Irritrol 205T Manual

Irritrol Ikke kategoriseret 205T

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Side 1/2

205 Series Valves

Installation Instruction

The Irritrol® 205 Series 1-inch plastic valve is the irrigation industry’s time-tested

leader for dependable operation in potable and dirty water applications. With a proven

track record of success in a wide range of environments, these debris-tolerant valves

are available with ow control as an optional feature. Constructed of heavy-duty,

corrosion and UV-resistant PVC, the 205 Series features an efcient design that has

a pressure range of 10-150 psi and ow range of .25-30 GPM. A manual bleed and a

rugged, nylon-reinforced Buna-N diaphragm add value to this widely popular valve.

Features

• Heavy-duty, corrosion

and UV-resistant PVC

construction

• High-ow, low friction loss

design

• Rugged, nylon-reinforced

Buna-N diaphragm

• Full stainless steel metering

system and oating bleed

tube.

• Available in female NPT or

slip congurations

(no male pipe adapter

required)

• Optional ow control

Introduction

Friction Loss Chart (US PSI)

Model Size .25 2 5 10 15 20 30

205 1” 5.40 3.82 3.00 2.20 1.90 3.10 5.10

GPM Flow by Size

Models:

205 Series electric - 1”

Body Style:

globe with slip connection or

NPT threaded connection

Dimensions:

205: 5 1/8” H x 2 ” W x 5” L¾

Flow range: .25 - 30 GPM

Operating Pressure: 10-150 PSI

Electrical

Solenoid (standard): 24 VAC

Inrush volt-amp: 24 VAC - 9.6 VA

Inrush: 0.4 amps

Holding volt-amp: 24 VAC - 4.8 VA

Holding: 0.2 amps

Specifications

Recommendations Guidelines

Installation and Operating Instructions

Automatic in-line valve can be operated

either manually or electrically.

In areas where freezing conditions occur,

be sure to install a way to drain the

system before freezing weather arrives. To

do that, use a shut-off valve on the main

line feeding the sprinkler system. Shut off

the water supply then electrically operate

each valve for at least a few minutes

(dry run). This vents the upper cavity of

the valve and makes sure the valve is

completely drained.

Although the valve is rated to 150 psi, a

pressure regulator should be used where

local water pressure exceeds 80 psi. (See

Uniform Plumbing Code, Sec. 1007(b).)

We suggest using a pressure regulator

with any automatic valve to ensure long

life, uniform performance, and controlled

operation.

Step 1 - Flush line thoroughly before

installing valve. This valve is designed

with slip x slip inlet connections and glues

directly to 1” PVC pipe.

Step 2 - Use PVC pipe cement only. Glue

valve directly to 1” PVC pipe. No threading

is necessary.

Caution: Do not plug in the

transformer until all valves has been

connected.

Step 3 - For each location, run one

common wire that will serve all the valves

at that location. Wiring can be buried

underground under the pipes. For runs

under 800 feet, use 18 gauge direct burial

irrigation wire. For runs over 800 feet, use

14 gauge direct burial irrigation wire.

Each valve has two wires. One will

be connected as the “common” wire.

Splice the common wire from each valve

together to make a single wire. Connect it

to the timer. Be sure all splices are joined

with wire nuts. Again, make sure all wire

splices are waterproof.

The remaining wire on each valve is the

“lead” wire. Connect each lead wire to the

timer at the numbered terminals, one lead

wire per terminal.

Step 4 - Plug in your timer. Be sure you

use only a timer with a Class 2, 24V

transformer.

Step 5 - Turn water supply on.

Note: The valve will remain on until the

air in the upper cavity is bled off. To

do that, turn the manual bleed screw

counterclockwise until water squirts out.

Then either tighten the bleed screw or

electrically run the valve for about thirty

seconds. The valve will shut off within a

minute.

Notice: This is not a backow prevention

valve. In needs to be installed in

conjunction with an approved backow

prevention device. Check state and local

plumbing codes prior to installation.

• In commercial installations, it is

advantageous to install the valves in

a valve box. This enables the valve

to be easily located, accessed, and

maintained.

• Partially ll the bottom of the valve

box with clean aggregate to faciliate

drainage.

• Locate the valve box away from

structures, hardscape features (such

as sidewalks), and large planting

locations.

• Locate the valve box in shrub beds and

at right angles to structure locations.

• If valves are installed below grade

without

a valve box, access to the top

of the valve should be provided by

using a section of 4” PVC pipe and a

valve cover installed directly over each

valve.

Using pipe dope on valve

connections can cause thread

damage and failure of the valve

body.

Use only PTFE tape or pipe thread

sealant.

• The valve can be installed at any angle

without affecting operation.

• Use direct-burial wire, utilizing different

color codes for each station control

wire and one color for the common

wire to all valves.

• Waterproof wire splice connectors are

absolutely essential for proper electric

control system operation.

Follow the installation instructions

provided with the connectors for

optimum waterproof splice protection.

• Leaving a wire expansion loop at each

valve location on long-run wire lengths

is recommended.

Form Number 373-1014 Rev. A

Produkt Specifikationer

Mærke:	Irritrol
Kategori:	Ikke kategoriseret
Model:	205T

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