Grasslin GM40E - User Manual

SPECIFIERS GUIDE
Time switch shall contain an OFF/ON manual override. For Carry-over: The time switch
shall have a battery backup capable of over 7 days reserve carry-over.
40 Amp Rated
Contacts
One Minute Intervals
LCD Display
w/Backlight
Timer Key
Clock Key
GM40E Timer Module
Reset Button
Override Key
Minute (m+)
Key
Hour (h+)
Key
Day Key
Amber and Green
LED Lights
GM40E PROGRAMMING INSTRUCTIONS
http://waterheatertimer.org/Programmable.html#GM40E
http://waterheatertimer.org/How-to-wire-GM40-timer.html#GM40E

Summary

GM40 E Programming Instructions

Specifiers Guide

Specifies requirements for manual override and battery backup for over 7 days.

DTA40 E2 Programming Instructions

Initial Setup

Apply power, reset the unit, and prepare the display for programming.

Setting Current Time

Hold the Clock key and use h+/m+/Day keys to set time and day.

Daylight Savings Time Adjustment

Press h+ and m+ keys simultaneously to adjust the hour for DST.

Programming On;Off Events

Set specific ON/OFF times and days for automated operation.

Block Programming

Select multiple days or day ranges for efficient programming.

Reviewing Programs

Scroll through and edit existing programs using Timer and adjustment keys.

Deleting Programs

Remove specific programs by selecting them and using h+/m+ keys.

Manual Override

Manually turn the unit ON or OFF bypassing programmed schedules.

Grasslin GM40E Specifications

General

Voltage	230V AC
Max Load	16A
Display	LCD
Number of Channels	1
Operating Temperature	-10°C to +50°C
Protection Class	IP20
Mounting Type	DIN Rail
Power Consumption	1.5 W
Switching Capacity	16A / 250V AC
Time Setting Range	1 minute to 7 days
Mounting	DIN Rail