Gree GMV-ND22C/A-T Service Manual

GREE GMV5 INDOOR UNIT SERVICE MANUAL
81
No.
Button name
Function
13
SLEEP
Set sleep function
14
LIGHT
Set light function
15
CLOCK
Set clock of the system
16
I FEEL
Set I FEEL function
17
TEMP
Switch temperature displaying type on the unit’s display
5.4.1 Master IDU Settings
The master IDU can be set through the wired controller or remote controller. The methods for setting
the master IDU through the remote controller are as follows:
Step 1: Set an IDU to air-supply status and set the temperature to 30°C.
Step 2: Continuously press “—” and “+” for three times within five seconds.
Step 3: Check whether the setting is successful. If it is, the LED panel of the IDU will display “UC”
for five seconds and “MASTER” on the wired controller will be on. Otherwise, repeat steps 1 and 2.
5.4.2 Parameter Query
Engineering application functions cover parameter query and parameter settings.
For parameter query, users can query user parameters and engineering parameters of the unit. The
parameter query method is as follows:
(1) On the professional remote controller of YV1L1, press and hold “
CLOCK
“ for five seconds to
enter the parameter query status. The viewing text is displayed. The query code “C00” blinks in
the temperature area.
(2) Press “ ” to switch the query code and select a unit parameter to be queried (see Table
2.5 for parameters that can be queried).
(3) If the timer area displays query sub-items, it indicates that there are level 2 query menus. Press
“
MODE
“ to enter level 2 query menu selection. The content blinks in the timer area. Press
“ ” to switch query sub-items and select a level 2 menu to be queried.
(4) Press “
TEMP
“ to confirm query and return to step 2.
After entering the engineering application function, the system automatically quits the engineering
commissioning status if no valid operations are performed within 20 seconds. To directly quit the
engineering commissioning status, press “
CLOCK
“.
Table 2.5 Query Parameters
Query Code
Query Content
Query Sub-item
Level 2 Query Content
C00
Invalid
C01
Project number query of the current IDU
C02
Capacity query of the current IDU
C03
Indoor unit quantity query in the CAN1 network
C04
Project number query of the master IDU

Gree GMV-ND22C/A-T Specifications

General

Brand	Gree
Model	GMV-ND22C/A-T
Category	Air Conditioner
Language	English