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

RUNNING
MODE
CURRENT
SILENT
MODE
ON COOL
STANDARD
MODE
BACK
STATE QUERY #00
OPERATION
STATE
◆ State query:
Press "▼" and "▲" buttons to select
"STATE QUERY" in the "QUERY"
interface, and press the "OK" button to
enter the interface. The interface display is
as follows:
TEMP QUERY
BACK
IN-LET
WATER
TEMP
#00
OUT-LET
WATER
TEMP
TOTAL
OUT-LET
WATER
TEMP
AMBIENT
TEMP
25℃25℃25℃25℃
TIMER
OK
DAILY TIMER
DATE AND TIME
WEEKLY SCHEDULE
◆ Temp query
Press "▼" and "▲" buttons to select
"TEMP QUERY" in the "QUERY" interface,
and press the "OK" button to enter the
interface. The interface display is as
follows:
◆ Setting the timer:
Press "▼" and "▲" buttons to select
"TIMER" in the "USER MENU" interface,
and press the "OK" button to enter the
interface. The interface display is as
follows:
◆ Setting the daily timer
Press "▼" and "▲" buttons to select
"DAILY TIMER" in the "TIMER" interface,
and press the "OK" button to enter the
interface. The interface display is as
follows:
DAILY TIMER 1
OK
ACT
ON
SILENT
MODE
T.ON T.OFF MODE TEMP
10:00A 12:00A HEAT 40℃
SILENT
7

Only one setting is enabled between
"DAILY TIMER" and "WEEKLY
SCHEDULE". If any of the pattern in
"WEEKLY SCHEDULE" is set to ON,
"DAILY TIMER" is disabled. "DAILY
TIMER" can be setted across days, but
"WEEKLY SCHEDULE" can’t be.
Users can set up to two timers, and set the
ON or OFF time (set the interval of time to
10 minutes) 、operation mode(COOL
mode and HEAT mode ) and temperature
setting for each segment of timer.
When the cursor stays at “DAILY TIMER
1”,press "◄" and "►" to select “TIMER 1”
or “TIMER 2”. Press "▲" and "▼" to select
“DAILY TIMER 1”, ACT, “SILENT MODE”.
Press the"ON/OFF" button to enable or
disable daily timer function.
After MODBUS control and the remote
control of the external machine are used,
the daily and weekly time settings of the
wired controller are invalid, and users
cannot enter the timing menu for setting,
the daily timer and weekly schedule
promote “DISABLE” on the user
menu/time interface.
DAILY TIMER 2
OK
ACT
ON
SILENT
MODE
T.ON T.OFF MODE TEMP
10:00A 10:00A HEAT 40℃
SILENT
TIMER
OK
DAILY TIMER (DISABLE)
DATE AND TIME
WEEKLY SCHEDULE (DISABLE)
8

Press "▲" and "▼" bottons to set the day the
user want from monday to sunday. and press
the "OK" button or press"◄" and "►" buttons
to choose "ON" then press "OK" button to
enter the time setting interface. The interface
is as follows:
ACT
ON
◆ Setting the weekly schedule:
Press the "▼" and "▲" buttons to select
"WEEKLY SCHEDULE" in the "TIMER"
interface, and press the "OK" button to
enter the interface. The interface display is
as follows:
Press the "◄" and "►" buttons to select the
start time T.ON, end time T.OFF, mode and
temperature to be set, and then press the "▲"
and "▼" buttons to set the time, mode, and
temperature value.
When the cursor stays at “SILENT
MODE”,press "◄" and "►" to select silent
mode including “STANDARD”, “SILENT”,
“SUPER SILENT”.
After setting, press "OK" to confirm saving, or
press "BACK" to cancel setting and return to
the previous interface.
If Time1 T.ON is set the same as Time1 T.OFF,
then the setting is invalid, the ACT option for
the timer of this segment jumps to "OFF", the
setting of Timer2 is the same as that of
Timer1, and the timing interval of Time2 can
cross with that of Time1.
For example, if Timer1 T.ON is set to 12:00
and Timer1 T.OFF is set to 15:00, then the
values of Timer2 T.ON and Time2 T.OFF can
be set in the range of 12:00-15:00. If the time
interval crosses, the machine will be powered
on at the time T.ON which is set in Timer1 or
Timer2,and will be powered off at the time
T.OFF which is set in Timer1 or Timer2.
After the daily timer function setting is
enabled, the icon " TIMER ON" will be
displayed on the home page interface.
WEEKLY SCHEDULE
OK
ON OFF
Monday TIMER 1
OK
ACT
ON
SILENT
MODE
T.ON T.OFF MODE TEMP
10:00A 10:00A HEAT 40℃
SILENT
9
1

