Gree GMV-ND22PLS/A-T Service Manual

MULTI VRF-Ⅱ INDOOR UNIT SERVICE MANUAL EUROPEAN/LATIN AMETICA (R410A)
61
Parameter
Code
Parameter Name
Parameter Range
Default Value
Remark
factory departure.
Press the “ENTER/CANCEL”
button to confirm settings and
return to the upper-level menu.
Display mode:
Temperature area: displays the
target outlet temperature of fresh-
air IDU.
P56
The setting for
AHU-KIT indoor
unit reach the
temperature in
heating code,
Defrosting in
heating code, oil
return in heating
code
00: indoor fan stop
01: indoor fan keep
operate
-
When set "00", the same control
with normal GMV indoor unit, the
indoor fan will stop; when set
"01",the indoor fan keep operate.
Note: This setting only aim to AHU-
KIT indoor unit.
P54
Linked settings
for fresh-air IDU
00: no linked control
(default)
01: linked control
-
There is not linked control by
default upon factory departure.
After the linked control function is
set, the fresh-air IDU can be
independently controlled.
n0
System
conservation
operation
settings
00: comfortability
preferred
01: conservation
preferred
00
n1
Defrosting period
settings
40: 40 minutes
50: 50 minutes
60: 60 minutes
50
n3
Forcible
defrosting
00: common
01: forcible defrosting
-
After settings, it automatically
restores to "00".
n4
Highest capacity
output limitation
settings for ODU
08: 80%
09: 90%
10: 100%
10
Enter query in “n4” status. The
temperature area displays the
function code and the timer area
displays the corresponding function
setting value.
A7
Silent function of
ODU
00: no silent function
01-09: intelligent
nighttime silent mode
10-12: forcible silent
mode
00
Enter query in “A7" status. The
temperature area displays the
function code and the timer area
displays the corresponding function
setting value.
Note:
In parameter setting status, "FAN", “TIMER”, "SLEEP", and "SWING" are invalid. By pressing the
“ON/OFF” button, users can return to the main interface but not power on/off the unit.
In parameter setting status, signals of the remote controller are invalid.
5.1.7 Failure Display
When a fault occurs during the system operation, the temperature area of wired controller displays the
fault code. When multiple faults occur, fault codes are circularly displayed.
 When a fault occurs, power off the unit and ask for professional maintenance personnel for help.
The following figure shows the power-on high-pressure protection fault interface.

Gree GMV-ND22PLS/A-T Specifications

General

Brand	Gree
Model	GMV-ND22PLS/A-T
Category	Air Conditioner
Language	English