Toro DT34 User Manual download pdf

Introduction ______________________________________________________________________

The DT34 and DT54 series full-circle rotary sprinklers are designed

specifically for golf course applications.

Manufactured from durable, high-strength engineering plastic and

stainless-steel components, these 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 _______________________________________

DT34 Series

■ Radius: 52'–92' (15,9–28,0 m)

■ Flow Rate: 15–50 GPM (56,7–189,3 LPM)

■ Trajectory: Selectable 15° or 25°

■ Arc: Full Circle

■ Recommended Operating Pressure: 65–100 PSI

(4,5–6,9 Bar)

■ Minimum Pressure: 40 PSI (2,8 Bar)

■ Maximum Pressure: 150 PSI (10,3 Bar)

■ Precipitation Rate:

■

Minimum: 0.46"/hr (11,7 mm/hr)

■ Maximum: 0.63"/hr (16 mm/hr)

■ Body Height: 10" (25.4 cm)

■ Pop-Up Height: 4.1875" (10.6 cm)

■ Inlet Size: 1" NPT, BSP or ACME

■ Electric Valve-in-head Solenoid:

■ Inrush current: 0.30A @ 24 VAC, 50/60 Hz

■ Holding current: 0.20A @ 24 VAC, 50/60 Hz

■ Manual Control (Electric VIH only): On-Off-Auto

■ Check-O-Matic model checks up to 37' (11,2 m) of elevation.

■ Seven Nozzle Variations: See chart on page 2.

DT54 Series

■ Radius: 52'–100' (15,9 m–30,5 m)

■ Flow Rate: 15–62 GPM (56,8–234,7 LPM)

■ Trajectory: Selectable 15° or 25°

■ Arc: Full Circle

■ Recommended Operating Pressure: 65–100 PSI (4,5–6,9 Bar)

■ Minimum Pressure: 40 PSI (2,8 Bar)

■ Maximum Pressure: 150 PSI (10,3 Bar)

■ Precipitation Rate:

■ Minimum: 0.50"/hr (12,7 mm/hr)

■ Maximum: 0.72"/hr (18,3 mm/hr)

■ Body Height: 11" (27.9 cm)

■ Pop-Up Height: 4.1875" (10.6 cm)

■ Inlet Size: 1.5" NPT, BSP or ACME

■ Solenoid:

■ Inrush current: 0.30A @ 24 VAC, 50/60 Hz

■ Holding current: 0.20A @ 24 VAC, 50/60 Hz

■ Manual Control (Electric VIH only): On-Off-Auto

■ Check-O-Matic model checks up to 37' (11,2 m) of elevation.

■ Nine Nozzle Variations: See chart on page 2.

DT34 Electric Valve-In-Head DT54 Electric Valve-In-Head

■ Main nozzle trajectory allows for 25 and 15 degree selections

■ Full 4" (10,1 cm) pop-up clears tall grasses

■ Nozzles color-coded by radius and gallonage

■ Cap serves as an effluent water indicator

■ Variable stators

■ 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 sprinkler control, On-Off-Auto (electric models only)

■ Bowl-vented discharge (atmospheric) minimizes the

differential pressure required for regulation and ensures

positive valve closure (electric models only)

■ All internal components serviceable from the top of the

sprinkler

■ Large selection of color-coded nozzles available

■ Durable plastic and stainless-steel construction

■ Optional radius reduction screw

O F F

A U T O

O N

DT34 and DT54 Series Rotary Sprinklers

Installation & Service Instructions

Note: For preliminary use only.

1 2 3 4 5 6 ... 11 12

Summary of Contents

Page 1 - DT54 Series

Introduction ______________________________________________________________________The DT34 and DT54 series full-circle rotary sprinklers are designed

Page 2

Servicing Pilot ValveNote: Refer to Figure 10 for the following procedure.1. Make sure that the water supply to sprinkleris positively shut off and an

Page 3 - Constructing Swing Joints

Notes:11

Page 4

Page 5

2Precipitation Rate Formulas❚ Square-spaced sprinklers in pattern:GPM of full circle x 96.3(Spacing)2❚ Triangular-spaced sprinklers in pattern:GPM of

Page 6

Installation Procedure ___________________________________________________To assure maximum performance from your 800S series sprinklers, read these i

Page 7

System Start Up _________________________________________________________The following is a recommended procedure that will protect system components

Page 8 - Servicing Sprinkler Mechanism

Nozzle Trajectory Adjustment Procedure _______________________________________Note: The nozzle trajectory is factory pre-set at 25 degrees.1. Insert t

Page 9 - Servicing Main Valve

Troubleshooting _________________________________________________________ Pilot ValvePossible equipment failures with causes and corrective action ar

Page 10 - Servicing Pilot Valve

VALVE WON'T CLOSE (a) Leak in control tubing. (Hydraulic) – Isolate and repair.(b) Pilot valve leak in controller. – Confirm by observing constan

Page 11

Servicing Procedures ____________________________________________________The DT series sprinklers are designed to provide the user trouble-free operat

Page 12

Servicing Main Valve1. See WARNING above. To remove valve assembly, squeezesnap ring ears together with snap ring pliers (P/N 995-100) andremove snap