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PBx Power Blocks - Phason Controls

1. 12 Chapter 2 Installing the PBx Power 13 What you need to know before installing sasssenesar eaaa nane n anana nan anana nang 13 Understanding power surges and surge 13 Reducing electrical noise using filters 14 Using power contactors to increase the Capacity of 15 EIS CUIGAl AUN OS sana asa a D mr 15 ai OAV Okan cS 16 PADA HAV OU MEE 18 EHCIOSUFe dIrmerstoriSasu dece edd aaa xus e toco tutela va a ta a dates ajak aaa KE aude etie aln ende 19 Mounino the c dC ERE 20 Connecting equipment tothe PBX ecco i o e n veo eH uae veo anita ere Cere Ea ere 20 COMMECUNG ACLU ALONG m LL 20 Connecting single stage heating or cooling 8 22 Gro ala seine cunan nico ETT ET DU 23 Connecting equipment to the AC variable StaQeS cccccccsssseeeeeeeeeseeeeeesaeeeeeeeesaeseeeeessaaeeeeeesaaaeeeess 24 USING three Phase POWO L R 25 Connecting variable frequency drives to DC variable
2. 25 COMMECUNG an sy SIC I eects oo aa ka aa a aaa 26 Connecting temperature probes as aa aaa kaa pa Kap saa ank aa aa aka nennen aa KAN aa a Da a a a aa a n sna aaa na anra 27 Connecting the communication wiring esseeeeeseseseee eene nnn nnns nnns 28 Connecting the power sasae eaaa anana aana aaa nennen nnn nns aana naen aisi isisa sinn rss saa aan nnns 29 PISANG ASIN SUA UO RN EO OT DSL 29 amp suot cota dum vade pomis a aaa akng oct tiet ole ee 30 COSTA COV OT T IECUR 30 Chapter 3 Using and maintaining PBX sese 31 Monitoring and adjusting temperatures 31 Acknowledging i aaa Tah pae ah an a ja desea c an a et ase Du i ce RU aana nan d a an a anan 31 AdJUSUng the group SEL POINT mec a D aaa Ba Ka a eat 32 Testing and maintaining aana anana nnne nenne anaa nana anna sanas senes sns 33 Using temperature Test mOGOG Gere E ieee ae 33 SING manual MERE ETE m UL 33 GADING AGNI OT RN ROTE ttm 34 Servicind ANG rrialhiaibihc Ie PBX 2 apse e uo o ode M repa eu bes vetas ajari a 35 Updatirig the
3. ie dena Eve epe E eie t a Coe ihe uoc ca iso tes toT dro Five te cele 37 ADD NGIM S elastin aaa Er CE deae 39 Append ACCGIOSSdI Y 39 e m 40 auccm ooo pu etu om ru mie eee 40 kelel t ig ojei io DO D QUEE 41 Determining correct actuator feedback wiring 43 Appendix C Installation worksheets cccccsssseecccceeseeeeccceessececscaeuecececeusseeeesseaueeeeesseaueeeeessaageeeesssaages 44 Example WOIKSDeel sens no ee ee ee aee ee ee 44 Iristallatlor WOIKSHe els doceo cocco a octo E t Pte ett beetle 45 lig es eel e c T 49 Vi PBx Power Blocks electronic control systems Chapter 1 Introducing the PBK Power Blocks Introducing the PBx Power Blocks below Becoming familiar with the PBx below Introducing the PBx Power Blocks PBx Power Blocks are designed to control ventilation equipment for a single room Power Blocks work with the Select Ventilation module of OMNI Select to control equipment according to your programmed settings There are two models of PBx Power Blocks PBx 10 and PBx 11 Features PBx 10 PBx 11 Notes Heat or cool Heat or cool Heat c
4. Voltage selection switch set this switch to the correct voltage before installing the PBx 10 AC variable stage fuses F1 F2 15 A 250 VAC ABC type ceramic F1 variable stage 1 F2 for stage 2 General purpose relay terminals RLY1 to RLY6 connect single stage on off equipment to these terminals You can configure these relays as heat cool duty cycle curtain or actuator control Incoming power terminal connect the incoming power 120 230 VAC 50 60 Hz to this terminal AC variable stage terminals VAR1 VAR2 connect variable speed fans to these terminals 8 AEE Phas electronic control systems PBx Power Blocks Alarm relay terminal connect an external alarm system or alarm siren to this terminal Actuator feedback terminals ACT 1 and ACT 2 connect the feedback from the actuators to these terminals Temperature probe terminals TEMP1 to TEMP4 connect the temperature probes to these terminals Display cable make sure the ribbon cable from the display is properly connected to the socket Communication connector connect the communication wiring to this socket DC variable stage terminals VAR3 VAR4 connect variable frequency drives or other equipment that requires a 0 to 10 VDC input signal Saver connector connect the optional PBx Updater when updating firmware Termination jumpers If this is the last device on the communication channel remove both of the shunts from
5. 33 34 MOSO T 36 37 O outdoor temperature probe See temperature probes 10 optional 7 11 PBX 10 Updater 9 10 37 38 37 38 potentiometer See feedback potentiometer power See incoming power or three phase power power contactors 15 DOW Cl SUI CS NE Na 13 preventing moisture 36 37 probes See temperature probes R responding to alarms 31 32 ribbon cable 17 19 S sealing Mew US See moisture servicing the PBx 10 35 37 35 37 49 Index single stage cooling heating 22 surge 13 T temperature averaging 27 temperature probes 11 17 19 temperature test mode 33 terminals eese 16 18 50 electronic Sen three phase 25 U updating firmware 37 38 37 38 V variable stages 16 18 24 voltage selection switch 16 18
6. Inlet open Inlet close Lights Electric heat VFD 1 disconnect VFD 2 disconnect a e e e e T T lt er er e a e e lt a e 5 T lt 1 gMnletopen NN 2 Mnletolose M _ 3 lig s 4 Electricheat 1 5 disconnect gt 6 VFD2disconnect ANAN MN gt MEN PBx Power Blocks electronic control systems Installation worksheets PBx information Name Address Building Model Variable stages Heat Co Nn nn nn mi Nn nn nn S ee PBx 10 DC stages function independently from the AC stages meaning they can have different settings PBx 11 DC stages are dependent on the AC stages meaning they follow the same settings as AC stages 1 UE mm Relays 7 to 9 are available in the PBx 11 only 45 Appendix C Installation worksheets electronic controi systems PBx information Name Address Building Model Variable stages mf PBx 10 DC stages function independently from the AC stages meaning they can have different settings PBx 11 DC stages are dependent on the AC stages meaning they follow the same settings as AC stages Description TED e CCE A ee CC
7. VAR 1 AC VAR 2 AC 0 VAR 3 DC VAR 4 NGO RELAY 1 RELAY 2 RELAY 3 RELAY 4 RELAY 5 RELAY 6 SETPOINT TEMPERATURE TEST MANUAL OVERRIDE 4 ACTUATOR CALIBRATION ACTUATOR CALIBRATION zx e MANUAL OVERRIDE PBx Power Blocks Phason Inc rights reserved Printed in Canada 32940002 2013 12 12 Limited warranty This warranty applies only to the Phason PBx 10 and PBx 11 Power Blocks PBx If you need watranty service return the product and original proof of purchase to your dealer Phason Inc Phason warrants the PBx subject to the following terms and conditions This warranty is valid only to the original purchaser of the product 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 PBx fail because of improper workmanship Phason will repair the unit effecting all necessaty parts replacements without charge for either parts or labor Conditions Installation must be done according to our enclosed installation instructions The product must not have been previously altered modified or repaired by anyone other than Phason The product 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
8. Alarm relay terminal connect an external alarm system or alarm siren to this terminal Display cable make sure the ribbon cable from the display is properly connected to the socket Pulse counter terminal do not use this terminal Communication connector connect the communication wiring to this socket DC variable stage terminals V1 V2 connect variable frequency drives or other equipment that requires a 0 to 10 VDC input signal Saver connector connect the optional PBx Updater when updating firmware Termination jumpers If this is the last device on the communication channel remove both of the shunts from the jumper pins If this is not the last device leave the shunts on the pins For more information read Connecting the communication wiring on page 28 den eXtend Zone connector if you are using the eXtend Zone temperature system connect the control unit here Enclosure dimensions 9 00 inches in 23 00 centimetres cm Mounting the PBx Phas n electronic controi Systems Mounting the PBx Mount the control on a sheltered vertical surface Mount the control with the electrical knockouts facing down Mount the control away from sources of moisture and heat To mount the PBx 1 Select a location for the control Make sure you have enough cable and wire to reach all the equipment fans heaters misters curtains etc that you want to control 2 Remove the screws from th
