Harmony Overview | Lochinvar specs

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Lochinvar operation manual Harmony Overview

Contents

TABLE OF CONTENTS LochinvarHARMONY SEQUENCING CONTROL Harmony Function ChartHARMONY FULL MODULATION Harmony Overview WIRING THE POWER INSTALLATIONINPUT WIRING INPUT WIRING EMS Sourcing Current INSTALLATION INPUT WIRINGWIRING THE SHUTDOWN WIRING THE SYSTEM PROVE System Prove WIRING THE BOILER ACTIVE INPUTSSignal Dry Contact EMS INPUT OUTPUT WIRINGWIRING A SETBACK CONNECTING AN OUTDOOR SENSOR Wiring the SYS Output WIRING THE SYSTEM OUTPUTWIRING THE STAGE OUTPUTS System Output Operation in Reset Mode INSTALLATION OUTPUT WIRINGWIRING TO 4-20MA MODULATING MOTORS WIRING TO VOLTAGE MODULATING MOTORS MAKING SELECTIONS USING THE MENUSUSING MENUS CHANGING SETTINGS Default - F SYSTEM STARTUPSTARTUP SEQUENCE SELECTING THE SENSOR TYPE Not available for Reset Sensor Types EMS INPUT Default - SetbackSELECTING THE MODULATING MODE Default - Normal SELECTING THE OUTPUT TYPE Press to select Process SELECTING THE OPERATING MODE Default - NormalSYSTEM STARTUP Press to select Normal or turn to scroll down THE MAIN DISPLAY OPERATING SETTINGSRESET F AND RESET C SET POINT PROCESS GAIN/THROTTLING RANGE TABLE Default =THROTTLE GAIN/THROTTLE LEAD STAGE LEAD STAGEUsed to manually change the lead stage THE SYSTEM SETTINGS MENU SYSTEM SETTINGSSETTINGS SYSTEM SETTINGS SYSTEM SETTINGS PURGE DELAY Default - 1.0 minDefault - 0 min LAG DELAY SETBACK STANDBY TIME Default - 10 minSYSTEM RUN-ONDefault - 0 min Default LAST STAGE HOLD Default 24hrDefault ROTATE TIME SYSTEM SETTINGS PASSWORDDefault Disabled SET TIME MODE STAGE SETTINGSINDIVIDUAL STAGE ADJUSTMENTS THE STAGE MENU Default - OFF Press to show setting Turn to adjust value IGNITION POINT Default - 1%MODULATION START Default - 75% STAGE SETTINGS COPY SETTINGS - STAGE A ONLY STAGE SETTINGSModulating Mode - PARALLEL OFFSET Default RESET SETTINGSRESET RATIO Default OUTDOOR CUTOFF RESETDefault 64F MINIMUM WATER TEMPERATURE Default 70F STAGE OUTPUTS TROUBLESHOOTINGTROUBLESHOOTING TEMPERATURE INPUTS APPENDIX APPENDIXSYSTEM STARTUP MENU EXTERNAL SET POINT 4-20MA EMS-CONTROLRANGE MOVING AROUND THE STAGES MENUS MANUAL CONVENTIONSAPPENDIX Symbols INDEXIndex INDEX HARMONY SPECIFICATIONS Lead Stage Rotation4-20mAExternal Input