USER`S MANUAL
Contents
1. 32 FACTORY SETTINGS E 33 FOR CUSTOMER USE Enter below the serial number lo cated on the side of the controller and retain this information for future reference Model number PF 6 Serial number 2 PF 6 rev 07 PRECAUTIONS l4 Fuses at the input and outputs of the controller adequately protect its circuitry in the case of an overload or overvoltage However we recommend that you install an additional protection device on the controller s supply circuit to prolong the life of the controller The room temperature of the room in which the controller is located MUST ALWAYS REMAIN BETWEEN 32 AND 104 0 AND 40 To avoid exposing the controller to harmful gases or excessive humidity it is preferable to install it in a corridor DO NOT SPRAY WATER ON THE CONTROLLER PF 6 rev 07 3 FEATURES The PF 6 is an electronic device used for air inlet control in livestock buildings In combination with an environment controller the PF 6 coordinates the movement of the air inlets with the operation of the fans using a potentiometer located on the panel drive Additional units can be connected to the PF 6 for an independent control of additional air inlets The main features of the PF 6 are as follows DIGITAL DISPLAY A digital display shows the operation parameters and alarm messages PILOT LIGHTS Pilot lights indicating2. Settings Tumtheadjustment knob notch tothe right The maximum value is displayed alternating with the letters Hi B Turn the adjustment knob one notch to the left The current opening is displayed B Turn the adjustment knob one notch to the left The minimum value is displayed alternating with the letters Lo Note If you let the display flash for more than 10 seconds the controller resets the minimum and maximum opening values currently in memory In other words the two values are reset to the current opening value To avoid resetting minimum and maximum values return to the current opening display using the adjustment knob clockwise or counterclockwise before the 10 second delay has elapsed 30 PF 6 rev 07 TROUBLESHOOTING GUIDE PROBLEM SOLUTION THERE IS NO DISPLAY THE CIRCUIT BREAKER AT THE SERVICE PANEL IS OFF OR TRIPPED THE WIRING IS INCORRECT THE F6 INPUT FUSE IS OPEN THE VOLTAGE SELECTOR SWITCH IS IN THE WRONG POSITION THE DISPLAY BOARD INTERCONNECT CABLE IS UN PLUGGED FROM THE POWER SUPPLY BOARD THE ROOM TEMPERATURE DISPLAYED BY THE PF 6 SHOWS SUDDEN VARIA TIONS A VARIATION IN RESISTANCE IS INDUCED ON THE SENSOR CONNECTED TO THE PF 6 BE SURE THE SENSOR IS DRY AND MOVE IT AWAY FROM DRAFTS AND FROM ANY SOURCE OF RADIANT HEATING THERE IS ELECTRICAL NOISE NEAR THE CABLE OF THE SENSOR CONNECTED TO THE PF 6 DO NOT RUN THE SENSOR CABLE NEXT TO OTHE
3. the state of outputs allow you to monitor the operation of the system from a distance ALARM OUTPUT The controller generates an output signal that will activate any alarm system in the case of various operation problems HYSTERESIS A hysteresis prevents the air inlet panels from oscillating around the desired position when small variations in fan speed occur PERMANENT MEMORY Settings are retained in memory even in the event of a power failure OVERLOAD AND OVERVOLTAGE PROTECTION Fuses located at the input and outputs of the controller protect its circuitry in the case of an overload or overvoltage COMPUTER CONNECTION A computer can be connected to the PF 6 to centralize information management and provide monitoring and datalogging possibilities 4 PF 6 rev 07 LOCATION OF THE CONTROLS POTENTIOMETER FEEDBACK INLET CONTROLLER STATUS LEDS open PUSH BUTTON ACTUAL OPENIN IDENTIFICATION NUMBER OVER OPENING SETTING ROOM TEMPERATURE vaANUAL MODE fey FUNCTION ADJUSTMENT SELECTOR KNOB CONTROLLER STATUS LEDS LED MEANING OPEN TURNS ON WHEN THE PF 6 OPENS THE AIR INLET PANELS CLOSE TURNS ON WHEN THE PF 6 CLOSES THE AIR INLET PANELS TURNS ON WHEN THE NUMBER DISPLAYED IS THE AIR INLET OPENING PERCENTAGE ADJUST TURNS ON WHEN THE PF 6 IS WAITING FOR YOU TO ADJUST THE OPENING AI
