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: […]
Service Bulletin – Temperature Thermisters
SYMPTOMS Temperature thermisters not not reading the correctly. Digital thermometer reading is more then 3F off from the reading showing on the IDEC touch screen. CAUSE Possible loose physical connection between the pipe and the probe, interference from high voltage electrical power lines run to close to the leads, defective sensor or defective IDEC thermistor […]
PLC/HMI Software update Procedure for Single and Dual Compressor Models
SUMMARY This article contains instructions and downloadable software for updating Legacy chillers equipped with the IDEC Pentra PLC and touch screen. RESOLUTION Important information: If your chiller of PSG retrofit kit was manufactured prior to 4-28-16, please check your chillers control version located on the lower left of your home screen. If you are running […]