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5.2 For 12.5/14/16kW - Single phase
E
XV
CN24
FAN1
COMM. T3&T4
T7
R
LY
Main Board
INV.
COMP
CN6
Filter Board
CN2
FAN2
UP
DN
COOL
X Y E
P
Q
E
T5
T3B
Refrigerant radiator
LP
HP
H
E
A
T
SV3
SV2
4-
WAY
A
C
2
20
V
EXV
External
inductance
U
V
W
IPM
P
FC
RE
C
N
L
W V U
CAP
N
L
,
,
N
L
L1-OUT
L2-OUT
L1-IN
L2-IN
T6
2
2
2
2
2
ON ON ON ON
OFF OFF OFF OFF
1 2 3 4
SW4
CN1
FAN
FAN
Connection box
for outdoor units
5
5
5
10
5
10
Outdoor unit single phase power supply
Indoor unit
comm. wires
Centralized control
comm. wires
* It is recommended to use a
three-core twisted-pair shielded
cable for the comm. wires and to
effectively ground the shield.
YL/GN
YL/GN
Insp Instrucitons
Insp Code
XT1
XT2
LNF
CT1
LNF
XT1
XT2
CT1
REC
PFC
IPM
CN2/CN26
UP
DN
COOL
Communication terminal board
Rectifier
Power factor corrector
Inverter module
PFC Inductor_1 input
PFC Inductor_1 output
PFC Inductor_2 input
PFC Inductor_2 output
Terminal for insp siginal wire
Teminal for communication siginal wire
CN26
Insp-up button
Insp-down button
Forced cooling
Centralized control comm. interface
Indoor unit comm. interface
220V AC Output interface
AC_OUT
Filter board control interface
Condenser outlet / middle temperature
External temperature
Compressor exhaust temperature
Refrigerant heat pipe temperature
High pressure switch signal
Low pressure switch signal
EXV interface
Electric heating interface
Four-way valve interface
Fan interface
AC 220V input interface
Inspection Instructions of Outdoor Unit
Outdoor Unit Fault Code Table
Fault Code Contens
Code
BU
YL
RD
RD
YL
BL
TE
M-
M
Radiator temperature sensor
CAP
Electrolytic capacitor
Radiator temperature
User wiring
Injection cooling valve interface
Low temp. heating bypass valve interface
SW6
SW5
2
5
5
5
Buckle magnetic ring
Buckle magnetic ring
(Reserved)
External
inductance
(Reserved)
(Reserved)
Current freq(running)/Number of indoor
units(standby)
Outdoor unit capability:80/100/120/140/160/180
Operating Mode:
0 - Off/Fan 2 - Cooling
3 - Heating 4 - Forced cooling
Total capacity requirement of indoor unit
Actual capacity needs revised by outdoor unit
Actual running capability of outdoor unit
Fan speed
T2/T2B average temperature
T3 temperature outdoor condenser
T3B outdoor unit condenser central temperature
T4 outdoor air temperature
T5 exhaust temperature
T6 refrigerant cooling panel temperature
T7 refrigerant cooling inlet pipe temperature
EXV opening degree=insp display value X 8
Primary current
Secondary current
Primary voltage
Secondary voltage
Number of indoor units
Number of operating indoor units
Priority mode: 0-Auto 1-heating priority 2-cooling
priority 3-only heating 4-only cooling 5-VIP+auto
priority 6-First priority
Frequency limit display
Last failure or protection code
Program version
EEPROM version
Insp finished
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
26
27
28
29
30
E1
E8
E9
E10
E2
E4
E6
EA
EC
E.E
H0
Outdoor unit phase-sequence fault
Comm. fault between the indoor unit and the outdoor unit
T4 outdoor air temperature sensor fault
T3 Condenser pipe temperature sensor fault (outlet)
T3B condenser temperature sensor fault (middle)
T7 refrigerant cooling pipe inlet temperature sensor fault
T5 Exhaust temperature sensor fault
AC over-voltage / under-voltage protection
EEPROM fault
Model error(there is no dialing model in the EEOPROM)
H4
H5
H6
H7
H9
H10
H11
P1
P2
P3
P4
P5
P6
P9
P10
P11
P12
P13
L0
L1
L2
L4
L5
L7
L8
L9
Pb
Eb
Display P6 protection for 3 times within 30 minutes
Display P2 protection for 3 times within 30 minutes
Display P4 protection for 3 times within 100 minutes
The decrease in number of indoor unit
Display P9 protection for 2 times within 10 minutes
Display P3 protection for 3 times within 60 minutes
Display P13 protection for 2 times within 10 minutes
High pressure protection
Low pressure protection
inverter overcurrent protection
Exhaust overheating protection
T3B condenser pipe overheating protection
IPM protection
DC fan fault
Anti-typhoon protection
T2 high temperature protection
DC compressor module fault
DC cable bus low voltage protection
DC cable bus high voltage protection
MCE fault / sync / closed loop
Zero speed protection
Compressor phase loss protection
Protection when the speed change at the previous moment and
the latter moment is greater than or equal to 15HZ
Protection when the difference of set speed and actual operation
speed is greater than or equal to 15HZ
T6 refrigerant cooling panel temperature is too high
T6 refrigerant cooling panel temperature sensor fault or temperature protection
SW5 Switch No.
Silent mode
SW6 Dialing definition
Current detection error protection
Standard Mode
Strong
Silent Mode
Night
Silent Mode
High Static
Pressure Mode
1
2
OFF
ON
OFF
ON
OFF
OFF
ON
ON
SW5 Dialing definition
3
4
OFF
ON
OFF
ON
OFF
OFF
ON
ON
Night Time
6/10
6/12
8/10
8/12
OFF
OFF
OFF
OFF
OFF
ON
ON
ON
ON
ON
OFF
OFF
OFF
OFF
ON
ON
OFF
OFF
OFF
ON
ON
Priority Mode
Automatic
Selection
Heating
Cooling
Only respond
to heating
Only respond
to cooling
VIP+Automatic
First opened
3
3
3
L1-IN
L1-OUT
L2-IN
L2-OUT
TME-M
CN1/COMM.
Power Connection Block
Filter
Current Sensor
X.Y.E
P.Q.E
AC_OUT
CN6/CN24
T3/T3B
T5
EXV
SV2
SV3
4-WAY
T4
HP
LP
220V AC
HEAT
FAN1/FAN2
T7
T6
Parts Code
Parts Name
Parts Code
Parts Name
220V AC ETH
L
N
ON ON ON ON
OFF OFF OFF OFF
1 2 3 4
Communication fault of main chip and driver chip
T3 overheating protection
RD
BK
BK
RD
RD
BK
CHV Mini VRF 50/60Hz
P
ar
t 2
-
O
u
td
o
o
r
U
n
its
202105
21
Содержание CHV Mini Series
Страница 1: ...Commercial AirConditioners Service Manual R410A Series...
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