mundoclima MVD-56Q4DN1 User manual

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M
V
D
DC
2
Cassette 4 Vías
Service manual
English
CL23514 to CL23519

201809 3
Four-way Cassette
1 Specifications ............................................................................................. 4
2 Dimensions ................................................................................................ 7
3 Unit Placement .......................................................................................... 8
4 Piping Diagram......................................................................................... 10
5 Wiring Diagram ........................................................................................ 11
6 Capacity Tables......................................................................................... 14
7 Electrical Characteristics........................................................................... 20
8 Sound Levels ............................................................................................ 21
9 Error codes............................................................................................... 23
The 2nd Generation DC Series VRF Indoor Units

The 2nd Generation DC Series VRF Indoor Units
4 201809
1Specifications
Table 1.1: MVD-56(71, 80)Q4DN1 specifications
Model MVD-56Q4DN1 MVD-71Q4DN1 MVD-80Q4DN1
Power supply 1 phase, 220-240V, 50Hz
Cooling1
Capacity kW 5.6 7.1 8.0
kBtu/h 19.1 24.2 27.3
Power input W 60 70 96
Heating2Capacity kW 6.3 8.0 9.0
kBtu/h 21.5 27.3 30.7
Power input W 60 70 96
Fan motor
Model ZKSP-80-8-2
Type DC motor
Brand Nidec/Welling /Yongan
Speed3r/min
450/440/410/380
/370/360/330
490/470/440/410
/400/380/350
590/560/530/490
/460/430/400
Indoor coil
Number of rows 2
Tube pitch × row pitch mm 21×13.37
Fin spacing mm 1.5
Fin type Hydrophilic aluminum
Tube OD and type mm Ф7 Inner-groove
Dimensions (L×H×W) mm 1961×168
Number of circuits 8
Air flow rate3m
3/h 893/866/804/744/714
/698/635
977/937/864/800/778
/738/671
1203/1131/1064/977
/912/840/774
Sound pressure level4dB(A) 35/34/31/31/30/28/26 35/35/34/31/30/28/27 36/35/34/31/31/29/28
Sound power level dB(A) 50/49/47/47/45/42/40 50/49/47/47/45/42/41 52/49/48/46/46/42/42
Main body
Net dimensions5(W×H×D) mm 840×230×840
Packed dimensions (W×H×D) mm 955×260×955
Net/Gross weight kg 23.2/27.6
Panel
Net dimensions (W×H×D) mm 950×54.5×950
Packed dimensions (W×H×D) mm 1035×90×1035
Net/Gross weight kg 5/8
Refrigerant type R410A
Throttle Type Electronic expansion valve
Model D20MISZ-1R(L)
Design pressure (H/L) MPa 4.4/2.6
Pipe connections Liquid/Gas pipe mm Ф9.53/Ф15.9
Drain pipe mm OD Φ32
Notes:
1. Indoor temperature 27°C DB, 19°C WB; outdoor temperature 35°C DB; equivalent refrigerant piping length 7.5m with zero level difference.
2. Indoor temperature 20°C DB; outdoor temperature 7°C DB, 6°C WB; equivalent refrigerant piping length 7.5m with zero level difference.
3. Fan motor speed and air flow rate are from the highest speed to the lowest speed, total 7 rates for each model.
4. Sound pressure level is from highest level to lowest level, total 7 levels for each model. Sound pressure level is measured 1.4m below the unit in a
semi-anechoic chamber.
5. Unit body dimensions given are the largest external dimensions of the unit, including hanger attachments.

