Carrier 42QHC009D8S Series Service Manual

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2.2.9 Fresh air intake function(Optional)
 Install one duct from the reserved fresh-air intake to outdoor.
Continually inhale the fresh air to improve the quality of the indoor air, fulfills air quality more healthy and
comfortable.
 A ventilation motor (provided by the installer) can be installed inside the fresh air duct to improve the
fresh air volume. There are reserved ports for this motor on main PCB (Standard for 3D inverter units,
and only optional for DC inverter 53~160 units).
2.2.10 Built-in drain pump (Optional)
 Built-in drain pump can lift the water to 750mm upmost, which widens the drainage piping range.
Max 750mm

Carrier 42QHC009D8S Series Specifications

General

Brand	Carrier
Model	42QHC009D8S Series
Category	Air Conditioner
Language	English