Gree GMV-S280W/A-X User Manual

GMV5 Home DC Inverter Multi VRF Units
276
4.1.2.2 Pressure
Fau
lt
cod
e
Fault
Possible causes
Solution
Primary cause
Secondary cause
Tertiary cause
Descriptio
n
Confirmati
on method
Descriptio
n
Confirmation
method
Descripti
on
Confirmati
on method
E1
High
pressur
e
protecti
on
1.The
stop valve
of the
ODU is
not fully
opened as
required.
Manual
check
Fully open
the stop
valve.
2.The
system
pipeline is
blocked.
The
system's
exhaust
pressure
rises and
the low
pressure is
too low
(compared
with the
reference
2.1The
system air
pipeline is
blocked.
Touch the pipe
along the
flowing
direction of
refrigerant to
feel the
temperature
difference. The
difference is
large.
2.1.1The
block is
caused
by solder.
Cut off the
pipe and
check it.
Replace
and solder
the pipe.
2.1.2The
pipeline
is
blocked
by
impurities
.
Replace
and solder
the pipe.
re sensor
failure
temperatur
e sensor
or main
board.
4.Too
much
refrigeran
t
Other
reasons
Incorrect
quantity of
refrigerant
is injected.
Check the
necessary
amount of
refrigerant
and
discharge
the
unneeded
refrigerant
slowly via
the stop
valve of
the fluid
pipe.

Gree GMV-S280W/A-X Specifications

General

Category	Inverter
Model	GMV-S280W/A-X
Cooling Capacity	28.0 kW
Heating Capacity	31.5 kW
Power Supply	380-415V/3Ph/50Hz
Refrigerant	R410A
Operating Temperature Range (Cooling)	-5 to 48 °C
Outdoor Unit Dimensions (WxHxD)	950 x 370 x 1380 mm