Haier HBU-18HF03 Manual page 58

5.2 For series 42
ACCESSORIES
Please call dealer to install the air-conditioner.
Air-conditioner can't be installed in the
envi-ronment with inflammable gases
because the inflammable gases near to
air-conditioner may cause fire hazard.
Installed electrical-leaking circuit breaker.
WARNING !
CAUTION !
Connect earthing wire.
Use discharge pipe correctly to ensure efficient
discharge.
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Installation