User manual and installation guide
Copyright Phason Inc. All rights reserved. Printed in Canada 31048004 About the manual The manual describes the features of your SEC-HD and how to use them; it does not describe ventilation strategies. All buttons and menu commands are bolded. For example, "Press Program until the LED for Alarm is lit." All LED display examples are in an LED font. For example, "Press Up or Down until a 2 0 displays and then press Select." This is a hint or tip.
Table of contents Chapter 1: Introducing the SEC-HD ..................................................................................5 Introducing the SEC-HD ............................................................................................................................ 5 Common applications ........................................................................................................................... 5 Features .......................................................................
Acknowledging alarms ........................................................................................................................ 39 Testing settings and equipment .............................................................................................................. 40 Using Stage override mode ................................................................................................................. 40 Using temperature override mode................................................
Chapter 1: Introducing the SEC-HD Chapter 1 introduces you to the Staged Environment Control (SEC-HD). Read chapter 1 before reading the rest of the manual. Topics in chapter 1 include: Introducing the SEC-HD below Becoming familiar with the SEC-HD on page 7 Introducing the SEC-HD The SEC-HD automatically controls the temperature in a room by operating two variable speed fans and up to three single-speed fans or heaters.
Chapter 1: Introducing the SEC-HD Phason Greenhouse applications Greenhouse applications include controlling ceiling louvers, variable and single-speed fans, and heaters. Some operations use the proportional feature for misting or ground heat (water pipes). Business and light-industrial applications Business and light-industrial applications include machine shops, garages, and utility sheds where customers use the SEC-HD to control fans and inlets.
SEC-HD user manual Becoming familiar with the SEC-HD Becoming familiar with the SEC-HD The four-character LED display shows temperatures, alarm messages, and programming information. If there is a dot in the top left corner of the display, you are in an editable menu. This means you can adjust the parameter. If you leave the SEC-HD in a menu or display other than the main display, the control returns to the main display after five minutes without any key presses.
Chapter 1: Introducing the SEC-HD Menu layout 8 Phason
Chapter 2: Installing your SEC-HD Chapter 2 explains how to mount, install, and connect equipment to your SEC-HD. Topics in chapter 2 include: What you need to know before installing your SEC-HD below Connecting equipment to your SEC-HD on page 13 Finishing the installation on page 18 What you need to know before installing your SEC-HD Before installing your SEC-HD, you need to do some initial preparation: 1. Read Understanding power surges and surge suppression below.
Chapter 2: Installing your SEC-HD Phason One of the most common causes of power surges is 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 your SEC-HD. Lightning does not have to strike a power line to transmit a surge. Surge suppression devices offer some protection from power surges.
SEC-HD user manual What you need to know before installing your SEC-HD Do not use Snubber filters with variable stages. Some power contactors include snubber filters. For more information, read Using power contactors to increase the capacity of relays below. For more information about snubber filters or other Phason accessories, see your dealer or visit www.phason.ca.
Chapter 2: Installing your SEC-HD Phason SEC-HD layout 8 7 9 1 2 3 4 5 5 6 1 Voltage selection switch: set this switch to the correct voltage before installing your SEC-HD. 2 Incoming power terminal: connect the incoming power (120/230 VAC, 50/60 Hz) to this terminal. 3 Temperature probe terminal: connect the temperature probe to this terminal. 4 Alarm relay terminal: connect an external alarm system or alarm siren to this terminal.
SEC-HD user manual Connecting equipment to your SEC-HD Mounting your SEC-HD 1. Select a location for your SEC-HD. Make sure you have enough cable and wire to reach all the equipment (fans, heaters, actuators, and so on) that you want to control. 2. Remove the screws from the 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.
Chapter 2: Installing your SEC-HD Phason You can connect your SEC-HD to 120 or 230 VAC, 50 or 60 Hz power. To connect the incoming power source 1. Set the voltage select switch to the correct voltage setting. 2. Connect the incoming power source as shown in the following diagram. Connecting temperature probes Replace damaged probes as soon as possible. If there is no probe present or working properly, the SEC-HD shuts off stages 3, 4, and 5 and operates variable stages 1 and 2 at idle speed.
