to terminals 14 15 and 16 14 COMMON 15 NORMALLY OPEN 16 NORMALLY CLOSED A See the TVS El
14. a gas fired furnace or brooder 10245506 TVS user manual sd FROM SERVICE Ele GRA x X X x x x X X X x X X x x X X X x X X X x X X ox MOX X X X OX 6 JUNCTION RED FURNACE BROODE BOX A A FROM ELECTRICAL SERVICE x X x x x x X X X x Xx X x x X X X x X X X x X X ox MOX X X X OX 5 TH INP ERMOSTAT JIS ED FURNACE BROODER 35 TVS user manual Phason 230 VAC variable speed fan Connect Stage to terminals 34 and 35 Connect Stage 2 to terminals 32 and 33 FROM LECT A Stage 1 and 2 fuse type 12 A 250 VAC ABC type SERVICE ceramic L B Variable speed fan JUNCTION Wire according to applicable local electrical codes BOX S 7 For 3 phase wiring instructions see page A 1
15. list To do this press the PARM and UP buttons simultaneously Instead of the TVS displaying the next parameter on the CA MA 3 may list it will display the previous parameter la store i Return v When viewing or editing the parameters sometimes it 1s ri tin A U A 10245506 11 TVS user manual Phason Selecting a parameter to edit The parameters are stored in a table in memory that is similar to the Factory Program Table on page 20 Any parameter in any program can be edited when memory protection has been turned off Follow these procedures when editing parameters to become more efficient To move down to the next parameter press the PARM button To move up or backwards to the previous parameter press the PARM and UP buttons simultaneously To move right press the PROG button until the desired program is displayed then press the PARM button once to edit the same parameter number that was being edited before To Move Button s y PARM PARM and UP gt PROG An example of where this method of programming is useful is a situation where the temperature set point of each program needs to be changed This can done by turning off memory protection and changing the temperature set point in the operating program the operating program is displayed with an o and the program name Then press the PROG button twice to edit the next program Press the PARM button and edit the parameter To continue to the next program pres
16. parameter is turned OFF the display will only show the alarm when the condition is present When the alarm condition is gone the alarm will no longer be displayed VENTILATION ON OFF When this parameter is turned OFF the variable speed outputs and cooling stages are turned off completely and all alarms will not be displayed The heating stages are not affected Ventilation may be turned OFF when a room is vacant to conserve energy When it is turned OFF the TVS will display VoFF DO NOT use this to shut down fans to work on the wiring ensure the breakers are turned off 10245506 17 TVS user manual Phason SETUP The setup parameters are common to all programs and can only have one setting They can not be accessed by the same procedure as the normal parameters This has been done to protect these parameters from accidentally being changed Follow the instructions on page 11 to reprogram these parameters 17 18 19 20 21 22 23 24 25 TEMPERATURE UNITS F C This parameter programs the TVS to display the temperature in Fahrenheit or Celsius STAGE 3 OPERATION HEAT COOL This parameter programs the Stage 3 output to operate as a heating stage or a cooling stage When it is set to HEAT the stage will be on below the Stage 3 Turn On parameter 9 If it is set to COOL the stage will be on above the Stage 3 Turn On 9 Not Applicable Not Applicable STAGE 1 MINIMUM IDLE 0 99 This is the
17. speed fan will run at oFF FuLL HALF and Lo speeds like the Stage 1 test Pressing the UP button again will restart the Stage 1 fan test 40 2009 09 15 Phason TVS user manual 5 Relay test Press the DOWN button to start the relay test The display will flash t rL and ALAr t rL stands for test relay and the alarm r 3 A should be on Press the DOWN button again and the display will flash t rL and St 3 Now Stage 3 should be on and the alarm will m rn m n be off Pressing DOWN again will restart the relay test cycle ug Porn Resor v nr Store If the stage does not function properly when activated refer to the troubleshooting guide in Appendix C 6 Reset test Press the RETURN button This will return the TVS to normal operation The display will flash t SA for one second and then reset t SA stands for test sanity circuit When the control is in normal operation the display will be flashing the room temperature Pros store and a power failure alarm A PF Press the RETURN button to clear the alarm Other alarms might be displayed 1f the TVS has not yet been programmed L GA A Parm This completes the built in test procedure in the TVS If at any point during this test the TVS or equipment did not function properly refer to the troubleshooting guide in Appendix C 10245506 41 TVS user man
