Delta F-25 User Manual download pdf (Page 37)

32

Internal Wiring

Wire Color Code

Room T-Stat

Snap-Set

LWCO

Burner

Circulator

Relay R2

Relay R1

Transformer

Secondary T-Stat

Manual Reset

Safety Limit

Auto Reset

Safety Limit

Primary T-Stat

On-Off

Switch

C

2

1

Y

O

BL

G

T

T

T

T

B

BL

BL

BL

BL

B

B

B

B

R

V

W

G

W

Y

Y

Y

Y

P

P

V

V

V

B

C

B

B

B

B

BL

B

B

1

1

3

6

4

1

3

6

4

14

13 12

11

10

9

8

7

6

5

4

3

2

1G

G

G

B

G

G

120V Incoming

Supply Wiring

N

H

W

G

C

1

2

C

1

2

120V Field Wiring (by others)

120V Factory Wiring

24V Factory Wiring

Fig. 16: Factory Wiring Schematic

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