Midea MFA-96CRN1 User manual

MCAC-UTSM-2012-12 R410A 50Hz Tropical Split AC
1
Content
Part 1 General Information...........................................2
Part 2 Indoor Units........................................................6
Part 3 Outdoor Units...................................................91
Part 4 Installation ...................................................... 119
Part 5 Control ............................................................151

R410A 50Hz Tropical Split AC MCAC-UTSM-2012-12
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Part 1 General Information
1. Model Names of Indoor/Outdoor Units.............................3
2. External Appearance .........................................................4
3. Nomenclature.....................................................................5

MCAC-UTSM-2012-12 R410A 50Hz Tropical Split AC
3
1. Model Names of Indoor/Outdoor Units
1.1 Model Names of Units with Cooling only:
Type
Indoor unit
Outdoor unit
Capacity
Model
Power
supply
Model
Power
supply
kW
Btu/h
Floor-standing
type
MFA-76CRN1
220~240V-
1Ph-50Hz
MOV-76CN1-C
380~415V-
3N-50Hz
22
76
MFA-96CRN1
MOV-96CN1-C
28
96
Mid-static
pressure duct
type
MTA-76CRN1
MOV-76CN1-C
22
76
MTA-96CRN1
MOV-96CN1-C
28
96
MTA-120CRN1
MOV-120CN1-C
380~400V-
3N-50Hz
35
120
MTA-150CRN1
MOV-76CN1-C *2
380~415V-
3N-50Hz
44
150
High-static
pressure
duct type
MHB-76CRN1
MOV-76CN1-C
22
76
MHB-96CRN1
MOV-96CN1-C
28
96
1.2 Model Names of Units with Cooling and heating:
Type
Indoor unit
Outdoor unit
Capacity
Model
Power
supply
Model
Power
supply
kW
Btu/h
Floor-standing
type
MFA-76HRN1
220~240V-
1Ph-50Hz
MOV-76HN1-C
380~415V-
3N-50Hz
22
76
MFA-96HRN1
MOV-96HN1-C
28
96
Mid-static
pressure duct
type
MTA-76HRN1
MOV-76HN1-C
22
76
MTA-96HRN1
MOV-96HN1-C
28
96
MTA-120HRN1
MOV-120HN1-C
380~400V-
3N-50Hz
35
120
MTA-150HRN1
MOV-76HN1-C *2
380~415V-
3N-50Hz
44
150
High-static
pressure duct
type
MHB-76HRN1
MOV-76HN1-C
22
76
MHB-96HRN1
MOV-96HN1-C
28
96

R410A 50Hz Tropical Split AC MCAC-UTSM-2012-12
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2. External Appearance
2.1 Indoor Units
MTA-76C(H)RN1
MTA-96C(H)RN1
MFA-76C(H)RN1
MFA-96C(H)RN1
MTA-120CRN1＼MTA-120HRN1
MTA-150CRN1
2.2 Outdoor Unit
MOV-76C(H)N1-C
MOV-96C(H)N1-C
MOV-150C(H)N1-C (MOV-76C(H)N1-C*2)
MOV-120C(H)N1-C

MCAC-UTSM-2012-12 R410A 50Hz Tropical Split AC
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3. Nomenclature
3.1 Indoor unit:
3.2 Outdoor unit:
M TA –76 CRN1
None：R22；N1：R410a
R：Remote Controller
Function Code: C: Cooling
H: Cooling and Heating
Cooling Capacity (*76 kBtu/h)
Product Series
A: 1st time design
B: 2nd time design
Indoor Units
T: Duct type
F: Floor-standing type
H: High static pressure
Midea
Design times
None：R22；
N1：R410a
Function Code：
C: Cooling Only
H: Heat pump
Cooling Capacity (76 kBtu/h)
Universal Outdoor Unit
Outdoor Unit
Midea
MOV 76 CN1 - C

R410A 50Hz Tropical Split AC MCAC-UTSM-2012-12
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Part 2 Indoor Units
Duct Type ...............................................................................7
Floor-standing Type.............................................................59

MCAC-UTSM-2012-12 R410A 50Hz Tropical Split AC
7
Duct Type
1. Features..............................................................................8
2. Specifications ....................................................................9
3. Dimensions ......................................................................12
4. Service Space ..................................................................14
5. Piping Diagrams ..............................................................16
6. Wiring Diagrams ..............................................................16
7.Capacity Table...................................................................21
8. Static Pressure.................................................................34
9. Electric Characteristics...................................................37
10. Sound Levels .................................................................38
11. Exploded View................................................................39
12. Troubleshooting.............................................................50
13. Accessories....................................................................58

