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Orbit 91899 - User Manual

Orbit 91899
76 pages
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PN 94894-24 rA
MODELS / MODÈLES / MODELOS
MODELLI / MODELE:
57894, 57896, 57899, 57900,
27894, 27896, 27892, 27999,
91894, 91896, 91892, 91899
Users ManUal
ManUel de l’UtilisateUr
ManUal del UsUario
ManUale d’Uso
instrUKCJa obsłUgi
RESET
PROGRAM
RAIN DELAY

Questions and Answers

  • N
    Nathan PearsonAug 7, 2025
    Why do stations turn on when they are not supposed to on my Orbit 91899?
    • J
      Jim HansonAug 7, 2025
      If your Orbit Timer's stations turn on at unexpected times, it could be due to several reasons. Firstly, high water pressure might be the cause, so try reducing it. Secondly, verify that you haven't programmed more than one start time. Finally, double-check that your AM/PM settings are correct.
  • M
    msnyderAug 11, 2025
    What to do if one station is stuck on and will not shut off on my Orbit 91899?
    • T
      Tina MooreAug 12, 2025
      If one station on your Orbit Timer is stuck on and won't shut off, it could be due to a faulty valve, in which case you should replace it. Alternatively, there might be dirt or debris stuck in the valve, so clean it thoroughly. Lastly, the valve diaphragm might be faulty, and you'll need to replace it.
  • S
    Sean GarzaAug 16, 2025
    Why do all valves not turn on with my Orbit 91899?
    • E
      Eric ParkerAug 17, 2025
      If all valves on your Orbit Timer fail to activate, the issue might stem from a defective or disconnected transformer. Ensure the transformer is properly connected. If it is, and the valves still don't turn on, consider replacing the transformer. Also, incorrect programming can cause this issue, so review and correct your settings.
  • E
    echandlerAug 22, 2025
    How to troubleshoot one or more valves that do not turn on with Orbit 91899?
    • A
      Alexis MedinaAug 22, 2025
      If one or more valves on your Orbit Timer are not turning on, consider the following: 1. Check the solenoid connection. 2. Inspect the wire for any damage. 3. Adjust the flow control stem. 4. Review and correct the programming.
  • B
    byrdjustinAug 26, 2025
    What to do if valves continue to turn on and off when they are not programmed on Orbit 91899 Timer?
    • P
      Paula GouldAug 27, 2025
      If your Orbit Timer valves are continuously turning on and off unexpectedly, it could be due to overlapping schedules caused by multiple start times. Correct any overlapping start times in your programming. Another potential cause is excessive water pressure, so try reducing it.
  • L
    Leslie FreemanAug 31, 2025
    How to fix an Orbit Timer that will not power up?
    • B
      billgardnerSep 1, 2025
      If your Orbit Timer fails to power up, the most likely cause is that the transformer isn't properly plugged into a working outlet. Make sure the transformer is securely plugged into an outlet that you know is functional.

Summary

Get to Know Your Timer

Lock and latch

Secures the timer's enclosure.

Weather Resistant Cover

Protects timer components from the environment.

Dial

Main control for navigating and setting timer functions.

Digital Display

Shows time, program status, and setting information.

Battery Compartment

Houses the backup battery for memory retention.

Swing Door Panel

Provides access to the control panel.

Timer Operation Controls

Buttons

Primary input controls for programming and operation.

Dial Positions

Specific settings on the dial for timer functions.

Installation

Required Tools

Tools necessary for the installation process.

Select a Location

Guidance for choosing an optimal site for the timer.

Mount the Timer

Instructions for securely attaching the timer to a surface.

Connect Valve Wires

Procedure for wiring sprinkler valves to the timer.

Connect Electrical Power

Steps for safely connecting the timer to a power source.

Activate Battery

Instructions for enabling the backup battery.

Programming with Easy-Set Logic

Multiple Programs Overview

Explanation of using multiple programs for varied watering needs.

Set Clock

Procedure to set the current time on the timer.

Set Date

Procedure to set the current date (Year, Month, Day).

Start Time

Setting the desired time for watering to begin.

Run Time

Setting the duration for each station's watering cycle.

How Often

Configuring watering frequency: days of week, intervals, or odd/even days.

Additional Features

Rain Delay

Temporarily pauses watering for 24, 48, or 72 hours.

Water Budgeting

Adjusts watering duration by percentage for seasonal needs.

Manual Watering

Allows manual watering of specific stations without altering programs.

Rain Sensor Connection

Wiring instructions for connecting a rain sensor.

Rain Sensor Bypass

Method to temporarily disable the rain sensor for maintenance.

Pump Start & Master Valve

Configuration for pump start relays or master valves.

Battery Replacement

Procedure for replacing the timer's backup battery.

Reference Glossary

Start Time

The time the program begins watering the first programmed station.

Valve

Supplies water to a specific station or area.

Master Valve

Controls water flow to the entire irrigation system.

Multiple Start Times

Feature to operate programs multiple times on the same day.

Overlapping Programs

When a Start Time is set before a previous program has completed.

Program (A, B, OR C)

Individual programs that operate independently or are stacked.

Rain Delay

Postpones scheduled watering for a specific duration.

Solenoid

Electrical part of a valve that opens or closes it.

Sprinkler Timer

Device that instructs station valves to operate.

Station

Group of sprinklers operated by a single valve.

Watering Budgeting

Adjusts overall watering as a percentage of total duration.

Troubleshooting Guide

Valves Not Turning On

Issues with one or more valves failing to activate.

Stations Activating Unexpectedly

Problems with stations turning on when not intended.

Station Stuck On

A single station remains on and will not shut off.

All Valves Not Turning On

Issues where none of the valves are operating.

Timer Power Issues

The timer fails to receive power and turn on.

Unintended Valve Cycling

Valves turn on/off unexpectedly when not programmed.

Support and Safety Information

Help and Support

Contact information and resources for assistance.

Product Listings & Approvals

Information on safety certifications and compliance.

Trademark Notice

Details about registered trademarks associated with the product.

Warranty Statement

Information on the product's warranty coverage and limitations.

Operational Warnings & Precautions

Safety guidelines, FCC compliance, and operational cautions.

Orbit 91899 Specifications

General IconGeneral
Countdown TimerYes
Maximum Countdown Time24 hours
Number of Outlets1
Voltage120V
Frequency60 Hz
MaterialPlastic
Maximum Load15A

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