9. een 17 19 26 27 31 32 averaging See temperature averaging C Calibrating actuators 33 35 egg m em 36 clearing alarms 31 32 communication Wiring 28 connecting ciere i e 20 22 alarm systems 26 27 curtain 23 incoming 29 single stage cooling heating elements 22 variable stage elements 24 contactors See power contactors See power contactors See power contactors 23 D DC ACU ALOIS See actuators BEE N 8 display 17 19 electrical 14 extending temperature probes 11 F feedback potentiometer 17 19 43 35 43 E 14 PBx Power Blocks MITA UE E RR E T 3 38 37 38 furnace See single stage cooling heating USOS ERIT 16 18 G group set 31 33 incoming power 16 18 29 See also three phase power M MAIN CIS DIAY 8 maintaining the PBx 10 35 37 35 37 manual override
10. v UN W phason ca 2 5 lt Phason Inc 2 Terracon Place Winnipeg Manitoba Canada Phone 204 233 1400 E mail Support phason ca Fax 204 233 3252 Web site www phason ca R2J 4G7
11. fan set point is 5 degrees higher 85 F and a single stage heater set point is 7 degrees lower 73 F If you lower the group set point by 5 degrees to 75 F the set points for the fan and heater will also be lowered by 5 degrees to 80 F and 68 respectively To adjust the group set point 1 Press and hold Unlock for three seconds until the control beeps and the unlock indicator is lit SET POINT 2 Press SET POINT Q The display shows the current set point The SET POINT indicator is lit Press Up or Down to adjust the set point 4 Press Lock to return to the main display 32 PBx Power Blocks electronic control Systems Testing and maintaining equipment Maintaining your equipment will extend its life and the life of the control Using temperature test mode Temperature test mode allows you to test your equipment and programmed settings by simulating the temperature Instead of adjusting the output of a variable stage or state of a relay you adjust the test temperature As you increase or decrease the test temperature the stages and relays operate according to their programmed settings and the test temperature This gives you an idea of how your system performs over a full range of temperatures The variable stages and relays remain operating according to the test temperature until you exit temperature test mode o When the PBx is in temperature test mode it operates the e
12. manually exit o If you leave the PBx in any other mode or function the control returns to the main display and locks after five minutes without any key presses Buttons Up Select Increase the value When in actuator calibration start calibration Unlock Down TEMPERATURE Press and hold Decrease the value TEST for 3 seconds to unlock functions SET POINT Function buttons When unlocked press to activate the function q MANUAL OVERRIDE ACTUATOR CALIBRATION 10 status LEDs ALARM Q9 Flashes when there is an alarm condition NETWORK Flashes when sending information and on solid when receiving VAR 1AC Q RELAY 4 Stage lights VAR2 AC RELAY 5 show which stages are active VAR 3 DC RELAY 6 Stage lights Show which stages are active VAR 4 DC SET POINT o RELAY 1 TEMPERATURE TEST 4 Function lights RELAY 2 MANUAL OVERRIDE show which function is active RELAY 3 ACTUATOR CALIBRATION Power Blocks electronic control systems PBx 11 status LEDs ALARM Flashes when there is an alarm condition VAR 1 Flashes when sending information and on solid when receiving VAR 2 Q RELAY 7 Stage lights RELAY 1 RELAY 8 Show which stages are active show which stages are active RELAY 3 SET POINT RELAY 4 TEMPERATURE TEST Function lights RELAY5 MANUAL OVERRIDE Show which function is active RELAY 6 ACTUATO
13. of the equipment must not exceed the ratings of the PBx s variable stages Variable AC stage ratings 10 A at 120 230 VAC general purpose resistive 7 FLA at 120 230 VAC PSC motor 1 2 HP at 120 VAC 1 HP at 230 VAC PSC motor Variable AC stage fuses 15 A 250 ABC type ceramic Refer to Appendix C Installation worksheets on page 44 when connecting equipment to the variable stages To connect variable heating or cooling elements Connect variable heating or cooling elements to the PBx as shown below E VAR You can choose one of several motor curves for PBx Power Blocks Use the curve recommended for your fan model For more information read the Configuration section of the Select Ventilation user manual 24 PBx Power Blocks electronic control Using three phase power If you are connecting the PBx to a three phase system make sure to connect the control power and the variable cooling equipment to the same phase The PBx must be powered from the same phases that supply the equipment If the PBx power and the variable stages are wired to different phases the equipment will operate erratically Correct three phase wiring L1 L2 Incorrect three phase wiring Connecting variable frequency drives to DC variable stages The PBx 10 has two 0 to 10 VDC signal outputs for contro
14. temperature for the zone Short term deviations or changes from a desired voltage level or signal These deviations can cause damage to electronic devices or cause them to malfunction Spikes are often caused by sudden excess power also known as power surges ot by drops in power knows as brown outs spikes For more information read Understanding power surges and surge suppression on page 13 terminal block The part of the PBx where you connect the wires for incoming power control elements and so on For more information read PBx 10 layout on page 16 39 Appendix B Troubleshooting Phas n Appendix B Troubleshooting If you see an alarm message and are not sure what it means look it up in the Alarm and error messages table below and then follow the instructions for resolving the alarm condition If you are having a problem using the PBx see if the problem is described in the Troubleshooting table on page 41 and then follow the directions for correcting the problem Alarm and error messages The following table lists the alarm and error messages the possible causes and their possible solutions If you see a message and are not sure what it means look it up in the table and then follow the instructions for resolving the condition Alarm message Possible cause Possible solution m The temperature has gone above the gt Try to lower the temperature by turning D high temperature alarm point
15. the jumper pins If this is not the last device leave the shunts on the pins For more information read Connecting the communication wiring on page 28 eXtend Zone connector if you are using the eXtend Zone temperature system connect the control unit here What you need to know before installing electronic controi Systems PBx 11 layout ASSY 152204 RLY 3 RLY 4 RLY 5 RLY 6 ULSEINPUT VAR3 VAR4 55060 SAVER Voltage selection switch set this switch to the correct voltage before installing the PBx 10 AC variable stage fuses F1 F2 15 A 250 VAC ABC type ceramic F1 variable stage 1 F2 for stage 2 General purpose relay terminals RLY1 to RLY9 connect single stage on off equipment to these terminals You can configure these relays as heat cool duty cycle curtain or actuator control AC variable stage terminals VARI 1 VARI 2 connect variable speed fans to these terminals Incoming power terminal connect the incoming power 120 230 VAC 50 60 Hz to this terminal PBx Power Blocks electronic control Temperature probe terminal TEMP connect the temperature probe to this terminal Actuator feedback terminals ACT 1 FB ACT 2 FB connect the feedback from the actuators to these terminals
