Phason PEC Plus User Manual And Installation Manual
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Phason PEC Plus User Manual And Installation Manual

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Summary of Contents for Phason PEC Plus

  • Page 1 User manual and installation guide...
  • Page 2 Copyright Phason Inc. Printed in Canada All rights reserved. 31040006 About the manual The manual describes the features of your PEC Plus and how to use them; it does not describe ventilation strategies. All buttons and menu commands are bolded ...
  • Page 3 6 and on page 20. Plus Chapter 3: Configuring your PEC Plus If you are ready to install, configure, or program your PEC Plus, use the worksheets starting in  on page 73. Appendix D If you are not sure how to use the keypad or how to read the display and menus, read Becoming ...
  • Page 4 Equipment installation (probes, fans, actuators, and so on) Chapter 2  Electrical ratings Starting on page 6  PEC Plus layout (map of the inside and outside of your PEC Plus)  Configuration instructions  Chapter 3 Zone, probe, and sensor assignments ...

  • Page 7: Table Of Contents

    Entering a PIN ............................5 Chapter 2: Installing your PEC Plus .................. 6 What you need to know before installing your PEC Plus ................6 Understanding power surges and surge suppression ................6 Reducing electrical noise using filters ....................7 Electrical ratings ............................
  • Page 8 Programming curtain control relays ....................44 Programming heating and cooling elements and duty cycles ............46 Programming alarm settings ....................... 49 Chapter 5: Monitoring and maintaining your PEC Plus ..........51 Monitoring your PEC Plus ........................51 Displaying individual probe temperatures ................... 51 Displaying high and low temperatures ....................

  • Page 9: Chapter 1: Introducing The Pec Plus

    When in programming mode, the LEDs indicate which stage you are programming. The easy-to-use keypad and menu system make the PEC Plus one of the easiest controls to program. The PEC Plus’ advanced and powerful features are never more than a few keystrokes away.

  • Page 10: Features

    Limited warranty (two years)  Becoming familiar with the PEC Plus The PEC Plus has a four-character LED display, status LEDs for each variable stage and relay, function LEDs, and 10 buttons for programming and interacting with the control. Main display 7…0...
  • Page 11 PEC Plus user manual Becoming familiar with the PEC Plus If you leave the PEC Plus in a menu or display other than the main display, the control returns to the main display after five minutes without any key presses. The only exceptions are stage test mode and temperature test mode;...

  • Page 12: Menu Layout

    Chapter 1: Introducing the PEC Plus Phason Menu layout The table below shows the layout of the PEC Plus menu system. Growth curve Configuration >>Parameter A<< Alarm enable ( A L E n ) 1 Current day High temperature ( K i e N )

  • Page 13: Entering A Pin

    PEC Plus user manual Becoming familiar with the PEC Plus Entering a PIN If security is enabled, users must enter the PIN (personal identification number) before they can access the control’s functions. After entering a PIN, the control will not ask again until five minutes have passed since the last key press.

  • Page 14: Chapter 2: Installing Your Pec Plus

    PEC Plus. Lightning does 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...

  • Page 15: Reducing Electrical Noise Using Filters

    Phason’s snubber filters (part number 127-0) are for use with solenoids, timer relays, DC motors, furnaces, and other equipment connected to the control’s relays. You can also use the filters with loads connected to power contactors (part number 129-0).

  • Page 16: Electrical Ratings

    7 FLA. 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.

  • Page 17: Pec Plus Layout

    What you need to know before installing your PEC Plus PEC Plus layout Voltage selection switch – set this switch to the correct voltage before installing your PEC Plus. Variable stage fuses (F1, F2) – 15 A, 250 VAC ABC-type ceramic; F1 variable stage 1, F2 for stage 2.

  • Page 18: Mounting Your Pec Plus

    Configuration worksheets Connecting actuators You can connect up to two actuators to a PEC Plus. Actuators are used for control elements that are not OFF or ON. Instead, they vary by a percentage. For example, inlets can be opened various distances from 0 percent to 100 percent.
  • Page 19 Feedback potentiometers Each actuator you connect must have a feedback potentiometer. The feedback potentiometer, which you connect to one of your PEC Plus’ two corresponding feedback terminals, 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.