SEC-HD user manual Connecting equipment to your SEC-HD Connecting variable-stage cooling elements The SEC-HD has two variable-stage cooling terminals for connecting equipment such as variable-speed fans. To connect variable-stage cooling elements Connect variable cooling elements to your SEC-HD as shown in the diagram. Only permanent split capacitor motors appropriate for variable speed control, or shaded pole motors, can be used on the variable stages.
Chapter 2: Installing your SEC-HD Phason Using three-phase power If you are connecting your SEC-HD to a three-phase system, connect the control power and the variable cooling equipment to the same phase. Your SEC-HD must be powered from the same phases that supply the equipment. If your SEC-HD power and the variable stages are wired to different phases, the equipment will operate erratically. Connect the control power and variable cooling equipment as shown in the following example.
SEC-HD user manual Connecting equipment to your SEC-HD To connect single-stage heating or cooling elements Connect single-speed heating or cooling elements to your SEC-HD as shown in the following diagrams. Gas-fired furnace or brooder All other single-speed elements Connecting an alarm system You can connect an alarm system to your SEC-HD's alarm terminal. An alarm system can be a siren, alarm panel, or auto-dialer.
Chapter 2: Installing your SEC-HD Phason To connect an alarm system If you are connecting the alarm system to a network of 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 COM connections together and all the N/O connections together. Your SEC-HD alarm relays must be in parallel with each other so any SEC-HD can trigger the alarm system when an alarm condition occurs.
SEC-HD user manual Finishing the installation After you have finished connecting all equipment, wiring, and cables to your SEC-HD, it is time to verify the wires are connected properly and the close the cover. 1. Make sure all the wires are properly connected to the correct terminals. 2. Make sure the voltage selection switch is in the correct setting. 3. Make sure the display cable is properly connected. For more information, read SEC-HD layout on page 12. 4. Place the cover on the control. 5.
Chapter 3: Configuring your SEC-HD Chapter 3 explains how to configure your SEC-HD. Configuring your SEC-HD includes telling it which equipment is connected to each terminal.
SEC-HD user manual Configuring the main control functions Configuring the main control functions Before configuring the variable and relay stages, configure the main control functions. Main control functions include: Temperature units Frequency Hysteresis Selecting the temperature units, parameter 17 Your SEC-HD can display temperatures in either degrees Fahrenheit (°F) or degrees Celsius (°C), but not both at the same time. Default: Fahrenheit To select the temperature unit 1.
Chapter 3: Configuring your SEC-HD Phason To select the operating frequency 1. Press Program until ( 0 Nf displays and then press Select. The display shows 1 7 , the first item in the Configuration menu. 2. Press Up until 1 8 displays and then press Select. The display shows the current frequency. 3. Press Up or Down to toggle between 50 and 60 and then press Select. The control returns to the Configuration menu. 4. To return to the Main menu, press Back once.
SEC-HD user manual Configuring the stages Configuring the stages Your SEC-HD has three types of stages: two variable stages, three relay (ON/OFF) stages, and one inlet actuator stage. Configuring variable stages, parameters 19 and 20 Variable stages 1 and 2 control elements that operate with gradually changing voltage, such as variable speed fans. There are three configuration options. Off (0 f f ) – the variable stage is always off.
Chapter 3: Configuring your SEC-HD Phason Configuring relay stages, parameters 21 to 23 The SEC-HD has three relay stages you can configure as one of the following options. Off: the relay is always open (OFF). On: the relay is always closed (ON). You can use this configuration as an override. Cool: the relay controls a cooling element and is on when the temperature is above the set point. Heat: the relay controls a heating element and is on when the temperature is below the set point.
SEC-HD user manual Testing the configuration Testing the configuration After configuring all the control elements (variable stages, relays, and so on), test your SEC-HD to make sure the configuration is correct. In other words, make sure what you think is connected to a particular relay or stage is actually connected to that relay or stage. You can test the configuration using the SEC-HD's stage override mode. Stage override mode allows you to operate the equipment, regardless of temperature or time.
Chapter 4: Programming your SEC-HD Phason Chapter 4: Programming your SEC-HD What you need to know before programming Programming the SEC-HD basically means telling the control what you want it to do with the equipment and when you want it done. For example, for a single-speed fan set for cooling, you might say "Switch ON when the temperature reaches 80°F.
