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MCA3U-18HRFNX-QRD0W
Midea MCA3U-18HRFNX-QRD0W User Manual
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Installation
Page 109
Connecting pipe assembly
Liquid side
Φ
6.35 (1/4in)
Parts you must purchase.
Consult the dealer about
the pipe size.
Φ
9.52 (3/8in)
Gas side
Φ
9.52 (3/8in)
Φ
12.7 (1/2in)
Φ
15.9 (5/8in)
108
110
Table of Contents
Section 1
2
Table of Contents
2
Specifications
4
Model Reference
5
Functions
6
General Specifications
8
Indoor Unit Combination
20
Dimensional Drawings
22
Centre of Gravity
31
Air Velocity and Temperature Distributions
33
Electrical Wiring Diagrams
41
Refrigerant Cycle Diagrams
57
Noise Criterion Curves
61
Electrical Characteristics
73
Static Pressure
75
Section 2
78
Display Function
79
Abbreviations
83
Operation Modes and Functions
83
Safety Features
83
Auto Mode
84
Cooling Mode
84
Drying Mode
84
Fan
84
Heating Mode(Heat Pump Models)
84
Auto-Restart
85
Drain Pump Control
85
Follow Me
85
Forced Operation Function
85
Sleep Function
85
Timer Function
85
Infrared Wireless Remote Controller
86
Mode Conflict
86
Remote Controller Functions
86
LCD Wired Remote Controller
91
Centralized Controller
103
Using the Wire Controller to Set Airflow Rate
104
Using the Wire Controller to Set External Static Pressure
104
Section 3
105
Accessories
106
Installation Overview
110
Location Selection
114
Indoor Unit Installation(A6 Duct Type)
115
Indoor Unit Installation(Compact Cassette Type)
117
Indoor Unit Installation(Wall Mounted Type)
120
Outdoor Unit Installation
127
Drainage Pipe Installation
128
Refrigerant Pipe Installation
131
Vacuum Drying and Leakage Checking
132
Additional Refrigerant Charge
133
Engineering of Insulation
133
Engineering of Electrical Wiring
134
Test Operation
135
Charts for Friction Losses in Round Ducts
137
Introduction
137
Dynamic Losses
138
Corresponding Relation between Rectangular Duct and Round Duct
139
Method for Duct Calculation
140
Recommended Outlet Velocity for Different Occasions
140
Unit Conversion
140
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Midea MCA3U-18HRFNX-QRD0W Specifications
General
Brand
Midea
Model
MCA3U-18HRFNX-QRD0W
Category
Air Conditioner
Language
English
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