jotron MPA 1600, User And Installation Manual

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User and Installation Manual
Compact MPA
8 COMMISSIONING PROCEDURE
FOR THE GENERAL ALARM/PUBLIC ADDRESS SYSTEM COMPACT MPA
8.1 SCOPE
This chapter is valid as commissioning procedure for the General Alarm / Public Address System Compact MPA.
8.2 INTRODUCTION
The purpose of this document is to specify all testing/measurement to be carried out during the commissioning. The purpose
of the commissioning is to verify that the equipment fulfils all functional requirements. The test objective is to verify that
cables, terminals and mechanical workmanship of the delivered equipment complies with the specifications and overall
industry standards for such equipment.
The tests will also show that the basic performance requirements (e.g. Signal Levels and functions) are met.
These commissioning tests are targeted towards a IMO/SOLAS certified system and relies on the MPA 1600 to configured to
comply with those requirements. Please see the Prerequisites section of the Operating Procedure for details on the necessary
configuration options.
8.3 BRIEF SYSTEM DESCRIPTION
8.3.1 GENERAL
The Public Address & Alarm system is designed, produced and delivered by Jotron. The delivery comprises centralized
equipment mounted in racks, as well as equipment for installation throughout the vessel.
There are two main purposes for the PA system, one is to broadcast general announcements and the other is to distribute
alarm tones and guide personnel during possible emergency situations.
8.3.2 CENTRAL EQUIPMENT
The PA & GA system can be a duplicated system each containing two equally equipped central wall cabinets. Each containing
the MPA 1600 Operation Unit and the required number of amplifiers and distribution and termination modules. Outputs to
field equipment are divided into separate A and B cable routing.
The system can also be used as a single system with a single cabinet if the redundancy is not required. Field outputs are then
only wired with a single cable routing.
8.3.3 ACCESS & CONTROL PANELS
Up to 24 control units of the types MPA 1601, 1603, 1643 can be connected to the system, divided over 6 user busses. Each
bus can be assigned a priority. Two Control Units (1601 or 1643) and two Alarm Panels (1603) are required to fulfil the IMO/
SOLAS certifications requirements. A combination panel (MPA 1605 or MPA 1606) can fulfull the role of one 1601 and one
1603 in a single device.
8.4 FUNCTIONAL TESTING OF UNITS
8.4.1 MPA 1600 OPERATION UNIT
Below is a description of the status lights found on the MPA 1600 central unit and their expected state.
PWR-LED: Green light indicates that power is present on both inputs. Red light indicates the system has not started
yet or the power is missing for one of the inputs.
PA-LED: Green light indicates that there is a PA-message in the system. Otherwise the LED is dark.
AL-LED: Green light indicates that there is an Alarm in the system. Otherwise the LED is dark.
ZONE-LED’s: Green light in a LED indicates that there is activity in the defined zone.
USER-LED’s: Green light in a LED indicates the active user in a system. A red light indicates an error in one of the user panels
on the corresponding bus.
RESET-switch: Pushing this switch will reset the MPA-system. The switch is protected from unintentional use, so a pencil-tip or
similar must be used to activate it.