R410A 50Hz Tropical Split AC MCAC-UTSM-2012-12
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1. Features
1. Nested in the ceiling, space-saving and noble.
2. High capacity of cooling/heating, efficient, and energy-saving.
3. The air outlet is laid out according to you desire.
4. Economic and convenient installation
1) Several diffusers branch off from an indoor unit, adjusting the room temperature, which makes many
rooms to be air-conditioned with only one indoor unit.
2) All models feature thin design making them applicable to ceiling pocket that tends to be shallow
5. Way of air intake and inserting air filter
6. It is suitable be used for office, hospital, commercial place and home, the air conditioner will create the
comfortable and elegance environment for you.

MCAC-UTSM-2012-12 R410A 50Hz Tropical Split AC
9
2. Specifications
Model
MTA-76CRN1
MTA-76HRN1
MTA-96CRN1
MTA-96HRN1
Power supply
-
220~240V-1Ph-50Hz
220~240V-1Ph-50Hz
Temp. setting range
℃
17～32
20～27
17～32
20～27
Rated input power
W
11700
11700
14400
14400
Rated current
A
19.3
19.3
23.7
23.7
Cooling
Capacity
Btu/h
75100
75100
95600
95600
W
22000
22000
28000
28000
Input
W
7500
7500
9600
9600
EER
W/W
2.93
2.93
2.92
2.92
Heating
Capacity
Btu/h
/
85300
/
105800
W
/
25000
/
31000
Input
W
/
8300
/
10300
COP
W/W
/
3.01
/
3.01
Indoor air flow（Hi/Med/Lo）
m3/h
4250/3835/3485
4250/3835/3485
5100/4520/3980
5100/4520/3980
Indoor standard ESP(Hi)
Pa
100
100
100
100
Indoor noise level(Hi)
dB(A)
54
54
55
55
Refrigerant
Type
-
R410A
R410A
R410A
R410A
Control
-
Capillary
Capillary
Fan
Type
-
Centrifugal fan
Centrifugal fan
Centrifugal fan
Centrifugal fan
Dimension
mm
Φ307
Φ307
Φ307
Φ307
Drive type
-
Direct
Direct
Direct
Direct
Motor input* No.
W
446*2
446*2
725*2
725*2
Motor speed
rpm
877
877
1136
1136
Coil
Type
-
Copper tube and aluminum fin
Copper tube and aluminum fin
Tube size
mm
Φ9.52
Φ9.52
Φ9.52
Φ9.52
No. of rows
-
3
3
4
4
Fin per inch
FPI
17
17
17
17
Length* height
mm
1200*406.4
1200*406.4
1200*406
1200*406
Controller
-
Remote controller
Remote controller
Drain pipe size
mm
41
41
41
41
Dimension (W*H*D)
mm
1350*450*760
1350*450*760
1350*450*760
1350*450*760
Packing (W*H*D)
mm
1549*476*917
1549*476*917
1549*476*917
1549*476*917
Net/Gross weight
kg
105/120
105/120
105/120
105/120
Shipping Qty.(20’/40’/40’HQ)
pcs.
30/64/64
30/64/64
30/64/64
30/64/64
Notes:
1. ESP: external static pressure
2. Nominal cooling capacities are based on the following conditions:
Indoor temp: 27°CDB, 19°CWB; Outdoor temp: 35°CDB, 24°C WB; Equivalent refrigerant piping: 7.5m (horizontal).
3. Nominal heating capacities are based on the following conditions:
Indoor temp: 20°CDB, 15°C WB; Outdoor temp: 7°CDB, 6°CWB; Equivalent refrigerant piping: 7.5m (horizontal).