4. D OF LINE NO JP4 END OF LINE NO JP5 END OF LINE NO JP4 END OF LINE NO D D D 0 x 100 x10 5 END OF LINE YES JP4 END OF LINE YES ADDITIONAL CONTROLLER JP5 END OF LINE NO JP4 END OF LINE NO ADDITIONAL CONTROLLER JPS END OF LINE NO JP4 END OF LINE YES PF 6 rev 07 11 4 PLUG THE COMLINK 2 IN THE CONTROLLER AND PF 6 UNITS a Unplug EACH UNIT b Plug the COMMUNICATION CARD IN the UNIT Open the cover Drill a 5 16 hole through the bottom of the controller and thread the communication cable through the hole Use the grommet provided to secure the cable Connect the cable to the terminals of the communication card as shown below When connecting two cable ends together solder the joint and use a heat shrink to ensure a proper contact t SOLDER CONNECTION BETWEEN SHIELDS Line up the module with the connector and insert it in the upright position see photo below For communication always use a 1 twisted pair shielded cable The maximum length of the cable is 3000m and the recommended wire diameter is 1 0mm Use a lightning protection module when running the cable betw een buildings Photo showing Comlink 2 module connected to a PF 6 controller e 12 PF 6 rev 07 Photo showing Comlink 2 module connected to a TC5 controller Besurethe co
5. H aDCpowersupply optional apowerunitequiped with a 10 turn potentiometer gt 1 kOhm 1 MOUNT THE PF 6 Remove the four screws in the front cover and lift the cover Remove the black caps located on the three mounting holes Mount the enclosure to the wall using three screws Be sure the electrical knockouts are at the bottom of the enclosure in order to prevent water from entering the controller Insert the screws into the mounting holes and tighten Fasten the black caps onto the mounting holes 2 MAKE THE CONNECTIONS To connect the equipment refer to one of the two wiring diagrams enclosed with this user s manual depending on whether you are using an AC or DC type power unit motor Also refer to the DC power supply wiring diagram when using a DC type motor PF 6 rev 07 7 Heating unit Fan gt Controller COMPLETE PF 6 CONTROLLER SETUP TEMPERATURE KS PROBES NI l 0 PRIMARY PF6 Power unit Alarm PF 6 rev 07 8 Use the electrical knockouts provided at the bottom of the enclosure Do not make additional holes in the enclosure Set the voltage switch to the appropriate line voltage CONCERNING THE ALARM CONNECTION There are two types of alarms in the industry One type activates when current is cut off at its input whereas the other activates when current is supplied at its input For an alarm of the first type use the NO terminal as shown on the wiring diagram For an alarm
6. Potentiometer Feedback Inlet Controller PF 6 USER S MANUAL SJ i d POTENTIOMETER FEEDBACK 5 INLET CONTROLLER g 2 2 5 8 TABLE OF CONTENTS PRECAUTIONS eene nnne nnns 3 FEATURES EFE blas 4 LOCATION OF THE CONTROLS 5 CONTROLLER STATUS LEDS nsise 5 INTERNAL SWITCHES 6 INSTALLATION PROCEDURE 7 PF 6 OPERATION 15 OVER OPENING STAGE 42 4 18 BEFORE CALIBRATING THE REFERENCE POINTS 20 CALIBRATION PROCEDURE eene 21 CONTROLLER FUNCTIONS 23 ACTUAL OPENING errante 23 IDENTIFICATION NUM 24 OVER OPENING SETTING ee nens 25 PROGRAM MING 26 ALARMS READOUT 27 ALARMS HIGH 8 28 ALARMS 10 6 6 69 694959 5 9 29 ROOM TEMPERATURE nnn mens 30 TROUBLESHOOTING GUIDE 31 TECHNICAL SPECIFICATIONS
7. R POWER CABLES WHEN CROSSING OTHER POWER CABLES CROSS AT 90 THE PF 6 ALARM PILOT LIGHT IS ON BUT THE ALARM IS NOT ACTIVATED THE F5 ALARM FUSE IS OPEN THE DISPLAY BOARD INTERCONNECT CABLE IS UN PLUGGED FROM THE POWER SUPPLY BOARD THE WIRING IS INCORRECT THE PF 6 ALARM IS DEFECTIVE THE PF 6 IS DEFECTIVE LISTEN TO SEE IF THERE IS A CLICKING SOUND WHEN THE ALARM PILOT LIGHT TURNS ON IF THERE IS NO CLICKING SOUND THE PF 6 IS DEFECTIVE CONTACT YOUR DISTRIBUTOR TO REPAIR THE CONTROLLER PF 6 rev 07 31 TECHNICAL SPECIFICATIONS Supply 115 230 1896 8 50 60 Hz overload and overvoltage protection fuse F6 1A fast blow 12 VDC for AC back up supply can activate the inlet and alarm if supplied with DC back up voltage Power unit 50 60 Hz 30 VDC motor output fuse F1 5A slow blow Alarm ON OFF output 115 230 VAC 50 60 Hz 30 VDC fuse F4 3A slow blow Potentiometer 5kOhms to 10kOhms Probes Low voltage lt 5V isolated from the supply Operating range 40 0 to 120 0 F 40 0 to 49 C Accuracy 1 8 F 1 between 41 and 95 F 5 and 35 C Enclosure ABS humidity and dust tight 32 PF 6 rev 07 FACTORY SETTINGS PARAMETER FACTORY SETTINGS RANGE OF VALUES T 0 5 20 F 5 0 5 20 OVER OPENING 0 5 20 F BANDWIDTH 0 3 11 17 PF 6 rev 07 33