18. 2 120 VAC variable speed fan Connect Stage to terminals 34 and 35 Connect Stage 2 to terminals 32 and 33 A Stage 1 and 2 fuse type 12 A 250 VAC ABC type ceramic B Variable speed fan JUNCTION Wire according to applicable local electrical codes 36 2009 09 15 Phason Correct 3 phase wiring P 208 When connecting the TVS to a 3 phase power system the control power and Stage 1 and 2 must be connected to the same circuit If this is not done the variable speed fans will run erratically DO NOT connect 120 VAC power to terminals 1 and 2 on the TVS and power the fans with 230 VAC Incorrect 3 phase wiring 208 If the control power and the variable speed stages are wired to different phases the fans will operate erratically This will also happen if the TVS is powered with 120 VAC and the variable speed fans are powered with 230 VAC 10245506 TVS user manual Te Se SIS YSS iS is Gis L L2 L 208 VAC
19. C NON TIME DELAY 1207240VAC INPUT CONTROL POWER SUPPLY ONL Y Za SENSOR AL ARM SI1AGE 3 TEMP SENSOR ALARM RELAY HEAT COOL STAGE VARIABLE SPEED STAGES See pages A 6 and See page A 8 for wiring See pages A 9 and A 10 for See page A 11 for wiring diagrams A 7 for diagrams an alarm system wiring diagrams of the variable speed stages Wiring diagrams and instructions for the different stages are located on the pages listed above First read the General Warnings and Mounting Instructions sections then follow the diagrams for each stage 10245506 27 TVS user manual Phason General warnings BE SURE POWER IS OFF BEFORE DOING ANY WIRING The TVS should be installed by a qualified electrician Install all equipment according to the applicable local electrical codes Most variable speed fan motors draw more current at fractional speeds than at full speed Fan motor specifications show current draw at full speed The increase in current draw may be as much as two times the rated current Current over 7 5 Amps will cause overheating and eventual failure of the TVS Please check current requirements for the fan motor by either measuring current draw at all speeds from idle to full speed or consult the dealer for information on the particular fan CAUTION Stages 1 and 2 are for control of shaded pole permanent split capacitor or universal motors only ATTENTION Destine uniquement a la commande de moteurs universels a ba
20. Three Ventilation Stage Control TVS user manual Limited warranty This warranty applies only to the Automatic Environment Control TVS If you need warranty service return the product and original proof of purchase to your dealer Phason Inc Phason warrants this product subject to the following terms and conditions This warranty is valid only to the original purchaser of the TVS for two years from the manufacturing date The manufacturing date is stated in the first eight digits of the serial number in the form year month day Phason hereby warrants that should the TVS fail because of improper workmanship Phason will repair the TVS effecting all necessary parts replacements without charge for either parts or labor Conditions Installation must be done according to our enclosed installation instructions The TVS must not have been previously altered modified or repaired by anyone other than Phason The TVS must not have been involved in an accident misused abused or operated or installed contrary to the instructions in our user and or installation manuals Phason s opinion about these items is final The person requesting warranty service must be the original purchaser of the TVS and provide proof of purchase upon request All transportation charges for products submitted for warranty must be paid by the purchaser Except to the extent prohibited by applicable law no other warranties whet
21. X tT A Sr DIFFERENTIAL Stage 1 Off Set Back IDLE 20 0 to 0 0 Bar SS to Stage 1 P Bandl 0 0 to 16 0 0 0 to 8 9 Stage 2 Off Set Back IDLE 20 0t00 0 Sven tt 8 Stage2P Band2 00to160 00t089 9 Stage3TumOn 10 0 to 15 0 OFF 5 5 to 8 4 OFF 10 NotApplicable 11 NotApplicble o Low Temp Alarm OFF 36 0 to 0 0 were ve GENERAL o H SETUP L 0 19 Not Applicable 20 NotApplicable o Table 1 Adjustable ranges of parameters 10245506 TVS user manual 19 TVS user manual Factory programs Phason The TVS is programmed with the factory settings as shown below See the ADJUSTING THE TVS section for instructions to change the operating program Select the most useful program and make changes where necessary PROGRAM NAMES A g PARAMETERS PARAMETERS Ta LE LEO MAIN uu p emp et otart F 850 800 750 70 0 650 650 650 Bandl DIFFERENTIAL SAA 6 Stage 2 Off Set Back 0 0 0 0 0 0 0 0 00 00 0 0 8 Stage2P Band2 2 0 20 25 30 3 0 3 0 3 0 7 0 Stage 3 Turn On 50 5 0 70 70 7 0 Cool 10 Not Applicable 11 Not Applicable GENERAL 14 ON Alarm Display 16 19 Not Applicable 20 Not Applicable 24 25 Stag