16. C CC COO CC Relays 7 to 9 are available in the PBx 11 only 46 PBx Power Blocks electronic control systems PBx information Name Address Building Model Variable stages wa _ NO S E Tue PBx 10 DC stages function independently from the AC stages meaning they can have different settings PBx 11 DC stages are dependent on the AC stages meaning they follow the same settings as AC stages 1 UL E emm reo rece Relays 7 to 9 are available in the PBx 11 only 47 Appendix C Installation worksheets electronic controi systems PBx information Name Address Building Model Variable stages mf PBx 10 DC stages function independently from the AC stages meaning they can have different settings PBx 11 DC stages are dependent on the AC stages meaning they follow the same settings as AC stages Description TED e CCE A ee CCC CC COO CC Relays 7 to 9 are available in the PBx 11 only 48 electronic SAn Index A AC See actuators acknowledging alarms 31 32 actuators COM PALIN aii 33 35 connecting 20 22 feedback 17 19 35 43 alarms
17. R CALIBRATION Available accessories and kits Several optional convenient accessories are available to enhance and extend the PBx Power Blocks For more information about any of these accessories contact your dealer or visit www phason ca Power contactors Phason s 240 volt power contactors are heavy duty relays that allow you to increase the load handling capability of control relays Power contactors are ideal for secondary ventilation fans and electric heaters Power contactor relay PC 240 includes power contactor relay and mounting hardware for easy mounting in an enclosure Power contactor kit 122 1 includes power contactor relay on off auto switch and label snubber filter reduces electrical noise and mounting hardware for easy mounting in an enclosure Power contactor unit 129 0 includes two power contactor relays two on off auto switches and two snubber filters mounted in a large enclosure The enclosure has room for two additional contactor relays or kits Phason s power contactor relays have the following electrical ratings Coil 10 2 mA at 240 VAC contacto Contact 25 Aat 240 VAC resistive 2 HP at 240 VAC 1 HP at 120 VAC motor power factor 0 4 1300 W at 120 VAC tungsten Becoming familiar with the PBx Power Block Phas n electronic contro systems PBx Updater The PBx Updater is an innovative and easy to use product that allows you to upgrade the PBx s firmware Ph
18. and you switch it ON it remains on until you leave manual override mode o When the PBx is in manual override mode it does not operate the equipment according to the measured temperature o The PBx does not exit test mode on its own When you are finished testing press Back until the control exits test mode To use manual override G 1 Press and hold Unlock for three seconds until the control beeps and the unlock indicator is lit 2 Press MANUAL OVERRIDE The display shows 20 the output percentage for variable 1 MANUAL OVERRIDE The MANUAL OVERRIDE indicator is lit and the VAR 1 1 AC indicator flashes 3 Adjust the output of the stages or states of the relays To move through the stages and relays press MANUAL OVERRIDE Each time you ptess the button the indicator for the stage or relay flashes and the output state displays The order is listed below PBx 10 PBx 11 Variables 1 2 3 4 1 2 Relays 1 2 3 4 5 6 Alarm 1 2 3 4 5 6 7 8 9 Alarm Actuators 1 2 1 2 To adjust the output or state press Up Down 4 When finished press Lock to return to the main display The control returns to normal operation Oo actuator has not been calibrated the display shows ifte AL for that item o If you have two relays configured for actuator or curtain control one for open and one for close the control will NOT let you have both relays on at the same time Calibrati
19. ason constantly improves and adds new features to products With the PBx Updater you can upgrade the firmware in your PBx Power Blocks as new features become available It takes only seconds to use and can upgrade all PBx controls of the same model at your site PBx Updater features Quick and easy to use Versions available for each model of PBx Power Block Compact design that fits in a pocket 90 day limited warranty Multipoint wireless system Phason s line of wireless adapters are for customers who want to avoid running communication cable between buildings or to remote hard to get to devices ot locations The multipoint wireless system PWA MULIT consists of a Multipoint Coordinator two Slave Units and a power supply You can purchase additional Slave Units and power supplies to expand your communication network to 32 Slave Units The Coordinator connects to one of the communication channels after the RS485 Converter The Coordinator communicates with the Slave Units The Slave Units send information from the OMNI Select devices to the Coordinator The RS485 Converter receives information from the Coordinator and sends it to the OMNI Select software Wireless range Phason Wireless Adapters have a line of sight range of 1 mile and an indoor range of up to 300 feet The indoor range can vary depending on the building structure and interference from other electrical devices Features One Multipoint Co
20. back wires for damage or em received the correct response from improper installation For more E the positioning motor information read Determining correct i actuator feedback wiring on page 43 dE ED D Recalibrate the actuator For more T information read Calibrating actuators on Actuator jam alarm page 34 The third digit shows which actuator 1 or 2 the alarm is for Troubleshooting The following table lists some problems possible causes and possible solutions If you are having a problem using the PBx see if the problem is described in the following table and then follow the directions for correcting the problem If the problem is not listed here it could be a problem with the configuration and or settings For troubleshooting information about configuration and settings read the Troubleshooting section in the Select Ventilation user manual Problem Possible cause Possible solution Power supply components blown out Power surge brownout or power o Avoid the problem in future by Burn marks on boards and outage providing proper voltage and components protection for the control Motors and fans slow down or stop No power and or display A circuit breaker at service panel is off gt Reset the circuit breaker or tripped Incorrect wiring Correct the wiring The display board connect cable is not gt Plug the display board cable For plugged into the control board more informat
21. d then install a Phason probe Check the extension cable connection Resolder it if necessary Replace the temperature probe Correct the wiring For more information read Connecting equipment to the PBx on page 20 o In Select Ventilation select the recommended motor curve For more information read the Configuration section of the Select Ventilation user manual Correct the wiring For more information read Connecting equipment to the PBx on page 20 o Check why the fuse was blown and repair any problems Replace the fuse o Switch on the power Replace the equipment o Reset the breaker o n Select Ventilation select the recommended motor curve For more information read the Configuration section of the Select Ventilation user manual Correct the wiring For more information read Connecting equipment to the PBx on page 20 Correct the wiring For more information read Connecting equipment to the PBx on page 20 Correct the wiring For more information read Connecting equipment to the PBx on page 20 o Switch on the power Replace the equipment o Reset the breaker Solve the problem that caused the relay to blow and then replace the relay or circuit board electronic control PBx Power Blocks Determining correct actuator feedback wiring After installing a new actuator ot potentiometer or due to age related potentio
