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Summary of Contents for Phason SEC-HD
- Page 1 STAGED ENVIRONMENT CONTROL MODEL SEC-HD USER'S GUIDE...
- Page 3 LIMITED WARRANTY PHASON warrants this unit, the SEC-HD, subject to the following terms and conditions. This warranty is valid only to the original purchaser for a period of 2 years from the date of manufacturing. Manufacturing date is stated in the first eight digits of the serial number in the form year- month-day.
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Page 5: Table Of Contents
FEATURES OF THE SEC-HD ........................1 GETTING STARTED ............................2 SEC-HD Electrical Ratings ....................4 Equipment List ........................5 GETTING TO KNOW THE SEC-HD ......................6 Definition of Terms ......................7 ADJUSTING THE SEC-HD ..........................8 Selecting a new Operating Program ..................8 Changing Parameter Settings.................... -
Page 6: Features Of The Sec-Hd
It connects to two variable speed fans, a combination of secondary fans and heaters and an alarm system. When operating, the SEC-HD measures and displays the room temperature. While monitoring the temperature it controls the connected ventilation and heating equipment according to the programmed settings to keep the temperature at the desired point. -
Page 7: Getting Started
GETTING STARTED Congratulations on the purchase of your new SEC-HD environment control! This manual has been prepared to help you get the utmost in satisfaction from your SEC-HD. It contains detailed information regarding the installation and operation of the control. The Getting Started section will step you through the installation and configuration of your SEC-HD. The following steps refer to other sections of this user's guide for additional information. - Page 8 SETTING UP STEP • Read through the GETTING TO KNOW THE SEC-HD section on page 6 and get familiar with the programming procedures. • Read the SETUP section on page 11. • Configure the SEC-HD according to the type of equipment connected.
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Page 9: Sec-Hd Electrical Ratings
SEC-HD Electrical Ratings TEMP SENSOR ALARM RELAY RATINGS: STAGES 3, 4 and 5 MAXIMUM RATINGS: VARIABLE SPEED STAGES 0.2 Amps, 230 VAC MAXIMUM RATINGS: Standard sensor: 30 0.4 Amps, 24 VAC 6 FLA (full load amps) each 10.0 FLA (full load amps) each... -
Page 10: Equipment List
Alarm relay connected to: Alarm * A power contactor must be used if the maximum total current draw is greater than the maximum ratings of the relay. See the maximum ratings on page 4. SEC-HD User Manual 2001-01-23 102452 Rev. 2... -
Page 11: Getting To Know The Sec-Hd
GETTING TO KNOW THE SEC-HD 1) PROGRAM button - used to select the desired 6) UP button - used to adjust a parameter. operating program. 7) STAGE 1 indicator light. 2) STORE button - used to save selected programs and parameter settings in memory. -
Page 12: Definition Of Terms
PARAMETER LIST The parameter list is shown on page 19, and is printed on the front of the SEC-HD control. It is a list of all the parameters that may be programmed by the user. -
Page 13: Adjusting The Sec-Hd
Any one of these programs can be the operating program. In order to change the operating program of the SEC-HD, follow the instructions below. For a list of the factory settings see Table 2, on page 20. -
Page 14: Changing Parameter Settings
The parameters can now be adjusted. If memory protect in not turned off, the parameters can only be viewed. Attempting to adjust the parameters while memory protect is on will result in an Err message being displayed. SEC-HD User Manual 2001-01-23 102452 Rev. 2... - Page 15 NOTE: If the SEC-HD is left displaying a parameter it will revert back to normal operation in 1 minute automatically. If STORE was not pressed the displayed parameter will change back to its previous value.
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Page 16: Setup Parameters
When the setup parameters have been programmed, the blank program table in Appendix D should be filled in with the new settings for future reference. It is important that the configuration decal, included with the SEC-HD, is marked correctly and affixed to the side of the SEC-HD when the setup parameters have been programmed. - Page 17 UP button and then press the DOWN button. The setting will increase ten times faster. To decrease the setting ten times faster, hold down the DOWN button and then press the UP button. SEC-HD User Manual 2001-01-23 102452 Rev. 2...
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Page 18: Reloading The Factory Settings
When the factory programs are reloaded, the existing programs including the setup parameters will be replaced. The SEC-HD will begin with program A as the operating program. The parameters in all programs and most importantly the setup parameters will need to be reprogrammed for the equipment that is connected. Pay close attention to the setup parameters for stages 3, 4 and 5. -
Page 19: Sec-Hd Operation
Figure 2 shows the operation of each stage of the SEC- EXAMPLE HD. This particular diagram shows the temperatures at which the stages would turn on and off if the SEC-HD was As an example, say the temperature is 75 F and rising. At operating according to the factory settings in program A. - Page 20 Figure 2 SEC-HD Operation diagram. Circled numbers correspond to the parameter numbers. SEC-HD User Manual 2001-01-23 102452 Rev. 2...
