TESTO 570 Manual de usuario

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testo 570 · Digital manifold

Instruction manual

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2

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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 ..........................................................................................6

3.1. Use ..................................................................................................6

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

4Product description.................................................................................9

4.1. Overview..........................................................................................9

5First steps ..............................................................................................11

6Using the product ..................................................................................15

6.1. Preparing for measurement ...........................................................15

6.1.1. Connecting temperature probe, Testo 552 and accessories ..........................15

6.1.2. Switching the instrument on...........................................................................17

6.1.3. Choosing the measuring mode ......................................................................18

6.2. Performing the measurement ........................................................19

6.2.1. Measuring......................................................................................................19

6.2.2. Tightness test / pressure drop test.................................................................20

6.2.3. Evacuation / vacuum display..........................................................................21

6.2.4. Vacuum measurement...................................................................................21

6.2.5. Charging ........................................................................................................22

6.2.6. Emptying........................................................................................................22

6.2.7. Pressure/Compressor ....................................................................................23

6.2.8. Current...........................................................................................................23

6.2.9. Efficiency calculation......................................................................................23

6.3. Saving measurement values .........................................................23

6.4. Printing measurement values ........................................................25

7Maintaining the product ........................................................................26

8Tips and assistance...............................................................................28

8.1. Questions and answers .................................................................28

8.2. Measurement parameters .............................................................28

8.3. Error reports ..................................................................................29

8.4. Accessories and spare parts .........................................................29

9Appendix ................................................................................................30

9.1. Basis of calculation COP ...............................................................30

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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.

Menu Elements of the instrument, the instrument

display or the program interface.

[OK] Control keys of the instrument or buttons of

the program interface.

... | ... Functions/paths within a menu.

“...” Example entries

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2 Safety and the environment

5

2.2. Ensure safety

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

the housing, mains unit or feed lines.

> Do not perform contact measurements on non-insulated, live

parts.

> 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.

> 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.

> If the measuring instrument falls or another comparable

mechanical load occurs, the pipe sections of the refrigerant

hoses may break. The valve positioners may also be damaged,

whereby further damage to the interior of the measuring

instrument may occur that cannot be identified from the outside.

The refrigerant hoses must therefore be replaced with new,

undamaged refrigerant hoses every time the measuring

instrument falls or following any other comparable mechanical

load. Send the measuring instrument to Testo Customer

Service for a technical check for your own safety.

> Electrostatic charging can destroy the instrument. For online

measurement (instrument connected to PC/laptop) or when

using the mains unit in particular, you should therefore integrate

all components (system, valve manifold of the manifold gauge,

refrigerant bottle, etc.) into the equipotential bonding (earthing

system) prior to measurement. Please see the safety

instructions for the system and the refrigerant used.

2.3. Protecting the environment

> Dispose of faulty rechargeable batteries/spent batteries in

accordance with the valid legal specifications.

> 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.

> Refrigerant gases can harm the environment. Please note the

applicable environmental regulations.

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3 Specifications

6

3Specifications

3.1. Use

The testo 570 is a digital manifold for commissioning, maintenance

and service work on refrigeration systems and heat pumps. It can

be used for fault diagnose and online measurements on

refrigeration systems and heat pumps. The testo 570 is only to be

used by qualified expert personnel.

With its functions the testo 570 replaces mechanical manifolds,

thermometers and pressure/temperature charts. Pressures and

temperatures can be applied, adapted, tested and monitored.

Its scope of functions can be considerably extended by means of

extensive, separately available accessories, e.g. various

temperature sensors, clamp probe, oil pressure probe,

PC software.

The testo 570 is compatible with most of the non-corrosive

refrigerants, water and glycol. The testo 570 is not compatible with

ammoniac refrigerants.

Then product must not be used in explosive environments!

