mundoclima MUCHR-75-H7T User manual

English
CL21532-CL21533
HIGH PRESSURE DUCT SERIE H7
www.mundoclima.com
Thank you very muchfor purchasing our products.
Please read thismanual carefully beforeinstalling
and using the unit.
Service manual
MUCHR-75-H7T
MUCHR-96-H7T

1
Content
Part. 1 General information...............................................2
Part. 2 Indoor Unit..............................................................5
Part. 3 Outdoor Unit.........................................................13
Part. 4 Installation & Troubleshooting...........................25
Part. 5 Controller..............................................................53
Service manual
MUCHR-96-H7T
MUCHR-75-H7T

2
Part. 1 General information
1. Model Names of Indoor/Outdoor Units .............................3
2. External Appearance ..........................................................3
3. Nomenclature......................................................................4
Service manual
MUCHR-96-H7T
MUCHR-75-H7T

3
1. Model Names of Indoor/Outdoor Units
Type
Indoor unit
Outdoor unit
Model
Power supply
Model
Power supply
Hi-static
pressure duct
type
220-240V~, 1Ph,
50Hz
380-415V~, 3Ph,
50Hz
Hi-static
pressure duct
type
220-240V~, 1Ph,
50Hz
380-415V~, 3Ph,
50Hz
2. External Appearance
2.1 Indoor units
2.2 Outdoor unit
Service manual
MUCHR-96-H7T
MUCHR-75-H7T
MUCHR-75-H7T-I
MUCHR-96-H7T-I
MUCHR-75-H7T-E
MUCHR-96-H7T-E
MUCHR-75-H7T-E / MUCHR-96-H7T-E
MUCHR-75-H7T-I / MUCHR-96-H7T-I

4
3. Nomenclature
3.1 Indoor unit
MU CH R
96 H
- I
I: Indoor unit
Serie
:
Serie 7
H: Heat pump
Nominal cooling capacity (96×1,000Btu/h)
R: Super DC inverter
CH:High static pressure duct type
M: Mundoclima
3.2 Outdoor unit
Service manual
MUCHR-96-H7T
MUCHR-75-H7T
MU CH R
–
96 H
7 T E
E: Outdoor unit
T: 380-415 Vac 3 Phase, 50 Hz
Serie
:
Serie 7
H: Heat pump
Nominal cooling capacity (96×1,000Btu/h)
R: Super DC inverter
CH:High static pressure duct type
M: Mundoclima
7 T
–
–
–
–

5
Part. 2 Outdoor Unit
1. Specifications....................................................................6
2. Dimension (Unit:mm) ........................................................7
3. Refrigerant circuit .............................................................8
4. Wiring Diagrams................................................................9
5. Electric Characteristics................................................... 11
6. Sound Levels ...................................................................12
7. Accessories .....................................................................12
Service manual
MUCHR-96-H7T
MUCHR-75-H7T

6
1. Specifications
Model
\
Power supply
V, Ph,
Hz
380-415V~, 3Ph, 50Hz
380-415V~, 3Ph, 50Hz
Ambient temp in cooling
°C
-15～48
-15～48
Ambient temp in heating
°C
-15~24
-15~24
Rated input (Whole units)
W
11,700
11,100
Rated current (Whole units)
A
16
15
Compressor
Model
\
LNB53FCAMC
LNB53FCAMC
Type
\
Rotary
Rotary
Brand
\
MITSUBISHI
MITSUBISHI
Quantity
\
1
1
Capacity
kW
16.86
16.86
Input
kW
5.2
5.2
Crankcase heater
W
25
25
Refrigerant oil type
\
FV50S
FV50S
oilRefrigerant
charge
mL
1700 + 1500
1700+1500
Outdoor fan motor
Model
\
WZDK170-38G-1
WZDK170-38G-1
Type
\
DC
DC
Quantity
\
2
2
Brand
\
Panasonic
Panasonic
Insulation class
\
E
E
Safe class
\
IP × 4
IP×4
Input
W
250(up)/185(down)
240(up)/175(down)
Output
W
200(up)/150(down)
190(up)/140(down)
Rated current
A
1.7(up)/1.4(down)
1.6(up)/1.3(down)
Outdoor fan
Material
\
Plastic
Plastic
Type
\
Axial fan
Axial fan
Quantity
\
2
2
Diameter
mm
560
560
Height
mm
170
170
Outdoor coil
Number of rows
\
2
2
pitch(a)×rowTube
pitch(b)
mm
21 × 19.4
21×19.4
Fin spacing
mm
1.5
Fin type
\
Hydrophilic fin
1.5
outsideTube
diameter
mm
Ф7
Hydrophilic fin
Tube type
\
Inner groove tube
Ф7
Length × height
mm
1080 x 756
Inner groove tube
Number of circuits
\
18
1080 x 756
Outdoor air flow
m3/h
9800
9400
Sound pressure level
dB(A)
59
58
Outdoor unit
Net
mm
1120×1558×528
1120×1558×528
Service manual
MUCHR-96-H7T
MUCHR-75-H7T
MUCHR-96-H7T-E MUCHR-75-H7T-E