22. ameter settings in memory PARAMETER button used to scroll through 8 STAGE 2 indicator light the parameter list RETURN button used to bring the control 9 STAGE 3 indicator light back to normal operation DOWN button used to adjust a parameter 10 Complete parameter list 2009 09 15 Phason TVS user manual Definition of terms NORMAL OPERATION The TVS is in normal operation when it is displaying room temperature When alarms occur the display will alternately flash the alarm signal and room temperature PROGRAMS Programs consist of the Main Differential General and Setup parameters The TVS has seven programs that can be selected and reprogrammed by the user OPERATING PROGRAM The TVS operates according to the parameters in the operating program Any one of the seven programs may be selected as the operating program PARAMETER LIST The parameter list is shown on page 19 and is printed on the front of the TVS control It is a list of all the parameters that may be programmed by the user PARAMETERS Parameters are the individual settings that may be programmed Read the PARAMETER DESCRIPTIONS section on page 16 for an explanation of each parameter There are four categories of parameters 1 Main Main parameters control the main operation of the control 2 Differential These parameters are programmable differentials They are the number of degrees above or below the temperature set point the particular stage sta
23. ater Install according to applicable local electrical codes 120 VAC heat cool stage E 115 Z Connect Stage 3 to terminals 30 and 31 FROM A Normally Open Relay Contact LECTRICAL Rating 6 A at 120 230 VAC general purpose E resistive LI 1 3 HP at 120 VAC 1 2 HP at 230 VAC 360 W tungsten at 120 VAC RESUME Fuse 12 A 250 VAC ABC type ceramic C Ol POWER TL B 120 VAC power contactor if required CONTACTOR B o o o C Load type fan or heater Install according to applicable local electrical codes 34 2009 09 15 Phason Heat cool stage furnace power Connect Stage 3 to terminals 30 and 31 A Relay Ratings 6 A at 120 230 VAC general purpose resistive 1 3 HP at 120 VAC 1 2 HP at 230 VAC 360 W tungsten at 120 VAC Fuse 12 A 250 VAC ABC type ceramic B This configuration shows the TVS connected to the power connections for a gas fired furnace or brooder Heat cool stage furnace thermostat STAGE 3 A Relay Ratings 6 A at 120 230 VAC general purpose resistive 1 3 HP at 120 VAC 1 2 HP at 230 VAC 360 W tungsten at 120 VAC Fuse 12 A 250 VAC ABC type ceramic Connect Stage 3 to terminals 30 and 31 B In this configuration the TVS is connected to the thermostat inputs for
24. ce 8 Selecting a new operating 8 Glhianging parameter SENGS eei odeur als etaed 9 SAD AMS dania a o D Md A AD 11 Programming MOS Pr 11 Reloading Me factory Programs se ii A Rae bee 13 TVS OPC AON Bee iaa 14 arameo SCI ONS 16 FANG CR andes 0 19 AG LOY 1 MINN S aa 20 MENMOAS O US nee ee mst rie 21 Alarm one TI S TIMES 22 Care and Murillo e 24 POWSr lfactor Correc HON 25 Appendix A Wiring QIAQKAING curra nnmnnn 27 115 VAG CONTOLDOWE estira 30 Temperature SCNSOS ccccccccssscecceesecccceseeecceuseecceaueeecseeeecsesecessaueeecsaueeessuseeessaueeeeseueeesssgeeessenseesseaes 31 4 zone averaging PARA E OE ON 31 Manually extending sensor oooccccccoccnnccnncnncononcncnnoncnnonnnnnnnnnnrnnnrnnrnnn nn nrnnnnnnrnnnrnnrnnrrnnnnnnnrnnnrrrnnrnnennnnenns 32 Alarm siren installation Maso ion 33 Alarm panel installation 33 230 VAG 34 7F 34 Fleat cool stage Se eee 35 Heatcool stage furmace thermostat en aiia 35 230 VAG Variable speed facies oer eee ee ee 36 115 VAG Variable Speed Taarna 36 OO MEC 3 NAS ode 37 HIG OPFECE o phase llego eet Nc 37 Hear COO 38 Variable stage DYDaSS sWITCI es cee ee 38 Appendix B Test PrOCOGUN G scan id 39 Appendix C Troubleshooting qui de 42 Appendix D Blank program tables lesse eeeeeeieee eese enne n nnn nhan nana 44 il 1v Phason TVS user manual Features of the TVS The Three Ventilation Stage Control TVS is a microprocessor based product designed to efficiently control t
25. d to help you get the utmost in satisfaction from your TVS It contains detailed information regarding the installation and operation of the control The Getting Started section will step you through the installation and configuration of your TVS The following steps refer to other sections of this user s guide for additional information Therefore 1t 1s not necessary to read the entire document from front to back but rather in the order that the information 1s needed STEP CHECKING RATINGS OF EQUIPMENT 1 e Read the TVS ELECTRICAL RATINGS on page 4 e Fill in the EQUIPMENT LIST on page 5 WARNING The equipment to be connected to the TVS control must not draw more current than the TVS stages are rated for Use of equipment that 1s rated higher than the TVS will result in damage to the control and will void the warranty INSTALLATION e Follow the instructions in Appendix A for installing and wiring the T VS and equipment Be sure to read the General Warnings section in Appendix A before installation TESTING e Follow the instructions in Appendix B for testing the operation of the equipment installed to ensure that it is connected properly 2 2009 09 15 Phason TVS user manual STEP SETTING UP 4 e Read through the GETTING TO KNOW THE TVS section on page 6 and get familiar with the programming procedures e Read the SETUP section on page 11 e Configure the TVS according to the type of equipment connected e Mark the chan
