Instruction To Users - Gree GMV-Pdhm224W/Na-M Installation And Operating Instruction Manual

☆ During using the unit under only-cooling /heating mode, the total capacity of indoor
units which are running simultaneously shouldn't be more than that of outdoor unit,
or else poor cooling/heating capacity of each indoor unit
principal-cooling /heating mode, the total capacity of indoor units as principal part
which are running simultaneously shouldn't be more than that of outdoor units，or
else poor cooling /heating capacity of each indoor unit
☆ According to capacity of each indoor unit, an air switch (or fuse) to each indoor unit
and a master switch to all indoor units should be installed. Each air switch, which is
usually shut off, is used for short circuit protection and abnormal overload of
corresponding indoor unit。The master switch is used for unified power supply for
all indoor units or shut-off of power supply.
☆ For smooth start of air conditioner unit, the main power switch shall be put to "ON"
position 8 hours before start.
☆ Upon receiving STOP signal
continue to work for 20~70 seconds for purpose of utilizing the remaining cold air
or heats in heat exchanger and also make preparations for next use. This is normal.
☆ During installation, do not mix communication lines with power cables. Be sure to
separate them at minimum spacing over 20cm; otherwise it might result in
communication problem.
☆ If switch between cooling / dry mode and heating mode of indoor unit occurs or if
indoor unit is off under heating mode, brief flowing sound of
and heating mode exchanger may occur ,which is normal.
☆ Install the cooling and heating mode exchanger in the place like corridor where
noise requirement is correspondingly lenient, furthermore, it should be installed in
ceiling with good sound insulation. Avoid installing it in the place like bedroom,
ward or office where low noise is required.
☆ An all-pole disconnection switch having a contact separation of at least 3mm in all
poles should be connected in fixed wiring

Instruction to Users

from each indoor unit, the fan of related indoor unit will
1
will be resulted in.
will be resulted in.
refrigerants
Under
of cooling