Intermatic ST01A User Manual

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Energy Controls
ST01 Series
ST01 Series
Digital In-Wall Timers
The ST01 Series In-Wall Timers are easy-to-program, 4-button
programmable timers that allow up to 40 event settings per week. The
timers have an Astronomic feature for sunrise and sunset switching.
Features
• Easy to program for 24-Hour or 7-Day load control
• Auto Daylight Saving Time adjustment
• CFL/LED compatible
• Astronomic feature provides sunset ON and sunrise OFF settings or
combine Astronomic features with specic timed ON/OFF
programming
• Low battery indicator
• Continuously displays time of day, mode and load status
• CR2 lithium battery provides up to 2+ years of time keeping
without AC power
• Replaces single-pole or 3-way switches in a variety of applications
• Random setting feature available to avoid predictable time
controlled look
• User program selections are stored in non-volatile memory
• Controls all voltage/frequencies with no adjustments required
• No neutral required
• Manual override feature
Not for use with sunlamps, saunas, or loads that could cause
personal injury if timed incorrectly.
Ratings
Switch Ratings:
Resistive: 15 Amp, 120-277 VAC
Tungsten: 15 Amp, 120 VAC
6 Amp, 208-277 VAC
Ballast (magnetic): 8 Amp, 120 VAC
4 Amp, 208-277 VAC
Motor: 1 HP, 120 VAC
2 HP, 240 VAC
DC Loads: 4 Amp, 12 VDC
2 Amp, 28 VDC
Dimenisons: 2.75" H x 1.75" W x 1.46" D
Warranty: Limited 1 year
ST01A
Model Number Switch Manual Override Neutral Required Battery Backup Color
ST01 Single-Pole/3-Way* Yes No Yes White
ST01A Single-Pole/3-Way* Yes No Yes Almond
*3-way applications up to 100 feet
In-Wall Timers
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Intermatic ST01A Specifications

General

Voltage	120 VAC
Amperage	15 A
Programmable	Yes
Display	LCD
Number of Programs	7
Battery Backup	Yes
Minimum ON/OFF Time	1 Minute
Type	Digital Timer
Mounting Type	Wall

Summary

ST01 Series Digital In-Wall Timers Overview

Features of ST01 Series Timers

Details key functionalities like 24/7 programming, DST adjustment, CFL/LED compatibility, and manual override.

Ratings and Specifications

Lists electrical ratings for resistive, tungsten, ballast, motor, and DC loads, along with dimensions.

Timer Specifications and Diagrams

Detailed Timer Specification

Provides in-depth technical details on event settings, display, override controls, operating temperature, and battery.

Wiring Diagrams for Installation

Illustrates typical wiring setups for single-pole and three-way switch configurations.

Product Description and Operation

Product Description and Compatibility

Highlights versatility, ease of installation, 24/7 programming, and compatibility with various load types.

Timer Interface and Controls

Explains the digital display and buttons for mode selection, time adjustment, and event programming.

Safety Precautions for Installation

Essential warnings regarding electrical shock, wire usage, battery handling, and controlling hazardous loads.

Pre-Installation Battery Setup

Guides on installing the CR2 battery to initialize the timer display before wall mounting.

Programming Guide: Initial Setup

Step-by-step instructions for setting the clock, date, DST, and Astronomic zone settings.

Programming Guide: Events

Details on clearing existing settings and programming new ON/OFF events, including Astronomic and fixed times.

Installation, Testing, and Troubleshooting

Step-by-Step Installation Process

Covers wiring for single-pole and three-way setups, securing the timer, and final wall plate installation.

Timer Testing Procedures

Instructions for verifying timer functionality by testing the ON/OFF clicks and controlled load operation.

Troubleshooting Common Issues

Addresses problems like blank displays, no clicks, incorrect switching times, and wiring conflicts.

Limited Warranty Information

Provides details on the one-year warranty and how to obtain service or information from Intermatic.