Mitsubishi Electric PURY-HP144, Service Handbook

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[1-5 Cautionary notes on installation environment and maintenance ]
14 -
chapter 1 HWE18220_GB
1 Check Before Servicing
1-5 Cautionary notes on installation environment and
maintenance
Salt-resistant unit is resistant to salt corrosion, but not salt-proof. Please note the following when
installing and maintaining outdoor units in marine atmosphere.
1) Install the salt-resistant unit out of direct exposure to sea breeze, and minimize the exposure to salt water mist.
2) Avoid installing a sun shade over the outdoor unit, so that rain will wash away salt deposits off the unit.
3) Install the unit horizontally to ensure proper water drainage from the base of the unit. Accumulation of water in the base of the
outdoor unit will significantly accelerate corrosion.
4) Periodically wash salt deposits off the unit, especially when the unit is installed in a coastal area.
5) Repair all noticeable scratches after installation and during maintenance.
6) Periodically check the unit, and apply anti-rust agent and replace corroded parts as necessary.