7
dimension(W×D×H)
Packing
dimension(W×D×H)
mm
1270×1720×565
1270×1720×565
Net/Gross weight
kg
148/164
147/163
Refrigerant
Type
\
R410a
R410A
Factory charged
kg
7.2
7.2
Throttle type
\
Electronic expansion valve
Design pressure (Hi/Lo)
MPa
4.4/2.6
Refrigerant piping
Liquid pipe
mm
Ф9.53
Gas pipe
mm
Ф25.4
Note:
1.The nominal cooling capacity is based on the following conditions: Indoor temperature, 27°C DB, 19°C WB; Outdoor temperature, 35°C
DB, 24°C WB.
2.The nominal heating capacity is based on the following conditions: Indoor temperature, 20°C DB, 15°C WB; Outdoor temperature, 7°C
DB, 6°C WB
3.The noise is measured in the semi noise suppression lab.
4.Specifications are subject to change without prior notice for product improvement.
2. Dimension (Unit: mm)
1558
1120
Service manual
MUCHR-96-H7T
MUCHR-75-H7T

8
3. Refrigerant circuit
High pressure
switch
Oil seperator
Oil return
capilary
Compressor
Low pressure
switch Low pressure liquid
accumulator can
Condensor
High pressure
liquid
accumulator
can
Electronic
expansion
valve
Evaporator
SV5
SV6
668 206
440
400
528 494
Service manual
MUCHR-96-H7T
MUCHR-75-H7T

9
4. Wiring Diagrams
Service manual
MUCHR-96-H7T
MUCHR-75-H7T

10
Dial-up function definition
S5 function definition
S6 function definition
1 2 3
S5
ON
Heating priority mode
(set by factory default)
1 2
S6
ON
Automatic addressing
1 2 3
S5
ON
Cooling priority mode
1 2
S6
ON
Non-automatic addressing
(set by factory default)
1 2 3
S5
ON
Initial-start priority mode
1 2
S6
ON
Clear indoor unit address
1 2 3
S5
ON
Heating only mode
1 2 3
S5
ON
Cooling only mode
ENC2 function definition (Dial-up cannot be
changed)
ENC3 function definition
E N C 2
Indoor unit capacity
dial-up
E N C 3
Outdoor unit network
address dial-up
0: 8HP (25.2kW/26kW)
1: 10HP (28kW)
F: 7HP (22.4kW)
0-F indicates 0-15
Code
Name
Code
Name
COMP.
Inverter compressor
T5
Inverter compressor discharge
temperature sensor
FAN-UP,
FAN-DOWN
Fan motor
KM(B)
Contactor
STF1
4-way valve
E1, E2
Filter capacity
SV(2,4,5,6,7)
Solenoid valve
R1, R2
Cement resistor
EEV
Electric expansion valve
PTC
Thermal resistor
HEAT1
Crankcase heating
XT2
Big 4-phase terminal
L-PRO
Pipeline low pressure switch
L-3
Reactor
H-PRO
Pipeline high pressure switch
CT1, IC201
Current instrument transformer
K1
Discharge temperature switch
BD-1
Bridge rectifier
XS1-XS2, XP1-XP2
Middle terminal
ZR10
Varistor
T3
Piping temperature sensor
C1, C2
Ferrite core
T4
Outdoor ambient temperature sensor
Service manual
MUCHR-96-H7T
MUCHR-75-H7T

