![background image](http://html1.mh-extra.com/html/eaton/at18hm/at18hm_installation-instruction_3829162001.webp)
ENGLISH
AT18HM - INSTALLATION INSTRUCTION FOR ASTRONOMIC PROGRAMMABLE TIMER
www.eaton.com
www.eaton.com/wiringdevices
EIS-0269-EFS (REV. A)
Single-Pole Installation:
1. Take the existing wall switch
out of the wall box, but do not remove the wires.
2. Identify and label all the wires, then remove existing switch
3. Connect the timer to the wires as shown. See Figure 1. Connect the HOT (Line)
to the HOT terminal of the timer. Connect the load wire to the LOAD terminal of
the timer. Connect the neutral wire to the NEUTRAL terminal of the timer. Connect
the ground wire to the GROUND terminal of the timer. Be sure that all the terminal
screws are tight.
4. Tuck the wires into the wall box and leave room for the timer.
5. Mount the timer to the wall box and install the wallplate.
6. Restore power at the circuit breaker.
TR
AVELER
LOAD
NEUTRAL
LINE
Traveler
Load / Charge / Carga
Traveler
TR
AVELER
LOAD
NEUTRAL
LINE
Neutral
Traveler
Traveler
Ground
TR
AVELER
LOAD
NEUTRAL
LINE
Load Charge Carga
Neutral
Neutre
Neutro
Hot Chaude Línea
POWER
ALIMENTATION
ALIMENTACIÓN
POWER
ALIMENTATION
ALIMENTACIÓN
Ground
Mise à la terre
Conexión a tierra
Ground
Mise à la terre
Conexión a tierra
Ground
Mise à la terre
Conexión a tierra
POWER ALIMENTATION ALIMENTACIÓN
Ground Mise à la terre Conexión a tierra
Hot / Chaude / Línea
Neutral
Neutre
Neutro
Hot
Chaude
Línea
Ground / Mise à la terre /
Conexión a tierra
Load
Charge
Carga
Neutral/Neutre/Neutro
TR
AVELER
LOAD
NEUTRAL
LINE
Traveler
Load / Charge / Carga
Traveler
TR
AVELER
LOAD
NEUTRAL
LINE
Neutral
Traveler
Traveler
Ground
TR
AVELER
LOAD
NEUTRAL
LINE
Load Charge Carga
Neutral
Neutre
Neutro
Hot Chaude Línea
POWER
ALIMENTATION
ALIMENTACIÓN
POWER
ALIMENTATION
ALIMENTACIÓN
Ground
Mise à la terre
Conexión a tierra
Ground
Mise à la terre
Conexión a tierra
Ground
Mise à la terre
Conexión a tierra
POWER ALIMENTATION ALIMENTACIÓN
Ground Mise à la terre Conexión a tierra
Hot / Chaude / Línea
Neutral
Neutre
Neutro
Hot
Chaude
Línea
Ground / Mise à la terre /
Conexión a tierra
Load
Charge
Carga
Neutral/Neutre/Neutro
Model: AT18HM
Astronomic Programmable Timer
FEATURES:
• Astronomical feature: Automatically adjusts dusk
to dawn times
• Total of 7 on, 7 off programmable settings
• Single pole or three way installations
• Random ON/OFF operation for security
• Manual override
• Battery backup: Programs will be saved during
power outages
• Daylight Savings: Auto adjusts for daylight
savings time
• Replaces standard wall switch
• Back-lit LCD screen
• Works with CFL, LED and incandescent bulbs
SPECIFICATIONS
Voltage..................................................................................................................120VAC, 60Hz
Resistive.........................................................................................................................15Amps
Tungsten...........................................................................................................................1200W
Standard Ballast............................................................................................................1200VA
Electronic Ballast/ LED............................................................................................5A (600W)
Motor..................................................................................................................................1/2HP
WARNING
Turn the power off at the circuit breaker before installing the
timer.
Read and understand these instructions before installing. This device is intended for
installation in accordance with the National Electrical Code as well as local regulations.