26. ds and then disappear m 5 The high temperature alarm appears when the room temperature 1s above the high temperature alarm setting parameter 13 Check if the fans are operating properly This alarm may occur on very hot days when the desired room temperature can not be maintained H 22 2009 09 15 Phason TVS user manual The low power alarm turns on when the line voltage drops below 190 for 230 VAC operation or below 95 for 120 VAC operation This indicates a problem with the electrical service of the building The control may operate erratically if the voltage drops below these levels This indicates the temperature sensor is disconnected The sensor wire may be broken or damaged somewhere This alarm indicates the temperature sensor is short circuited The sensor or wire may be damaged somewhere NOTE When a A Pd or a A PS alarm occurs the heating and cooling stages will turn off and the variable stages will run at idle speed The Power Failure alarm appears when there has been an interruption in the power The control will continue to operate normally and the alarm can be cleared by pressing the RETURN button When this alarm appears it indicates an internal error has occurred To clear this alarm check through the parameters adjust and store the ones that are incorrect Next turn the power off and then back on and the alarm will be cleared NOTE A parameter must be changed and stored and the power turn
27. e 1 P F l 1 0 Compensation Stage 2 P F 1 0 Compensation Table 2 Factory programs 20 2009 09 15 Phason TVS user manual Methods of use The TVS has seven programs which can be selected as the operating program To take advantage of the programs adjust them for different climate settings They can be used for different kinds of livestock or used at different stages of maturity of the particular livestock Time is saved by simply changing the program instead of adjusting every parameter Remember to mark all changes to the programs in the Blank Program Tables in Appendix D to keep track of the settings 10245506 21 TVS user manual Phason Alarm messages Error an incorrect key has been pressed Alarm High Temperature temperature is above the high temp alarm setting Alarm Low Temperature temperature is below the low temp alarm setting Alarm Low Power the line voltage is low Alarm Probe Disconnect the temperature sensor 1s disconnected Alarm Probe Short The temperature sensor is short circuited Alarm Power Failure the power has been interrupted Alarm Internal Error indicates an internal error has occurred Ventilation Off ventilation has been turned off in the program Reasons for alarms to activate APS The Err message appears when an incorrect key has been pressed or 1f an attempt has been made to change a parameter while memory protect is on The Err message will appear for 2 secon
28. ectrical Ratings section for the alarm relay ratings B Consult the Alarm Panel Auto dialer owner s manual for proper installation guidelines 10245506 TVS user manual Co Co TVS user manual Phason 230 VAC heat cool stage VA 250 7 Connect Stage 3 to terminals 30 and 31 FROM A Normally Open Relay Contact LECTRICAL Rating 6 A at 120 230 VAC general purpose RVIC resistive LI 1 3 HP at 120 VAC 1 2 HP at 230 VAC 360 W tungsten at 120 VAC L2 Fuse 12 A 250 VAC ABC type ceramic Cn POWER B 230 VAC power contactor if required CONTACTOR a C Load type fan or he
29. ed off and on before the alarm will be cleared Another way to clear the alarm is downloading the factory programs This will reset all the parameters to the factory settings and then they must be programmed to the desired settings again Consult your dealer or Phason for information to prevent this problem from happening again VoFF is displayed when VENTILATION parameter 16 is turned OFF When this is displayed the variable speed stages and the cooling stages will be turned off The heating stage s will operate normally 10245506 23 TVS user manual Phason Care and maintenance Moisture will not cause a problem with the control if the proper care is taken in installation The control s enclosure is made of fire retardant plastic and is sealed with a rubber gasket The sensor entry is sealed with a liquid tight cable connector Caution should be taken when washing the room with a high pressure washer DO NOT direct a high pressure washer at the control In order to clean the control wipe it with a damp cloth A Be sure power is off before cleaning to avoid electrical shock WARN ING MAINTENANCE 1 To prevent damage to the control after the first two weeks of operation remove the cover from the unit and check for moisture inside Be sure to turn off the power to the control before opening the cover 2 If moisture is present wipe it out with a dry cloth and check the cable entry points and rubber gasket for proper sealing