SEC-HD user manual What you need to know before programming 27
Chapter 4: Programming your SEC-HD Phason 7 Stage 2 idle range is the temperature above which the stage 2 fan operates at Stage 2 idle speed. 8 Stage 2 set point is the temperature above which the stage 2 fan speed increases toward its maximum. 9 Stage 2 differential is the temperature at which the stage 2 fan reaches full speed. 10 Stage 3 set point is the temperature above which the stage 3 fan is on. 11 Stage 4 set point is the temperature above which the stage 4 fan is on.
SEC-HD user manual Programming the parameters Programming the parameters Programming the parameters explains parameters 1 to 23 and how to program them. For information about parameter 0, read Selecting the operating program on page 39. Programming the group set point, parameter 1 The group set point is the target or desired temperature for the zone. It is also the temperature tracked by the individual stages.
Chapter 4: Programming your SEC-HD Phason Programming variable stages, parameters 2 to 9 There are four settings to program for each variable stage. The following diagram explains how the settings work together. For a more-detailed description of how all settings work together, read Understanding how the SEC-HD operates on page 26. When the temperature is below the Idle range, the fan is off.
SEC-HD user manual Programming the parameters If you need to connect more cooling elements than you have relays available, and you are not using both variable stages, you can use an available variable stage as an ON/OFF stage (for 120/230 VAC-powered equipment only). Set the Idle speed to 100% and Idle range to the temperature at which you want the stage to switch on/off.
Chapter 4: Programming your SEC-HD Phason How proportional control works (stage 5 only) Proportional heating When configured for proportional heating, the relay controls a pump or valve and operates as a proportional cycle timer. Typical use for proportional heating is in-floor heating using water pipes, which is often in livestock buildings. The following example uses the default settings for Program A. Parameter 12, Stage 5 set point = 84.0°F Parameter 13, Stage 5 P-band temperature = 2.
SEC-HD user manual Programming the parameters Proportional cooling When configured for proportional cooling, the relay controls a water pump or sprinkler solenoid and operates as a proportional cycle timer. The relay switches on for a portion of the cycle/interval and off for the remainder. The duration the relay is on depends on the temperature. Proportional cooling allows you to control temperatures more effectively and efficiently.
Chapter 4: Programming your SEC-HD Phason To program proportional band settings The examples in the following procedure use program A. Program A displays as a p r , program B displays as b p r , program C displays as C p r , and so on. 1. Press Program until the program you want to adjust displays, for example A p r for program A. 2. Press Select. The display shows Π0 , the first item in the Program menu. 3.
SEC-HD user manual Programming the parameters Programming alarm settings, parameters 15 and 16 There are four alarms. For a more-detailed description of how all settings work together, read Understanding how the SEC-HD operates on page 26. High temperature Low temperature Probe damage Power fail The alarm settings for your SEC-HD determine which alarm conditions are enabled, which are disabled, and their settings.
Chapter 4: Programming your SEC-HD 1. Press Program until the program you want to adjust displays, for example A p r for program A. 2. Press Select. The display shows Π0 , the first item in the Program menu. 3. Press Down until the setting you want to adjust displays, for example Π1 5 for High temperature alarm, and then press Select. The display shows the current setting. 4. Press Up or Down to adjust the setting and then press Select. The control returns to the Program menu. 5.
SEC-HD user manual Programming the parameters 5. To enable or disable the Power fail alarm, press Up or Down until 3 3 displays and then press Select. The display shows the current configuration. Press Up or Down to toggle between n o and y es , and then press Select. The control returns to the Alarm enable menu. 6. To return to the Main menu, press Back once. To return to the Main display, press Back twice.
Chapter 5: Monitoring and maintaining your SEC-HD Chapter 5 explains how to monitor the SEC-HD after you have installed, configured, and programmed it. Topics in chapter 5 include: Monitoring your SEC-HD below Testing settings and equipment on page 40 Servicing and maintaining your SEC-HD on page 42 Monitoring your SEC-HD Your SEC-HD displays temperature, alarm, and status information. Monitoring the control regularly gives you a better idea of what is going on in your facility.