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Page 21: Parameter Descriptions
F and Stage 2 P-Band2 (#8), is set at 5 F, the Stage 2 variable speed fan will start to increase speed at 90 F and will be at full speed at 95 SEC-HD User Manual 2001-01-23 102452 Rev. 2... - Page 22 The heating stages are not affected. Ventilation may be turned OFF when a room is vacant to conserve energy. When it is turned OFF the SEC-HD will display VoFF.
- Page 23 STAGE 1 POWER FACTOR COMPENSATION [0.5 - 2.5] - This is set at the factory to 1.0 and should only be adjusted if the Stage 1 variable speed fan does not operate properly with the SEC-HD. STAGE 2 POWER FACTOR COMPENSATION [0.5 - 2.5] - This is set at the factory to 1.0 and should only be adjusted if the Stage 2 variable speed fan does not operate properly with the SEC-HD.
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Page 24: Parameter Ranges
Stage 2 Minimum Idle 0 to 99 Hysteresis 0.5 to 2.5 0.3 to 1.4 Stage 1 P.F. Compensation 0.5 to 2.5 Stage 2 P.F. Compensation 0.5 to 2.5 Table 1 Adjustable ranges of the parameters. SEC-HD User Manual 2001-01-23 102452 Rev. 2... -
Page 25: Factory Programs
Factory Programs The SEC-HD is programmed with the factory settings as shown below. See the ADJUSTING THE SEC-HD section for instructions to change the operating program. Select the most useful program and make changes where it is necessary. PROGRAM NAMES... -
Page 26: Methods Of Use
METHODS OF USE The SEC-HD has seven programs which can be selected as the operating program. To take advantage of the programs, adjust them for different climate settings. They can be used for different kinds of livestock or used at different stages of maturity of the particular livestock. -
Page 27: Alarm Messages
The low power alarm turns on when the line voltage drops below 190 for 230 VAC operation or below 95 for 115 VAC operation. This indicates a problem with the electrical service of the building. The control may operate erratically if the voltage drops below these levels. SEC-HD User Manual 2001-01-23 102452 Rev. 2... - Page 28 Consult your dealer or Phason for information to prevent this problem from happening again. VoFF is displayed when VENTILATION (parameter #16), is turned OFF. When this is displayed, the variable speed stages and the cooling stages will be turned off.
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Page 29: Care And Maintenance
4) Check the control again after two weeks to verify that it is properly sealed. The control should be opened and inspected once a year for moisture. Proper care and maintenance will extend the life of the control. SEC-HD User Manual 2001-01-23 102452 Rev. 2... -
Page 30: Power Factor Correction
FULL SPEED TEMP SET - ROOM TEMPERATURE Example 2: ROOM TEMP = 75 F and FULL SPEED TEMP SET = 82 Correction Number = = 1.43 Now use CALC 1 above to find the P-Band setting. F - 75 SEC-HD User Manual 2001-01-23 102452 Rev. 2... -
Page 31: Appendix A - Wiring Diagrams
230 VAC VARIABLE SPEED FAN ................... 36 115 VAC VARIABLE SPEED FAN ................... 36 CORRECT 3 PHASE WIRING ................... 37 INCORRECT 3 PHASE WIRING..................37 HEAT/COOL BYPASS SWITCH ..................38 VARIABLE STAGE BYPASS SWITCH................38 SEC-HD User Manual 2001-01-23 102452 Rev. 2... -
Page 32: Installation Overview
See page 36 Wiring diagrams and instructions for the different stages are located on the pages listed above. First read the General Warnings and Mounting Instructions sections, then follow the diagrams for each stage. SEC-HD User Manual 2001-01-23 102452 Rev. 2... -
Page 33: General Warnings
Even reliable products may experience occasional failures, and this possibility should be recognized by the user. 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. -
Page 34: Mounting Instructions
MOUNTING INSTRUCTIONS To mount the SEC-HD, remove the four screws in the front cover and lift off the cover. The cover can be unplugged from the bottom to make wiring easier. Mount the box to the wall with the four wood screws provided with the control. Insert the screws into the large holes in each corner of the box and tighten. -
Page 35: 230 Vac Control Power
230 VAC CONTROL POWER Connect power to terminals 1 and 2. A) Set switch to 230 VAC position. See page 37, for instructions for connecting the SEC-HD to three phase power. 115 VAC CONTROL POWER Connect power to terminals 1 and 2. -
Page 36: Temperature Sensor