22. e DOOL o Before connecting the power set the voltage selection switch to the correct voltage o If you are using three phase power make sure the control power and the variable speed fans are connected to the same phase For more information read Using three phase power on page 25 o Before connecting the incoming power switch OFF the power at the source o Do not switch ON the power until you have finished all wiring and verified all equipment is properly connected and free of obstructions To connect the incoming power source 230 You can connect the PBx to 120 or 230 VAC 50 or 60 Hz power 1 Setthe voltage select switch to the correct voltage setting Hs 2 Connect the incoming power soutce as shown below L1 L2 N Finishing the installation After installing and connecting equipment to the PBx Power Block you are ready to finish the installation Before you start configuring the Power Block you need to verify the connections and close the PBx 29 Finishing the installation electronic controi Systems Verifying your connections Make sure the Installation worksheets correspond to the way the equipment is connected to the PBx You will need the worksheets when configuring and programming the Power Block in the Select Ventilation software It also is important that the connections and the worksheets are the same so you can be sure you are controlling the equipment you think you are cont
23. e front cover and then gently lift it off 3 Mount the enclosure to a wall using the four screws provided with the control Insert the screws into the large holes in each corner of the box and tighten Connecting equipment to the PBx Follow these instructions when installing the PBx and connecting equipment to it Use the electrical knockouts for bringing wires or cables into or out of the PBx enclosure Do not make additional holes in the enclosure this can damage the watertight seal or control components and void the warranty The PBx s manual override is useful for testing your equipment after you have installed it For more information read Using manual override on page 33 Connecting actuators You can connect two actuators to a PBx Actuators are used for control elements that are not OFF ot ON Instead they vaty by a percentage For example inlets can be opened various distances from percent to 100 percent Typically linear actuators are connected directly to the inlets or by cables and pulleys Inlets are generally located in the ceiling or walls Inlet systems are usually spring loaded to aid in closing the inlet or counter weighted to aid in opening the inlets 20 PBx Power Blocks electronic control systems Feedback potentiometers Each actuator you connect must have a feedback potentiometer The feedback potentiometer which you connect to one of the PBx s two corresponding feedback t
24. e probe as shown in the following diagram Do not run the probe cable in the same conduit as ee AC power cables i TEMP 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 To connect temperature probes for four zone averaging on a PBx 11 Connect four temperature probes as shown below E You must use four probes for averaging Using two three or more than four probes measures the temperature incorrectly Connecting the communication wiring Power Blocks communicate with the computer through the RS485 FD Converter The RS485 FD connects to all OMNI Select devices using CAT5 communication cable You can find complete instructions for connecting the communication wiring in the RS485 FD Converter installation guide and the OMNI Select user manual 5 28 Phas n PBx Power Blocks electronic control systems Termination jumpers The last device on the communication channel must have the termination jumpers removed All other devices on the communication channel must have determination jumpers in place When connecting the communication wiring make sure to place the jumpers in the proper positions shunt position for the last device shunt position for all other devices on the communication channel on the communication channel Connecting power sourc
25. em closed on alarm Normally closed system open on alarm Connecting temperature probes The PBx comes with a 30 foot temperature probe you can extend up to 500 feet o When routing the temperature probe cables do not run them in or along the same conduit as AC power lines o Replace damaged probes as soon as possible If there are no working probes the PBx uses the group set point as the ambient temperature PBx 10 The PBx 10 has four temperature probe terminals TEMP1 to TEMP4 Automatic zone temperature averaging is available with additional temperature probes The PBx 10 averages the temperatures of all probes to provide a more balanced temperature reading in the room If you are connecting more than one probe you must enable the additional probes By default probe 1 TEMP1 is enabled and probes 2 3 and 4 are not enabled For more information read the Configuring Power Blocks section of the Select Ventilation user manual Connecting equipment to the PBx Phas n electronic controi Systems PBx 11 The PBx 11 has one temperature probe terminal TEMP If you want four zone temperature averaging you must connect four temperature probes together For more information read To connect temperature probes for four zone averaging on a PBx 11 below To connect temperature probes Follow the guidelines below and connect the temperatur
26. erminals lets the control know how far the actuator s arm is extended Most linear actuators are available with potentiometer feedback and internal adjustable limit switches A 10 000 ohm 10 turn feedback potentiometer is preferred but the internal feedback potentiometer can range between 1000 and 20 000 ohms Potentiometers outside of this range will affect the precision to which the PBx can control the actuator A system operates more precisely when using the largest amount of stroke that is feasible with the actuator The stroke is the distance the actuator arm extends or retracts o Referto Appendix C Installation worksheets on page 44 when connecting actuators The ratings of the actuator must not exceed the ratings of the PBx s relays A PBx relay ratings 10 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 To connect actuators Connect actuators to the PBx 10 as shown below Refer to your actuator s installation guide for information about its power supply requirements DC powered actuators AC powered actuators OPEN CLOSE OPEN CLOSE _ aa FEEDBACK RLY4 RLY5 RLY4 RLY5 L1 L2 NEUTRAL 21 Connecting equipment to the PBx Phas n electronic controi Ssystems o If you are unsure of the potentiometer wiring for your actuator read D
27. etermining correct actuator feedback wiring on page 43 o When routing the actuator feedback wires do not run them in or along the same conduit as AC power lines o f you are measuring AC power with a digital multimeter DMM note that if a limit switch opens the circuit the DMM measures voltage after the relay switch even if the relay is open Connecting single stage heating or cooling elements Heating or cooling elements include equipment such as electric heaters furnaces single speed fans and curtains The ratings of the equipment must not exceed the ratings of the PBx s relays A PBx relay ratings 10 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 Refer to Appendix C Installation worksheets on page 44 when connecting single stage heating or cooling elements To connect single stage heating or cooling elements Connect single speed heating or cooling elements to the PBx as shown below All other single speed cooling or heating equipment Gas fired furnace or brooder RLY Thermostat inputs N Gas furnaces using hot surface ignition or glow plug can draw more current than indicated on their nameplate and require power contactors For more information contact your furnace dealer PBx Power Blocks electronic control Connecting curtain machines Curtains a
28. f there is moisture wipe it out with a dry cloth and check the cable entry points and rubber gasket for proper sealing 3 If the cable connectors are not sealing apply or Silicon non acetic acid sealant around the cable o Some silicone sealants release acetic acid while curing which can cause corrosion and damage the control Let the silicone cure completely one to three days with the cover open and ensure no moisture enters the control Failure to do this might damage the control and void the warranty 4 Open and inspect the control after two weeks to verify it is sealing properly T Open and inspect the control for moisture once a year Proper care and maintenance ES will extend the life of the control PBx Power Blocks electronic control Updating the firmware The optional PBx Updater is an innovative and easy to use product that allows you to upgrade the PBx s firmware There are PBx Updaters available for each model of PBx Power Block Phason constantly improves and adds new features to products With the PBx Updater you can upgrade the firmware in your PBx Power Blocks as new features become available The PBx Updater takes only seconds to use and can upgrade all PBx controls of the same model at your site PBx Power Blocks display the current version at start up To display the version switch off the power to the control and then obse
