Midea MC-SU60-RN1L User manual

OPERATION MANUAL
Thank you very much for purchasing our product.
Before using your unit, please read this manual carefully and keep it for future reference.

● This manual gives detailed description of the precautions
that should be brought to your attention during operation.
● In order to ensure correct service of the wire controller
please read this manual carefully before using the unit.
● For convenience of future reference, keep this manual after
reading it.

Contents
1 Safety Precautions ...........................................................................1
2 Overview of Wired Controller ...........................................................3
3 Menu Operations..............................................................................5
4 Installation Manual .........................................................................23
5 Failure Information and Code.........................................................35
6 Attached Table About Modbus .......................................................39
● This manual gives detailed description of the precautions
that should be brought to your attention during operation.
● In order to ensure correct service of the wire controller
please read this manual carefully before using the unit.
● For convenience of future reference, keep this manual after
reading it.

The product and Operation and Installation Instructions record the following
content, including the operation method, how to prevent harms to others and
property losses, and how to use the product correctly and safely. Read the
text after understanding the content (identification and marker maps) below
carefully, and observe the precautions below.
[Note]: So-called "injuries" mean the harms not requiring hospitalization or
long-term treatment, generally referring to wounds, burns, or electric shocks.
Material damages refer to property and material losses.
!
Caution
!
Warning
!
1 Safety Precautions
Caution
Read the safety precautions carefully prior to installation.
The important safety precautions are provided below and must be observed.
Meanings of marks:
Means improper handling may lead to personal injuries or material damages.
Means improper handling may lead to death or serious injury.
After the installation work is completed, confirm that the trial operation is normal and hand
over the manual to the customer for keeping.
1

It indicates "prohibited". The specific content of prohibition is provided using
graphics or text in the icon or nearby.
It indicates "mandatory". The specific mandatory content is provided using graphics
or text in the icon or nearby.
Icon
Name
Do not spray combustible spray to the wired controller directly; otherwise a fire may be
caused.
Do not perform operations with a wet hand or allow water to enter the wired controller;
otherwise the wired controller will be damaged.
Prohibited
Prohibited
Caution
in Use
Entrust your distributor or a professional to install the product. The installation operator
must have acquired the relevant professional knowledge.
In case of independent installation, wrong operations will lead to a fire, electric shock,
or injury.
Entrusted
installation
Warning
!
Do not install the product at a place where flammable gas
easily leaks. Once flammable gas leaks and stays around
the wired controller, a fire may be caused.
!
1 Safety Precautions
Caution
2

2 Overview of Wired Controller
Turn on or off the
space operation
mode
Enter the menu
structure from
the home page
Navigate the
cursor on the
display/navigate
in the menu
structure/adjust
the settings
Come back to
the up level Long press for
unlocking /locking
the controller
Go to the next step when
programming a schedule in the
menu structure / confirm a
selection/enter a submenu in
the menu structure
60%
45%
3

2 Overview of Wired Controller
MON
20/11/2017
WEEKLY TIMER ON TIMER ON
ON
ONLINE
UNITS
16
10:35 A
COOL Tws
Tw
7
C
20
C
ERROR
E1
60%
45%
Heating mode
Cooling mode
Set temperature Tws
Number of parallel units
Current ERROR
Weekly
Timer icon
Timer
icon
Water
pump on External electric
heater on
Compressor
operating
Fan on
Lock icon
Anti-freezing or
Silent
mode on
Centralized control
Alarm
icon
Units
operating
manual defrost on
access of network
Fan operating
usage rate
60%
Compressor
operating usage rate
45%
4

3 Menu Operations
3.1 Unlocking/Locking Operation
3.3 Setting Mode
When the wired controller is locked, press and
hold the "UNLOCK" button for 3s to unlock it,
when " " is not displayed; in the unlocked
status, press and hold the "UNLOCK" button
for 2s to lock it, when " " is displayed and the
wired controller cannot be operated; when
there is no operation for continuous 60s on
any page, the wired controller returns to the
home page and is locked automatically, and
the locking icon is displayed.
3.2 Power-on/off
b. Heating mode
a. Cooling mode
When the wired controller is unlocked and the
unit is on, "ON/OFF" can be pressed to power
off the unit under the home page only; when
the unit is off, press "ON/OFF" to power on the
unit.
In Unlock mode, press the "MENU" button
to enter the menu setting interface, press
the "▼" and "▲" buttons to select "MODE"
and set a mode, and press the "OK" button
as shown in the above figure to access the
submenu (mode setting). As shown below:
three modes available.
MON
20/11/2017
ON
ONLINE
UNITS
16
10:35 A
COOL Tws
Tw
7
C
25
C
60%
45%
MON
20/11/2017
10:35 A
COOL Tws 7
C
Tw 25
C
MON
20/11/2017
10:35 A
Tws
Tw
55
C
25
C
HEAT
5

3.4 User Menu
Select "USER MENU" to enter the user
menu. The interface display is as follows:
Select "QUERY" in the "USER MENU"
interface to access the query function. The
interface display and operation are as
follows:
The user first uses the "▼" and "▲"
buttons to select the address of module to
view (the offline address is skipped
automatically). Press the "OK" button to
access the next submenu or press "BACK"
to go back to the previous interface; during
operation on the menu page, press
"BACK" to go back to the previous
interface. After entry, the interface is
displayed as follows:
USER MENU
QUERY
TIMER
SILENT MODE
DOUBLE SETPOINT
1/2
ok
QUERY
QUERY #00
OK
STATE QUERY
TEMP QUERY
SELECT THE QUERING ADDRESS
00
OK
QUERY
USER MENU
QUERY
SNOW-BLOWING SWITCH
HEATER CONTROL(DISABLE)
DHW SWITCH(DISABLE)
ok
TEMPERATURE COMPENSATION
2/2
6