30. eed for three seconds and then slow down to the Minimum Ventilation setting At 85 F the Stage 1 P Band begins While the temperature rises in the P Band the Stage 1 fan will increase in speed At 87 F Stage 1 will be at full speed When the temperature rises to 88 F the Stage 2 P Band begins Since the Stage 2 fan has been off until now it will run full speed for three seconds and then slow down to the required speed As the temperature rises the Stage 2 fan will increase in speed proportionally to the temperature At 90 F the Stage 2 fan will be at full speed At 90 F Stage 3 cool will turn on When the temperature rises to 95 F the High Temp Alarm will turn on 14 2009 09 15 Phason Pa FULL SPEED FULL SPEED Ed Eg Gg tt tt td Prt gd gd tt ttt FAN SPEED 20 40 60 380 lO G 20 40 60 100 EXAMPLE OF FACTORY PROGRAM A 1072416 03 TVS user manual Figure 2 TVS Operation diagram Circled numbers correspond to the parameter numbers 10245506 15 TVS user manual Phason Parameter descriptions MAIN PARAMETERS 0 MEMORY PROTECT On Off ensures parameters are not changed by accident Memory protect must be turned off every time the parameters are edited The memory protect parameter can not be stored and is turned on automatically when the control is returned to normal operation TEMPERATURE SET Start P Band 1 32 0 110 0 F 0 0 43 3 C is the target room temperature All differentia
31. eration in 1 minute automatically If STORE was not pressed the displayed parameter will change back to its previous value 2009 09 15 Phason TVS user manual Setup parameters The setup parameters should be programmed when the installation has been completed to configure the TVS and then generally the parameters do not need to be reprogrammed These parameters are different from the other parameters because they do not have a different setting for each program and cannot be edited in the normal way Each setup parameter setting is common to all programs Follow the instructions below to change the setup parameters When the setup parameters have been programmed the blank program table in Appendix D should be filled in with the new settings for future reference To edit the setup parameters Press the PARM button once to enter the edit mode If you wish to edit the setup parameters you must turn off the H ri f i A memory protect now See page 9 to turn off the memory protection ES ES Next press the PROG and PARM buttons simultaneously E vore Ea M to get to the setup parameters The Setup parameters can be adjusted as needed and stored in the same way the normal parameters can After the setup parameters have been changed and stored press the RETURN button to return to normal operation Programming tips Scrolling backwards helpful to scroll backwards through the parameter
32. ges in the Blank Program Tables in Appendix D STEP PUTTING CONTROL INTO SERVICE 5 e Read the TVS OPERATION section on page 15 e Select the most useful factory program see page 20 e Make changes to the program as desired see page 9 e Mark the changes in the Blank Program Tables in Appendix D STEP METHODS OF USE 6 e Read the METHODS OF USE section on page 21 10245506 3 TVS user manual Phason TVS electrical ratings DISPLAY BOARD CONNECTOR ALARM RELAY 20 240VAC SWITCH CONTROL POWER SUPPLY ONL Y STAGE 3 RELAY ALL FUSES ABC 2 12 AMP 250VAC NON TIME DELAY 120 240VAC INPUT CONTROL POWER SUPPLY ONLY SENSOR Variable stage 7 5 A at 120 230 VAC general purpose resistive 5 FLA at 120 230 VAC PSC motor 1 3 HP at 120 VAC 1 2 HP at 230 VAC PSC motor Variable stage fuse 12 A 250 VAC ABC type ceramic Relays 6 A at 120 230 VAC general purpose resistive 1 3 HP at 120 VAC 1 2 HP at 230 VAC 360 W tungsten at 120 VAC Relay fuses 12 A 250 VAC ABC type ceramic Alarm relay 0 4 A at 125 VAC 2 A at 30 VDC resistive load 0 2 A at 125 VAC 1 A at 30 VDC inductive load NOTE This is not a wiring diagram All wiring diagrams are located in Appendix A 4 2009 09 15 Phason Equipment list STAGE I Variable Speed Stage 1 Variable Speed Stage 2 Cool Heat Stage 3 Make and Model of fan s Max Total Current Draw of fan s Must not be greater than 7
33. gue de dephasage ou a condensateur permanent DO NOT mount power contactors inside the TVS enclosure Power contactors create electrical noise which may cause the TVS to work improperly Warning Phason controls are designed and manufactured to provide reliable performance but they are not guaranteed to be 100 free of defects Even reliable products may experience occasional failures and this possibility should be recognized by the user If Phason products are used in a life support ventilation system where failure could result in loss or injury the user should provide adequate back up ventilation supplementary natural ventilation or an independent failure alarm system The user s lack of such precautions acknowledges their willingness to accept the risk of such loss or injury Electrical noise varies according to the type of equipment installed the wiring layout and many other factors It s effects are not apparent in most installations but over time it can cause degradation of electronic circuits relays and power contactors These transients can cause unreliable operation of your equipment if they are not properly controlled A false A PF alarm is due to electrical noise caused by high voltage transients in certain installations Therefore snubbing filters must be installed on all inductive loads for installations of this type The filters must be connected in parallel with the load so the snubbing filter may absorb og 2009 09 15 Phaso