29. he pair of wires with the highest measured value are the positive and negative wires Connect the wires to the positive and negative actuator terminals on the control At this time do not be concerned with which wire you connect to which terminal 9 Connect the remaining wire to the feedback terminal 10 Test the actuator using automatic mode to see if the control moves it properly If the actuator moves in the opposite direction than it is supposed to switch the positive and negative wires on the control 43 Appendix C Installation worksheets Phas n electronic controi systems Appendix C Installation worksheets List all the equipment for example fans actuators and curtain machines in the worksheets that you are connecting to the PBx Use the worksheets when you complete the Configuration worksheets in the Select Ventilation user manual There is one example and three blank worksheets Before filling in the worksheets make a copy of them in case you need mote Make sure the equipment connected to the variable stages and relays does not exceed the electrical readings For more information read Electrical ratings on page 15 Example worksheet PBx information Name Finisher 1A Address 12345678 Building Finisher 1 Model PBx 10 Variable stages Description T 36 inch fans 24 inch fans VFD 1 VFD 2 N SEE D T a T o e e e E e e gad Q2 o Description
30. heaters down or off or by increasing or Bp a i l turning on cooling elements such as fans or misters or by a combination of both High temperature alarm Check the temperature probes Check to see if a fan has failed Check the alarm settings For more information read the programming Power Blocks settings section of the Select Ventilation user manual The temperature has gone below the lt Try to raise the temperature by turning low temperature alarm point heaters up or on or by decreasing or turning off cooling elements such as fans or misters or by a combination of both C LL bt Low temperature alarm Check the temperature probes Check to see if a heater has failed Check the alarm settings For more information read the programming Power Blocks settings section of the Select Ventilation user manual A temperature probe is damaged or gt Replace or reconnect the temperature disconnected probe The control should recover ID LA LA automatically Probe damage alarm The second digit shows which probe 1 to 4 the alarm is for 40 Phas n PBx Power Blocks ol systems electronic contr Alarm message Possible cause Possible solution WE GP The control is attempting to open or gt Check the inlet controlled by the actuator NI close an inlet or other element to see if itis mechanically stuck EN _f operated by an actuator and has Check feed
31. icator is lit 2 Press ACTUATOR CALIBRATION until the actuator you want to calibrate displays in The display flashes the current temperature and the ACTUATOR CALIBRATION indicator is lit 3 Press Select to calibrate the actuator The PBx calibrates the actuator While calibrating numbers ACTUATOR CALIBRATION display and the actuator relay indicators flash When complete the display shows d nE 4 Repeat steps 2 and 3 if you need to calibrate the other actuator 5 Press Lock to return to the main display The control returns to normal operation Servicing and maintaining the PBx Servicing and maintaining the PBx will extend the life of the control and your equipment A Before installing or servicing the PBx switch OFF the power at the source 35 servicing and maintaining the PBx Phas n electronic controi systems Cleaning Use caution when washing the room with a high pressure washer clean the surface of the control wipe it with a damp cloth o DO NOT direct a high pressure washer at the control A o Do not use harsh or abrasive cleaners or rub the surface of the control with your bare hands Moisture Moisture will not cause problems with the control if you take proper care during installation 1 After the first two weeks of operation remove the cover from the unit and check inside for moisture Be sure to turn off the power to the control before opening the cover 2 I
32. ion read PBx 10 properly layout on page 16 The 115 230 VAC switch is in the o Switch off the power place the wrong position switch in the correct position and then switch on the power For more information read PBx 10 layout on page 16 Temperature does not change There are no working temperature o Make sure at least one working probes enabled or connected probe is connected The control is in temperature test o If the TEMPERATURE TEST LED is mode on the control is in test mode Exit test mode For more information see Using temperature test mode on page 33 Appendix B Troubleshooting electronic Sen Problem Possible cause Display showing unusually high or low probe is not a Phason probe temperature Variable fan runs at maximum Variable fan not running Curtain opens when it should close or closes when it should open Alarm relay not operating alarm system Relay does not switch load on 42 The extension cable connected to the temperature probe is providing a poor connection Damaged probe Incorrect wiring Incorrect motor curve Incorrect wiring The fuse is open or blown There is no power to the fan Faulty fan heater Circuit breaker open Incorrect motor curve Incorrect wiring the close and open wires are reversed Incorrect wiring Incorrect wiring No power to the load Faulty equipment Circuit breaker open Blown relay Possible solution o Remove the probe an
33. items is final The person requesting warranty service must be the original purchaser of the unit 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 whether expressed or implied including warranties of merchantability and fitness for a particular purpose shall apply to the PBx Any implied warranties are excluded Phason is not liable for consequential damages caused by the PBx 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 PBx without notice Service and technical support Phason will be happy to answer all technical questions that will help you use the PBx Power Block Before contacting Phason check the following Read this manual for information about the feature with which you are having trouble If you see an alarm message and are not sure what it means look it up in the Alarm and error messages table on page 40 and then follow the instructions for resolving the alarm condition If you having a problem using the PBx look in the Troubleshooting table on page 41 and then follow the directions for correcting the problem If you still have a problem with the PBx collect the f
34. lling variable frequency drives and relays you can use as disconnects The variable DC stages function independently from the AC stages meaning they can have different settings The PBx 11 has two 0 to 10 VDC signal outputs The variable DC stages are dependent on the AC stages meaning they follow the same settings as AC stages Refer to Appendix C Installation worksheets on page 44 when connecting equipment to the variable stages Connecting equipment to the PBx Phas n electronic systems The ratings of the equipment must not exceed the ratings of the control DC signal outputs 010 10 VDC 2K load 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 Relay fuses 12 A 250 VAC ABC type ceramic To connect variable frequency drives Connect variable frequency drives to the PBx as shown in the following diagram The example uses stage 3 as a disconnect relay 2 ZI raga TET To next VFD VAR daisy chain Variable Frequency Drive Connecting an alarm gt Start stop connections system B You can connect an alarm system Analog common ground alarm system can be a siren alarm panel or auto dialer Read your system s installation guide for installation instructions and information about the type of system zormally open ot normally closed Below are the descriptions for the alarm