8. R INLET OPENING CALIBRATION URNS ON WHEN PF 6 IS IN CALIBRATION MODE FLASHES WHEN ALIBRATION IS FINISHED AND SWITCH 7 IS STILL IN ON OSITION LOCKED URNS ON WHEN THE PARAMETERS ARE LOCKED AND CANNOT BE ADJUSTED TURNS ON WHEN THE NUMBER DISPLAYED IS IN FAHRENHEIT F DEGREES FLASHES WHEN THE NUMBER DISPLAYED IS IN CELSIUS DEGREES ALARM TURNS ON WHEN AN ALARM IS DETECTED PF 6 rev 07 5 ON INTERNAL SWITCHES 123 4 5 6 7 8 9 101112 The internal switches are located on the inside of the front cover When the controller is shipped from the factory all the switches are set to OFF UNLOCKED PARAMETERS LOCKED PARAMETERS FAHRENHEIT DEGREES CELSIUS DEGREES SUMMER PROGRAM WINTER PROGRAM DISABLE TEMPERATURE ENABLE TEMPERATURE ALARMS ALARMS 5 NO TEMPERATURE TEMPERATURE PROBE PROBE PRESENT SLAVE UNIT PRIMARY UNIT ef Gie basen NORMAL MODE DROP MODE 11 RESERVED RESERVED 6 PF 6 rev 07 INSTALLATION PROCEDURE EQUIPMENT LIST Integrating an air inlet control system into your ventilation system requires the following equipment aComlink 2 communication module added to your controller aPF 6 controller for each air inlet panel up to 100 in all an alarm system optional
9. ROLLER STAGES OV ER OPENING Room BANDWIDTH Temperature Temperature Set Point Settings B Thebandwidth is displayed alternating with theletters BD B Usetheadjustment knobto adjustthe bandw idth to the desired value PF 6 rev 07 25 PROGRAMMING This function is used to calibrate the air inlet opening for each calibration step A step is created each time a new stage is activated or whenever the speed on a variable speed stage reaches 100 without activating anew stage 4 The step number is displayed as S X where is step number 0 to 28 alternating with the air inlet opening When the step correspond to a speed of 100 ona variable stage with new stage activated Hi is displayed in the alternating sequence and the step number is not incremented When calibrating use the adjustment knob to manually adjust the opening value OFF to stop adjusting CLO to close OPN to open and AUT to retrieve the previously calibrated position Press the push button to calibrate the next step The last step is the over opening stage Press the push button after the over opening stage to end the calibration END is displayed If this is not done none of the calibration steps will be stored in memory Set internal switch 7 to OFF to end the calibration After a calibration the opening of each point can be edited 26 PF 6 rev 07 ALARMS READOUT When an alarm occurs the PF 6 activates t
10. an air inlet opening of 100 Inlet Opening Over Opening Inlet Opening Last Stage Inlet Opening Min Opening CONTROLLER STAGES OVER OPENING Room BANDWIDTH Temperature Temperature Set Point 18 PF 6 rev 07 Drop Mode To use drop mode set internal switch 8 to ON The PF 6 maintains the inlet opening at the value of the last controller stage as the temperature rises above the last reference point temperature When the temperature reaches temperature of the last reference point over opening band width the inlet is opened to the over opening percentage When the temperature drops by 0 5 the inlet returns to the opening of the last controller stage Inlet Opening Over Opening Inlet Opening Last Stage Inlet Opening Min Opening CONTROLLER STAGES OVER OPENING Room BANDWIDTH Temperature Temperature Set Point PF 6 rev 07 19 BEFORE CALIBRATING THE REFERENCE POINTS When to calibrate the reference points B itis preferable to calibrate the reference points w hen the room is empty because adjusting the air inlet openings will cause drafts Operation of the temperature controller Inorder to properly simulate the operation of the ventilation stages adjust parameters at the same value that w ould be used at the first day of anew breeding If variable fans are used to ensure minimum ventilation adjust the minimum speed of the fans at the same speed that w ould be used at
