Do you have a question about the Qualitrol 111L and is the answer not in the manual?
The 111-300 enclosure can house one or two ETM units (111L/111W) for monitoring winding and oil temperatures.
Instructions for mounting the 111-300 on a flat surface using four fasteners via mounting holes.
Details on connecting primary power to TB1-19 and TB1-21, including earth ground and fuse protection.
Information on using 100 ohm Platinum RTD (Pt100) sensors for oil temperature monitoring.
Details on SPDT (form C) contacts for Fan #1, Fan #2, Alarm, and Trip relays.
Describes the optional milliamp output current loop for proportional temperature readings.
Explains the RS-232 data link for setup and parameter changes via a computer.
Details the optional RS-485 data link for Modbus RTU communication with a master station.
Information on the optional enclosure heater kit (KIT-031-1) for temperature control.
Describes the 3-digit, 7-segment LCD display showing present and max stored temperatures.
Explains the four icons (1-4) indicating Fan, Alarm, and Trip relay status, and the fault icon.
Details the function of the MAN/FAN and TEST buttons for controlling fans and initiating test sequences.
Explains the Fan Exerciser feature that turns fans ON at set intervals for a set run time.
Describes how Fan Bank Switching evens out wear by swapping setpoints of Fan #1 and Fan #2.
Instructions for running SETUP.BAT from the CD to install the software and create a desktop icon.
Describes selecting or creating configuration files (NEW/OPEN) for the ETM.
Explains how to view/change config, download to ETM, save to file, and select communication port.
Details how the 111W stores winding rise tables for calculating winding temp from oil temp and current.
Explains how the 111W sends continuous data via RS232 and how to display values from the unit.
Guides through checking and changing the CT input calibration for the 111W.
States that there are no fuses in the 111L/111W ETM and mentions external fuse requirements.