Manual for installation, start up, and maintenance of all Legacy A2L scroll chillers.
Air-Cooled Process Chiller, (optional) PLC Controlled VFD Condenser Fan Motor Calibration
SUMMARY The attached PDF includes information needed to verify factory settings and/or field calibrate optional PLC controlled VFD condenser fan motors on air cooled condenser chiller models. MORE INFORMATION -None- APPLIES TO All air cooled chiller models with factory installed (optional) PLC controlled VFD condenser fan motors. RELATED DOCUMENTS VFD Condenser fan settings. Technical Bulletin […]
City Water Changeover / Economizer Power Open Spring Closed Valves
SUMMARY The attached PDF includes information needed for service of the JCI VA9208 power open spring return values. MORE INFORMATION The attached PDF includes information needed for service of the JCI VA9208 power open spring return values. APPLIES TO Legacy Chiller Systems optional auto city water change over panels and chillers equipped with Legacy’s Patented […]
Idec Controls Training – Video – Reset control settings to factory defaults
RESOLUTION This video covers reset the IDEC chiller control system to factory defaults. Click here to view video
IDEC – Control remote chiller and system pump Start Stop
SUMMARY Detailed information on how to remotely turn your chillers system pump or entire chiller on and off. RESOLUTION We have provided a PDF download file that describes how to the Idec I4 and I7 dedicated inputs to turn the chillers system pump (I4) or the entire chiller (I7) on and off remotely. APPLIES TO […]
PLC – IDEC OS Firmware Update Procedure
SUMMARY This article contains instructions on how to update the IDEC PLC firmware to the latest version. SYMPTOMS When performing PLC/HMI control logic software update, downloaded from this site, an error indicating “PLC Type/Version Error. CAUSE Features offered on the latest PLC logic update are not supported on the PLC’s current OS version. RESOLUTION In […]
Idec Controls Training – Video – Changing your PLC/HMI IP address
RESOLUTION This video covers how to change your PLC/HMI IP addresses to match your buildings network subnet. Click here to view video