11. ere Stage 2 reaches full speed Figure 3 Ventilation Curve with Variable Speed Stages Ventilation Stage 3 Step 3 Stage 2 Stage 1 Min Ventilation BANDWIDTH OFFSET BANDWIDTH DIFFERENTIAL Room 0 2 C STAGE 1 STAGE 2 STAGE 3 Temperature Temperature Set Point PF 6 rev 07 17 OVER OPENING STAGE OPTIONAL A supplementary stage can be calibrated in order to continue opening the air inlet beyond the last temperature controller ventilation stage This supplementary stage is optional It is used to direct the airflow more efficiently during periods of warm weather When all the reference points of the temperature controller ventilation stages have been cali brated the PF 6 allows you to specify a temperature bandwidth as well as a percentage of air inlet opening for the supplementary stage Normal Mode To use normal mode set internal switch 8 to OFF The PF 6 gradually opens or closes the panels in a linear fashion as the room temperature rises above the last reference point temperature The air inlet opening reaches the percentage specified for the over opening when the room temperature is equal to temperature of the last reference point over opening bandwidth The percentage of air inlet opening is based on the smallest and greatest air inlet openings calibrated for the controller stages The smallest value defines an air inlet opening of 0 and the greatest value defines
12. es in the wrong direction Turn off the power and reverse the wires connected to terminal 3 and 4 Verify that the motor now operates in the right direction Verify limit positions of air inlet panels m Fully close the air inlet panels using the open close switch Adjust the power unit limit switch to this position in order to prevent the power unit from closing further Fully open the air inlet panels using the open close switch Adjust the power unit limit switch to this position in order to prevent the power unit from opening further 14 PF 6 rev 07 PF 6 OPERATION The PF 6 adjusts the air inlet opening according to the operation of the temperature controller ventilation stages As the temperature increases and new stages are activated the inlet is opened or closed accordingly The ventilation curve is divided into steps and the user must program a new air inlet position for each step When the actuator isn t moving a minimum opening or closing percentage is necessay so that the actuator can start to move This user defined value is called hysteresis and can be adjusted from 2 to 10 The hysteresis prevents the actuator from moving constantly Figure 1 below illustrates this Figure 1 Programming Points for Inlet Position Inlet opening A 100 0 4 F Kp 0 gt Temperature Step 0 Step 1 Step 2 Step 3 Set point Step 0 defines the initial position of the air inlet and corresponds to a r
13. he alarm contact and turns on the alarm pilot light The alarm readout function displays all currently outstanding alarm situations This function is not available during calibration Ox Qe ALARM CODE MEANING AL1 COMMUNICATION BETWEEN THE PF 6 AND THE CONTROLLER IS DISRUPTED AL2 CALIBRATION IS NOT VALID POTENTIOMETER IS NOT CONNECTED PROPERLY THE WINCH TRIED TO OPEN CLOSE WHILE IT WAS LEANING ON A LIMIT SWITCH RECALIBRATE THE PF 6 AL3 THE LIMIT SWITCHES HAVE BEEN DISPLACED RECALIBRATE THE PF 6 POTENTIOMETER IS DEFECTIVE AL4 TEMPERATURE PROBE IS DEFECTIVE OR NOT CONNECTED PROPERLY ALS LOW TEMPERATURE ALARM ALG HIGH TEMPERATURE ALARM B Thedisplay shows No alternating with AL when no alarms have been detected Otherwise the display shows an alternat ing sequence of all outstanding alarms as AL X where X is the alarm number If the potentiometer is defective the PF 6 will operate in A security mode when the room temperature is 2 F above the set point the inlet opens according to the cycle 5 seconds ON 120 seconds OFF When the room temperature is 2 F below the set point the inlet closes according to the same cycle PF 6 rev 07 27 ALARMS HIGH This function is used to adjust the offset for the high temperature alarm The alarm contact is activated when the room temperature exceeds temperature set point high alarm offset as show
