Gree GMV-120WM/B-F

GMV5 D.C INVERTER MULTI VRF SERVICE MANUAL
104
1.3.2.2 Introduction to Functions
(1) List of functions
Function
Code
Function
Name
Function Meaning
Factory Settings
Remark
Code
Meaning
A2
Refrigerant
recovery
operation
Fully or partially recovers refrigerants in a faulty
module or IDU pipeline according to the system
pressure after automatic startup during
maintenance.
——
——
It can only
be set.
A6
Unit
cooling/heatin
g function
Sets the unit to cooling/heating, single-cooling,
single-heating, or air supply mode for centralized
management.
nA
Cooling/Heat
ing function
It can be set
and queried.
A7
Outdoor silent
mode
Sets different silent modes to meet users' noise
requirements.
00
No silent
settings
It can be set
and queried.
A8
Aftersales
vacuuming
mode
Automatically
enables all electronic expansion valves and
electromagnetic valves during maintenance to
guarantee vacuum processing in all pipelines.
——
——
It can only
be set.
n0
Conservation
control 1
Automatically decreases the power consumption
of the unit according to system operation
parameters.
01
No
automatic
conservation
settings
It can be set
and queried.
n3
Forcible
defrosting
operation
Forcibly enables ODU defrosting operation.
——
——
It can only
be set.
n4
Conservation
control 2
Forcibly decreases
the maximum power consumption of the unit.
00
No capacity
output
limitation
settings
It can be set
and queried.
n5
Indoor unit
project
number offset
Prevents IDU project number conflicts when
different refrigerating systems are controlled in a
centralized manner.
——
——
It can only
be set.
n6
Fault query
Queries historical fault information of the ODU.
——
——
It can only be
queried.
n7
Parameter
query
Queries real-time operation parameters of the
ODU.
——
——
It can only be
queried.
n8
Indoor unit
project
number query
Displays project numberes of all IDUs through
ODU operations.
——
——
It can only be
queried.
n9
Online IDU
quantity query
Displays the number of online IDUs.
——
——
It can only be
queried.
nb
Outdoor unit
bar code
function query
Queries the entire-unit bar code and controller bar
code of ODU.
——
——
It can only be
queried.
 If above function settings are incorrect, unit will run abnormal and compressor may even be
damaged.