Service Manual

GSM-204-523
General maintenance procedures
31st Oct 01
Maint. 2–8
Maintenance Information: Horizon macro outdoor
CONTROLLED INTRODUCTION
68P02902W04-A
Periodic check
of the
installation
NOTE Refer to Installation and Configuration: (GSM-204-423) to
carry out the following procedures.
It is recommended that the following be performed periodically:
 Inspection and testing in accordance with BS7671 (16th Edition Chapter
73), the IEC 364 equivalent or in accordance with local regulations.
 Earth electrode test.
 TMS testing.
 Test backup battery capacity and operation.
The frequency of such periodic inspection and testing to be determined by the
type of installation, its use and operation, the frequency of maintenance and the
external influences to which it is subjected.
TMS testing
Test facilities
A four button test switch is mounted on the alarms interface board next to the
power supply unit (PSU).
Provision is made to perform the following tests:
 Operate the fans (minimum speed).
 Change the recirculation air (internal) fan speed.
 Change the ambient air (external) speed.
 Operate the heater.
NOTE
Heater function is indicated by the illumination of an LED,
mounted on the rear vertical wall at the top right of the
recirculation air outlet aperture, below and in front of the
power supply enclosure.