35. meter wear the actuator might not move correctly Common symptoms include The actuator oscillating back and forth The actuator not traveling the full stroke during calibration The feedback potentiometer wiring must be properly connected to the control Determining the correct wiring can be difficult on some actuators or potentiometers Potentiometers have three wires positive negative and feedback FB If the feedback wire is not connected to the FB terminal on the control the actuator will not function properly Because the wires are often different colors and are not always labeled the same as above measuring the resistance between the wires is the best way to determine which wire is the feedback wire Follow the steps below to measure the resistance and determine the correct wiring o Before checking the potentiometer wires verify that the power wires are properly connected Test the actuator using stage test mode 1 Manually move the actuator away from the end of its stroke by at least a quarter of its total stroke 2 Disconnect all three potentiometer wires from the control 3 Number the wires 1 2 and 3 in any order 4 Set your ohmmeter to measure potentiometer s maximum resistance normally 20 000 Q 5 Measure and record the resistance between wires 1 and 2 Q 6 Measure and record the resistance between wires 1 and 3 Q 7 Measure and record the resistance between wires 2 and 3 Q 8 T
36. n page 9 Electrical ratings PBx 10 terminal PBx 11 terminal Notes Input power POWER POWER 120 230 VAC 50 60 Hz 10 A at 120 230 VAC general purpose resistive Variable AC stages VAR1 VAR2 VARI 1 VARI 2 7 FLA at 120 230 VAC PSC motor 1 2 HP at 120 VAC 1 HP at 230 VAC PSC motor Variable AC stage fuses F1 F2 F1 F2 15 A 250 VAC ABC type ceramic Variable DC stages VAR3 VAR4 V1 V2 0 to 10 VDC 2K Q load 10 A at 120 230 VAC general purpose resistive General purpose relays RLY1 to RLY6 RLY1 to RLY9 1 3 HP at 120 VAC 1 2 HP at 230 360 W tungsten at 120 VAC 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 You can connect more than one piece of equipment to a variable stage or relay as long as they are the same type for example two fans and the total current draw does not exceed the stage s limit Alarm relay ALARM ALARM The FLA full load ampere rating accounts for the increase in motor current draw when the motor operates at less than full soeed Make sure the motor equipment connected to the variable stage does not draw more than 7 FLA What you need to know before installing electronic controi Systems PBx 10 layout TEMP1 TEMP2 TEMP3 TEMP4 ASSY 170048
37. nd adjusting temperatures The PBx displays temperature alarm and status information Monitoring the control regularly gives you a better idea of what is going on in your facility When in normal operation the display shows the ambient temperature The displayed temperature is the average from all probes connected For more information about probe configuration and temperature averaging read Configuring Power Blocks section of the Select Ventilation user manual Acknowledging alarms The alarm relay activates if an alarm condition one that is enabled 1s present for longer than the minimum duration of one minute The one minute minimum duration prevents alarms from occurring when the temperature rises or drops for just a few seconds The exceptions to the one minute minimum are the actuator jam alarms Actuator jam alarms activate immediately after the PBx detects an actuator jam When an alarm occurs the alarm relay activates the LED for ALARM switches on and the alarm message displays If there is more than one message after acknowledging the first alarm the next one displays For example if you had a high temperature and an actuator jam alarm the display would show Ri After acknowledging the high temperature alarm the display would show Ae it When all alarms have been acknowledged the display shows the temperature For list of alarm messages their descriptions and possible resolutions read Alarm and err
38. ng actuators After configuring the actuator relays you need to calibrate the actuators Calibrating the actuator lets the PBx know the position of the actuator when it is fully extended and fully retracted The PBx uses the limits to define the range of motion it uses to position the inlets These limits tell the control how much to adjust when you want the actuators for example only 25 extended 34 PBx Power Blocks electronic control Systems Because cables can stretch and equipment can come out of alignment similar to tires on your car we recommend resetting the limit switches and calibrating your actuators at least once each year During calibration the actuator opens pauses and then closes If the actuator is operating propetly the inlet should open completely and then close completely After closing completely the actuators should position according to the temperature and default settings o Before calibrating actuators make sure the limit switches are set and the cable and counter weights can move freely o Ifthe calibration procedure stops after closing the first time or fails to position properly the feedback signal is not connected properly Verify that the potentiometer wiring is correct For more information read Determining correct actuator feedback wiring on page 43 To calibrate actuators 1 Press and hold Unlock for three seconds until the control a beeps and the unlock ind
39. not have to actually strike a power line to transmit a surge Surge suppression devices offer some protection from power surges Because it is not possible to internally protect this product completely from the effects of power surges and other transients Phason 2202 0 recommends that you install external surge suppression devices For specific recommendations see your electrical contractor If you do not take these precautions you acknowledge your willingness to accept the risk of loss or injury What you need to know before installing Phas n electronic systems Reducing electrical noise using filters Electrical noise 15 caused by high voltage transients created when inductive loads such as power contactots are switched on or off The strength of the transients can be over 1000 volts and can with the type of equipment and wiring as well as several other factors Visible symptoms of electrical noise include erratic control operation cycling inlets communication problems and more However the effects of electrical noise are not always visible Over time electrical noise can cause electronic circuits relay contacts and power contactors to deteriorate Phason highly recommends installing filters on all inductive loads Installing filters helps extend the life of equipment Filters help prevent electrical noise problems by absorbing the transient energy Even if you do not have visible symptoms of elec
40. ollowing information The serial number Any messages displayed by the PBx description of the problem A description of what you were doing before the problem occurred 2 lerracon 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 Phason controls are designed and manufactured to provide reliable performance but they are not guaranteed to be 100 percent free of defects Even reliable products can experience occasional failures and the user should recognize this possibility 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 Table of contents Chapter 1 Introducing the PBx Power 7 Iritrodicind the PBXTOWer BIOCKS ER tetto AG aa Kg aa aa a a Bag a aa a ak a a a aaa 7 Becoming familiar with the PBx Power BlOock sasra nea aan an aana anana n anana anana nana nennen nnns 7 Avallable accessories and Kls serere a aa eO ga aa a a a KA D BA a a d a Ba aa a aan 9