It is recommended that a qualified electrician performs this installation. Make sure to
turn off the circuit breaker or fuse(s) before wiring the device.
Use copper wire only.
Pre-Installation Requirements:
• This timer
requires
that your switch box have a neutral wire for proper installation
in order to operate correctly. If you open up your switch box and only see 2 wires,
this indicates that your switch box does not have a neutral wire and this timer will
not work.
• This timer will work in a single pole or 3-way installation. It will not work in a
4-way installation.
• This timer is rated for loads up to 15 amps.
FIGURE 1:
Single pole installation
Installation unipolaire
Instalación 1 polo
Part
Description
1
DISPLAY
: easy-to-read digital
display
2
SET
: press to set the calendar, clock,
region and daylight saving setting
3
PROG
: press to set daily on/off
times
4
DAWN/DUSK
: press to change the
default dawn/dusk times
5
MODE/DELETE
: press to choose
from auto, manual or random modes,
when the timer is in program mode,
this button deletes program settings
6
ON/OFF AND TIMER OVERRIDE
:
press to turn load on/off and hold to
start the countdown function
7
UP/DOWN BUTTON
: press to
change selected value
8
RESET
: press to reset the timer to
return to default settings.
9
HOME
: press to return to Home
screen
Buttons
Description
ON
MO TU WE TH FR SA SU
A
O
MO TU WE TH FR SA SU
OFF
FR
A
Daylight Savings
ON
INDICATOR
AM/PM
A
INDICATORS
P
DAWN INDICATOR
P
A
DUSK INDICATOR
COUNTDOWN
INDICATOR
ON
SETTING TIME AND REGION:
1. Open the faceplate. Gently press RESET to clear all programs and set timer to
default settings. Press the SET button to begin setting the timer and calendar.
The time “12:00 am” will be flashing. See Figure 6.
FIGURE 5
AT18HM
TR
AVELER
LOAD
NEUTRAL
LINE
Traveler
Load / Charge / Carga
Traveler
TR
AVELER
LOAD
NEUTRAL
LINE
Neutral
Traveler
Traveler
Ground
TR
AVELER
LOAD
NEUTRAL
LINE
Load Charge Carga
Neutral
Neutre
Neutro
Hot Chaude Línea
POWER
ALIMENTATION
ALIMENTACIÓN
POWER
ALIMENTATION
ALIMENTACIÓN
Ground
Mise à la terre
Conexión a tierra
Ground
Mise à la terre
Conexión a tierra
Ground
Mise à la terre
Conexión a tierra
POWER ALIMENTATION ALIMENTACIÓN
Ground Mise à la terre Conexión a tierra
Hot / Chaude / Línea
Neutral
Neutre
Neutro
Hot
Chaude
Línea
Ground / Mise à la terre /
Conexión a tierra
Load
Charge
Carga
Neutral/Neutre/Neutro
FIGURE 2
3-way installation
Installation à 3 voies
Instalación de tres vías
Timer at load side
Minuterie du côté charge
Temporizador en el lado de carga
FIGURE 3:
3-way installation
Installation à 3 voies
Instalación de tres vías
Timer at load side
Minuterie du côté charge
Temporizador en el lado de carga
FIGURE 4
1. DISPLAY
ÉCRAN
PANTALLA
2. SET
RÉGLAGE
CONFIGURAR
3. PROG
PROG
PROGRAMACIÓN
4. DAWN/DUSK
LEVER ET COUCHER
DU SOLEIL
AMANECER/
ATARDECER
5. MODEL/DELETE
MODÈLE/SUPPRIMER
MODELO/ELIMINAR
7. UP/DOWN BUTTON
BOUTON HAUT/BAS
BOTÓN ARRIBA/
ABAJO
8. RESET
RÉINITIALISER
RESTABLECER
9. HOME
ACCUEIL
INICIO
6. ON/OFF AND TIMER
OVERRIDE
MARCHE/ARRÊT ET
CONTOURNEMENT
DE LA MINUTERIE
ENCENDIDO/APAGADO
Y ANULACIÓN DEL
TEMPORIZADOR