To take advantage of this option, you must connect four temperature sensors to the unit. A) The SEC-HD can operate with one or four probes connected. SEC-HD User Manual 2001-01-23... -
Page 37: Manually Extending Sensor
Check to be sure that the sensor cable is not run alongside other electrical wires or near electrical equipment. When crossing electrical wires, it is best to cross at 90 SEC-HD User Manual 2001-01-23 102452 Rev. 2... -
Page 38: Alarm Siren Installation
Connect alarm to terminals 14, 15 and 16. 14 - COMMON 15 - NORMALLY OPEN 16 - NORMALLY CLOSED A - See the SEC-HD Electrical Ratings section for the alarm relay ratings. B & C - Use a backup battery and an appropriate charging system. -
Page 39: 230 Vac Heat/Cool Stages
Rating: 6 FLA at 115 VAC Fuses F1, F4, F5: 12 Amp, 250 VAC B - 115 VAC power contactor. C - Load type: fan or heater. Install according to applicable local electrical codes. SEC-HD User Manual 2001-01-23 102452 Rev. 2... -
Page 40: Heat/Cool Stage Furnace
Connect Stage 5 to terminals 22 and 23. A - Relay Ratings: 6 FLA, 115 or 230 VAC Fuses F1, F4, F5: 12 Amp, 250 VAC B - This configuration shows the SEC-HD connected to the power connections for a gas fired furnace or brooder. -
Page 41: 230 Vac Variable Speed Fan
Connect Stage 1 to terminals 34 and 35. Connect Stage 2 to terminals 32 and 33. A - Fuses F2 and F3: 15 Amp, 250 VAC ceramic fuse. B - Variable speed fan. Wire according to applicable local electrical codes. SEC-HD User Manual 2001-01-23 102452 Rev. 2... -
Page 42: Correct 3 Phase Wiring
DO NOT connect 115 VAC power to terminals 1 and 2 on the SEC-HD and power the fans with 230 VAC. INCORRECT 3 PHASE WIRING If the control power and the variable speed stages are wired to different phases, the fans will operate erratically. -
Page 43: Heat/Cool Bypass Switch
A - A bypass switch may be installed so the stage can be operated manually, turned off, or controlled automatically by the SEC-HD. When the switch is in the upper position the stage will be controlled automatically. When the switch is in the center... -
Page 44: Appendix B - Self-Test Procedure
APPENDIX B - TEST PROCEDURE CONTENTS BUILT IN TEST PROCEDURE..................40 INPUT TEST ........................40 MEMORY TEST ......................... 40 DISPLAY TEST ........................41 VARIABLE STAGE TEST ....................41 RELAY TEST........................41 RESET TEST ........................42 SEC-HD User Manual 2001-01-23 102452 Rev. 2... -
Page 45: Built In Test Procedure
BUILT-IN TEST PROCEDURE The SEC-HD has a built in test procedure. The test should be performed after the control has been installed and may be used at any time to check the operation of the control. The test procedure tests the circuitry in the control and each stage individually. -
Page 46: Display Test
3) Press the PARM button to perform the display test. The SEC-HD will display 8888 and then will count from 0 to 9 on each digit. After the display test is done the SEC-HD will display "t ds" which stands for "test display". -
Page 47: Reset Test
Other alarms might be displayed if the SEC-HD has not yet been programmed. This completes the built-in test procedure in the SEC-HD. If at any point during this test, the SEC-HD or equipement did not function properly, refer to the trouble shooting guide in Appendix C. -
Page 48: Appendix C - Trouble Shooting Guide
APPENDIX C - Trouble Shooting Guide CONTENTS TROUBLE SHOOTING ......................44 SEC-HD User Manual 2001-01-23 102452 Rev. 2... - Page 49 Adjust Off-Set-Back to cover required Room temperature below range of Stage range 1 / Stage 2 Off-Set-Back (Parameters 4/6) Change Ventilation to on Ventilation is turned off (V off) (Parameter 16) Replace fan Fan is faulty SEC-HD User Manual 2001-01-23 102452 Rev. 2...
- Page 50 Replace Fan/Heater Fan/Heater is faulty Alarm relay not operating alarm Wiring incorrect Correct wiring system Alarm message on display Alarm condition present See Alarm section. Clear alarm condition by pressing RETURN SEC-HD User Manual 2001-01-23 102452 Rev. 2...
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Page 51: Appendix D - Blank Program Tables
APPENDIX D - Blank Program Tables CONTENTS BLANK PARAMETER CHART....................47 SEC-HD User Manual 2001-01-23 102452 Rev. 2... - Page 52 Blank Parameter Chart When changes to the programs are made the changes should be marked in the tables below. This will provide a quick reference chart to refer to when reprogramming the SEC-HD in the future. PROGRAM NAMES PARAMETERS MAIN...
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