  • Page 20: Connecting Single-Stage Heating Or Cooling Elements

    Chapter 2: Installing your PEC Plus Phason To connect actuators Connect actuators to your PEC Plus as shown below. Refer to your actuator’s installation guide for information about its power supply requirements. AC-powered actuators DC-powered actuators Connecting single-stage heating or cooling elements Heating or cooling elements include equipment such as electric heaters, furnaces, and single-speed fans.

  • Page 21: Connecting Curtain Machines

    Curtains are opened and closed to let in more air or less air, the idea being more air cools the building. You can connect up to three curtain machines to your PEC Plus. Each curtain machine you connect requires two relays: one for opening the curtain, and one for closing the curtain. The relays must be side-by-side pairs.

  • Page 22: Connecting Variable Heating Or Cooling Elements

    For more information, read Using three- on page 15. phase power The ratings of the equipment must not exceed the ratings of your PEC Plus’  variable stages. Variable stage ratings 10 A at 120/230 VAC, general-purpose (resistive) ...

  • Page 23: Using Three-Phase Power

    Connect variable heating or cooling elements to your PEC Plus as shown below. Using three-phase power If you are connecting your PEC Plus to a three-phase system, make sure to connect the control power and the variable cooling equipment to the same phase.

  • Page 24: Connecting An Alarm System

    Phason Connecting an alarm system You can connect an alarm system to your PEC Plus’ alarm terminal. An 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: .

  • Page 25: Connecting Temperature Probes

    Connecting equipment to your PEC Plus Connecting temperature probes The PEC Plus has four temperature probe terminals, TEMP1 to TEMP4. You can connect any of Phason’s standard 3K temperature probes to any of the probe terminals. All enabled probes are averaged to provide a more balanced temperature reading in the room. Probe 4 (TEMP4) can be used to monitor outdoor temperatures.

  • Page 26: Connecting The Power Source

    PEC Plus. It is very important that the connections and the worksheets are the same, because the next step after closing the cover is to tell your PEC Plus which equipment is connected to each terminal. It is important so you can be sure you are controlling the equipment you think you are controlling.
  • Page 27 When you switch on the power to your PEC Plus, the display should show the temperature. If the PEC Plus display does not come on, go back to step 1. If the display shows an alarm message and or the ALARM indicator is lit, read on page 49.

  • Page 28: Chapter 3: Configuring Your Pec Plus

    What you need to know before configuring your PEC Plus Configuring your PEC Plus means telling it what equipment it will be controlling and how it will be controlling that equipment. For example, your PEC Plus has 6 relay stages. You need to tell the stages if they will be controlling curtains, heating or cooling elements, or actuators.
  • Page 29  on page 66 and then follow the instructions for correcting the Troubleshooting problem. Your PEC Plus’ built-in diagnostic tests are useful for testing your equipment  after installing and configuring it. For more information, read Testing settings and on page 53.

  • Page 30: Configuring The Main Control Functions

    Setting the clock The PEC Plus has a clock that keeps track of the time for the daily high and low temperatures and the growth curves. If there is a power failure, or you need to adjust for daylight savings time, you will have to change the clock.

  • Page 31: Selecting The Temperature Units

    Back Configuring temperature probes The PEC Plus has four temperature probe terminals, TEMP1 to TEMP4. You can connect any of Phason’s standard 3K temperature probes to any of the probe terminals. By default, probe 1 (TEMP1) is enabled and probes 2, 3, and 4 are not enabled. When enabled, probes 2, 3, and 4 can be averaged to provide a more balanced temperature reading in the room.
  • Page 32 Replace damaged probes as soon as possible. If a probe is damaged, disable it  until you can replace it with a new probe. If there are no probes present or working properly, the PEC Plus controls the  stages for a temperature half-way between the previous day’s high and low temperatures.

  • Page 33: Configuring Hysteresis

    4. Press to return to the main display. Back Configuring variable stages Your PEC Plus’ two variable stages ( ) control elements that operate with gradually VAR1 VAR2 increasing voltage, such as variable speed fans, or gradually decreasing voltage, such as heat mats.
  • Page 34 Chapter 3: Configuring your PEC Plus Phason There are four configuration options. ( 0 f f ) – the variable stage is always off.  ( ( L 1 ) – the stage controls a variable speed fan using motor curve 1. Use motor Cooling 1 ...

