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: […]