SMAY iSWAY, Operation And Maintenance Manual, Page: 174 / 181

Operation and Maintenance Manual (DTR) iSWAY
®
Set of products
Version 2.1 of 3.2022 174
auxiliary power supply.
13.4th Monthly tests
Each month, in addition to weekly tests, emergency source tests shall be carried out
as well as power and backup equipment:
13 . 4.1 Simulate the failure of the primary power supply and check that the system has
automatically switched to an additional power supply. If the additional power source is a diesel
generator, it shall supply the system for at least 1 h.
13.4.2 Simulate airflow loss situations and check that back-up fans, if any, are running.
13.5th Annual tests
Every 12 months, in addition to the manufacturer's recommendations and monthly tests,
the entire differential pressure system shall be tested by carrying out the acceptance test
procedures in 12.2.1, 12.2.2, 12.2.3, and 12.2.4 in sequence.
13.6th Repeated tests
The entire differential pressure system shall be re-tested in accordance with 12.1 (acceptance
tests) following any modification of the building which may have affected the differential pressure
system, e.g. changes in internal divisions, extension and changes in the differential pressure
system
13.7th Test results
The results of the tests shall be recorded as set out in Chapter 14.
13.8th Facilitating access for maintenance purposes
The system designer should provide easy access for maintenance purposes. When designing the
system it is required to take into account installation, measurement/testing, adjustment,
maintenance, repair and replacement according to the following conditions:
a) Access must be provided to enable installation, repair and replacement to be carried out
satisfactorily;
b) Access shall be provided for the inlet guide vanes of the fan(s) and dampers of the
distribution system;