34. h Stor for two seconds and then the f m TVS will be in the normal operating mode displaying the 792 oe rarm Return wv room temperature and a power failure alarm 10245506 13 TVS user manual Phason TVS operation Figure 2 shows the operation of each stage of the TVS This particular diagram shows the temperatures at which the stages would turn on and off 1f the TVS was operating according to the factory settings in program A Some settings are listed here but the entire factory program table can be found on page 20 The circled numbers in the diagram correspond to the parameter numbers Use these numbers to cross reference the parameters in the diagram to their descriptions All stages except the low temperature and high temperature alarms have a programmable hysteresis parameter 23 PARAMETER SETTINGS 1 Temp Set 85 0 F 2 Stage 1 Min Vent 20 3 Stage 2 Min Vent 20 4 Stage 1 OSB 3 0 5 Stage 1 P Bandl 2 0 6 Stage 2 OSB 0 0 7 Stage 2 Start P Band2 2 0 6 Stage 2 P Band 2 0 9 Stage 3 Turn On 5 0 12 Low Temp Alarm 3 0 13 High Temp Alarm 10 0 NOTE When the variable speed stages turn on they will run full speed for three seconds and then decrease to the required speed EXAMPLE As an example say the temperature is 75 F and rising At this point the Low Temp Alarm will be on When the temperature rises to 82 F the Low Temp Alarm will turn off and the Stage 1 fan will turn on The Stage 1 fan will run at full sp
35. he environment in livestock buildings It connects to two variable speed fans a secondary fan or heater and an alarm system When operating the TVS measures and displays the room temperature While monitoring the temperature it controls the connected ventilation and heating equipment according to the programmed settings to keep the temperature at the desired point The program settings may be adjusted to change the turn on points and other parameters of the stages This is a list of the standard features of the TVS Digital display of temperature alarms and settings 7 programs with pre programmed factory settings that can be easily changed A built in keyboard to allow easy adjustment of settings l stage with a user definable relay contact to control secondary fans or heaters A relay to signal high or low temperature power interruptions or low line voltage conditions Internal memory is retained during power failures 120 230 VAC operation 7 5 amps output for each variable speed fan with RFI noise suppressors to eliminate radio and T V interference 3 second full power turn on for variable speed outputs to minimize fan freeze up Transient protected Compact design 18cm 7 H x 23cm 9 W x 9 5cm 3 75 D Non corrosive fire retardant enclosure 2 year warranty Extendable sensor 10245506 1 TVS user manual Phason Getting started Congratulations on the purchase of your new TVS environment control This manual has been prepare
36. her expressed or implied including warranties of merchantability and fitness for a particular purpose shall apply to the TVS Any implied warranties are excluded Phason is not liable for consequential damages caused by the TVS Phason does not assume or authorize any representatives or other people to assume any obligations or liabilities other than those specifically stated in this warranty Phason reserves the right to improve or alter the TVS without notice 02009 Phason Inc All rights reserved Printed in Canada 10245506 2009 09 14 Service and technical support Y our dealer will be happy to answer all technical questions that will help you use the TVS Before contacting your dealer or Phason check the following Read this manual for information about the feature with which you are having trouble Ifyou still have a problem with the TVS collect the following information Model serial number A description of the problem My dealer s name How to contact my dealer Street PO Box City State Province Zip Postal Phone Fax E mail Web site 2 Terracon Place Phone 204 233 1400 Dh as n Winnipeg Manitoba Fax 204 233 3252 Canada E mail support phason ca electronic control systems R2J 4G7 Web site www phason ca Table of contents POAtUECS OF ING PV Serani dia 1 Gemino SAO 2 TS ClOC FIC AN PAULING Sii io 4 EQUIPMENT Eta S 5 Getting to KNOW tlie TVS 6 BA OSEE 7 AQUSUNO MS Nh f
