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MDV-V80W/DN1
Midea MDV-V80W/DN1 Technical Manual
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R410A
All DC Inverter M
ini VRF
MCAC-VTSM-
2014
-
10
100
T
roubles
hooting
7.16
P8
:
T
yphoon protec
tion (for al
l models)
LED
displays
P8
T
yphoon protection
YES
Belongs to
normal protect
ion
When
air
conditioner
is
standby
or
in
malfunction
stopping
status,
check i
f t
here
is stro
ng air
blows
the fan
phenomenon.
NO
Check whether
the fan mot
or is norma
l.
YES
Replace outd
oor main PCB or
transfer board o
f
the
fan.
NO
Replace fan
motor
.
100
Table of Contents
Contents
1
General Information
2
Product Lineups
3
Outdoor Units
3
80/105 Model
3
120~160 Model
3
Nomenclature
4
Features
5
Wide Application
5
High Efficient DC Inverter Compressor
6
High Performance Heat Exchanger
6
Low-Operating Sound Design
6
Quick Warm-Up & Cool-Down Design and Less Temperature Fluctuation
6
Wide Operation Temperature Range
7
Flexible Piping Design
7
Flexible Indoor Unit’s Connection
7
Simple Signal Line Connection
7
Auto Address Setting Function
8
Easy Piping Connection
8
Easy Installation
8
Easy Maintenance
8
Indoor Units Lineups
9
Specifications & Performance
11
Specifications
12
Dimensions
15
Service Space
16
Single Unit Installation
16
Parallel Connect the Two Units or above
16
Parallel Connect the Front with Rear Sides
16
Piping Diagrams
17
Oil Separator
17
Low Pressure Liquid Receiver & High Pressure Liquid Receiver
17
4-Way Valve
17
Wiring Diagrams
18
Field Wiring
20
Capacity Tables
21
Cooling
21
MDV-V105W/Dn1
28
MDV-V140W/Dn1
42
MDV-V160W/Dn1 (B)
49
Electric Characteristics
56
Sound Levels
56
Operation Limits
57
Heating
57
Part 3 Installation
58
Precautions
59
Accessories
60
Outdoor Unit Installation
60
Installation Space Selection
60
Installation Space
61
Parallel Connect Two Units or above
62
Water Outlet
62
Piping Installation
63
Piping Connection
63
Allowable Length and Level Difference of Refrigerant Pipe
63
The First Connecting Method
64
The Second Connecting Method
64
Refrigerant Pipe Selection
65
Indoor Unit Branch Pipes Selection
66
Capacity of Indoor Units
66
Indoor Unit Main Pipes Selection
66
Main Pipes Selection
66
Remove Dirt or Water in the Piping
67
Airtight Test
67
Additional Refrigerant Charge
67
Vacuum
67
Electric Wiring Installations
68
Highlights of Electrical Installation
68
Selection of Wiring
68
Distribution Highlights of Distribution Wiring
69
Indoor Unit Power Supply Wiring
69
Indoor/Outdoor Unit Signal Wire Wiring
70
Outdoor Unit Wiring
70
The Specification of Power
70
Indoor/Outdoor Unit Signal Wire
71
Wiring Connection
71
Test Running
71
Precautions on Refrigerant Leakage
72
Counter Measure against over High Thickness
72
Part 4 Troubleshooting
73
PCB Ports Instructions
74
Mcac-Vtsm
74
Function Setting Dial Switches Instructions
78
SW3 Definition: Auto Addressing Dial
78
SW-1 Definition: Auto Addressing Dial
78
LED on PCB Instructions
79
PCB Introduction
80
Error Code Table
81
H0/E3: Communication Malfunctions between IR341 and Main
82
Communication Malfunctions between Indoor Chip and Outdoor Chip
83
Voltage Protection Malfunction
85
E6//E8/Eb: DC Fan Malfunction
86
Discharge Temperature Sensor Malfunction
87
E9/E0: EEPROM Malfunction
88
Low Pressure Protection
91
Compressor Current Protection (for All Models)
92
Compressor Discharged Temperature Protection
93
Condenser High Temperature Protection
94
IPM Module Protection
95
P6: Module Protection
96
DC Generatrix Check
97
Module Check
97
L0/L8/L9 Troubleshooting
98
Check the Compressor
98
L1/L4 Troubleshooting
99
L2 Troubleshooting
99
PE/P7 Malfunction: Evaporator T2 High Temperature Protection
100
Typhoon Protection
101
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General Information
122 pages
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Midea MDV-V80W/DN1 Specifications
General
Brand
Midea
Model
MDV-V80W/DN1
Category
Air Conditioner
Language
English
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