User manual and installation guide
Chapter 2: Installing your SEC-HD Phason 10 One of the most common causes of power surges is lightning. When lightning strikes the ground, it pro
SEC-HD user manual What you need to know before installing your SEC-HD 11 Do not use Snubber filters with variable stages. Some power cont
Chapter 2: Installing your SEC-HD Phason 12 SEC-HD layout Voltage selection switch: set this switch to the correct voltage before installing yo
SEC-HD user manual Connecting equipment to your SEC-HD 13 Mounting your SEC-HD 1. Select a location for your SEC-HD. Make sure you have enough c
Chapter 2: Installing your SEC-HD Phason 14 You can connect your SEC-HD to 120 or 230 VAC, 50 or 60 Hz power. To connect the incoming power sour
SEC-HD user manual Connecting equipment to your SEC-HD 15 Connecting variable-stage cooling elements The SEC-HD has two variable-stage cooling
Chapter 2: Installing your SEC-HD Phason 16 Using three-phase power If you are connecting your SEC-HD to a three-phase system, connect the contro
SEC-HD user manual Connecting equipment to your SEC-HD 17 To connect single-stage heating or cooling elements Connect single-speed heating or coo
Chapter 2: Installing your SEC-HD Phason 18 To connect an alarm system If you are connecting the alarm system to a network of controls and y
SEC-HD user manual Finishing the installation 19 After you have finished connecting all equipment, wiring, and cables to your SEC-HD, it is time
Copyright Phason Inc. Printed in Canada All rights reserved. 31048004 About the manual The manual describes the features of your SEC-HD and how to
20 Chapter 3: Configuring your SEC-HD Chapter 3 explains how to configure your SEC-HD. Configuring your SEC-HD includes telling it which equipme
SEC-HD user manual Configuring the main control functions 21 Configuring the main control functions Before configuring the variable and relay sta
Chapter 3: Configuring your SEC-HD Phason 22 To select the operating frequency 1. Press Program until ( 0 N f displays and then press Select. Th
SEC-HD user manual Configuring the stages 23 Configuring the stages Your SEC-HD has three types of stages: two variable stages, three relay (ON/O
Chapter 3: Configuring your SEC-HD Phason 24 Configuring relay stages, parameters 21 to 23 The SEC-HD has three relay stages you can configure as
SEC-HD user manual Testing the configuration 25 Testing the configuration After configuring all the control elements (variable stages, relays, an
Chapter 4: Programming your SEC-HD Phason 26 Chapter 4: Programming your SEC-HD What you need to know before programming Programming the SEC-HD b
SEC-HD user manual What you need to know before programming 27
Chapter 4: Programming your SEC-HD Phason 28 Stage 2 idle range is the temperature above which the stage 2 fan operates at Stage 2 idle speed.
SEC-HD user manual Programming the parameters 29 Programming the parameters Programming the parameters explains parameters 1 to 23 and how to pro
iii Table of contents Chapter 1: Introducing the SEC-HD ... 5 Intro
Chapter 4: Programming your SEC-HD Phason 30 Programming variable stages, parameters 2 to 9 There are four settings to program for each variable
SEC-HD user manual Programming the parameters 31 If you need to connect more cooling elements than you have relays available, and you are not
Chapter 4: Programming your SEC-HD Phason 32 How proportional control works (stage 5 only) Proportional heating When configured for proportional
SEC-HD user manual Programming the parameters 33 Proportional cooling When configured for proportional cooling, the relay controls a water pump
Chapter 4: Programming your SEC-HD Phason 34 To program proportional band settings The examples in the following procedure use program A. Progra
SEC-HD user manual Programming the parameters 35 Programming alarm settings, parameters 15 and 16 There are four alarms. For a more-detailed desc
Chapter 4: Programming your SEC-HD Phason 36 1. Press Program until the program you want to adjust displays, for example A pr for program A. 2.