37. ls and alarms are referenced to this setting It is the starting point of the Stage 1 P Band1 parameter 5 STAGE 1 MINIMUM VENTILATION Minimum Idle 21 99 is the idle speed in of full power at which the Stage 1 fan will idle It cannot be adjusted below the setting of the Minimum Idle 21 parameter STAGE 2 MINIMUM VENTILATION Minimum Idle 22 99 is the idle speed in of full power at which the Stage 2 fan will idle It cannot be adjusted below the setting of the Minimum Idle 22 parameter DIFFERENTIALS 4 STAGE 1 OFF SET BACK IDLE 20 0 0 0 F 11 1 0 0 C is a range of degrees below the temp set where the Stage 1 fan will be at idle speed and below this range the fan will be off Idle means the fan will run at the Min Vent setting at all temperatures below the temp set If Temp Set 1 is set to 80 F and Stage 1 Off Set Back 4 is set at 8 F the fan will idle when the temperature is between 80 F and 72 F and will be off below 72 F STAGE 1 P BANDI 0 0 16 0 F 0 0 8 9 C The proportional band is a range of degrees above the Temp Set where the Stage 1 fan increases in speed proportionally to the temperature If Temp Set 1 is set to 80 F and Stage 1 P Bandl 5 is set at 5 F the variable speed fan will start to increase speed at 80 F and will be at full speed at 85 F STAGE 2 OFF SET BACK IDLE 20 0 0 0 F 11 1 0 0 C is a range of degrees below the Stage 2 S
38. minimum idle preset in percent of full speed The Stage 1 Min Vent 2 cannot be adjusted below this setting If it is programmed to 20 the Stage 1 Min Vent 2 parameter cannot be adjusted below 20 It 1s recommended that this parameter be programmed to correspond to the lowest speed at which the motor can safely operate STAGE 2 MINIMUM IDLE 0 99 This is the minimum idle preset in percent of full speed The Stage 2 Min Vent 3 cannot be adjusted below this setting If it is programmed to 20 the Stage 2 Min Vent 3 parameter cannot be adjusted below 20 It 1s recommended that this parameter be programmed to correspond to the lowest speed at which the motor can safely operate HYSTERESIS 0 5 2 5 F 0 3 1 4 C This is the number of degrees of difference between the turn on point and turn off point for all stages It is the number of degrees above the turn on point that a heating stage will turn off and the number of degrees below the turn on point that a cooling stage will turn off STAGE 1 POWER FACTOR COMPENSATION 0 5 2 5 This is set at the factory to 1 0 and should only be adjusted if the Stage 1 variable speed fan does not operate properly with the TVS STAGE 2 POWER FACTOR COMPENSATION 0 5 2 5 This is set at the factory to 1 0 and should only be adjusted if the Stage 2 variable speed fan does not operate properly with the TVS 2009 09 15 Phason Parameter ranges amp PARAMETERS RANGE OMAN J
39. n TVS user manual Mounting instructions To mount the TVS remove the four screws in the front cover and lift off the cover The cover can be unplugged from the bottom to make wiring easier Mount the box to the wall with the four wood screws provided with the control Insert the screws into the large holes in each corner of the box and tighten Use the knockouts provided at the bottom of the enclosure for mounting cable connectors DO NOT make additional holes in the enclosure this will void the warranty All wires should enter the enclosure through the electrical knockout holes provided and all grounds should be connected to the ground plate When installing a control route the wires inside away from the control s electronics so that they are not draped across the components This may result in a part being broken or damaged which will affect the reliability of your control DO NOT mount the bottom enclosure with the electrical knockouts located at the top of the enclosure This may cause moisture to enter the control along the wiring and corrode the electronic circuitry which voids the warranty Grounding and sealing B A Connect all ground wires to ground studs T B Use 3 4 liquid tight wire connectors for large holes B Wei oe 0
40. on will tell the TVS to use the selected program as the operating program After Stor is uJ displayed the TVS returns to normal operation A v 2009 09 15 Phason Changing parameter settings TVS user manual Follow the steps below to view and or edit the parameters in any program After editing the parameters mark the changes in the Blank Program Tables in Appendix D for future reference 1 Press the PROG button until the program that you want to edit is displayed H Pr The display will flash the program letter A to g and Pr n Prog Store Porm Return 2 Press the PARM button once n n rity L The first left most digit shows the program letter that is being edited Proq Store Porm The second digit indicates if the program is the operating program An o means the program is the operating program a blank means it is not the operating program The two right most digits show the parameter number to be edited 3 Press the UP or DOWN key to turn memory protect off rg pDrr The display will show Ao O and then oFF indicating memory protect has been turned off The parameters can 016530610 tt now be adjusted If memory protect is not turned off the i u du Aaa parameters can only be viewed Attempting to adjust the parameters while memory protect is on will result in an Err message being displayed 10245506 a ir 4 5 6 1
