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Orbit 94881 User Manual

Orbit 94881
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PN 57880-24 Rev B
MODELS / MODÈLES / MODELOS:
57880, 57881, 57882, 57883, 27780, 27781, 27782, 27783,
91880, 91881, 91882, 91883, 94880, 94881, 94882, 94883
Users ManUal
ManUel de l’UtilisateUr
ManUal del UsUario
www.orbitonline.com
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08WTM005637 57880-24 rB.indd 1 11/15/07 3:34:25 PM
Question and Answer IconNeed help?

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Orbit 94881 Specifications

General IconGeneral
Delay StartYes
Manual WateringYes
TypeDigital
Number of Outlets1
Watering Duration1 minute to 4 hours

Summary

Section 1: Introduction

Programming Features Overview

Discusses timer features like dual programs, fail-safe operation, water budgeting, and start-time stacking.

Section 2: Getting Started

Replacing the Timer Battery

Instructions for replacing the CR2032 lithium battery to retain program memory.

Resetting the Sprinkler Timer

Procedure to press the recessed RESET button for initial programming.

User Controls and Display

Setting the Time of Day and Date

Step-by-step guide to setting the current time and date on the timer display.

Determine a Watering Plan

Program A Watering Options

Details on using Program A to select watering days or every second day.

Program B Watering Options

Details on using Program B for interval or odd/even day watering schedules.

Section 3: Programming Guide

Program A: Day(s) of Week Setup

Instructions for setting up watering schedules based on specific days of the week.

Setting Program Start Times

How to input the initial start times for watering programs.

Setting Station Watering Durations

Steps to define how long each station will water.

Program B: Interval and Odd/Even Days

Setting Program B Start Times

How to input the initial start times for Program B.

Section 4: Automatic Operation

Ready for Automatic Operation

Steps to prepare the timer for automatic watering after programming is complete.

Timer Operations and Key Features

Station Advance and Timer Off

Instructions for manually advancing watering stations or turning the timer off.

Rain Delay Activation

How to activate a temporary delay (24, 48, 72 hrs) for scheduled watering.

Water Budgeting & Multiple Start Times

Features for adjusting watering duration percentages and setting multiple daily start times.

Section 5: Manual Watering

Manually Run Programs A and B

How to run all stations from both Program A and B sequentially.

Manually Run Program A or B Only

How to manually run stations from only Program A or only Program B.

Manually Run Individual Stations

How to manually set specific watering durations for individual stations.

Section 6: Sprinkler Timer Installation

Installation Steps Overview

An overview of the five main steps for installing the sprinkler timer.

Selecting Installation Location

Criteria for choosing a suitable location for the sprinkler timer.

Mounting the Sprinkler Timer

Instructions on how to physically mount the timer to a wall.

Installing Batteries

Guidance on installing the battery for memory retention during power loss.

Wiring Electric Valves

Steps for connecting the sprinkler timer to the irrigation valves.

Connecting Valve Wires to Timer

Detailed instructions for connecting valve wires to the timer terminals.

Connecting Electrical Power

Instructions for connecting the timer to an AC power source.

Permanent Wiring Installation Methods

Using a Junction Box for Wiring

Guidance on using a junction box for permanent electrical connections.

Appendix A: Sensor and Valve Connections

Connecting a Rain Sensor

Specific steps for wiring a rain sensor to the timer.

Rain Sensor Bypass Switch Operation

Explanation of the sensor override switch for maintenance.

Pump Start & Master Valve Connections

How to connect pump start relays or master valves to the timer.

Glossary of Terms

Fuse Information

Details about the fuse type and rating for circuit protection.

Troubleshooting Guide

Common Problems and Possible Causes

Lists common issues like valves not turning on and their potential causes.

Help and Technical Support

Contact information for Orbit Technical Service and product support.

Warranty and Product Listings

Details regarding product warranty, listings, and trademarks.

Regulatory and Compliance Information

FCC Rules and Warnings

Information on FCC compliance, warnings against modifications, and interference.

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