TESTO 570 User manual

testo 570 · Digital manifold
Instruction manual
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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
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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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