Aritech 950 Series User Manual

900 Series V5.1: Installation Guide, February 2000 1
CONTENTS
1. Introduction.............................................................................................................................................3
1.1. Scope .............................................................................................................................................3
2. Guidelines ...............................................................................................................................................3
2.1. General ..........................................................................................................................................3
2.1.1. Product overview – 9xx Series:.........................................................................................3
2.2. Addressing .....................................................................................................................................4
3. Standard products .................................................................................................................................5
3.1. Installing bases and manual call points .........................................................................................5
3.1.1. Mounting bases .................................................................................................................5
3.1.1.1. Bases for the 950/990 Series fire monitors - DB950............................................5
3.1.1.2. Bases for IU950 isolators - DB951.......................................................................6
3.1.1.3. Isolator base for 950/990 Series monitors - DB960/DB961.................................7
3.1.1.4. Relay base for 950/990 Series monitors – DB950R ............................................7
3.1.2. Manual call point - DM960/DM990....................................................................................9
3.2. Fire monitoring controllers .............................................................................................................9
3.2.1. Loop powered beam detector - FD950 ...........................................................................10
3.2.2. Zone monitoring unit - II955 ............................................................................................12
3.2.3. Loop powered sounder - AS950 .....................................................................................12
3.2.4. Sounder circuit controller - IO956 ...................................................................................13
3.3. Input/output units..........................................................................................................................14
3.3.1. Single channel output unit - IO955..................................................................................14
3.3.2. Single channel input/output unit - IO950.........................................................................15
3.3.3. Three channel input/output unit - IU922..........................................................................15
3.3.4. Mini Switch Monitoring Unit - II950..................................................................................16
3.3.5. Mini Switch Monitoring Unit with an interrupter - II951 ...................................................18
3.3.6. Switch monitor - II952 .....................................................................................................19
3.3.7. Switch monitor plus - II953..............................................................................................20
3.4. DIN rail mounted units..................................................................................................................21
3.4.1. Isolators...........................................................................................................................21
3.4.1.1. Dual isolator – IU950D .......................................................................................21
3.4.2. Fire monitoring controllers...............................................................................................22
3.4.2.1. Zone monitoring unit - II955D.............................................................................22
3.4.2.2. Sounder control unit – IO956D...........................................................................24
3.4.3. Input/output units.............................................................................................................26
3.4.3.1. Output unit - IO955D ..........................................................................................26
3.4.3.2. Input/output unit - IO950D ..................................................................................26
3.4.3.3. Switch Monitor - II952D ......................................................................................27
3.4.3.4. Switch Monitor Plus - II953D ..............................................................................28
4. Intrinsically Safe Products - 970 Series .............................................................................................29
4.1. System overview ..........................................................................................................................29
4.1.1. System design.................................................................................................................29
4.1.2. Maximum loading ............................................................................................................31
4.1.3. Wiring and cable types....................................................................................................32
4.2. Protocol translators ......................................................................................................................33
4.3. Safety barriers..............................................................................................................................33
4.4. Fire monitors ................................................................................................................................34
4.4.1. Installation .......................................................................................................................34
4.4.2. Mounting bases ...............................................................................................................34
5. Marine products – 950M Series ..........................................................................................................35
6. Loop load calculations ........................................................................................................................35
6.1. General ........................................................................................................................................35
6.2. Calculation procedure for DC voltages ........................................................................................35
6.2.1. Standby current ...............................................................................................................36

Aritech 950 Series Specifications

General

Brand	Aritech
Model	950 Series
Category	Fire Alarms
Language	English