R410A 50Hz Tropical Split AC MCAC-UTSM-2012-12
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Model
MTA-120CRN1
MTA-120HRN1
MTA-150CRN1
MTA-150HRN1
Power supply
-
220~240V-1Ph-50Hz
220~240V-1Ph-50Hz
Temp. setting range
℃
17～32
20～27
17～32
20～27
Rated input power
W
17300
17300
21200
21200
Rated current
A
28.6
28.6
35
35
Cooling
Capacity
Btu/h
119400
119400
150100
150100
W
35000
35000
44000
44000
Input
W
12000
12000
15100
15100
EER
W/W
2.92
2.92
2.91
2.91
Heating
Capacity
Btu/h
/
129700
/
160300
W
/
38000
/
47000
Input
W
/
12600
/
15700
COP
W/W
/
3.02
/
3
Indoor air flow（Hi/Med/Lo）
m3/h
6375/5710/5040
6375/5710/5040
7650/6920/6320
7650/6920/6320
Indoor standard ESP(Hi)
Pa
150
150
150
150
Indoor noise level(Hi)
dB(A)
56
56
56
56
Refrigerant
Type
-
R410A
R410A
R410A
R410A
Control
-
Capillary
Capillary
Fan
Type
-
Centrifugal fan
Centrifugal fan
Centrifugal fan
Centrifugal fan
Dimension
mm
Φ307
Φ307
Φ307
Φ307
Drive type
-
Direct
Direct
Direct
Direct
Motor input * No.
W
498*3
498*3
630*3
630*3
Motor speed
rpm
860
860
1202
1202
Coil
Type
-
Copper tube and aluminum fin
Copper tube and aluminum fin
Tube size
mm
Φ7
Φ7
Φ7
Φ7
No. of rows
4
4
4
4
Fin per inch
FPI
17
17
17
17
Length* height
mm
1602*588
1602*588
1602*588
1602*588
Controller
-
Remote controller
Remote controller
Drain pipe size
mm
41
41
41
41
Dimension (W*H*D)
mm
1828*638*858
1828*638*858
1828*638*858
1828*638*858
Packing (W*H*D)
mm
2095*689*929
2095*689*929
2095*689*929
2095*689*929
Net/Gross weight
kg
188/220
188/220
188/200
188/200
Shipping Qty per (20'/40'/40'HD)
pcs
19/42/46
19/42/46
19/42/46
19/42/46
Notes:
1. ESP: external static pressure
2. Nominal cooling capacities are based on the following conditions:
Indoor temp: 27°CDB, 19°CWB; Outdoor temp: 35°CDB, 24°C WB; Equivalent refrigerant piping: 7.5m (horizontal).
3. Nominal heating capacities are based on the following conditions:
Indoor temp: 20°CDB, 15°C WB; Outdoor temp: 7°CDB, 6°CWB; Equivalent refrigerant piping: 7.5m (horizontal).

MCAC-UTSM-2012-12 R410A 50Hz Tropical Split AC
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Model
MHB-76CRN1
MHB-76HRN1
MHB-96CRN1
MHB-96HRN1
Power supply
-
220~240V-1Ph-50Hz
220~240V-1Ph-50Hz
Temp. setting range
℃
17～32
20～27
17～32
20～27
Rated input power
W
11700
11700
14400
14400
Rated current
A
19.3
19.3
23.7
23.7
Cooling
Capacity
Btu/h
75100
75100
95500
95500
W
22000
22000
28000
28000
Input power
W
7500
7500
9600
9600
EER
W/W
2.93
2.93
2.92
2.92
Heating
Capacity
Btu/h
/
85300
/
105800
w
/
25000
/
31000
Input power
W
/
8300
/
10300
COP
W/W
/
3.01
/
3.01
Indoor air flow (Hi/Med/Lo)
m3/h
4250/3620/3025
4250/3620/3025
5100/4580/3980
5100/4580/3980
Indoor standard ESP(Hi)
Pa
196
196
196
196
Indoor noise level (Hi)
dB(A)
53
53
54
54
Refrigerant
Type
-
R410A
R410A
R410A
R410A
Control
-
Capillary
Capillary
Fan
Type
-
Centrifugal fan
Centrifugal fan
Centrifugal fan
Centrifugal fan
Dimension
mm
Φ307
Φ307
Φ307
Φ307
Drive type
-
Direct
Direct
Direct
Direct
Motor input* No.
W
663*2
663*2
788*2
788*2
Motor speed
rpm
1022/871/758
1022/871/758
1135/983/845
1135/983/845
Coil
Type
-
Copper tube and aluminum fin
Copper tube and aluminum fin
Tube size
mm
Φ9.52
Φ9.52
Φ9.52
Φ9.52
No. of rows
-
3
3
4
4
Fin per inch
FPI
17
17
17
17
Length*Height
mm
1200*406.4
1200*406.4
1200*406
1200*406
Controller
-
Remote controller
Remote controller
Drain pipe size
mm
41
41
41
41
Dimension (W*H*D)
mm
1350*450*760
1350*450*760
1350*450*760
1350*450*760
Packing (W*H*D)
mm
1549*476*917
1549*476*917
1549*476*917
1549*476*917
Net/Gross weight
kg
105/120
105/120
105/120
105/120
Shipping Qty per (20'/40'/40'HD)
pcs
30/64/64
30/64/64
30/64/64
30/64/64
Notes:
1. ESP: external static pressure
2. Nominal cooling capacities are based on the following conditions:
Indoor temp: 27°CDB, 19°CWB; Outdoor temp: 35°CDB, 24°C WB; Equivalent refrigerant piping: 7.5m (horizontal).
3. Nominal heating capacities are based on the following conditions:
Indoor temp: 20°CDB, 15°C WB; Outdoor temp: 7°CDB, 6°CWB; Equivalent refrigerant piping: 7.5m (horizontal).

