Annual Checks; Three-Yearly Checks; Four-Yearly Checks; Controller Functions - Tyco MX Series Service And Maintenance Instructions

Note: Any changes must be made the subject of a
report to the Service Department.
h) Ensure that a clear space of at least 750 mm
is preserved in all directions below heat and
smoke detectors, that they are correctly sited
and that all manual callpoints remain
unobstructed and conspicuous.
i) Ensure that no physical obstruction has been
placed in the line-of-sight between flame
detectors and the protected area.
Any defect should be recorded in the log book and
appropriate action taken. On completion of the work,
obtain the signature of the customer or his representative for
the Routine Maintenance Visit Record. Leave a copy of this
record with the customer for his files.
2.4

ANNUAL CHECKS

Proceed as follows:
a) Perform the three-monthly checks as
detailed in section 2.3.
b) Visually check the inside and outside of the
controller and ancillary devices for damage.
c) Check for damage to, and paint on, heat
detectors; check for dirt, grease, etc. on the
lenses of flame detectors.
d) Clean or exchange units as necessary.
e) Check for damage and accumulations of dirt
on ion-chamber smoke detectors. DO NOT
CLEAN; these units MUST be exchanged
and returned to the factory for disposal.
Note: The return of ion-chamber smoke detectors is
to be carried out in accordance with the latest
company standing instructions for storage and
transportation of radioactive materials.
f) Check the fixings for the controller and all
detectors, sounders and ancillary equipment
which form part of the fire detection system.
g) Check the cable fixings at the controller and
each ancillary device for correct connection.
h) Test ALL detectors and callpoints for
correct operation.
Record any defect in the log book and rectify as
required. On completion of the work, obtain the signature
of the customer or his representative for the Routine
Maintenance Visit Record. Leave a copy of this record with
the customer for his files.
© 2009 Tyco Safety Products
Registered Company: Thorn Security Ltd. Registered Office: Dunhams Lane Letchworth Garden City Hertfordshire SG6 1BE
EQUIPMENT:
PUBLICATION:
ISSUE No. & DATE:
2.5

THREE-YEARLY CHECKS

In addition to the normal yearly checks, filters of VESDA™
Aspirating detectors must be changed.
2.6

FOUR-YEARLY CHECKS

In addition to the normal yearly checks, internal standby
batteries must be renewed.
CAUTION:
TAKE CARE WHEN HANDLING THE
BATTERY. DO NOT CONNECT THE
BATTERY THE WRONG WAY
ROUND. WHEN THE BATTERY IS NOT
CONNECTED, COVER TERMINALS WITH
INSULATING TAPE TO PREVENT
ACCIDENTAL SHORT CIRCUIT.
3.

CONTROLLER FUNCTIONS

3.1

GENERAL

The 'MINERVA MX/MZX' fire controllers have a large
number of built-in functions. These functions allow system
parameters to be viewed and/or changed and a number of
operations to be performed.
As the available functions allow access to system
parameters, it is necessary to restrict the use of these
functions to trained staff. This is achieved by the use of
passcodes. In order to gain access to the controller
functions, the user enters a passcode via the front panel
keypad. The function is then either selected from the menu.
Access to the keypad is gained via the five 'Softkeys' on the
Operator Display Module (see Fig. 1) or MX2/MZX125/
MZX250 Display Control Module (see Figs. 2, 3 and 4).
3.2

MOVING THE CURSOR

The cursor is moved through the options using the softkey
associated with the double arrow sign '>>'.
3.3

ENTERING INFORMATION

When the cursor is over information that can be changed,
either use the '+' or '-'and softkeys or enter the number/
letter via the keypad.
Note: For speed, Point Numbers should be entered
via the keypad.
MX/MZX
17A-04-S
17 10/09
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