MCAC-VTSM-2016 02-
R410A All DC Inverter Mini VRF
15
Specifications & Performances
U
V
W
CAP1
R2
HEAT1
STF1
SV5
BLUE
Y/G
Y/G
CN65
CN64
CN67
CN66
CN68
SV6
CN17
IC201
CN205
CN19
CN41
CN11
CN6
CN8
CN9
CN10
CN22
CN201
A2
A1
ORANGE
5
4
1
2
3
D1
R1
CAP2
FAN-DOWN
Y/G
FAN-UP
Y/G
BLUE
BROWN
GND_2
CN30
CN31
CN32
L1
’
L2
’
L3
’
CN19(CN18)
CN18(CN19)
GND_1
POWER & FILTER BOARD
MAIN BOARD
U V
W
CN2
CN1
P
N(N_1)
CN5
IPM MODULE
BLUE
WHITE(BROWN)
RED
RED(BROWN)
RED
Y/G
BLACK
ZR1
RED
RED
RED
BLACK
BLACK
RED
BLACK
BLUE
BLUE
BLACK
BLACK
RED
BLUE
ORANGE
RED
L
IC201
CN250
BLACK
RED
BLUE(BROWN)
BLUE
RED
Specific fault code for P6
L0
L1
L2
L5
L9
L8
Display
Malfunction or Protection
L4
L7
DC generatrix low voltage protection
Module protection
DC generatrix high voltage protection
Phase sequence protection
Zero speed protection
MCE malfunction
Speed difference >15Hz protection between
the front and the back clock
Speed difference >15Hz protection between
the real and the setting speed
T4
T5
H-PRO
CN39
N
EEV.
CN39
POWER SUPPLY
BLACK
XT1
CT1
4
COMPRESSOR
CT1
COMP.
CAP1,CAP2
CAPACITOR
PTC1,PTC2
L
HEAT1
EEV.
FAN-UP,FAN-DOWN
KM1
H-PRO
L-PRO
HIGH PRESSURE SWITCH
LOW PRESSURE SWITCH
AC CONTACTOR
THERMAL RESISTOR
INDUCTOR
RECTIFIER
D1
OUTDOOR FAN MOTOR
CRANKCASE HEATER
ELECTRIC EXPANSIVE VALVE
R1,R2
STF1
T3
T5
T4
SV5,SV6
PIPE SENSORTEMPERATURE
OUTDOOR SENSORTEMPERATURE
RESISTANCE
XT1
XT2
5-WAY TERMINAL
6-WAY TERMINAL
COMPRESSOR DISCHARGE
TEMPERATURE SENSOR
4-WAY VALVE
AC CURRENT SENSOR
CODE
PART NAME
IC201
DC SENSCURRENT OR
ZR1
Voltage Dependent Resistor
Malfunction Code For Outdoor Unit
E2
E4
E5
E6
EA
P2
P8
Typhoon protection
P1
P3
P4
P5
Low-pressure protection
Hi-pressure protection
Compressor discharge protectiontemperature
2 times of E6 protection in 10 minutes
Display
Communication malfunction
between indoor/outdoor units
T3 &T4 temperature sensor
malfunction
Power voltage protection
Input current protection
Condenser high temperature protection
Malfunction or Protection
EEPROM malfunction
Fan Protection
A fan in the A region run for more than
5 minutes in Heat mode
E9
Eb
H4
Communication malfunction
betweem IR341/main board
PE
Indoor evaporator hi-temp protection
E7
Compressor discharge temperature
sensor malfunction
E.9.
F1
The bus voltage is less than 200V for 5S
Compressor signal error
BLUE(RED)
RED
RED(BLUE)
RED
PTC1
PTC2
RED
QUERY INSTRUCTIONS (SW2)
The capacity requirements
of the revised external unit
Operating fan speed grade
Operating mode
T4 environmert temperature
T5 discharge temperature
Normal display
The total capacity requirements
of the interior unit
T3 piping temperature
Opening degree of PMV
DC generatrix voltage
0
13
14
15
The quantities of the
operating interior units
Total quantities of
the interior units
19
The last fault or protection code
T2/T2B average temperature
16
Model
18
Display "--"
17
12
Display content
The surface temperature
Of the cooling fin
Display content
NO .
Actual current value
Priority mode
Version of the program
Display content
NO .NO .
SW1 SW2
*Note:
1 Force cooling function SW1
button on PCB is force cooling button.
Press once to enter into force cooling function;
Press twice force cooling function will be exit.
2
SW1
Check function SW2
button on PCB is check button.
LED will display the parameters sequently.
SW2
SW1 SW2
PL
Radiator temperature protection (Reserved)
T3
SOLENOILD VALVE
1
2
ON
1
2
ON
1
2
ON
1
2
ON
SW6
140
TYPE
Factory
Setting
Factory
Setting
120
160
180
According to related modelAccording
to
related
model
For Setting POWERFor
Setting
POWER
SW7_1
TYPE
Factory
Setting
Factory
Setting
Obtain net address
automatically
Obtain net address
manually
1
2
ON
1
2
ON
Undefined
SW7_2
TYPE
Factory
Setting
Factory
Setting
1
2
ON
1
2
ON
Clear indoor unit
net address
1
2
3
ON
TYPE
Factory
Setting
Factory
Setting
SW8
Undefined
1
2
3
ON
1
2
ON
1
2
ON
SW6
SW7
SW8
BLUE
ORANGE
BLUE
L-PRO
CN36CN36
L1
CN37
L2
CN38
L3
CN36CN36
CN37
CN38
BLUE
RED
CN36
NO
S
T
R
KM2
COM
BLUE
WHITE
RED
TO INDOOR
COMM. BUS
TO CCM.
COMM. BUS
XT2
Y/G
KM2
3-PHASE SEQUENCE
VOLTAGE PROTECTION RELAY
H0
3 times of L0 or L1 protection in 60 minutes
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