Gree GMV5E Series Service Manual page 85

GREE
2.2.2. Introduction to Functions
2.2.2.1 List of functions
Function
Function Name
Code
Refrigerant
A2 recovery
operation
Unit
A6 cooling/heating
function
Outdoor silent
A7
mode
Aftersales
A8 vacuuming
mode
Conservation
n0
control 1
Forcible
n3 defrosting
operation
Conservation
n4
control 2
Indoor unit
n5 project number
offset
n6 Fault query
Parameter
n7
query
Indoor unit
n8 project number
query
Online IDU
n9
quantity query
Outdoor unit
nb bar code
function query
2.2.2.2 Description of Functions
(1) A2 Refrigerant recovery operation
This function partially recovers refrigerants in a faulty module or IDU pipeline during unit
maintenance. The refrigerant recovery volume of each basic module is as follows:
Model of Basic Module
GMV-224WM/E-X
GMV-280WM/E1-X
GMV-280WM/E-X
GMV-335WM/E-X
GMV5E DC INVERTER VRF UNITS SERVICE MANUAL
Function Meaning
Fully or partially recovers refrigerants in a
faulty module or IDU pipeline according to the
system pressure after automatic startup
during maintenance.
Sets the unit to cooling/heating,
single-cooling, single-heating, or air supply
mode for centralized management.
Sets different silent modes to meet users'
noise requirements.
Automatically
enables all electronic expansion valves and
electromagnetic valves during maintenance
to guarantee vacuum processing in all
pipelines.
Automatically decreases the power
consumption of the unit according to
system operation parameters.
Forcibly enables ODU defrosting operation.
Forcibly decreases the maximum power
consumption of the unit.
Prevents IDU project number conflicts
when different refrigerating systems are
controlled in a centralized manner.
Queries historical fault information of the
ODU.
Queries real-time operation parameters of
the ODU.
Displays project numberes of all IDUs
through ODU operations.
Displays the number of online IDUs.
Queries the entire-unit bar code and
controller bar code of ODU.
Maximum Refrigerant Recovery Volume (kg)
81
Factory Settings
Code Meaning
—— ——
Cooling/Heating
nA
function
No silent
00
settings
—— ——
No automatic
01 conservation
settings
—— ——
No capacity
00 output limitation
settings
—— ——
—— ——
—— ——
—— ——
—— ——
—— ——
7.5
7.5
7.5
8.7
Remark
It can only
be set.
It can be
set and
queried.
It can be
set and
queried.
It can only
be set.
It can be
set and
queried.
It can only
be set.
It can be
set and
queried.
It can only
be set.
It can only
be
queried.
It can only
be
queried.
It can only
be
queried.
It can only
be
queried.
It can only
be
queried.