Gree GMV-N07G/A3A-D(U), Service Manual

Page: 58 / 192

Multi Variable Air Conditioners Indoor Unit for North America
52
n7
Parameter
query ingress
of ODU
01-13
25-29
Operation method (n7 query is not supported for the slave wired
controller):
In ―n7‖ status, the timer area is not displayed. Press the ―MODE‖
button to enter parameter query of ODU. The first bit in the
temperature area (display bit of the ODU module ID) blinks. Press
―▲‖ or ―▼‖ to switch the ODU module ID. Press the ―MODE‖ button to
select an ODU module. In this case, the first bit in the tem perature
area stops blinking, and the second and third bits in the temperature
area display the parameter code. The timer area displays a
corresponding parameter value. Press ―▲‖ or ―▼‖ to switch the
parameter code and press the ―ENTER/CANCEL‖ button to return to
the upper-level menu.
Display mode:
Temperature area: displays the ODU module ID and parameter code
from left to right.
Timer area: displays a corresponding parameter value to the right.
Parameter
Code
Parameter Name Unit
01 Outdoor environment temperature °C/°F
02 Operation frequency of compressor 1 Hz
03 Operation frequency of compressor 2 Hz
04 Operation frequency of outdoor fan Hz
05 Module high-pressure °C/°F
06 Module low-pressure °C/°F
07 Discharge temperature of compressor 1 °C/°F
08 Discharge temperature of compressor 2 °C/°F
09 Discharge temperature of compressor 3 °C/°F
10 Discharge temperature of compressor 4 °C/°F
11 Discharge temperature of compressor 5 °C/°F
12 Discharge temperature of compressor 6 °C/°F
13 Operation frequency of compressor 3 Hz
25
Outdoor unit heating EXV1
(Actual value = Displayed value * 10)
PLS
26
Outdoor unit heating EXV2
(Actual value = Displayed value * 10)
PLS
27
Subcooler EXV
(Actual value = Displayed value * 10)
PLS
28 Defrosting temperature °C/°F
29
Liquid-extracting temperature of
subcooler
°C/°F
30 Outlet temperature of accumulator °C/°F
31 Oil return temperature °C/°F
32 Inlet-tube temperature of condenser °C/°F
33 Outlet temperature of condenser °C/°F
A6
Unit
cooling/heatin
g function
nA:
cooling/heatin
g
nC:
single-cooling
nH:
single-heating
nF: air supply
Temperature area: displays the function code.
Timer area: displays the cooling/heating function setting value of the
current unit.
nb
Bar code
query of IDU
0-9, A-Z, a-z, -
Operation method (nb query is not supported for the slave wired
controller):
In ―nb‖ status, the timer area is not displayed. Press the ―MODE‖
button to enter bar code query. The temperature area displays ―nb‖
and the project number in the timer area blinks. Pr
ess ―▲‖ or ―▼‖ to
switch the project number of IDU.
Press the ―MODE‖ button to select an IDU. The temperature area
displays ―Un‖ and the timer area displays ―-n‖. Press ―▲‖ or ―▼‖ to
display the entire-unit bar code and controller bar code of IDU. Press
t
he ―ENTER/CANCEL‖ button to return to the upper-level menu. The
temperature area displays ―nb‖ and the timer area displays the