MP2000 AIR CONDITIONERS

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

TRASFORMATORE AMPEROMETRICO PER CORREN- TE UMIDIFICATORE - TA 20/4

Questi trasformatori sono impiegati per la misura della corrente dell'umidificatore e sono posizionati all'interno del quadro elettrico.

35

12

Fig. 71

1.Primario.

2.Secondario - alla scheda umidificatore (T1 - T2).

3.Foro per cavo di potenza.

I due cavi del trasformatore sono equivalenti in quanto non hanno polarità. Pertanto non è necessario rispettare un ordine particolare nel collegamento alla morsettiera.

I cavi del secondario devono essere collegati alla scheda umidificatore.

DATI TECNICI

 

Max corrente primaria:

20 A

Rapporto di trasformazione:

0,2 V/A

Foro centrale:

Ø 9mm

In base alla corrente nominale dell'umidificatore è neces- sario impostare il relativo tipo di TAM (trasformatore amperometerico) nei set umidificatore.

Per umidificatori con corrente nominale fino a 10A imposta- re TAM 100 e collegare direttamente i cavi del secondario alla scheda umidificatore.

Per umidificatori con corrente nominale oltre 10A imposta- re TAM 300 e collegare i cavi del secondario alla scheda umidificatore con una resistenza da 100- 0,25W come indicato in figura.

TAM 100

AMPEROMETRIC TRANSFORMER FOR HUMIDIFIER CURRENT - TA 20/4

These transformers are used for the humidifier current measurement and they are placed inside the electric box.

25

40

3

1.Primary.

2.Secondary - to humidifier card (T1 - T2).

3.Hole for power wire.

The two cables of the transformer do not have any polarity so you can link any of them to the terminals. For this reason there is no need to follow a special way for terminals connection. The two cables must be connected to the humidifier elec- tronic card.

TECHNICAL DATA

 

Max primary current:

20 A

Transformation ratio:

0,2 V/A

Central hole:

Ø 9mm

According to the humidifier nominal current it is necessary to set the TAM type (amperometric transformer) on humidi- fier sets.

For humidifier with nominal current up to 10A select TAM 100 and directly connects the secondary cables to the humidifier card.

For humidifier with nominal current over 10A select TAM 300 and connects the secondary cables to the humidifier card with a 100- 0,25W resistance as showing.

TAM 300

J3

J6

T1

B8

 

T2

G0

B7

 

J2

J5

C1

G

C2

G0

L1

O1

L2

O2

J1

J4

Fig. 72

T1

100T2

0,25W

C1

C2

L1

L2

J3

J6

J2

J5

J1

J4

B8

G0

B7

G

G0

O1

O2

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

RC GROUP - 149_ItEn.0102

NOTE: Please keep transformer leads as far as possi- ble from power cables to avoid possible electromag- netic noise.

139

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Image 139
Dell MP2000 manual Amperometric Transformer for Humidifier Current TA 20/4, RC Group 149ItEn.0102 139

MP2000 specifications

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