SEC-HD user manual Monitoring your SEC-HD Selecting the operating program The SEC-HD has four configurable programs, A, B, C, D, E, F, and G if you are running a livestock or poultry operation, you might use different programs for different stages of development. Another option is to use different programs for different seasons. The default operating program is program A. Any of the seven programs can be the operating program.
Chapter 5: Monitoring and maintaining your SEC-HD Phason To acknowledge alarms Press Select. If there was only one alarm message, the SEC-HD clears the message and returns to the main display. If there are additional alarm messages, the SEC-HD displays the next message. Acknowledging alarms clears the alarm message; it does not deactivate the alarm relay or LED. To deactivate the alarm relay, resolve the problem causing the alarm condition.
SEC-HD user manual Testing settings and equipment To use stage override mode 1. Press Program until t e st displays and then press Select. The display shows 3 4 , the first item in the Test menu. 2. Press Select. The display shows s t 9 1 , the first item in the Stage override submenu. 3. Press Up or Down until the stage you want to test displays, for example A L A for the alarm relay and then press Select. The display shows the current setting. 4.
Chapter 5: Monitoring and maintaining your SEC-HD Phason To use temperature override mode 1. Press Program until t e st displays and then press Select. The display shows 3 4 , the first item in the Test menu. 2. Press Up or Down until 3 5 displays and then press Select. The display shows the current temperature, which is now the test temperature. 3. Press Up or Down to adjust the test temperature The control responds to the changes in the test temperature. 4. To return to the Main menu, press Back twice.
SEC-HD user manual Servicing and maintaining your SEC-HD DO NOT use the disable ventilation function to shut down fans while working on wiring. When working on any wiring, switch OFF the power at the source. To enable or disable ventilation 1. Press Program until U E Nt displays and then press Select. The display shows the current setting. 2. Press Up or Down to toggle between 0 F F and ON and then press Select. The control returns to the Main menu. 3. To return to the Main display, press Back.
Chapter 5: Monitoring and maintaining your SEC-HD Phason Saving and restoring settings The SEC-HD Saver is an innovative and easy-to-use product that allows you to store your SEC-HD configuration and settings. The SEC-HD Saver stores a complete copy of all a SEC-HD's configuration and settings. You can restore the configuration and settings any time, or even use them to set up new SEC-HDs in seconds! To save your settings 1. Loosen the four screws in the SEC-HD enclosure and then gently remove the cover.
SEC-HD user manual Servicing and maintaining your SEC-HD 6. To return to the Configuration menu, press Back once. To return to the Main menu, press Back twice. To return to the Main display, press Back three times. 7. Remove the SEC-HD Saver. 8. Replace the cover and then tighten the four screws. Displaying the firmware version, parameter 29 Firmware is similar to operating system software for a computer. Firmware contains instructions that tell the SEC-HD how it operates.
Chapter 5: Monitoring and maintaining your SEC-HD Phason The inside of the SEC-HD cover is where you connect the SEC-HD Updater. The cover label must face the right when you plug the updater into the socket. To update the firmware using the “power on” method 1. Loosen the four screws in the SEC-HD enclosure and then gently remove the cover. Make sure not to disconnect the ribbon cable. 2. Insert the SEC-HD Updater into the connector marked SAVER on the inside top-left of the cover. 3.
SEC-HD user manual Servicing and maintaining your SEC-HD Replacement kits and optional accessories Parts and kits Display kit, model K310056 Should the display of your SEC-HD control fail, you can replace it with a kit. After replacing the display, you will need to reconfigure and program control. Control kits, K102206-RS Should the bottom circuit board of your SEC-HD control fail, you can replace it with a kit.
Chapter 5: Monitoring and maintaining your SEC-HD Phason 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. Power contactor relay (PC-240): includes power contactor relay and mounting hardware for easy mounting in an enclosure.
Appendixes This section contains reference information that is useful when installing, configuring, setting up, or troubleshooting your SEC-HD.
Appendixes idle range Phason The temperature setting below which a variable stage's fan is off and the inlet is closed. When the temperature is between the idle range and set point, the fan operates at idle speed and the inlet is open the corresponding amount. For more information, read Programming variable stages, parameters 2 to 9 on page 30. idle speed The percentage of full power at which a variable speed fan operates for minimum ventilation.