  • Page 35: Configuring Relays

    Configuring relays for actuators You can connect up to two actuators to a PEC Plus. Each actuator you connect requires two relays: one for extending the actuator arm (opening the inlet), and one for retracting the arm (closing the inlet).

  • Page 36: Calibrating Actuators

    PEC Plus know the position of the actuator when it is fully extended and fully retracted. The PEC Plus 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.

  • Page 37: Configuring Relays For Curtains

    Configuring relays To calibrate actuators 1. Loosen the four screws in the PEC Plus enclosure and then gently remove the cover. Make sure not to disconnect the ribbon cable. 2. Remove and then replace the actuator present jumper on the pins for the actuator (ACT1 for actuator 1 and ACT2 for actuator 2).

  • Page 38: Configuring Relays For Single-Speed Heating And Cooling Or Duty Cycles

    Chapter 3: Configuring your PEC Plus Phason Configuring relays for single-speed heating and cooling or duty cycles Relays configured for cooling can control single-speed fans, misters, or other cooling equipment that can be either on or off. The relays switch on when the temperature rises above the set point and off when it drops below.

  • Page 39: Testing The Configuration

    You can test the configuration using the PEC Plus’ test mode. Test mode allows you to operate the equipment, regardless of temperature or time. As you operate each piece of equipment, visually check to see if that equipment is doing what you tell it.

  • Page 40: Chapter 4: Programming The Pec Plus

    Chapter 4: Programming the PEC Plus Chapter 4 discusses how to program your PEC Plus with the settings it uses to control your equipment. Topics in chapter 4 include: below What you need to know before programming your PEC Plus ...

  • Page 41: Programming Target Temperatures

    Group set point  The PEC Plus uses one or the other. If the growth curve is enabled, the control uses the growth curve settings. If the growth curve is not enabled, the control uses the group set point. Programming the group set point A group set point is the target or desired temperature for the room or zone.

  • Page 42: Programming The Growth Curve

    As they grow older, they need a steadily lower temperature. Using the growth curve, you can have your PEC Plus automatically adjust the temperatures. For example, start at 76°F for 1 day, drop to 74°F for 1 day, then to 71°F for 21 days, 68°F for 14 days, and so on.
  • Page 43 PEC Plus user manual Programming target temperatures 90°F Step 1 Step 2 Step 3 85°F Step 4 Step 5 80°F Step 6 Step 7 75°F 70°F Day 1 Day 5 Day 15 Day 25 Day 35 Day 40 Day 45...
  • Page 44 Chapter 4: Programming the PEC Plus Phason To enable, disable, or change the current day of the growth curve 1. Press until the GROWTH CURVE indicator is lit. Function Growth curve The display shows p a r a (parameter A).

  • Page 45: Programming The Stages

    PEC Plus user manual Programming the stages Programming the stages Programming the stages means entering the settings such as temperature set points, idle speeds, ON/OFF times and durations, and so on. Programming the stages involves programming the settings for: Variable stages (below) ...
  • Page 46 Chapter 4: Programming the PEC Plus Phason How variable stage cooling works When the temperature is below the temperature, the fan is off. off at  When the temperature reaches the temperature, the fan runs at the . The fan...
  • Page 47 PEC Plus user manual Programming the stages How variable heating stages work When the temperature is above the temperature, the heater is off. off at  When the temperature drops below the temperature, the heater is at the off at minimum heat ...
  • Page 48 Chapter 4: Programming the PEC Plus Phason Use the on page 77 when programming variable Variable stage settings worksheet stages. To program variable cooling stages Variable stages 1. Press until the VARIABLE STAGES indicator is lit. Function The display shows V a r 1 (variable stage 1).