14. he temperature controller increases the temperature to 120 F to calibrate the over opening step the user can also press the push button for 5 seconds to advance to this step Use the adjustment knob to manually adjust the opening value on each PF 6 unit for the over opening step CLO to close OPN to open AUT to retrieve the previously calibrated position and OFF to finish adjusting Last Step Over Opening Inlet Opening X Inlet Opening CONTROLLER STEP OVER OPENING Room DIFFERENTIAL Temperature Temperature Set Point Press the push button on the primary PF 6 to finish the calibration If this is not done none of the calibrated openings will be saved Each PF 6 displays End Set internal switch 7 to OFF on all PF 6 units PF 6 rev 07 CONTROLLER FUNCTIONS ACTUAL OPENING This function gives a readout of the current air inlet opening as a percentage from 0 to 100 limit values are determined during the calibration This function also allows to modify the needed hysteresis value to activate the actuator Minimum and maximum opening values can also be displayed Note that this function is not available during calibration ACTUAL OPENING The current opening 15 displayed as a percentage Turn the adjustment knob one notch to the right The maximum valueis displayed alternating with the letters Hi Turn the adjustment knob one notch to the left The current opening is displayed Turnthe adjustment knob
15. main controller must have a unique identification number This number is configured using jumpers on the card and should be assigned before plugging the card into each unit To do this use the three jumpers marked X100 X10 and X1 on the card i d numbers can go from 0 to 199 Use X1 for units X10 for tens and X100 for hun dreds In each case place the black jumper horizontally over the two pins corresponding to the digit required ID JUMPERS HP END OF LINE sle JUMPERS The PF 6 network operates on two communication lines One line links the PF 6 units together to the main controller and the other line links temperature controllers to a computer this second line is optional Two jumpers on the Comlink 2 card are used to identify the end of line for each communication line The PF 6 communication line uses jumper J P5 and the computer line uses J P4 Use pins 2 and 3 for YES and pins 1 and 2 for NO The follow ing diagram shows a typical connection with the appropriate jumper configurations 10 PF 6 rev 07 2 Tat 1 SLAVE ol SPB PA 6 ens 5 0 mua SLAVE PF 6 ens SLAVE PF 6 SLAVE un ens PSAPs MAIN CONTROLLER JP5 END OF LINE NO JP4 END OF LINE YES JP5 EN
16. mmunication cable is isolated from all high voltage sources and fluorescent lights Do not route the communication cable and power cables through the same electrical knockout Do not runthe communication cable next to power cables When crossing power cables cross at90 A DO NOT GROUND THE SHIELD WIRE DISCONNECT THE POWER SOURCE BEFORE CONNECT ING THE COMMUNICATION CABLE 5 CONFIGURE THE PF 6 S AS PRIMARY SLAVE If your installation requires more than one PF 6 unit for independent control of different air inlets one of the PF 6 s will be configured as the primary unit and the others will be configured as slaves Up to 99 slave units can be connected in this way When programming the PF 6 s the slave units take their reference temperature from the primary unit and are programmed after the primary unit has determined the next reference point The default setting at the factory is SLAVE Set internal switch 6 to ON for the primary unit or OFF fora slave unit PF 6 rev 07 13 6 VERIFY PF 6 OPERATION m Power the PF 6 and set the function selector to MANUAL MODE position Use the adjustment knob to select OPN to open CLO to close or OFF to stop the winch Verify motor operation Open and close the air inlet panels using the open close switch The air inlet panels should open when the switch is set to OPEN and close when the switch is set to CLOSE If the air inlet panels move the opposite way the motor operat
