Gree Ultra Heat GMV Multi VRF Series User Manual

Ultra Heat GMV Multi VRF_Heat Recovery Serial
47
Progress
LED1
LED2
LED3
Code
Display
status
Code
Display
status
Code
Display
status
01_ Set master
unit malfunction
A0
Light
System is not debugged.
CC
Light
Master unit hasn’t been set, please
set it.
CF
Light
Master unit is two or more than two.
Please reset.
CJ
Light
Address DIP switch code of system
is shocking.
db
Light
01
Light
oC
Light
Master unit has been set
successfully. Next step will start
automatically.
02_Allocate
addresses
db
Light
02
Light
oC
Light
Address allocation is finished. Next
step will start automatically.
03_Confirm the
quantity of
modules
db
Light
03
Blink
01~03
Blink
LED3 displays the quantity of
module. In this case, please
confirm if the quantity is correct
manually.
db
Light
03
Light
oC
Light
System has confirmed the quantity
of module. Next step will start
automatically.
04_ Confirm the
quantity of IDUs
db
Light
04
Blink
01~60
Blink
LED3 displays the quantity of IDU.
In this case, please confirm if the
quantity is correct manually.
db
Light
04
Light
oC
Light
System has confirmed the quantity
of IDU. Next step will start
automatically.
05_Internal
communication
detection
C2
Light
Communication between master
ODU and inverter compressor
driver has error.
C0
Light
Communication between master
ODU and IDUs has error.
db
Light
05
Light
oC
Light
System detection is done. Next
step will start automatically.
06_Detect
outdoor
components
Error
code
Light
System detects that outdoor
components have error.
db
Light
06
Light
oC
Light
System detects no error on outdoor
components. Next step will start
automatically.
07_Detect
indoor
components
XXXX/
Error
code
Light
System detects error on indoor
components. XXXX means the
project code of IDU with error. 3s
later, related error code will be
displayed.
db
Light
07
Light
oC
Light
System detects no error on indoor
components. Next step will start
automatically.
08_Confirm
preheated
compressor
db
Light
08
Light
on
Light
LED3 displays the on-off state of
ODU valves connecting with IDU.
In this case, please confirm if the
ODU valves are open manually.
db
Light
08
Light
U0/
Preheat
time
Blink
U0 means preheat time for
compressor is less than 8 hours.
db
Light
08
Light
oC
Light
Compressor has been preheated
for 8 hours. Next step will start
automatically.
09_Refrigerant
U4
Light
System is lack of refrigerant.

Gree Ultra Heat GMV Multi VRF Series Specifications

General

Brand	Gree
Model	Ultra Heat GMV Multi VRF Series
Category	Air Conditioner
Language	English