  • Page 49: Programming Actuators

    PEC Plus user manual Programming the stages To program variable heating stages Variable stages 1. Press until the VARIABLE STAGES indicator is lit. Function The display shows V a r 1 (variable stage 1). Var1 2. Press to toggle between programming variable stage 1...
  • Page 50 Chapter 4: Programming the PEC Plus Phason How actuators work When the temperature is below the minimum set point, the actuator is closed.  When the temperature rises to the minimum set point, the actuator moves to the minimum ...
  • Page 51 PEC Plus user manual Programming the stages You can use actuator control for curtain machines only if they have feedback  potentiometers. Do not use actuator control for curtain machines without potentiometers. This  can burn out the curtain machines. For information about programming the PEC...

  • Page 52: Programming Curtain Control Relays

    Chapter 4: Programming the PEC Plus Phason Programming curtain control relays Curtains control the temperature by adjusting air flow into the facility. Each curtain has six settings. – the temperature at which the curtain holds its position. Set point ...
  • Page 53 PEC Plus user manual Programming the stages If you press a parameter button that has no function for the relay, the display  shows - - - - . Press to return to the previous display. Back Use the on page 79 when setting up curtains.

  • Page 54: Programming Heating And Cooling Elements And Duty Cycles

    Chapter 4: Programming the PEC Plus Phason Programming heating and cooling elements and duty cycles Heating and cooling elements control the temperature by switching single-stage heating equipment such as electric heaters, or cooling equipment such as misters ON or OFF. Before setting up the elements, make sure you have properly configured the relays.
  • Page 55 PEC Plus user manual Programming the stages If you press a parameter button that has no function for the relay, the display  shows - - - - . Press to return to the previous display. Back Use the on page 79 when setting up Heating and cooling elements worksheet ...
  • Page 56 Chapter 4: Programming the PEC Plus Phason To program advanced duty cycles Relays 1. Press until the RELAYS indicator is lit. Function The display shows r l y 1 (Relay 1). rly1 2. Press to change between programming relays 1 to 6...

  • Page 57: Programming Alarm Settings

    Actuator 2 jam  The alarm settings for your PEC Plus determine which alarm conditions are enabled, which are disabled, and their settings. All these work together to determine how and when the alarm relay activates (in other words, signals an alarm condition).
  • Page 58 Chapter 4: Programming the PEC Plus Phason To enable or disable alarms Configuration 1. Press until the CONFIGURATION indicator is lit and Function A l e n displays. Alen 2. Press Select The display shows x ; e n (high temperature alarm).

  • Page 59: Chapter 5: Monitoring And Maintaining Your Pec Plus

    Chapter 5: Monitoring and maintaining your PEC Plus Chapter 5 explains how to monitor the PEC Plus after you have installed, configured, and programmed it. Topics in chapter 5 include: below Monitoring your PEC Plus  on page 53 Testing settings and equipment ...

  • Page 60: Displaying High And Low Temperatures

    Press Select If there was only one alarm message, the PEC Plus clears the message and returns to the main display. If there are additional alarm messages, the PEC Plus displays the next message. For a list of alarm messages, their descriptions, and possible resolutions, read on page 66.

  • Page 61: Testing Settings And Equipment

    When the PEC Plus is in stage test mode, it does not operate the equipment  according to the measured temperature. The PEC Plus does not exit test mode on its own. When you are finished testing,  press until the control exits test mode.

  • Page 62: Using Temperature Test Mode

    The variable stages and relays remain operating according to the test temperature until you exit temperature test mode. When the PEC Plus is in temperature test mode, it does not operate the  equipment according to the measured temperature.

  • Page 63: Using The Actuator 1 And 2 Test Utilities

    Test menu or twice to return to Back the main display. Using PIN security The PEC Plus has a PIN security feature you can use to control who makes changes to your system and its settings.

  • Page 64: Servicing And Maintaining Your Pec Plus

    Servicing and maintaining your PEC Plus Restoring the factory defaults When your PEC Plus leaves the factory, it comes with default settings and configuration. When you program your PEC Plus, you change its configuration and settings. Resetting your PEC Plus erases all the configuration and settings you programmed and restores them to what they were when the control left the factory.

  • Page 65: Saving And Restoring Settings

    Restore the factory defaults only as a last resort. It erases ALL your configuration  and settings and you will have to reconfigure the control. If you restore your PEC Plus to its factory defaults, disconnect the power to all  loads and then reconfigure the control before restoring power to the loads.