17. n below The offset can be adjusted from 0 5 F to 20 F 0 3 C to 11 1 Note that internal switch 4 must be set to ON for this alarm to be detected This function is not available during calibration T A HighTemperature Alarm High Offset Set Point Time Settings Thehigh alarm offset is displayed alternating with the letters Use the adjustment knob to adjust the offset to the desired value 28 PF 6 rev 07 ALARMS LOW This function is used to adjust the offset for the low temperature alarm The alarm contact is activated when the room temperature drops below temperature set point low alarm alarm offset as shown below The offset can be adjusted from 0 5 to 20 F 0 3 C to 11 1 C Note that internal switch 4 must be set to ON for this alarm to be detected This function is not available during calibration T A Set point Low offset Time Low temperature alarm Settings The low alarm offset is displayed alternating with the letters Lo Use the adjustment knob to adjust the offset to the desired value PF 6 rev 07 29 ROOM TEMPERATURE This function gives a readout of the current room temperature minimum and maximum temperature values can also be displayed Internal switch 5 must be set to ON and a temperature probe must be connected for this function to work Note that this function is not available during calibration
18. nlets according to the position currently stored in memory Minor adjustments can then be made to an existing calibration The calibration is saved only at the end of the sequence when the word END is displayed 1 internal switch 7 to ON on all PF 6 units If the calibration led on a unit is flashing set switch 7 to OFF and then back to ON Air inlets are completely closed and the display shows CLO Then OFF is displayed alternating with S 0 step 0 The temperature controller operates according to the set point value minus 0 4 F 0 2 Room Tempera ture Temperature Set Point 2 Usethe adjustment knob to manually adjust the opening value on each PF 6 unit for this reference value CLO to close OPN to open AUT to retrieve the previously calibrated position PF 6 rev 07 21 22 When finished adjusting use the adjustment knob to return to the off position Press the push button on the primary PF 6 unit to record air inlet positions for all PF 6 units note that the push button on slave units is disabled during calibration The temperature controller increases the temperature to the next step A new step is created either when a new stage turns on or when a variable stage reaches maximum speed When the second case occurs the step value is not incremented and the PF 6 displays Hi Repeat steps 2 3 and 4 until the last stage on the controller is reached When the last stage has been calibrated t
19. of the second type use the NC terminal ALLWIRING MUST BE DONE BY AN AUTHORIZED ELEC A TRICIAN AND MUST COMPLY WITH APPLICABLE CODES LAWS AND REGULATIONS BE SURE POWER IS OFF BEFORE DOING ANY WIRING TO AVOID ELECTRICAL SHOCK AND EQUIPMENT DAMAGE TEMPERATURE PROBES If your PF 6 unit is supplied with a tempera ture probe connect it to terminal PROBE 1 and set internal switch 5 to ON Note that the PF 6 will operate with no temperature probes connected to it However the room temperature position on the func tion selector will not function in this case This probe can be extended up to 500ft 150m To extend the probe Usea shielded cable of outside diameter between 0 245 and 0 260 in 6 22 and 6 60 mm to ensurethe cable entry is liquid tight the cable dimension must not be under 1 8 AWG is preferable to solder the cable joint to ensure a proper contact between the two cables H Do not ground the shielding PF 6 rev 07 9 CAUTION The probes operate under low voltage and are isolated from the power supply Be sure the probe cable is isolated from all high voltage sources Do not route the probe cable and other power cables through the same electrical knockout Do not run the probe cable next to other power cables When crossing over other power cables cross at 90 3 CONFIGURE ID AND END OF LINE J UMPERS ON COMLINK 2 CARDS Each Comlink 2 card used to communicate parameters betw een PF 6 units and the
