User manual
iv
Acknowledging alarms ........................................................................................................................ 39
Testing settings and equipment .............................................................................................................. 40
Using Stage override mode ................................................................................................................. 40
Using temperature override mode ....................................................................................................... 41
Servicing and maintaining your SEC-HD ................................................................................................ 42
Enabling and disabling ventilation....................................................................................................... 42
Restoring the factory defaults, parameter 27 ...................................................................................... 43
Saving and restoring settings .............................................................................................................. 44
Displaying the firmware version, parameter 29 ................................................................................... 45
Updating the firmware, parameter 28 .................................................................................................. 45
Replacement kits and optional accessories ........................................................................................ 47
Appendixes ...................................................................................................................... 49
Appendix A: Glossary .............................................................................................................................. 49
Appendix B: Troubleshooting .................................................................................................................. 50
Alarm and error messages .................................................................................................................. 51
Troubleshooting ................................................................................................................................... 52
Appendix C: Factory defaults .................................................................................................................. 54
Appendix D: Installation worksheet ......................................................................................................... 55
Appendix E: Configuration worksheets ................................................................................................... 56
Main control function worksheet ......................................................................................................... 56
Variable stage configuration worksheet .............................................................................................. 56
Relay configuration worksheet ............................................................................................................ 57
Appendix F: Settings worksheets ............................................................................................................ 57
Variable stage settings worksheet ....................................................................................................... 57
Relay stages worksheet ....................................................................................................................... 58
Alarm settings worksheet .................................................................................................................... 58
Appendix G: Motor curves ....................................................................................................................... 59
Index ................................................................................................................................ 61