  • Page 66: Displaying The Firmware Version

    XP) have version numbers, the firmware has a version number. If you need to contact Phason Customer Support about your PEC Plus, you might need to provide them with the firmware version of your control. For more information about technical support, read at the back of the manual.

  • Page 67: Updating The Firmware

    2006-10-01 or later. The updater will work with serial numbers before that date. The inside of the PEC Plus cover is where you connect the PEC+ Updater. The cover label must face the right when you plug the updater into the socket. power on...

  • Page 68: Replacement Kits And Optional Accessories

    PEC Plus. Parts and kits Display kit If the display of your PEC Plus control fails, you can replace it with a kit. After replacing the display, you will need to reconfigure and program control. The display kit is model K310003 Control kits If the bottom circuit board of your PEC Plus control fails, you can replace it with a kit.
  • Page 69 PEC Plus controls at your site. Power contactors Phason’s 240-volt power contactors are heavy-duty relays that increase the load handling capability of control relays. Power contactors are ideal for secondary ventilation fans and electric heaters. (PC-240): includes power Power contactor relay ...

  • Page 70: Appendixes

    For more information, read on page 41. Programming actuators control Control elements are devices connected to your PEC Plus, such as fans, heaters, elements actuators, and so on. curtain idle Curtain is a temperature buffer around the curtain .
  • Page 71 Programming heating and cooling elements firmware The internal program instructions of your PEC Plus. You can update the firmware version of your PEC Plus to the latest version using a PEC+ Updater. For more information, read on page 59. Updating the firmware group set point The group set point is the desired temperature for the zone.
  • Page 72 Minimum duration is the minimum amount of time an alarm condition must be duration present before the PEC Plus signals an alarm. The minimum duration, one minute, prevents alarms from activating when the temperature rises or drops for just a few seconds.
  • Page 73 Understanding power surges and surge on page 6. suppression terminal block The part of your PEC Plus where you connect the wires for incoming power, control elements, and so on. For more information, read on page 9. PEC Plus layout...

  • Page 74: Appendix B: Troubleshooting

    If you are having a problem using your PEC Plus, see if the problem is described in the  table on page 68 and then follow the directions for correcting the problem.
  • Page 75 PEC Plus user manual Appendix B: Troubleshooting Alarm message Possible cause Possible solution The difference in measured Check the temperature probes.  pdeV temperatures between averaged Check to see if a cooling or heating  probes is greater than 18°F (10°C).

  • Page 76: Troubleshooting

    The following table lists some problems, possible causes, and possible solutions. If you are having a problem using your PEC Plus, see if the problem is described in the Troubleshooting table and then follow the directions for correcting the problem.
  • Page 77 PEC Plus user manual Appendix B: Troubleshooting Problem Possible cause Possible solution Variable fan runs at maximum Incorrect wiring Correct the wiring. For more information,  read Connecting variable heating or cooling elements on page 14. The minimum idle speed is too Decrease the minimum idle speed setting.
  • Page 78 Appendixes Phason Problem Possible cause Possible solution Curtain opens when it should Incorrect wiring, the close and open Correct the wiring. For more information,  close or closes when it should wires are reversed. read Connecting curtain machines on page...

  • Page 79: Determining Correct Actuator Feedback Wiring

    PEC Plus user manual Appendix B: Troubleshooting Determining correct actuator feedback wiring After installing a new actuator or potentiometer, or due to age-related potentiometer wear, the actuator might not move correctly. Common symptoms include: The actuator oscillating back and forth ...

  • Page 80: Appendix C: Factory Defaults

    When your PEC Plus leaves the factory, it comes with default settings and configuration. Resetting your PEC Plus erases all the configuration and settings you programmed and then restores the settings to what they were when the control left the factory. For more information, read on page 56.

  • Page 81: Appendix D: Installation Worksheet

    Use the worksheet on the next page to list all the equipment (fans, heaters, curtains, and so on that you want your PEC Plus to control. We recommend you make a copy of the worksheet before filling it in incase you need more than one sheet or you make a mistake.

