W.Tech RAA Series Instrukcja Użytkownika Pobierz pdf (Strona 25)

25

25

Key

B1 Return air temperature

sensor (QAH11.1)

B2 Changeover sensor

(QAH11.1)

E1 Electric heater

M1 Three-speed fan

N Neutral

N1 Room temperature

controller

S1 External operating mode

changeover switch

SP Operating voltage 24 Vac

positive

SN Operating voltage 24 Vac

neutral

Y1 599 Series zone valve

Y2 599 Series zone valve

(cooling mode)

RDF… Series Wiring Diagrams

TH0899R1

S1

M1

Y1

III

III

SN

SP

SN

1

3

7

8

D1 GND

42101112

N1

9

B2B1

5

S1

B2

B1

M1

Y1

I

II

III

SN

SP

SN

1

39 8 7 D1GND

42101112

N1

E1

65

TH0901R1

TH0897R1

S1 B1

M1

Y

1

I

II

III

SN

SP

SN

1

39 8 D1 GND

42101112

N1

Y

2

6

5

TH0896R1

S1

B2

M1

Y1

I

II

III

SN

SP

SN

5

723D1GND

16

N1

101112

B1

4

TH0895R1

S1

M1

Y1

I

II

III

SN

SP

SN

1

3D1GND

4101112

N1

62

B2

78

B1

9

RDF10U RDF20U RDF30U

RDF50.1U RDF60.1U

Fan Coil Unit

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