PHB 2026 Vol-1

A-28

● 결선도

STANDBY/ BURNER INPUT (24Vdc) 절전/버너 입력

14

MIN/ BB VALVE

CLOSE

OPEN

MAX

1

1

2

3

3

4

1

1

M 0.5 A (semi-delay)

12

13

13

13

11

7

Conductivity Probe

8

9

10

5

6

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 = 정상 실행모드/버너 off

TI-P693-21 / EMM Issue 1

Page 4 of 5

BCR3250 블로우다운 컨트롤러 BHD50 작동 장치