R410A 50Hz Tropical Split AC MCAC-UTSM-2012-12
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3. Dimensions
3.1 MTA-76C(H)RN1, MTA-96C(H)RN1, MHB-76C(H)RN1, MHB-96C(H)RN1

MCAC-UTSM-2012-12 R410A 50Hz Tropical Split AC
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3.2 MTA-120C(H)RN1

R410A 50Hz Tropical Split AC MCAC-UTSM-2012-12
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3.3 MTA-150C(H)RN1

MCAC-UTSM-2012-12 R410A 50Hz Tropical Split AC
15
4. Service Space
Electric control box
Inspection hole
≥600mm≥500mm
Top view Side view
Inspection
Canvas adapter
Muffle
Air outlet Air inlet
Air filter
hole
Muffle
Air duct system

R410A 50Hz Tropical Split AC MCAC-UTSM-2012-12
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5. Refrigerant cycle diagram
5.1 Cooling only: MTA-76CRN1, MTA-96CRN1, MTA-120CR N1, MTA-150CR N1
MHB-76CRN1, MHB-96CRN1
Discharge temp. sensor
HP Switch
Compressor
Liquid-gas seperator
Outdoor heat-exchanger
Stopvalve Stopvalve
Indoor unit
LP Switch
T4
T2
T3
Cooling
Indoor
heat-exchanger
5.2 Cooling and heating: MTA-76HRN1, MTA-96HRN1, MTA-120HRN1
MHB-76HRN1, MHB-96HRN1
Discharge temp. sensor
HP Switch
Compressor
4-way valve
Liquid-gas seperator
Outdoor heat-exchanger
Stopvalve Stopvalve
Indoor unit
Checkvalve
LP Switch
T4
T2
T3
Heating
Cooling
Indoor
heat-exchanger
Capillary
Capillary

MCAC-UTSM-2012-12 R410A 50Hz Tropical Split AC
17
6. Wiring Diagrams
6.1 MTA-76CRN1, MTA-96CRN1, MHB-76CRN1, MHB-96CRN1
INDOOR POWER
YELLOW
GREEN
BROWN BLUE
RED
BLUE
RED
WHITE
RED RED
WHITE
SLOW
HIGH
LOW
BLUE
TO OUTDOOR
BLACK YELLOW RED
WHITE
BLUE
Y/G
BLACK
RED
WHITE
BLUE
Y/G
MAIN CONTROL BOARD
WHITE
(GRAY)
WHITE
(GRAY)
CN20 CN7 CN3 CN2 CN1
CN8
CN11 CN10 CN15
TO WIRE
CONTROLLER
RL1 RL2 RL3
BLUE
RED
BROWN BROWN BROWN BROWN BROWN BROWN
YELLOW
BLACK
BLACK
RED
BLUE
YELLOW
Y/G
RED
WHITE
BLUE
BLUE
N-LINE
RED
BLACK
Item
Name
Item
Name
Item
Name
CAP1-CAP2
Indoor fan cap
CN1-3,CN7,CN8, CN10,
CN11,CN15,CN20
PCB sockets
T4
Transformer
FAN1-FAN2
Indoor fan
RT1
Room temp.
sensor
RT2
Pipe temp.
sensor
XP1
Connector
XS1
Connector
XT1
7-way terminal
XT2,XT3
Mid terminal
RL1,RL2,RL3
Relay
-
-

