York YHKMXH009BARX-FX Service Manual page 83

Multi-mode for installation
The indoor unit can be installed with an air return duct or without an air return duct according to the
installation need
Different ESP Choice
There are low/medium/high static pressure duct models fit for different design application.
Slim Low ESP duct: 0/10/20/30Pa selectable.
Medium ESP duct: 50/100Pa selectable(28K~48K)
High ESP duct:50Pa~150Pa adjustable steplessly(48K~60K)
Embedded
the Ceilin g
Hanging
from the
Ceiling
81
Hanging
from the
Ceiling
Embedded
the Ceilin g