3.2. Technical data

Feature Values

Measurement

parameters

Pressure: kPa/MPa/bar/psi

Temperature: °C / °F / K

Vacuum: hPa / mbar/ Torr / inH2O / Micron /

inHg / Pa

Current: A1

Measuring sensor Pressure: 2 x pressure sensor

Temperature: 3 x NTC

Measuring cycle 0.75 s

Connections Pressure connections: 3 x 7/16" UNF+ 1x

5/8“

NTC measurement

Interfaces 3x Mini-DIN, 1x Mini-USB, 1 x IR

1via clamp probe (optional accessory)

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3 Specifications

7

Feature Values

Measurement

ranges

Pressure measurement range

HP/LP: -100…5000 kPa / -0.1…5 Mpa

/ -1…50 bar (rel) / -14.7…725 psi

Temperature measurement

range: -50…+150 °C / -58…302 °F

Measurement range vacuum (rel): -1…0 bar

/ -14.7…0 psi

Overload 52 bar, 5200 kPa, 5.2 Mpa, 754 psi

Resolution Resolution pressure: 0.01 bar / 0.1 psi /

1 kPa / 0.001 Mpa

Resolution temperature: 0.1 °C / 0.1 °F /

0.1 K

Vacuum resolution: 1 hPa / 1 mbar / 0.5 Torr

/ 0.5 inH2O / 0.02 inHg / 500 Micron / 100 Pa

Accuracy (nominal

temperature

22 °C/71.6°F)

Pressure: ±0.5% of final value (±1 digit)

Temperature (-40…302 °F/-40…+150 °C):

±0.5 °C (±1 Digit), ±0.9 °F (±1 digit), ±0.5 K

(±1 digit)

Vacuum: 1% of final value (±1 digit)

No. of refrigerants 40

Selectable

refrigerants

No refrigerant, R12, R22, R123, R134a,

R227, R290, R401A, R401B, R402A, R402B,

R404A, R406A, R407A, R407C, R408A,

R409A, R410A, R411A, R413A, R414B,

R416A, R417A, R420A, R421A, R421B,

R422A, R422B, R422D, R424A, R427A,

R434A, R437A, R438A, R502, R503, R507,

R600, R600a, R744 (only in the permissible

measurement range up to 50 bar), R1234yf

Further refrigerants can be

downloaded under www.testo.com.

Memory capacity 10000 single measurements or 50 series

measurements (each with a measuring cycle

of 2 s, measurement period 100 h)

Measuring cycle 2 s...24 h (freely selectable)

Measurable media Measurable media: all media that are stored

in the testo 570. Not measurable: ammonia

(R717) and other refrigerants which contain

ammonia

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3 Specifications

8

Feature Values

Ambient conditions Operating temperature: -20 to 50 °C / -4 to

122°F

Storage temperature: -20...60 °C / -4...140 °F

Humidity in area of use: 10 ... 90 %RH

Housing Material: ABS / PA / TPE

Dimensions approx. 280 x 135 x 75 mm

Weight: approx. 1200 g (without batteries)

IP-class 42 (position in use hanging down)

Power supply Current source: 4 x 1.5 V rechargeable/non-

rechargeable batteries

Type AA / Mignon / LR6

Battery life: > 40h (display light off)

Display Type: Illuminated LCD

Response time: 0.5 s

Directives,

standards and tests

EC Directive: 2004/108/EC

Warranty Duration: 2 years

Terms of warranty: see website

www.testo.com/warranty

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4 Product description

9

4Product description

4.1. Overview

Display and control elements

1Sensor socket Mini-DIN for NTC-temperature sensor, with

socket cover.

2Suspension attachment, foldable (backside).

3 Display Instrument status icons:

Icon Meaning

Battery capacity: >75% / >50% / >25% / <10%

no battery

indication

Instrument is operated with power supply unit.

The measurement value is saved; in case of a

single measurement the inner circle flashes

once, with serial measurements the circle

flashes with each save procedure.

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4 Product description

10

4Battery compartment. Charging rechargeable batteries inside

the instrument is not possible!

5Multi-function keys: The relevant function appears in the

display.

6 Control keys:

Key Function

[ ] Save or print measurement data.

[ESC] Exit the menu option.

[▲] Up-key: Change display view.

[▼] Down-key: Change display view.

[p=0] Zero the pressure sensor in the range +1 to

-1.3 bar.

[] Switch instrument on / off; short actuation

during operation: switches illumination on /

off.

7Inspection glass for refrigerant flow.

84 x valve actuators.

94 x hose brackets for refrigerant hoses.

10 Connection 7/16“ UNF, brass.

High pressure, for refrigerant hoses with quick release screw

fitting, passage for valve actuator lockable.

11 Connection 5/8“ UNF, brass, for vacuum pump.

12 Connection 7/16“ UNF, brass, for e.g. refrigerant cylinders, with

screw cap.

13 Connection 7/16“ UNF, brass.

Low pressure for refrigerant hoses with quick release screw

fitting, passage for valve actuator lockable.

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