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Table 1.2: MVD-90(100)Q4DN1 specifications
Model MVD-90Q4DN1
Power supply 1 phase, 220-240V, 50Hz
Cooling1
Capacity
kW 9.0
kBtu/h 30.7
Power input W 100
Heating2
Capacity kW 10.0
kBtu/h 34.1
Power input W 100
Fan motor
Model ZKSP-170-8-6
Type DC motor
Brand Nidec/Welling /Yongan
Speed3r/min 490/470/450/440/410/380/360
Indoor coil
Number of rows 2
Tube pitch × row pitch mm 21×13.37
Fin spacing mm 1.5
Fin type Hydrophilic aluminum
Tube OD and type mm Ф7 Inner-groove
Dimensions (L×H×W) mm 1955×252
Number of circuits 8
Air flow rate3m
3/h 1349/1294/1230/1201/1111/1029 /970
Sound pressure level4dB(A) 37/35/34/31/31/30/28
Sound power level dB(A) 53/49/48/46/46/44/43
Main body
Net dimensions5(W×H×D) mm 840×300×840
Packed dimensions (W×H×D) mm 955×330×955
Net/Gross weight kg 28.4/33.8
Panel
Net dimensions (W×H×D) mm 950×54.5×950
Packed dimensions (W×H×D) mm 1035×90×1035
Net/Gross weight kg 5/8
Refrigerant type R410A
Throttle
Type Electronic expansion valve
Model D20MISZ-1R(L)
Design pressure (H/L) MPa 4.4/2.6
Pipe connections
Liquid/Gas pipe mm Ф9.53/Ф15.9
Drain pipe mm OD Φ32
Notes:
1. Indoor temperature 27°C DB, 19°C WB; outdoor temperature 35°C DB; equivalent refrigerant piping length 7.5m with zero level difference.
2. Indoor temperature 20°C DB; outdoor temperature 7°C DB, 6°C WB; equivalent refrigerant piping length 7.5m with zero level difference.
3. Fan motor speed and air flow rate are from the highest speed to the lowest speed, total 7 rates for each model.
4. Sound pressure level is from highest level to lowest level, total 7 levels for each model. Sound pressure level is measured 1.4m below the unit in a
semi-anechoic chamber.
5. Unit body dimensions given are the largest external dimensions of the unit, including hanger attachments.
The 2nd Generation DC Series VRF Indoor Units

The 2nd Generation DC Series VRF Indoor Units
6 201809
Table 1.4: MVD-112(140)Q4DN1 specifications
Model MVD-112Q4DN1 MVD-140Q4DN1
Power supply 1 phase, 220-240V, 50Hz
Cooling1
Capacity
kW 11.2 14.0
kBtu/h 38.2 47.8
Power input W 160 170
Heating2
Capacity
kW 12.5 16.0
kBtu/h 42.7 54.6
Power input W 160 170
Fan motor
Model ZKSP-170-8-6
Type DC motor
Brand Nidec/Welling /Yongan
Speed3r/min 590/560/520/480/450/435/420 620/590/550/510/480/465/450
Indoor coil
Number of rows 2 3
Tube pitch × row pitch mm 21×13.37
Fin spacing mm 1.5
Fin type Hydrophilic aluminum
Tube OD and type mm Ф7 Inner-groove
Dimensions (L×H×W) mm 1955×252
Number of circuits 8
Air flow rate3m
3/h 1641/1544/1431/1309/1225/1198/1143 1662/1574/1448/1348/1253/1219/1170
Sound pressure level4dB(A) 38/36/35/34/31/31/30 39/37/36/35/34/31/31
Sound power level dB(A) 55/52/49/48/46/46/44 56/55/52/49/48/46/46
Main body
Net dimensions5(W×H×D) mm 840×300×840
Packed dimensions (W×H×D) mm 955×330×955
Net/Gross weight kg 28.4/33.8 30.7/35.8
Panel
Net dimensions (W×H×D) mm 950×54.5×950
Packed dimensions (W×H×D) mm 1035×90×1035
Net/Gross weight kg 5/8
Refrigerant type R410A
Throttle
Type Electronic expansion valve
Model D20MISZ-1R(L) BD24FKS(L)
Design pressure (H/L) MPa 4.4/2.6
Pipe
connections
Liquid/Gas pipe mm Ф9.53/Ф15.9
Drain pipe mm OD Φ32
Notes:
1. Indoor temperature 27°C DB, 19°C WB; outdoor temperature 35°C DB; equivalent refrigerant piping length 7.5m with zero level difference.
2. Indoor temperature 20°C DB; outdoor temperature 7°C DB, 6°C WB; equivalent refrigerant piping length 7.5m with zero level difference.
3. Fan motor speed and air flow rate are from the highest speed to the lowest speed, total 7 rates for each model.
4. Sound pressure level is from highest level to lowest level, total 7 levels for each model. Sound pressure level is measured 1.4m below the unit in a
semi-anechoic chamber.
5. Unit body dimensions given are the largest external dimensions of the unit, including hanger attachments.

