RESOLUTION This video covers how to check thermister (temperature) and Transducer (Pressure) card status. Click here to view video
IOM Booklet Supplements
SUMMARY IOM Booklet Supplements by Legacy Chiller Systems RESOLUTION The following article contains PDF documentation cover process chiller control updates that may not have been published within the standard IOM booklet shipped. RELATED DOCUMENTS IOM Booklet Supplement – VFD Pump Control IOM Booklet Supplement – Digital Scroll Compressor Control
Service Bulletin – IDEC Microprocessor Custom PLC/HMI IP Address Update Procedure – LEGACY BRAND
SYMPTOMS If the customer wishes to view or remotely control a chiller equipped with IDEC controls via the IDEC HMI touch screen over a building subnet, the following procedure must be followed. ** DO NOT PERFORM THIS PROCEDURE IF YOU ARE USING MULTIPLE LEGACY CHILLERS THAT ARE NETWORKED TOGETHER FOR MASTER/SLAVE USE. THIS PROCEDURE SHOULD […]
Drawing – Chiller Networking – Remote wall mounted HMI configuration – Standalone
SUMMARY Article covers network configuration of remote wall mounted HMI as a standalone network – By Legacy Chiller Systems. RESOLUTION Article and download PDF provides details on network configuration remote wall mounted HMI. NOTE: The network configuration addressed in this article covers optional equipment (such as a MOXA network switch) that must be selected at […]
Drawing – Chiller Networking – HMI webserver on building subnet
SUMMARY Article covers connection of the IDEC HMI, with integrated web server to a customers subnet By Legacy Chiller Systems. RESOLUTION Article and download PDF provides details on network configuration to connect process chillers HMI with integrated web server to building subnet using a factory installed MOXA network switch. NOTE: The network configuration addressed in […]
Drawing – Chiller Networking – EWON secure VPN remote chiller control
SUMMARY Article covers network configuration of secure EWON VPN server – By Legacy Chiller Systems RESOLUTION Article and download PDF provides details on network configuration for a secure VPN connection to a Legacy process chiller for remote control. NOTE: The network configuration addressed in this article covers optional equipment (such as a EWON VPN server) […]
Drawing – Chiller Networking – Dual Chiller Operation – EWON remote VPN access
SUMMARY Article covers dual chiller operation with remote VPN access – By Legacy Chiller Systems. RESOLUTION Article and download PDF provides details on network configuration for automatic lag/lead between two Legacy process chillers equipped with IDEC controls. Customers should use this configuration when remote, secure VPN access and control of process chiller is needed. NOTE: […]