SEC-HD user manual Appendix B: Troubleshooting 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 K-AL Possible cause Possible solution The temperature has gone above the high temperature alarm point.
Appendixes Phason Troubleshooting The following table lists some problems, possible causes, and possible solutions. If you are having a problem using your SEC-HD, see if the problem is described in the Troubleshooting table and then follow the directions for correcting the problem. Problem Possible cause Possible solution Power supply components blown out Power surge, brownout, or power outage Avoid the problem in future by providing proper voltage and protection for the control.
SEC-HD user manual Variable fan not running Appendix B: Troubleshooting Incorrect wiring Correct the wiring. For more information, read Connecting variable-stage cooling elements on page 15. The fuse is open or blown. Check why the fuse was blown and repair any problems. Replace the fuse. The variable stage is configured as Configure the variable stage for cooling. For more information, read Configuring the OFF stages on page 23. The idle speed setting is too low. Increase the idle speed setting.
Appendixes Phason Appendix C: Factory defaults When your SEC-HD leaves the factory, it comes with default settings and configuration. Configuring and programming your SEC-HD changes the factory defaults. Resetting your SEC-HD erases all the configuration and settings you programmed and then restores the factory defaults. For more information, read Restoring the factory defaults, parameter 27 on page 43.
SEC-HD user manual Appendix D: Installation worksheet Appendix D: Installation worksheet Use the following worksheet to list all the equipment (fans, heaters, and so on that you want your SEC-HD to control. We recommend you make a copy of the worksheet before filling it in because you need more than one sheet or you make a mistake. Use the Installation worksheet when you fill in the Configuration worksheets (starting on page 56).
Appendixes Phason Appendix E: Configuration worksheets Use the Installation Worksheet on page 55 when completing the configuration worksheets. Main control function worksheet For each item, circle or write in the configuration. Item Description Configuration Units The unit of measure for temperature. °C Frequency The line frequency of the incoming power.
SEC-HD user manual Appendix F: Settings worksheets Relay configuration worksheet 3 4 5 Proportional cool Proportional heat Cool Heat Description Off Stage On For each stage, enter a description (for reference only) and put a check mark in the appropriate column. The first table is an example. 36-inch fan 24-inch fans Gas furnace 3 4 5 Appendix F: Settings worksheets Appendix F contains worksheets for you to use when programming your SEC-HD settings.
Appendixes Phason Relay stages worksheet Parameter Setting Range/options Stage 3 set point -13.0 to 125 °F (-25 to 51.7°C) Stage 4 set point -13.0 to 125 °F (-25 to 51.7°C) Stage 5 set point -13.0 to 125 °F (-25 to 51.7°C) Stage 5 P-band temperature 1 to 16.0°F (0.6 to 8.9°C) Stage 5 P-band interval 5 to 25 minutes Required only if stage 5 is configured as proportional heat or proportional cool.
SEC-HD 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. Without a motor curve, the Multifan motor would run at a slower RPM than the Marathon motor at the same settings.
Appendixes Manufacturer Franklin Leeson Magnetek Marathon Multifan 60 Phason Diameter (inches) 24 10 14 18 24 24 36 12 12 36 12 24 18 20 Model 4E45 4E50 Specifications Recommended curve 0.
SEC-HD user manual Index A acknowledging alarms ............................. 35–36 active program................................................ 35 actuator jam alarm .......................................... 31 alarm settings ........................................... 31–33 alarm systems.................................... 1, 8, 13–14 averaging temperature probes ................. 10–11 B buttons .............................................................. 3 E electrical noise .....................
Index operating program.......................................... 35 P parameters.......... 22–24, See also programming or configuration power ........ See incoming power or three-phase power power contactors ........................................ 7, 44 power surges ................................................ 5–6 Phason selecting frequency .............................................. 17–18 temperature units ....................................... 17 settings saver .......................
Limited warranty This warranty applies only to the Phason Staged Environment Control (SEC-HD). If you need warranty service, return the product and original proof of purchase to your dealer. Phason Inc. (Phason) warrants the SEC-HD 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.
Service and technical support Phason will be happy to answer all technical questions that will help you use your SEC-HD. 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 51 and then follow the instructions for resolving the alarm condition.