41. rts or turns on 3 General General parameters are common to all programs These parameters can have only one setting which is the same in all programs 4 Setup Setup parameters control the overall operation of the unit These parameters can have only one setting which 1s the same in all programs 10245506 7 TVS user manual Adjusting the TVS Selecting a new operating program Phason As livestock mature often the room climate needs to be changed The TVS has seven different programs in memory for seven different climate settings Any one of these programs can be the operating program In order to change the operating program of the TVS follow the instructions below For a list of the factory settings see Table 2 on page 20 1 2 3 Press the PROG button once i J The TVS will display the current operating program J one of A b C d E F or g The display will flash the program name and Pr ur Store Parm Return o Prog m I w Press the PROG button several times until the desired program is displayed By pressing the PROG button the program names are displayed one after another To change to a different operating program press the PROG button until the proper program is displayed Press the STORE button to enter the desired program into memory When the correct program is displayed pressing the STORE butt
42. s the PROG button twice again Remember that STORE must be pressed after each change to save the new setting in memory Fast editing When editing the setting of a parameter by adjusting 1t up or down hold down either button and then press the other PER one This will change the setting ten times faster If you Mo want to increase the setting hold down the UP button and then press the DOWN button The setting will increase ten ins io ined v times faster To decrease the setting ten times faster hold a down the DOWN button and then press the UP button 12 2009 09 15 Phason TVS user manual Reloading the factory programs The factory programs can be reloaded if so desired to replace the existing program If the existing programs are not operating properly or need to be changed back to the original factory programs follow the steps below to reload the factory programs los When reloading the factory programs the existing programs including the setup parameters are 7 replaced The TVS will begin with program A as the operating program The parameters in all programs and most importantly the setup parameters will need to be reprogrammed for the equipment that is connected Pay close attention to the setup parameter for stage 3 1 Turn off the power to the TVS 2 Hold down the PROG and STORE buttons ED arcu A 3 While holding the buttons down turn the power back on The display will flas
43. tart P Band2 7 where the Stage 2 fan will be at idle speed and below this range the fan will be off Idle means the fan will run at the Min Vent setting at all temperatures below Stage 2 Start P Band2 7 If Temp Set 1 is set to 80 F Stage 2 Start P Band2 7 is set to 10 F and Stage 2 Off Set Back 6 is set at 3 F the Stage 2 fan will idle between 90 F and 87 F and will be off below 87 F STAGE 2 START P BAND2 10 0 15 0 F 5 5 8 4 C OFF is the number of degrees above or below the Temp Set at which the Stage 2 proportional band starts All Stage 2 differentials are with respect to this setting If the Temp Set 1 is 80 F and this parameter 7 is set to 10 F the Stage 2 fan will turn on at 90 F 2009 09 15 Phason TVS user manual 8 STAGE 2 P BAND2 0 0 16 0 F 0 0 8 9 C The proportional band is a range of degrees above the Stage 2 Start P Band2 where the Stage 2 fan will increase in speed proportionally to the temperature If Temp Set 1 is set to 80 F Stage 2 Start P Band2 7 is set to 10 F and Stage 2 P Band2 8 is set at 5 F the Stage 2 variable speed fan will start to increase speed at 90 F and will be at full speed at 95 F 9 STAGE 3 TURN ON 10 0 15 0 F 5 5 8 4 C OFF The number of degrees above or below the Temp Set at which Stage 3 will turn on If the Temp Set 1 1s set to 80 F and On Stage 3 9 is set to 5 F Stage 3 will turn on at 85 F
44. ual Appendix C Troubleshooting guide Phason PROBLEM CAUSE SOLUTION No Power Display Stage l Stage 2 fan s not running 42 Circuit breaker at service panel off or tripped Wiring incorrect Display board inter connect cable unplugged from power supply board 115 230 VAC switch in the wrong position Wiring incorrect 12 A 250 VAC ABC type ceramic fuse open Display board inter connect cable is not plugged into the power supply board properly Minimum ventilation settings too low Parameters 2 3 Stage 1 Stage 2 Minimum Idle setting too low Parameters 21 22 Temperature Set setting above room temperature Parameter 1 Room temperature below range of Stage 1 Stage 2 Off Set Back Parameters 4 6 Ventilation 1s turned off V off Parameter 16 Fan is faulty Reset circuit breaker Correct wiring Plug in display board cable Set switch to the correct setting Correct wiring Replace fuse s Be sure the inter connect cable is firmly plugged in Increase minimum ventilation settings Increase minimum idle setting Adjust Temperature Set to desired temperature Adjust Off Set Back to cover required range Change Ventilation to on Replace fan 2009 09 15 Phason TVS user manual PROBLEM CAUSE SOLUTION Stage l Stage 2 fan s Wiring incorrect Correct wiring run full speed Minimum ventilation settings Decrease minimum ventilation too high Parameters 2 3 settings Stage
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