TESTO 0554 6440 Bedienungsanleitung

Inhaltsverzeichnis

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0554 6440 · Flow direction switch

Instruction manual

2

1 Contents

3

1Contents

1Contents .............................................................................................3

2Safety and the environment ..............................................................4

2.1. About this document ..................................................................4

2.2. Ensure safety .............................................................................5

2.3. Protecting the environment ........................................................5

3Specifications.....................................................................................5

3.1. Use ............................................................................................5

3.2. Technical data............................................................................6

4Product description ...........................................................................8

5Using the product ..............................................................................8

6Maintaining the product ..................................................................10

2 Safety and the environment

4

2Safety and the environment

2.1. About this document

Use

> Please read this documentation through carefully and

familiarize yourself with the product before putting it to use.

Pay particular attention to the safety instructions and

warning advice in order to prevent injuries and damage to

the products.

> Keep this document to hand so that you can refer to it when

necessary.

> Hand this documentation on to any subsequent users of the

product.

Symbols and writing standards

Representation Explanation

Warning advice, risk level according to the

signal word:

Warning! Serious physical injury may occur.

Caution! Slight physical injury or damage to

the equipment may occur.

> Implement the specified precautionary

measures.

Note: Basic or further information.

1....

2....

Action: more steps, the sequence must be

followed.

> ... Action: a step or an optional step.

- ... Result of an action.

3 Specifications

5

2.2. Ensure safety

> Do not operate the instrument if there are signs of damage

at the housing, mains unit or feed lines.

> Only operate the product properly, for its intended purpose

and within the parameters specified in the technical data. Do

not use any force.

> The objects to be measured or the measurement

environment may also pose risks: Note the safety

regulations valid in your area when performing the

measurements.

> Do not store the product together with solvents. Do not use

any desiccants.

> Carry out only the maintenance and repair work on this

instrument that is described in the documentation. Follow

the prescribed steps exactly. Use only original spare parts

from Testo.

2.3. Protecting the environment

> At the end of its useful life, send the product to the separate

collection for electric and electronic devices (observe local

regulations) or return the product to Testo for disposal.

3Specifications

3.1. Use

The compact flow direction switch is ideal for controlling the flow

with smaller pipe sizes and higher system pressures. The

patented setting of the switch allows a prompt changeover

between the normally open and normally closed contact

position.

The vane has a detachable, coated shortening template. This

shows where to shorten for pipe sizes from 1/2" to 2". An index

arrow on the hexagon shows the correct direction of flow.

3 Specifications

6

3.2. Technical data

Characteristic Values

Temperature limit

for application

maximum 90 °C

Maximum pressure 70 bar

Pipe connection 1/2" NPT external thread

Switch type Hermetically shielded single-pin reed

switch

Can be set to normally open or normally

closed contact position in application

range

Electrical data 1.5 A at 24 VDC, resistive load,

1 A at voltage < 60 VDC

0.5 A at 25 VAC

Connection via terminal block in housing

Switch body Brass

Reed switch

housing

Polypropylene

Vane 301 stainless steel, 11 x 0.51 mm (W x H)

Parts that make

contact with medium

301, 302 and 316 stainless steel, ceramic

8 magnet, body made of brass

Weight 28 g without housing

Table of ranges Nm3/h

N.O.

(normally open)

N.C.

(normally closed)

ø of

pipe

Mark-

ing

activated deactivated activated deactivated

1/2“ L 17.5 15 17.3 15.6

3/4“ J 22.1 19.7 21.9 19.7

1“ H 32.6 29.9 32.1 29.9

1 1/4“ E 42.1 37.7 41.6 38.2

1 1/2“ C 56.8 53 56.1 52

2“ Full 85.3 82.2 85.3 81.1

3 Specifications

7

Table of ranges l/min

N.O.

(normally open)

N.C.

(normally closed)

ø of

pipe

Mark-

ing

activated deactivated activated deactivated

1/2“ L 291.7 250 288 260

3/4“ J 368.3 328 365 328

1“ H 543.3 498 535 498

1 1/4“ E 701.7 628 693 637

1 1/2“ C 946.7 883 935 867

2“ Full 1422 1370 1422 1352

Table of ranges SCFM (standard cubic feet/minute)

N.O.

(normally open)

N.C.

(normally closed)

ø of

pipe

Mark-

ing

activated deactivated activated deactivated

1/2“ L 10.3 8.8 10.2 9.2

3/4“ J 13 11.6 12.9 11.6

1“ H 19.2 17.6 18.9 17.6

1 1/4“ E 24.8 22.2 24.5 22.5

1 1/2“ C 33.4 31.2 33 30.6

2“ Full 50.2 48.4 50.2 47.7

Dimensions

4 Using the product

8

4Product description

Overview

1Paddle

21/2" NPT connecting thread

37/8" hexagon

4 Connecting housing

5Cable coupling

6 Reed switch

7 Shortening template

5Using the product

Installation

Caution! Mechanical shock or vibration may lead to

permanent damage of the reed switch.

> Handle the instrument carefully.

1.Open packaging and remove the packing material from the

flow direction switch.

2.Shorten the paddle at the marked positions according to the

diameter of the pipeline, see Technical data, Page 6.

3.Seal off NPT connecting thread using PTFE tape and install

the flow direction switch in the pipe system.

The arrow on the hexagon must point in the flow direction.

5 Maintaining the product

9

4.Perform electrical connection via the terminal block in the

housing.

Caution! Inductive or capacitive loads or loads due to

lamps may lead to permanent damage to the reed

switch.

• Inductive loads may be generated by

electromagenetic relays, electromagnetic valves and

other components.

• Capacitive loads may be generated by capacitors

that are connected in series or in parallel with the

reed switch. Capacities may be generated by this in

a closed loop with a cable length of 50 m or more.

• Loads due to lamps are produced by activating lamp

components that have a low cold resistance.

• Exceeding the maximum switching capacity may

lead to damages. This includes voltages that are

larger than the given maximum switching voltages.

Setting the switching mechanism

1NC: closed without flow (normally closed contact)

2NO: open without flow (normally open contact)

The NC setting opens the contact and the NO setting closes it if

the increasing flow activates the reed switch.

1.Loosen both screws on the upper cap of the reed switch. Do

not remove screws!

2.Move the reed switch so that the selected switching

mechanism is visible (NO or NC).

3.Retighten screws on the upper cap.

6 Maintaining the product

10

6Maintaining the product

Check function of relay

It is recommended that you check the function of the relay on a

regular basis:

1.Loosen both screws on the upper cap of the reed switch. Do

not remove screws!

2.Move reed switch.

- The relay must report a switch process.

3.Slide reed switch to starting position.

4.Retighten screws on the upper cap.