Ducted Type Split Air-Conditioner Units(Inverter Series)
22
Content
symbol
Division
symbol
0
1
2
3
4
5
D
ebugg
ing
U
Preheat time
of
compressor
is insufficient
-
Wrong setting
of ODU’s
capacity
code/jumper
cap
-
Refrigerant-
lacking
protection
Wrong
address for
driving board
of compressor
C
Communicati
on
malfunction
between
IDU, ODU
and IDU’s
wired
controller
-
Communication
malfunction
between main
control and
inverter
compressor
driver
Communicati
on
malfunction
between main
control and
inverter fan
driver
Malfunction
of lack of IDU
Alarm
because
project code
of IDU is
inconsistent
S
ta
tu
s
A
Unit waiting
for
debugging
Inquiry of
compressor
operation
parameters
Refrigerant
recovery
operation of
after-sales
Defrosting
Oil-return
Online test
n
SE operation
setting of
system
Setting of
defrosting
cycle K1
Setting of
upper limit of
IDU/ODU
capacity
distribution
ratio
-
Limit setting
for max.
capacity/outp
ut capacity
-
Content
symbol
Division
symbol
6
7
8
9
A
H
Indoor
L
Mode shock
No main IDU
Power supply
is insufficient
1-to-more:
number of IDU is
inconsistent
1-to-more: IDU
series is
inconsistent
Alarm due to bad
air quality (Fresh
air unit)
d
Malfunction of
exit-tube
temperature
sensor
Malfunction of
humidity sensor
-
Malfunction of
jumper cap
Web address
of IDU is
abnormal
PCB of wired
controller is
abnormal
J
-
Gas-mixing
protection of
4-way valve
High pressure
ratio
protection of
system
Low pressure
ratio protection of
system
Protection due
to abnormal
pressure
-
b
Malfunction of inlet
temp sensor of
gas-liquid
separator
Malfunction of
outlet temp
sensor of
gas-liquid
separator
-
Malfunction of
heat exchanger
temperature
sensor
-
Clock of system
is abnormal
P
Drive IPM module
protection of
compressor
Malfunction of
drive
temperature
sensor of
compressor
Drive IPM
high
temperature
protection of
compressor
Desynchronizing
protection of
inverter
compressor
-
High-voltage
protection of
compressor’s
drive DC bus bar
H
Drive IPM module
protection of fan
Malfunction of
drive
temperature
sensor of fan
Drive IPM
high
temperature
protection of
fan
Desynchronizing
protection of
inverter fan
-
High-voltage
protection of
fan’s drive DC
bus bar
Summary of Contents for FGR50Pd/D2Na-M
Page 30: ......