R410A 50Hz Tropical Split AC MCAC-UTSM-2012-12
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6.2 MTA-120CRN1, MTA-150CRN1
INDOOR POWER
BLACK
YELLOW
YELLOW
GREEN
BROWN
BLUE
RED
BLUE
RED
RED
WHITE
RED RED
WHITE
WHITE
(GRAY)
WHITE
SLOW
HIGH
LOW
BLUE BLUE
RED
TO OUTDOOR
Y/G
BLACK
YELLOW
RED
WHITE
BLUE
Y/G
BLACK
RED
WHITE
BLUE
Y/G
MAIN CONTROL BOARD
WHITE
(GRAY)
WHITE
(GRAY)
CN20 CN7 CN3 CN2 CN1
CN8
CN11 CN10 CN15
TO WIRE
CONTROLLER
RL1 RL2 RL3
BLUE
RED
BROWN BROWN BROWN BROWN BROWN BROWN
BLUE
YELLOW
BLACK
BLACK RED
RED
BLUE
BLUE
YELLOW
YELLOW
Y/G
WHITE
RED
BLACK
Item
Name
Item
Name
Item
Name
CAP1-CAP3
Indoor fan cap
CN1-3,CN7,CN8,
CN10,CN11,CN15,CN20
PCB sockets
T4
Transformer
FAN1-FAN3
Indoor fan
RT1
Room temp.
sensor
RT2
Pipe temp.
sensor
XP1
Connector
XS1
Connector
XT1
7-way terminal
XT2,XT3
Mid terminal
RL1,RL2,RL3
Relay
-
-

MCAC-UTSM-2012-12 R410A 50Hz Tropical Split AC
19
6.3 MTA-76HRN1, MTA-96HRN1, MHB-76HRN1, MHB-96HRN1
INDOOR POWER
YELLOW
GREEN
BROWN
BLUE
RED
BLUE
RED
WHITE
RED RED
WHITE
SLOW
HIGH
LOW
RED
TO OUTDOOR
BLACK YELLOW RED
WHITE
BLUE
Y/G
BLACK
RED
WHITE
BLUE
Y/G
MAIN CONTROL BOARD
WHITE
(GRAY)
WHITE
(GRAY)
CN20 CN7 CN3 CN2 CN1
CN8
CN11 CN10 CN15
TO WIRE
CONTROLLER
RL1 RL2 RL3
BLUE
RED
BROWN BROWN BROWN BROWN BROWN BROWN
YELLOW
BLACK RED
BLUE
YELLOW
Y/G
WHITE
RED
BLUE
BLUE
BLUE
N-LINE
BLACK
BLACK
YELLOW
BLACK
Item
Name
Item
Name
Item
Name
CAP1-CAP2
Indoor fan cap
CN1-3,CN7,CN8,
CN10,CN11,CN15,CN20
PCB sockets
T4
Transformer
FAN1-FAN2
Indoor fan
RT1
Room temp.
sensor
RT2
Pipe temp.
sensor
XP1
Connector
XS1
Connector
XT1
7-way terminal
XT2,XT3
Mid terminal
RL1,RL2,RL3
Relay
-
-

R410A 50Hz Tropical Split AC MCAC-UTSM-2012-12
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6.4 MTA-120HRN1
INDOOR POWER
BLACK
YELLOW
YELLOW
GREEN
BROWN
BLUE
RED
BLUE
RED
RED
WHITE
RED RED
WHITE
WHITE
(GRAY)
WHITE
SLOW
HIGH
LOW
BLUE BLUE
RED
TO OUTDOOR
Y/G
BLACK
YELLOW
RED
WHITE
BLUE
Y/G
BLACK
RED
WHITE
BLUE
Y/G
MAIN CONTROL BOARD
WHITE
(GRAY)
WHITE
(GRAY)
CN20 CN7 CN3 CN2 CN1
CN8
CN11 CN10 CN15
TO WIRE
CONTROLLER
RL1 RL2 RL3
BLUE
RED
BROWN BROWN BROWN BROWN BROWN BROWN
BLUE
YELLOW
BLACK
BLACK RED
RED
BLUE
BLUE
YELLOW
YELLOW
Y/G
WHITE
RED
BLACK
Item
Name
Item
Name
Item
Name
CAP1-CAP3
Indoor fan cap
CN1-3,CN7,CN8,
CN10,CN11,CN15,CN20
PCB sockets
T4
Transformer
FAN1-FAN3
Indoor fan
RT1
Room temp.
sensor
RT2
Pipe temp.
sensor
XP1
Connector
XS1
Connector
XT1
7-way terminal
XT2,XT3
Mid terminal
RL1,RL2,RL3
Relay
-
-