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M4OC-36HRFN1-M
Page 63
Midea M4OC-36HRFN1-M - Page 63
128 pages
Manual
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Remark:
Use a mul
timeter to
test t
he DC
voltage between blac
k
p
in
and
white pin of si
gnal wire The normal
value shoul
d be around 5V.
Use a multime
ter to test the DC
voltage between blac
k
pin
and
red
p
in
of signal wire
.
The normal val
ue
should be around 12V.
62
64
Table of Contents
Main Page
Default Chapter
1
Table of Contents
1
Table of Contents
4
1 Product Specifications
4
Indoor Unit Combination
4
Suggested Indoor Unit Model Numbers
6
Dimension of Outdoor Unit
7
Refrigerant Cycle Diagram
8
Installation Details
9
Wrench Torque Sheet for Installation
9
Connecting the Cables
9
Pipe Length and the Elevation
9
Installation for the First Time
9
Adding the Refrigerant after Running the System for Many Years
11
Re-Installation While the Indoor Unit Need to be Repaired
11
Re-Installation While the Outdoor Unit Need to be Repaired
12
Electronic Function
13
Abbreviation
13
Electric Control Working Environment
13
Main Protection
13
Control and Functions
15
Wiring Diagrams
19
Troubleshooting
32
Safety
32
Indoor Unit Error Display
33
Outdoor Unit Display
36
Diagnosis and Solution
40
Trouble Criterion of Main Parts
89
8 Wiring Diagrams and Electrical Trouble Shooting
100
Disassembly Instructions
100
Model: M2OC-18HFN1-M, M2OD-18HFN1-M (W210 Metal Plate)
100
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