Toro 855S - Manual
A user manual for Toro’s 835S and 855S Series rotary sprinklers–designed for golf course irrigation–covers their key operational features, including adjustable arc and trajectory, color-coded nozzles, and compatibility with both electric and hydraulic controls. The document also provides performance specifications such as flow rates, pressure requirements, and precipitation calculations, alongside installation guidance for wiring, tubing routing, and system elevation considerations. Troubleshooting sections address common issues like pilot valve malfunctions, mechanical failures, or control system errors, ensuring maintenance of reliable irrigation systems.
Table of Contents:
- Page 1 – Installation and Performance Specifications for Rotary Sprinklers
- Page 2 – Nozzle Performance and Application Data
- Page 3 – Installation Procedure for Electric Sprinkler Control Wiring
- Page 4 – Hydraulic System Setup and Safety
- Page 5 – Arc Adjustment Procedure
- Page 6 – Pilot Valve Operation and Troubleshooting
- Page 7 – Main Valve Troubleshooting
- Page 8 – Sprinkler Mechanism Service Procedures
- Page 9 – Main Valve Assembly Servicing
- Page 10 – Pilot Valve Servicing and Flushing
Introduction _____________________________________________________________________
The 835S and 855S series full-circle/adjustable part-circle rotary sprinklers are
designed specifically for golf course applications.
Manufactured from durable, high-strength engineering plastic and stainless-steel
components, the 800S series sprinklers incorporate many innovative and time-
proven features for lasting, maintenance-free operation.
Prior to installing the sprinkler, read through the recommended installation and
start-up procedures. Please observe all
WARNINGS
and
CAUTIONS
when
installing and operating this equipment.
Features ________________________________________________________________________
Specifications and Performance/Application Data _____________________________________
835S and 855S Series Rotary Sprinklers
Installation & Service Instructions
A U
T O
O N
835S Electric VIH
855S Electric VIH
Full-circle (360°) with uni-directional clockwise rotation /
adjustable part-circle (40°– 330°) configuration
Arc adjustment from riser band in 5° increments
Ratcheting riser in 2° increments
Adjustable trajectory main nozzle from 7°–30° in 1° increments
Full 4" (10.16 cm) pop-up clears tall grasses
Color-coded nozzles by radius and gallonage
Cap serves as an effluent water indicator
Variable stator ensures 3-minute rotation
Selectable pressure regulation settings of 50 psi (3.4 bar), 65
psi (4.5 bar), 80 psi (5.5 bar) or 100 psi (6.9 bar) to ensure
consistently accurate nozzle performance regardless of
elevation (Electric models only)
Three body activation types available: Electric VIH, Normally
Open Hydraulic VIH, and Check-O-Matic
Three body thread types available: NPT, BSP and ACME
Manual control at the sprinkler, On-Off-Auto (Electric only)
All internal components serviceable from the top of the
sprinkler
Large selection of color-coded nozzles available
Durable plastic and stainless-steel construction
Spike-Guard
TM
solenoid for superior surge protection and
lower operating amperage
Constant velocity drive
Back nozzle capable
835S Series
Radius: 52'–92' @ 25° trajectory
Flow Rate: 13.7–45.7 GPM
Trajectory: adjustable from 7°–30°
Arc: full circle / adjustable part circle (40°–330°)
Recommended operating pressure: 65 psi (4.5 bar)
Minimum pressure: 40 psi (2.7 bar)
Maximum pressure: 150 psi (10.3 bar)
Precipitation rate:
Minimum: 0.56"/hr
Maximum: 0.60"/hr
1" NPT, BSP or ACME female thread inlet
Spike Guard
TM
Solenoid:
Inrush current: 0.12A @ 24 V a.c.
Holding current: 0.10A @ 24 V a.c.
Manual control: On-Off-Auto (Elec. only)
Check-O-Matic model checks up 37' (11.27 m) to of elevation.
Color-coded nozzles (see nozzle chart, p. 2)
855S Series
Radius: 52'–100' @ 25° trajectory
Flow rate: 16–62 GPM
Trajectory: adjustable from 7°–30°
Arc: full circle / adjustable part circle (40°–330°)
Recommended operating pressure: 80 psi (5.5 bar)
Minimum pressure: 40 psi (2.7 bar)
Maximum pressure: 150 psi (10.3 bar)
Precipitation rate:
Minimum: 0.57"/hr
Maximum: 0.68"/hr
1.5" NPT, BSP or ACME female thread inlet
Spike Guard
TM
Solenoid:
Inrush current: 0.12A @ 24 V a.c.
Holding current: 0.10A @ 24 V a.c.
Manual control: On-Off-Auto (Elec. only)
Check-O-Matic model checks up to 37' (11.27 m) of elevation.
Color-coded nozzles (see nozzle chart, p. 2)
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About this manual
- Brand
- Toro
- Model
- 855S
- Document type
- Manual
- Language(s)
- English
- Pages
- 10
- File size
- 2.3 MB
- Format
Summary
Installation and service instructions for rotary sprinklers, detailing features like adjustable arc, color-coded nozzles, body thread types, and performance data including operating pressure, flow rate, radius, and precipitation rates.
Performance charts and application data for the 835S and 855S series, detailing nozzle performance at various pressures, color coding, spacing guidelines for different patterns, and formulas for calculating precipitation rates.
Procedure for installing 800S series sprinklers, constructing swing joints, connecting control wires for electric models, and a wire sizing chart based on voltage, AWG, and sprinkler count.