11
C
ontents displayed by DSP2
H0
COMM. Fault between
IR
341 and main chip
.
H1
COMM. Fault between communication chip and main chip.
H4
3 times of P6 protection in 30 minutes.
H5
3 times of P2 protection in 30 minutes.
H7
The number of indoor units decreases.
H8
Reserved.
HF
M-HOME for the indoor and outdoor units does not match.
E1
Reserved.
E2
Communication fault between the outdoor and indoor units.
E4
T3 & T4 temperature sensor fault.
E5
Voltage protection fault or a leak of Phase B, Phase N.
E6
DC fan motor fault.
E7
D
ischarge temperature sensor fault.
EA
A fan in the A region run for more than 5 minutes in Heating mode.
Eb
2 times of E6 protection in 10 minutes.
P0
I
nverter compressor top high temperature
protection.
P1
High pressure protection.
P2
Low pressure protection.
P3
Outdoor input current protection.
P4
Compressor discharge high temperature protection.
P5
O
utdoor condenser high temperature protection.
P6
Inverter module protection.
P8
Typhoon protection.
PE
E
vaporator high temperature protection.
5. Electric Characteristics
Model
Outdoor Unit
Power Supply
Compressor
OFM
Hz
Voltage
Min.
Max.
MCA
TOCA
MFA
MSC
RLA
KW
FLA
50
380-415V
342V
440V
/
23
40
/
15.4
0.17
1.7
50
380-415V
342V
440V
/
23
40
/
15.4
0.17
1.7
Note:
MCA: Min. Current Amps. (A)
TOCA: Total Over-
current Amps. (A)
MFA: Max. Fuse Amps. (A)
MSC: Max. Starting
Amps. (A)
RLA: Rated Locked Amps. (A)
OFM: Outdoor Fan Motor
FLA: Full Load Amps. (A)
KW: Rated Motor Output (kW)
Service manual
MUCHR-96-H7T
MUCHR-75-H7T
MUCHR-96-H7T-E
MUCHR-75-H7T-E

12
6. Sound Levels
Unit Number
Model
Noise level under three speeds of fan (dB(A))
1
59
1
58
7. Accessories
Accessory name of outdoor unit
Qty.
Purpose
Connection pipe
1
Connecting pipe of system
Curved connection pipe
1
1m 1.3m
Front
Service manual
MUCHR-96-H7T
MUCHR-75-H7T
MUCHR-96-H7T-E
MUCHR-75-H7T-E

13
Part. 3 Indoor Unit
1.Features..............................................................................14
2.Specifications ....................................................................15
3.Dimensions (Unit: mm)......................................................16
4.Wiring Diagrams ................................................................17
5.Capacity Table....................................................................20
6.Static Pressure Curve........................................................21
7.Electric Characteristics .....................................................22
8.Sound Levels .....................................................................22
9. Accessories.......................................................................23
Service manual
MUCHR-96-H7T
MUCHR-75-H7T

14
INDOOR UNIT
Air supply
Air return
1.Features
1.1 Compact design & convenient installation
Convenient installation, hidden in the ceiling, unit installation is not hindered by the location of lighting fixtures or
room structure.
Air inlet and outlet flanges are standard and easy for duct connection.
1.2 External static pressure
Three speed fan motor.
External static pressure is up to 150Pa.
The indoor air flow is up to 4800m3/h.
1.3 Flexible duct design for different room styles
Multi diffusers from one indoor unit supply airflow to multi rooms at the same time. The unit is suitable for
various applications, such as restaurants, connect halls and hotels.
1.4 High efficient DC fan motor
High energy efficient thanks to the DC fan motor.
Contrast with the AC fan motor, the power consumption of DC fan
motor can reduce up to 50%.
1.5 Optimized electronic control board
Equipped with remote ON/OFF and remote Alarm connection
terminal.
Compatible with central controller CCM03/CCM30.
Equipped with a fresh air fan motor joint control terminal.
inspection port indoor unit
Service manual
MUCHR-96-H7T
MUCHR-75-H7T