20. one notch to the left The minimum valueis displayed alternating with the letters Lo Press and hold the push button during 5 seconds The hysteresis is displayed alternating with the letters HYS Use the adjustment knob to adjust the hysteresis to the desired value Note If you let the display flash for more than 10 seconds the controller resets the minimum and maximum opening values currently in memory In other words the two values are reset to the current opening value To avoid resetting minimum and maximum values return to the current opening display using the adjustment knob clockwise or counterclockwise before the 10 second delay has elapsed PF 6 rev 07 23 IDENTIFICATION NUMBER This function displays the identification number of the PF 6 along with its primary slave status The identification number is set using jumpers on the printed circuit board see chapter on installation Note that this function is not available during calibration Settings B Theidentification number is displayed alternating with ID and PRI or SLA fora primary or slave unit 24 PF 6 rev 07 OVER OPENING SETTING The over opening bandwidth is used to open the air inlet further when the last reference point temperature has bean reached It can be adjusted from 0 5 to 20 F 0 3 to 11 1 C Note that this function is not available dur ing calibration Last Stage Over opening Inlet Opening Inlet Opening CONT
21. oom temperature of 0 4 below the controller set point This normally corresponds to the minimum ventilation cycle PF 6 rev 07 15 The other steps follow according to the ventilation curve A step is added each time a new stage is activated by the temperature controller Figure 2 below shows an example of this Figure 2 Ventilation Curve with Constant Speed Stages Only Ventilation Stage Die Step 2 51896 1 Tstep 1 Step 0 e DIFFERENTIAL STAGE 1 DIFFERENTIAL STAGE 2 Room Temperature Temperature Set Point This example has two constant speed ventilation stages Step 1 corresponds to the activation of the first ventilation stage at temperature set point differential 1 Step 2 corresponds to the activation of the second ventilation stage at temperature set point differential 1 differential 2 16 PF 6 rev 07 A step is also added when the speed on a variable speed stage reaches 100 without activating a new stage Figure 3 below illustrates this In this example a step is added when the first ventilation stage reaches full speed at temperature set point bandwidth 1 even though no new stages are activated at this point This step is called Step 1 Hi the step number is not increased as we are dealing with the same ventilation stage as Step 1 Step 2 corresponds to the activation of Stage 2 and Step 2 Hi defines the point wh
22. the first day of anew breeding Be sure that the circuit breakers at the service panel and all other protection devices are in a position such that the fans can be activated Air inlet panel position B Install a static pressure measuring device or determine in advance the position required at each reference point by calculating according to the fan airflow the opening that will maintain the desired air speed at the inlet PF 6 intemal switches H Set the lock switch to OFF in order to unlock the automatic mode Using the season switch select the season you want to program 20 PF 6 rev 07 CALIBRATION PROCEDURE This section describes the calibration procedure for a primary slave installation Slave units allow an independent control of additional air inlets The PF 6 leads you through the procedure by gradually increasing the room temperature to simulate the complete operation of the temperature controller from the minimum ventilation cycle up to the last ventilation stage Each time the room temperature reaches a step point temperature the PF 6 waits for you to adjust the air inlet panels to the required position for this step point You can determine the required position either by measuring the static pressure in the room or by calculating the opening that will maintain the desired air speed at the inlet based on the fan airflow Note that when you advance to a new step point in the sequence the PF 6 can position the i
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