  • Page 82: Appendix E: Configuration Worksheets

    Appendixes Phason Appendix E: Configuration worksheets Use the on page 73 when completing the configuration Installation Worksheet worksheets. Main control function worksheet For each item, circle or write in the configuration. Item Description Configuration °C °F Units The unit of measure for temperature Default: °F...

  • Page 83: Relay Configuration Worksheet

    PEC Plus user manual Appendix E: Configuration worksheets Relay configuration worksheet For each variable stage, enter a description (for reference only) and put a check mark in the appropriate column for how to configure the relay. The first table is an example.

  • Page 84: Appendix F: Settings Worksheets

    You can have up to seven steps in a growth curve. Each step has a starting temperature set point and a duration. The PEC Plus automatically calculates the set points for the days between the steps and adjusts the set points at midnight each day. Individual set points for the variable and fixed stages are adjusted relative to the growth curve temperature for that particular day.

  • Page 85: Variable Stage Settings Worksheet

    PEC Plus user manual Appendix F: Settings worksheets Variable stage settings worksheet Setting Variable 1 Variable 2 On full at  Set point  Off at  Idle speed or minimum heat   Temperature in °F/°C, range: -25 to 51.7°C (-13 to 125°F) ...
  • Page 86 Appendixes Phason In other words, “when the temperature is here (stage set point), I want the actuator to start opening. When the temperature reaches here (stage differential), I want the actuator to be at this position (stage position).” For more information, read on page 41.

  • Page 87: Curtain Worksheet

    PEC Plus user manual Appendix F: Settings worksheets Curtain worksheet Curtains control the temperature by adjusting the air flow into the facility. Each curtain has six settings. – the temperature at which the curtain holds its position. Set point ...

  • Page 88: Alarm Settings Worksheet

     Advanced duty cycles only, must be lower than set point 1. Alarm settings worksheet The alarm settings for your PEC Plus determine which alarm conditions are enabled, which are disabled, and their settings. All these work together to determine how and when the alarm relay activates (in other words, signals an alarm condition).

  • Page 89: Appendix G: Motor Curves

    PEC Plus user manual Appendix G: Motor curves Appendix G: Motor curves Motor curves provide a way to proportionally increase or decrease speed, regardless of motor manufacturer. For example, a Multifan motor might require 130 VAC to run at 50% RPM, while a Marathon motor might need 100 VAC to run at 50% RPM.
  • Page 90 Appendixes Phason Manufacturer Diameter Model Specifications Recommended curve (inches) 0.53 HP, 1700 RPM 0.63 HP, 1700 RPM Franklin 1/6 HP, 3450 RPM Leeson 1/4 HP, 1625 RPM 1/3 HP, 1625 RPM 1/3 HP, 1140 RPM 1/2 HP, 1625 RPM 3/4 HP, 1625 RPM...

  • Page 91: Index

    PEC Plus user manual Index Index hysteresis ............ 26 relays ............28 AC actuators ........See actuators single-stage cooling/heating ... 31–32, 47–48, access code .......... See PINs 47–48 acknowledging alarms ......53–54 temperature probes ......24–25 actuators temperature units ........24 variable stages ........
  • Page 92 ......57–58 restoring settings ........58–59 ribbon cable ............. 9 outdoor temperature probe ..See temperature probes saving settings .......... 58–59 security ..........1, See PINs parameter buttons ... See buttons, See buttons selecting temperature units ......24 PEC Plus...
  • Page 93 PEC Plus user manual Index settings ........See programming configuring ..........24–25 connecting ..........9, 17 settings saver ......See PEC+ Saver temperature test mode ......55–56 single-stage cooling/heating testing ..........32, 54–56 configuring ....31–32, 47–48, 47–48 three-phase power .......... 15 connecting ...........
  • Page 94 Limited warranty This warranty applies only to the Phason PEC Plus. If you need warranty service, return the product and original proof of purchase to your dealer. Phason Inc. (Phason) warrants the PEC Plus subject to the following terms and conditions.
  • Page 95 66 and then Alarm and error messages follow the instructions for resolving the alarm condition. If you are having a problem using your PEC Plus, look in the  table on page 68 and then follow the directions Troubleshooting for correcting the problem.

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