15
2.Specifications
Model
Power supply
V, Ph, Hz
220~240V,1Ph,50Hz
220~240V,1Ph,50Hz
Cooling
Capacity
W
28,000
22,400
Input
W
9,000
7,200
EER
W/W
3.11
3.11
Heating
Capacity
W
31,500
24,500
Input
W
8,500
6,600
COP
W/W
3.71
3.17
Rated input
W
850
850
Rated current
A
4.5
4.5
fanIndoor
motor
Model
\
WZDK750-38GS-W
WZDK750-38GS-W
Brand
\
Panasonic
Panasonic
Quantity
\
1
1
Speed
r/min
1200/1160/1090
1200/1160/1090
Indoor coil
Number of rows
\
4
4
Tube pitch(a)×row pitch(b)
mm
25.4×22
25.4×22
Fin spacing
mm
1.5
1.5
Fin type
\
Hydrophilic aluminum
fin
Hydrophilic aluminum
fin
Tube size
mm
Ф9.52
Ф9.52
Tube type
\
Inner grooved copper
pipe
Inner grooved copper
pipe
Coil(W×H)
mm
1,202×457.2
1,202×457.2
Number of circuits
\
18
18
Indoor air flow
m3/h
3000~4800
3000~4800
External static pressure
Pa
0~150
0~150
Indoor noise level
dB(A)
49~52
49~52
Refrigerant
\
R410A
R410A
Design pressure
MPa
4.4/2.6
4.4/2.6
Refrigerant
pipe
Liquid side / Gas side
mm
Ф9.52/Ф25.4
Ф9.52/Ф25.4
Max. refrigerant pipe length
m
50
50
Max. difference in level (Outdoor upper)
m
25
25
Max. difference in level (Outdoor lower)
m
30
30
Connection
wire
Power wire
\
5×4.0mm2(outdoor),
3×2.5mm2(indoor)
5×4.0mm2(outdoor),
3×2.5mm2(indoor)
Signal wire
\
3×0.75mm2
3×0.75mm2
Drain pipe size (OD)
mm
Ф31(outdoor), Ф33(indoor)
Controller
\
KJR-29B1/BK-E (Wired controller)
Operation temperature
°C
17～30
Indoor unit
Dimension (W x H x D)
mm
1,470×512×775
1,470×512×775
Packing (W x H x D)
mm
1,555×545×875
1,555×545×875
Net/Gross weight
kg
83/92
83/92
Note:
1. The nominal cooling capacity is based on the following conditions.
Indoor temperature: 27°C DB, 19°C WB; Outdoor temperature: 35°C DB, 24°C WB.
2. The nominal heating capacity is based on the following conditions.
Indoor temperature: 20°C DB, 15°C WB; Outdoor temperature: 7°C DB, 6°C WB
3. The noise is measured in the semi noise suppression lab.
4. Specifications are subject to change without prior notice for product improvement.
Service manual
MUCHR-96-H7T
MUCHR-75-H7T
MUCHR-96-H7T-I MUCHR-75-H7T-I

16
3.Dimensions (Unit: mm)
Air outlet duct connection screw hole location diagram
Return air duct rivet screw hole location diagram
122
194
194
272 272
254
390
1138
Service manual
MUCHR-96-H7T
MUCHR-75-H7T

17
4.Wiring Diagrams
Service manual
MUCHR-96-H7T
MUCHR-75-H7T

18
Error Code & Indication
Mode Conflict
Defrost_LED Flash or Show [E0]
Communication Error Between Indoor and Outdoor Unit
Time_LED Flash or Show [E1]
Temp. sensor (T1) Error
Run_LED Flash or Show [E2]
Temp. sensor (T2) Error
Run_LED Flash or Show [E3]
Temp. sensor (T2B) Error
Run_LED Flash or Show [E4]
Fan Protection
Time_LED Flash Slowly or Show [E6]
EEprom Error
Defrost_LED Flash Slowly or Show [E7]
Outdoor Unit Error
Alarm_LED Flash Slowly or Show [Ed]
Water Level Error
Alarm_LED Flash or Show [EE]
CODE
TITLE
C.S
WATER LEVEL SWITCH
EEV.
EXPANSION VALVE
T1
ROOM TEMP.
T2B
OUTER PIPE TEMP.
T2
MIDDLE PIPE TEMP.
PUMP
PUMP MOTOR
XP2-6
CONNECTOR
XS2-6
CONNECTOR
XT1-3
TERMINAL
BD-1
BRIDGE RECTIFIER
Function setting indication
For Setting Power
ENC1
Code
0
1
2
3
POWER
8HP
10HP
12HP
14HP
Factory setting
According to related model
For Setting Static Pressure
ENC2
Code
0
1
2
3
POWER
0~50
51~80
81~120
121~150
Factory setting
For Setting Anti Cold Air Mode
SW2
TYPE
15℃
20℃
24℃
26℃
Factory Setting
Service manual
MUCHR-96-H7T
MUCHR-75-H7T

19
For Setting TERMINAL Fan ON/OFF Interval
SW3
TYPE
2min
4min
6min
Fan Running
Factory Setting
For Heat Mode Temp. Compensation
SW4
TYPE
6℃
2℃
4℃
0℃
Factory Setting
SW6-1
TYPE
Digital Tube Display Board
(New Display Board)
LED Indication Display Board
(Old Display Board)
Factory Setting
SW6-2
SW6-3
SW6-4
TYPE
RESERVED
Factory Setting
For Setting Auto-Restart
J1
Mode
Auto
Non-auto
Factory Setting
For Setting Auto-Restart
J2
Mode
One for One
Multi Split
Factory Setting
Service manual
MUCHR-96-H7T
MUCHR-75-H7T