41. ool duty cycle curtain timed event o actuator Requires additional probes Group Set point test override and actuator calibration Variable AC stages Variable DC stages General purpose relays Alarm relay Automatic 4 probe temperature averaging Functions available at the control Power failure memory protection Four character display and status LEDs 30 foot temperature probe Extendable to 500 feet Corrosion resistant water resistant and fire Rugged enclosure velada NN SS S S lt lt oO roro CSA approval Two year limited warranty The DC stages on the PBx 11 are not independent they follow the settings of the AC stages lt Becoming familiar with the PBx Power Block Power Blocks work with the OMNI Select software to control equipment according to your programmed settings Configuration and programming must be done in the Select Ventilation softwate but there are some functions available at the control The PBx Power Block has a 4 character LED display 16 status LEDs and 8 buttons for operating the control Becoming familiar with the PBx Power Block electronic control systems Main display Unlock indicator When the dot is visible the The four character seven segment LED display shows ambient pottonsare unlocked temperatures alarm messages and programming information gt If you leave the PBx in test or override mode it stays there until you
42. or messages on page 40 Monitoring and adjusting temperatures Phas n electronic controi Ssystems When you acknowledge an actuator jam alarm the control immediately tries to position the actuator Acknowledging alarms clears the alarm message it does not deactivate the alarm relay To deactivate the alarm relay resolve the problem causing the alarm condition If you acknowledge the alarm but do not resolve the problem causing the alarm condition the alarm message displays again after five minutes without any key presses If the condition causing the alarm returns to normal for example the temperature drops below the high alarm setting the alarm relay and LED deactivate but the alarm message remains To acknowledge alarms 1 Press and hold Unlock for three seconds until the control beeps and the unlock indicator is lit 2 Press Select If there was only one alatm message the PBx clears the message and returns to the main display If there are additional alarm messages the PBx displays the next message 3 Press Lock to return to the main display Adjusting the group set point A group set point is the target ot desired temperature for the room or zone This is the temperature that will be tracked by the individual stages The individual set points for each variable and relay stage will be adjusted relative to the group set point for that zone For example let s say the group set point is 80 F a variable stage
43. ordinator PWA ECM Indoor range of up to 300 feet Two Slave Units PWA ES Outdoor line of sight range of up to 1 One 12 VDC power supply PA12 800 Bue Rugged enclosure corrosion resistant di On water resistant and fire retardant Limited warranty 90 days 10 electronic control systems PBx Power Blocks eXtend Zone wireless temperature system The eXtend Zone RF Temperature system allows you to share zone temperatures between multiple PBx Power Blocks An eXtend Zone system consists of one remote unit and one or mote control units The eXtend Zone remote unit model XZ R has connections for up to four temperature probes It averages the temperature readings from all connected probes and then transmits them to the control unit The remote unit comes with one six foot temperature probe The eXtend Zone control unit model XZ C has a single cable that connects to any PBx Power Block The eXtend Zone package model XZ P consists of one of each unit Features Temperature averaging for up to four temperature probes Remote unit comes with a six foot temperature probe Indoor range of up to 300 feet DC powered Remote unit requires a 9 to 14 VDC power supply Can be powered by another Phason DC powered device RPS PA12 800 or similar power supply Control unit is powered by the Power Block Easy installation and configuration Rugged enclosure c
44. orrosion resistant water resistant and fire retardant Limited warranty 90 days Temperature probes and extension cable The PBx Power Block comes with a 30 foot temperature probe that is extendable to 500 feet Automatic four zone temperature averaging is available with additional temperature probes Temperature probes monitor temperatures ranging from 49 to 122 F 45 to 50 C The probes are available in 1 6 30 75 or 150 foot cable lengths and can extended up to 500 feet using extension cable Extension cable is available in 500 foot lengths Temperature probe features Easy installation Rugged and durable design Weather and UV resistant cable 90 day limited warranty Becoming familiar with the PBx Power Block electronic contro systems Repair kits Repair kits are available for all circuit boards and displays If you need more information about repair kits contact your dealer or visit www phason ca PBx 10 Display kit K329003 Control board kit K329001 PBx 11 Display kit K329013 Control board bottom board kit K329011 Relay board kit K15220 12 PBx Power Blocks electronic control Systems Chapter 2 Installing the PBx Power Block What you need to know before installing below Connecting equipment to the PBx on page 20 Finishing the installation on page 29 What you need to know before installing Before in
45. quipment according to the test temperature not according to the measured temperature o The PBx does not exit test mode automatically When you are finished testing press Lock The control will exit test mode and returned to the main display To test equipment using temperature test mode 1 Press and hold Unlock for three seconds until the control beeps and the unlock indicator is lit 2 Press TEMPERATURE TEST The display flashes the current test temperature The TEMPERATURE TEST indicator is lit n TEMPERATURE TEST 3 Press Up or Down to adjust the test temperature The variable stages and relays operate using their programmed settings according to the test temperature When a variable stage or relay switches on its LED switches on 4 Press Lock to return to the main display The control returns to normal operation Using manual override Manual override is for individually testing the installation and equipment connected to the PBx When you enter manual override mode all variable stages and relays remain at the output state they were at You can then change the output of the stages 0 to 100 for variable stages OFF or ON for relay stages and the alarm relay 33 Testing and maintaining equipment Phas n electronic controi Systems All equipment remains at the state you set it until you leave manual override mode then it returns to normal programmed operation For example if relay 3 is a cooling stage
46. re usually controlled by equipment called curtain machines sometimes referred to as winches Curtains are opened and closed to let in mote air or less air the idea being more air cools the building You can connect three curtain machines to a PBx 10 four to a PBx 11 Each curtain machine you connect requires two relays one for opening the curtain and one for closing the curtain The ratings of the equipment must not exceed the ratings of the PBx s relays A PBx relay ratings 10 A at 120 230 VAC general purpose resistive 1 3 HP 120 1 2 HP at 230 360 W tungsten at 120 VAC Refer to Appendix C Installation worksheets page 44 when connecting curtain machines To connect curtain machines Connect curtain machines to the PBx as shown below RLY1 RLY2 L1 L2 NEUTRAL 23 Connecting equipment to the PBx electronic controi systems Connecting equipment to the AC variable stages Variable cooling elements include equipment such as variable speed fans Variable heating elements include equipment such as heat mats and heat lamps Only permanent split capacitor motors appropriate for variable speed control or shaded pole motors can be used on the variable AC stages If you are using three phase power connect the PBx and the variable cooling equipment to the same phase For more information read Using three phase power on page 25 o The ratings