SEC-HD user manual Programming the parameters 37 5. To enable or disable the Power fail alarm, press Up or Down until 33 displays and then press
38 Chapter 5: Monitoring and maintaining your SEC-HD Chapter 5 explains how to monitor the SEC-HD after you have installed, configured, and prog
SEC-HD user manual Monitoring your SEC-HD 39 Selecting the operating program The SEC-HD has four configurable programs, A, B, C, D, E, F, and G i
iv Acknowledging alarms ... 3
Chapter 5: Monitoring and maintaining your SEC-HD Phason 40 To acknowledge alarms Press Select. If there was only one alarm message, the SEC-HD c
SEC-HD user manual Testing settings and equipment 41 To use stage override mode 1. Press Program until t e s t displays and then press Select. T
Chapter 5: Monitoring and maintaining your SEC-HD Phason 42 To use temperature override mode 1. Press Program until t e s t displays and then pr
SEC-HD user manual Servicing and maintaining your SEC-HD 43 DO NOT use the disable ventilation function to shut down fans while working on wirin
Chapter 5: Monitoring and maintaining your SEC-HD Phason 44 Saving and restoring settings The SEC-HD Saver is an innovative and easy-to-use produ
SEC-HD user manual Servicing and maintaining your SEC-HD 45 6. To return to the Configuration menu, press Back once. To return to the Main menu, p
Chapter 5: Monitoring and maintaining your SEC-HD Phason 46 The inside of the SEC-HD cover is where you connect the SEC-HD Updater. The cover la
SEC-HD user manual Servicing and maintaining your SEC-HD 47 Replacement kits and optional accessories Parts and kits Display kit, model K310056 S
Chapter 5: Monitoring and maintaining your SEC-HD Phason 48 Power contactors Phason’s 240-volt power contactors are heavy-duty relays that increa
49 Appendixes This section contains reference information that is useful when installing, configuring, setting up, or troubleshooting your SEC-H
5 Chapter 1: Introducing the SEC-HD Chapter 1 introduces you to the Staged Environment Control (SEC-HD). Read chapter 1 before reading the rest
Appendixes Phason 50 idle range The temperature setting below which a variable stage's fan is off and the inlet is closed. When the temperat
SEC-HD user manual Appendix B: Troubleshooting 51 Alarm and error messages The following table lists the alarm and error messages, the possible c
Appendixes Phason 52 Troubleshooting The following table lists some problems, possible causes, and possible solutions. If you are having a proble
SEC-HD user manual Appendix B: Troubleshooting 53 Variable fan not running Incorrect wiring Correct the wiring. For more information, read Conn
Appendixes Phason 54 Appendix C: Factory defaults When your SEC-HD leaves the factory, it comes with default settings and configuration. Configur
SEC-HD user manual Appendix D: Installation worksheet 55 Appendix D: Installation worksheet Use the following worksheet to list all the equipment
Appendixes Phason 56 Appendix E: Configuration worksheets Use the Installation Worksheet on page 55 when completing the configuration worksheets
SEC-HD user manual Appendix F: Settings worksheets 57 Relay configuration worksheet For each stage, enter a description (for reference only) and
Appendixes Phason 58 Relay stages worksheet Parameter Setting Range/options Stage 3 set point -13.0 to 125 °F (-25 to 51.7°C) Stage 4 set poin
SEC-HD user manual Appendix G: Motor curves 59 Appendix G: Motor curves Motor curves provide a way to proportionally increase or decrease speed,
Chapter 1: Introducing the SEC-HD Phason 6 Greenhouse applications Greenhouse applications include controlling ceiling louvers, variable and sing
Appendixes Phason 60 Manufacturer Diameter (inches) Model Specifications Recommended curve 24 0.63 HP, 1700 RPM 2 Franklin 10 1/6 HP, 3450
SEC-HD user manual 61 Index A acknowledging alarms ... 35–36 active program ...
Index Phason 62 operating program ... 35 P parameters ... 22–24, See also programming or configur
Limited warranty This warranty applies only to the Phason Staged Environment Control (SEC-HD). If you need warranty service, return the product a
Service and technical support Phason will be happy to answer all technical questions that will help you use your SEC-HD. Before contacting Phason, c
SEC-HD user manual Becoming familiar with the SEC-HD 7 Becoming familiar with the SEC-HD The four-character LED display shows temperatures, alarm
Chapter 1: Introducing the SEC-HD Phason 8 Menu layout
9 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:
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