
B-I INDUSTRIAL CO., LTD.
SMOKE DENSITY INDICATOR
TABLE OF CONTENTS
INDEX PAGES
CHAPTER 1
1-1 BI-SM Information
1-1-1 General View……….…………………..………………………………………................5
1-1-2 Technical Specification…………………..…..…….………………………….…….........6
1-2 Introduction…………………………………..……………………….…….…….….............7
1-3 General Information………………………...………………….……….….………...........7
1-4 Specifications
1-4-1 Control Unit.…...................……………………………………………................................8
1-4-2 Projector/Receiver Units………….………………..……......................................................8
CHAPTER 2
2-1 Operation And Setting
2-1-1 Preliminary Operation……………………..………………………….…….….…................9
2-1-2 Operation…………………………..……………………………....................................9~10
2-1-3 Setting Value…………………………..……………………………………………...........10
2-1-4 Setting…………………………….……………………………..........................................11
Alarm……………………………………………………………..……...….......................12
High Level …………………………..……………………………...................................12
High High Level…………………………....……………………………...........................13
Delay Time……………...……………..……………………………..................................13
Filter…………………...…………..…………………………............................................14
Zero & Span ………...…………………..………………………….............................14~15
4-20mA………………………..…..……………………………...................................15~16
2-1-5 Trouble Shooting………………….……………………………………………………..17
CHAPTER 3
3-1 Preliminary Instructions…………………….……..………………………........................18
3-2 Installation - Projector & Receiver Units
3-2-1General…………………………..…………………………….………...............................19
Typical Installation…………………..…………………………………….…....................19
3-2-2Location…………………………..…………………………..............................................19
3-2-3Temperature………………………..………………............................................................19
3-2-4 Accessibility………………………..…………………........................................................19
3-2-5 Scanning Distance………………………..……………………...........................................20
3-2-6Stratification………………………..……………………....................................................20
3-2-7 suunight……………………………………….....................................................................20
3-2-8 Mounting Optical Units………………..…………………..................................................21
3-2-9 Positive Pressure Application………………………….……………………......................22
3-2-10 sealing air…………………………..………………………..............................................22