Particle Filter
Purpose: Some units include a particle filter which captures debris leaving the chiller. The filter
housing is mounted on the back of the unit.
Maintenance: Record the pump’s running fluid pressure at the completion of startup when the filter is
clean. Replace the filter when the pressure increases 5psi to 6 psi (0.3bar to 0.4 bar) above the
startup running pressure. Replacement filters are available from Haskris.
Wye Strainer
Purpose: Some units have water-cooled condensers. The installation may include a wye strainer
which captures debris from the building water.
Maintenance: Clean the wye strainer during routine maintenance. If there is a pressure gauge
between the facility water inlet and the wye strainer, then clean the wye strainer every time the
pressure at the wye strainer inlet has increased 10 psi (0.7 bar) or more.
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