User Manual

CE2N5243en
2017-11-21
Building Technologies
5
243
Digital Time Switch
SEH62.1
Digital time switch used to switch plant on and off, or for the control
of setback periods at night or at weekends.
Integrated countdown timer
Suitable for mounting on DIN rail
Simple programming with large and easy - to-understand LCD
Manual on/off control
Quick Daylight Saving (DS) adjustment
Backup of 72 hours
Functions
The microprocessor automatically stores the programmed times in chronological order.
The time switch operates in one of 4 modes:
Manual continuously on
Manual continuously off
Adjustable count down timer on, or
Automatic operation via the time program
A switch with momentary contact closure across M-D1 activates the countdown timer.
The power supply is buffered by a memory backup capacitor. In the event of a power
failure, the time switch will continue to run, with the program retained, for 72 hours.
However, the relay will assume (or remain in) the normal position.

Summary of content (5 pages)