
©
B
RE
A
T
H
E
S
A
FE
20
1
9
www.breathe-safe.com.au
Page
33
Issue date
:
Controlled document
:
Revision:
WA900-3EO
COMMISSIONING
PRESSURISER COMMISSIONING STEPS
WARNING: Wear correct personal protective
equipment when cleaning and servicing this unit due to
hazardous fibres which may be caught by all stages of
filtration during normal unit operation.
The electrical power system is supplied by 12v dc
or 24v dc. no work should be carried out on the
pressuriser system without the correct electrical safety
measures being taken and all relevant circuit breakers
opened to isolate the circuit.
the pressuriser has various types of rotating equipment
installed. ensure all safety guards are in place while the
system is running.
1. Power up the pressuriser and ensure the fan is operating
correctly.
2. Make sure the pressuriser switches on and off as
required.
3. Using a manometer test the internal cabin pressure.
NOTE: The effectiveness of the Pressuriser is
depends on how well the cabin is sealed.
Effective cabin pressurisation is achieved with a
minimum of 25Pa above ambient pressure.
COMMISSIONING