47. rolling Closing the cover After you have finished connecting all equipment wiring and cables to the Power Block it s time to verify the wires are connected properly and the close the cover Make sure all the wires are properly connected to the correct terminals Make sure the voltage selection switch 15 in the correct setting Place the cover on the control 1 2 3 Make sure the display cable is properly connected 4 Switch on the power to the PBx When you switch on the power to the PBx the display should show the temperature If the PBx display does not come on go back to step 1 If the display shows an alarm message and the ALARM indicator is lit read Alarm and error messages on page 40 6 Insert the four screws into the cover and then tighten them Do not over tighten the screws Do not use power screwdrivers or drills SA You can use manual override to test equipment and connections For more information read Using manual override on page 33 30 PBx Power Blocks electronic control systems Chapter 3 Using and maintaining the PBx Monitoring and adjusting temperatures below Testing and maintaining equipment on page 33 Servicing and maintaining the PBx on page 35 Configuration and programming must be done in the Select Ventilation software For configuration and programming information read the Select Ventilation user manual Monitoring a
48. rve the display as you switch on the power There are two methods for updating the PBx firmware power on and power off Power the power on method allows you to update the PBx firmware using the buttons without having to switch the incoming power off and then on Power off the power off method allows you to update the PBx firmware by switching the incoming power off and then on The inside of the PBx cover is where you connect the PBx Updater The cover label must face the tight when you plug the updater into the socket To update the firmware using the power on method 1 Loosen the four screws in the PBx enclosure and then gently remove the cover Make sure not to disconnect the ribbon cable 2 Insert the PBx Updater into the connector marked SAVER on the inside top left of the cover 3 Press and hold Unlock for three seconds until the control beeps and the unlock indicator is lit ISAVER 4 At the same time press Up and SET POINT The display goes blank and beeps while the firmware updates When complete the display shows the version for a couple seconds and then the ambient temperature 5 Remove the PBx Updater 6 Verify the control functions properly 7 Replace the cover and then tighten the four screws 37 servicing and maintaining the PBx Phas n electronic controi Systems To 1 38 update the firmware using the power off method Loosen the four screws in the PB
49. stalling the PBx you need to do some initial preparation 1 Read Understanding power surges and surge suppression below o If you do not install external surge suppression devices you risk damage to the electronics inside the PBx which may cause the PBx to fail o Becauseit is not possible to completely protect this product internally from A the effects of power surges and other transients we highly recommend that you install external surge suppression devices For specific recommendations see your electrical contractor o If you do not take these precautions you acknowledge your willingness to accept the risk of loss or injury 2 Using the Installation worksheets on page 45 list all the equipment you want to control using this PBx Install the equipment and make your electrical connections according to the sheet Understanding power surges and surge suppression Powet surges can be caused by external influences outside the barn for example lightning or utility distribution problems or they can be caused internally inside the barn for example starting and stopping inductive loads such as motors One of the most common causes of power surges 1s lightning When lightning strikes the ground it produces an enormously powerful electromagnetic field This field affects nearby power lines which transmit a surge to any device connected to it such as lights computers or environmental controls like the PBx Lightning does
50. terminal COMM common connection N O normally open closes during alarm conditions normally closed opens during alarm conditions For the alarm system to sound or dial out during an alarm condition you must enable the alarms For more information read the Programming alarms section in the Select Ventilation user manual The ratings of the siren or alarm system must not exceed the ratings of the PBx s alarm relay Alarm relay ratings 0 4 Aat 125 VAC 2A at 30 VDC resistive load 0 2 Aat 125 VAC 1 Aat 30 VDC inductive load 26 PBx Power Blocks electronic control systems To connect an alarm system If you are connecting the alarm system to a network of PBx controls and your system uses a normally open connection closes on alarm connect the system as shown in the normally open diagram Join all the COMM connections together and all the N O connections together The PBx alarm relays must be in parallel with each other so any PBx can trigger the alarm system when an alarm condition occurs If you are connecting the alarm system to a network of PBx controls and your system uses normally closed connection opens on alarm connect the system as shown in the normally closed diagram Join the alarm relays in a continuous loop The PBx alarm relays must be in series with each other so any PBx can trigger the alarm system when an alarm condition occurs Normally open syst
51. trical noise filters help keep controls operating reliably and can extend the life of the controls and equipment connected to them Phason s snubber filters part number 127 0 are intended for use with solenoids timer relays DC motots furnaces and other equipment connected to the control s relays You can also use the filters with loads connected to power contactors Install a filter in parallel with the load as shown in the following example lt lt CONTROL RELAY ran L1 L2 NEUTRAL o Some power contactors include snubber filters For more information read Using power contactors to increase the capacity of relays on page 15 o For more information about snubber filters or other Phason accessories see your dealer or visit www phason ca 14 PBx Power Blocks electronic control systems Using power contactors to increase the capacity of relays Phason s 240 volt power contactors are heavy duty relays that allow you to increase the load handling capability of control relays Power contactors are ideal for secondary ventilation fans and electric heaters Phason s power contactor relays have the following electrical ratings p y 8 8 Coil 10 2 mA at 240 VAC Contact 25 A at 240 VAG resistive 2 HP at 240 VAC 1 HP at 120 VAC motot powet factor 0 4 1300 W at 120 VAC tungsten For more information about power contactors read Available accessories and kits o
52. x enclosure and then gently remove the cover Make sure not to disconnect the ribbon cable Insert the PBx Updater into the connector marked SAVER on the inside top left of the cover Switch off the power to the PBx for at least five seconds Switch on the power to the PBx The PBx updates its firmware The display remains blank and beeps while the firmware updates When complete the display shows the version for a couple seconds and then the ambient temperature Remove the PBx Updater Verify that the control functions properly Replace the cover and then tighten the four screws PBx Power Blocks electronic control Appendixes This section contains reference information that is useful when installing configuring setting up ot troubleshooting the PBx Appendix A Glossary below Appendix B Troubleshooting on page 40 Appendix C Installation worksheets on page 44 Appendix A Glossary control Control elements are devices connected to the PBx such as fans heaters elements actuators and so on duty cycle Duty cycles are a temperature based style of controlling heating or cooling elements using on and off durations firmware The internal program instructions of the PBx You can update the firmware version of the PBx to the latest version using a PBx Updater For more information read Updating the firmware on page 37 group set point The group set point is the desired

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