Water-cooled Heat Recovery DC Inverter VRF
38
(2) When debugging starts, system will operate according to the ambient temperature.
1) When water inlet temperature of master ODU
≥20
℃
(68
℉
), debugging shall be in
cooling mode.
2) When water inlet temperature of master ODU
＜
20
℃
(68
℉
), debugging shall be in
heating mode.
(3) Before debugging, confirm whether the cut-off valves of each basic module are fully open
again.
(4) During debugging, water pipe should be installed and water flow should be within 2.0~9.5
m
³
/h(8.8~41.8gpm).
(5) Before commissioning, check and ensure that the adding of refrigerant through pipes is
completed or at least 70% of the refrigerant filling quantity is added. (For the refrigerant
filling method, refer to the Installation Manual.).
(6) Descriptions about different messages displayed during commissioning processes are listed
in the following table.
Description of each stage of debugging progress
-
Debugging code
Progress code
Status code
Meaning
Progress
LED1
LED2
LED3
Code
Display
status
Code
Display
status
Code
Display
status
01_ Set master
unit
db
On
01
On
A0
On
System is not debugged.
db
On
01
On
CC
On
Master unit hasn’t been set.
db
On
01
On
CF
On
Master unit is two or more. Please
make it correct.
db
On
01
On
OC
On
Master unit has been set successfully.
Go to next step automatically.
02_ Allocate
addresses
db
On
02
On
Ad
Blink
System is allocating address.
db
On
02
On
L7
Blink
No master indoor unit. Please the
maser indoor unit. If master indoor unit
is not set within 1min, system will set it
randomly.
db
On
02
On
OC
On
Address allocation is finished. Go to
next step automatically.
03_Confirm the
quantity of
module
db
On
03
On
01~04
Blink
LED3 indicates the quantity of module.
In this case, please confirm whether
the quantity is correct manually by
pressing SW3.
db
On
03
On
OC
On
System has confirmed the quantity of
module. Go to next step automatically.
04_Confirm the
quantity of IDU
db
On
04
On
01~80
Blink
LED3 indicates the quantity of IDU. In
this case, please confirm whether the
quantity is correct manually by
pressing SW3.
db
On
04
On
OC
On
System has confirmed the quantity of
IDU. Go to next step automatically.
Содержание GMV-WQ120WM/A-F
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