PHB 2026 Vol-1

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A-28

•결선도

STANDBY/ BURNER INPUT (24Vdc) 절전/버너입력 (24Vdc) (-) (+) |

14

MIN/ BB VALVE

CLOSE

OPEN

MAX

1 18 17 18 18 20 21 22 23 24 25 28 'ZI 28 28 30 ®0000000000000@@® 1

2

3

3

4

1 ®ooooooooooooooo® 1 2 3 4 5 8 7 8 8 1011 12131415 __ ,_ _ 』1 ':[ ___ \-「-＿討 __ LL __ LL土亨』_〕 1 13 12 13 13

M 0.5 A (semi-delay)

11

(-) (+) (-) (+)

( -) (+) ( -) (+) (H) (L)

7

Conduc ti v ity Probe

5

6

8

9

10

Item 1 부품

Fixing screws for terminal strip

2 MIN alarm output contact or Bottom Blowdown (BB) output contacts 3 Output contacts for activating the control valve 4 MAX alarm output contact 5 Connection of supply voltage 24 Vdc with fuse 0.5 A (semi-delay) provided on site 6 Actual value output 4-20 mA 7 2 wire Pt 100 temperature sensor input 8 Bottom blowdown (BB) link input 9 Bottom blowdown (BB) switch input 10 Data line for operating and display unit BHD50 11 Conductivity Probes - See figure 5 12 Central earthing point (CEP) in control cabinet 13 Earthing point at the auxiliary equipment (e.g. CP30/CP40) 14 Standby/burner input (24 Vdc), ON = standby/burner on, OFF = normal running/burner off ON = 절전모드/버너 on, OFF = 정상실행모드/버너 o ff

Pa g e4o f 5

TI-P693-21 / EMM Issue 1

BCR3250 블로우다운 컨트롤러 BHDSO 작동장치