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2Dimensions
2.1 Unit Dimensions
Figure 2.1: Four-way Cassette dimensions (unit: mm)


Φ75New air
supply orifice
Φ32Drain pipe outer diameter
Table 2.2: Four-way Cassette piping connections
Model names Gas pipe (mm) Liquid pipe (mm)
MVD-56Q4DN1
MVD-71Q4DN1
MVD-90Q4DN1
MVD-112Q4DN1
MVD-140Q4DN1
Ф15.9 Ф9.53
Table 2.1: Four-way Cassette dimensions
Model names
Dimensions (mm)
A B
MVD-56Q4DN1
MVD-71Q4DN1
MVD-80Q4DN1
230 126
MVD-90Q4DN1
MVD-112Q4DN1
MVD-140Q4DN1
300 197
The 2nd Generation DC Series VRF Indoor Units

The 2nd Generation DC Series VRF Indoor Units
8 201809
3Unit Placement
3.1 Placement Considerations
Unit placement should take account of the following considerations:
Units should not be installed in the following locations:
yWhere exposure to direct radiation from a high-temperature heat source or to interference from a source of
electromagnetic radiation may occur.
yWhere dust or dirt may affect heat exchangers.
yWhere exposure to oil or to corrosive or harmful gases, such as acidic or alkaline gases, may occur.
yWhere exposure to salinity may occur, such as seaside locations.
yWhere highly flammable materials are present.
yWhere exposure to oily air may occur, such as a kitchen.
yWhere exposure to very high humidity may occur, such as a laundry.
Units should be installed in positions where:
yThe ceiling is horizontal and is able to bear the unit’s weight.
yThere are no obstructions that could impede the airflow into and out of the unit.
yThe airflow out of the unit can reach throughout the room.
yThere is sufficient space for access during installation, servicing and maintenance.
yThe refrigerant piping and drain piping can be easily connected to the refrigerant piping and drain piping
systems.
yShort-circuit ventilation (where outlet air returns quickly to a unit’s air inlet) will not occur.
3.2 Space Requirements
Figure 3.1: Four-way Cassette space requirements (unit: mm)
 
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Table 3.1: Four-way Cassette dimensions and space requirements
Model name Dimensions / Requirements (mm)
A H
MVD-56Q4DN1
MVD-71Q4DN1
MVD-80Q4DN1
230 ≥260
MVD-90Q4DN1
MVD-112Q4DN1
MVD-140Q4DN1
300 ≥330

PP
Main body of the unit
Ceiling
The 2nd Generation DC Series VRF Indoor Units

The 2nd Generation DC Series VRF Indoor Units
10 201809
4Piping Diagram
Figure 4.1: Four-way Cassette piping diagram
flare nut
flare nut
T2B
gas side
motor
heat exchanger
fan
EXV
liquid side
T2
T1
Legend
T1 Indoor ambient temperature sensor
T2 Indoor heat exchanger mid-point temperature sensor
T2B Indoor heat exchanger outlet temperature sensor

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5Wiring Diagram
Figure 5.1: MVD-56Q4DN1, MVD-71Q4DN1, MVD-80Q4DN1
The 2nd Generation DC Series VRF Indoor Units
&1
&1
&1
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3;6;
6;
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&1
3803
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&6
ENC1
Toggle Switch Set horsepower
To outdoor/indoor
units comm. bus
To wired controller comm. bus
Code Capacity
'ZZKTZOUT 6RKGYK[YKZNXKKIUXKYNOKRJOTM]OXKGTJZNKYNOKRJOTMRG_KXS[YZHKIUTTKIZKJ ZUZNK ULYNKKZSKZGR
/TJUUX3GOT)UTZXUR(UGXJ
BLACK
RED
POWER IN
RED
BLACK
Y/G
Y/G
BLACK
WHITE
RED
3;6;
3;6;
Wired
controller
6;3
;
Display Board
E6
DC fan error No address when first time power on Mode conflict Comm. error with outdoor unit Temp. sensor (T1)) error Temp. sensor (T2) error Temp. sensor( T2B) error EEPROM error Outdoor unit error Ed
E4 E3 E2 E1 E0
FE
E7
Error Content
Error Code
EEV error
Eb
EE
Indoor fan motor
Electronic expansion valve
Room temp. sensor
Outlet pipe temp. sensor
Middle pipe temp. sensor
Connectors
Terminal
New Display Board Terminal
Water level switch
Pump motor
Code Title Code Title Code Title
*0
Swing Motor