MP2000 AIR CONDITIONERS

Sistema di controllo a microprocessore per condizionatori d'aria • Air conditioners microprocessor control system

SENSORE DI PRESSIONE GAS REFRIGERANTE

Questi sensori sono impiegati per la misura della pressione del gas refrigerante come di seguito indicato:

•Indicazione alta pressione con sensore posizionato sulla tubazione di mandata gas.

•Indicazione bassa pressione con sensore posizionato sulla tubazione di aspirazione gas.

REFRIGERANT GAS PRESSURE SENSOR

These sensors are used for the refrigerant pressure as follows:

•High pressure indication with sensor placed on refriger- ant discharge pipe.

•Low pressure indication with sensor placed on refriger- ant suction pipe.

Misura - Bianco

Measure - White

Ø18

12

53

Fig. 70

34

Positivo - Marrone

Positive - Brown

1. Connessione 1/4 SAE femmina con premispillo per val-

1. 1/4 SAE female connection for Schrader valve.

vola Schrader.

2. Pressure sensor.

2. Sensore di pressione.

3. Outlet cable.

3. Cavo di uscita.

4. Connector.

4. Connettore.

 

DATI TECNICI

 

 

 

Sensore PA21

 

M.15

M.30

 

 

Low press.

High press.

Campo di pressione: bar

0⎟15

0⎟30

Pressione massima: bar

25

50

Segnale in uscita:

mA

4⎟20

4⎟20

Alimentazione:

Vdc

8⎟28

8⎟28

Linearità:

FS

±0,5%

±0,5%

Precisione:

%

>1,5

>1,5

NOTA: Separare quanto più possibile i percorsi dei cavi delle sonde dai cavi dei carichi induttivi e di potenza per evitare possibili disturbi elettromagnetici.

Tabella comparativa di tensione e corrente in funzione della pressione:

TECHNICAL DATA

 

 

 

Sensor PA21

 

M.15

M.30

 

 

Low press.

High press.

Pressure range:

bar

0⎟15

0⎟30

Max pressure:

bar

25

50

Output signal:

mA

4⎟20

4⎟20

Feeding:

Vdc

8⎟28

8⎟28

Linearity:

FS

±0,5%

±0,5%

Accuracy:

%

>1,5

>1,5

NOTE: Please keep sensors leads as far as possible from power cables to avoid possible electromagnetic noise.

Comparative table of current and voltage according to pressure:

PA21 M.15

 

kPa

200

250

500

750

1000

1200

PA21 M.30

 

kPa

100

500

1000

1500

2000

2400

Tensione (*) Voltage (*)

Vdc

0,25

0,33

0,46

0,6

0,73

0,84

Corrente

Current

mA

5,06

6,67

9,33

12,00

14,67

16,80

(*)Tensione misurata tra l'ingresso "B_" del microproces- sore e AVSS.

(*)Voltage measured on microprocessor "B_" input and AVSS.

138

RC GROUP - 149_ItEn.0102

Page 137 Page 139
Page 138
Image 138
Dell MP2000 manual Sensore DI Pressione GAS Refrigerante, Refrigerant GAS Pressure Sensor
Page 137 Page 139

MP2000 specifications

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