TIME
DATE AND TIME
DATE
OK
DAYMONTH
MAR. 1ST
2018
YEAR
DATE
OK
◆ Setting date and time:
Select "DATE AND TIME" in the "TIMER"
interface, and press the "OK" button to
enter the interface. The interface display is
as follows:
Press the "▲" and "▼" buttons to select the
date and time to be set, and press the "OK"
button to access the lower-layer submenu:
The operation is the same as the operation of
daily timer.
When the setting of ACT is ON, then press the
"OK" button to enter the interface is as follows:
WEEKLY SCHEDULE
OK
ON OFF
After the weekly schedule funtion setting is
enabled,the icon " WEEKLY TIMER ON" will be
displayed on the home page interface.
Monday TIMER 2
OK
ACT
ON
SILENT
MODE
T.ON T.OFF MODE TEMP
10:00A 10:00A HEAT 40℃
SILENT
10
2

AM/PMMINUTE
00 PM
07
HOUR
TIME
OK
◆ Silent mode :
Press the "▲" and "▼" buttons to select
"SILENT MODE" in the "USER MENU"
interface, and press the "OK" button to enter
the interface. The interface display is as
follows:
Press the "◄" and "►" buttons to set the
parameter, and press the "OK" button to save
the setting and return to the previous
interface,or press the "BACK" button to cancel
the setting and return to the previous
interface.
After the silent mode function setting is
enabled,the icon " " will be displayed on the
home page interface.
SILENT MODE
SELECT SILENT MODE
STANDARD MODE
CURRENT MODE:
STANDARD MODE
12 3
ok
CURRENT MODE:
STANDARD MODE
Date setting operation instructions:
Press the "◄" and "►" buttons to select
"YEAR", "MONTH" and "DAY", press the "▲"
and "▼" buttons to set the parameter value,
and press the "OK" button to save the setting.
Time setting operation instructions:
Press the "◄" and "►" buttons to select
"HOUR" , "MINUTE" and "AM/PM", press the
"▲" and "▼" buttons to adjust the parameter
value, and press the "OK" button to save the
setting.
◆ Double Setpoint:
Press the "▲" and "▼" buttons to select
"DOUBLE SETPIONT" in the "USER MENU"
interface, and press the "OK" button to enter
the interface. The interface display is as
follows:
11
3

DOUBLE SETPOINT
COOL_1
SET
POINT
HEAT_1
7℃35 ℃7℃30℃
SET
POINT
COOL_1
ok
SET
POINT
COOL_2
SET
POINT
HEAT_2
◆ Temperature compensation:
Press the "▲" and "▼" buttons to select
"TEMPERATURE COMPENSATION" in the
"USER MENU" interface, and press the "OK"
button to enter the interface. The interface
display is as follows:
TEMP COMPENSATION
OK
COOL MODE
HEAT MODE
Operation instructions:
Press the "◄" and "►" buttons to select
setpoint mode, press the "▲" and "▼" buttons
to set the parameter value,and press the "OK"
button to save the setting and return to the
previous interface,or press the "BACK" button
to cancel the setting and return to the previous
interface.
The main control board detects if the port
"TEMP-SW"is closed,and if the port is closed
the units will run according to the temperature
of "SET POINT COOL_2" or "SET POINT
HEAT_2",other wise ,the units run according
to the temperature of "SET POINT COOL_1"
or "SET POINT HEAT_1".
DOUBLE SETPOINT
OK
DOUBLE SETPIONT
DISABLE
Press the "▲" and "▼" buttons to select the
ENABLE or DISABLE, and press the "OK"
button to save the setting.If setting the
DISABLE then return to the previous
interface.If setting the ENABLE then enter the
interface as follows:
12
4

Press the "▲" and "▼" buttons to select the
COOL MODE and HEAT MODE, and press
the "OK" button to enter the interface. The
interface display is as follows:
Operation instructions:
Press the "◄" and "►" buttons to select the
cool mode or the heat mode, press the "▲"
and "▼" buttons to adjust the parameter
value.
press the "OK" button to save the setting and
return to the previous interface,or press the
"BACK" button to cancel the setting and return
to the previous interface.
The value of T4 COOL_1 and T4 COOL_2 of
temp compensation-cool mode need to satisfy
the condition of T4 COOL_2-T4 COOL_1 >=0.
TEMP COMPENSATION- COOL MODE
SETPOINT T4 OFFSET
COOL_1 COOL_2 _C
25℃35℃10℃NO
T4
COOL_1 ENABLE
TEMP COMPENSATION-HEAT MODE
SETPOINT T4 OFFSET
COOL_1 HEAT_2 _H
2℃15℃10℃NO
T4
HEAT_1
ENABLE
OK
OK
◆Snow-Blowing switch
press the "▼" and "▲" buttons to select “SNOW-
BLOWING SWITCH” in the “USER MENU”
interface, press the "OK" button ,and the interface
display is as follows:
Press the "◄" and "►" buttons to select “YES”
OR “NO”, press the "OK" button to select. The
function of snow-blowing switch is valid when
selecting “YES”, while the function of snow-
blowing switch is invalid when selecting “NO”.
SNOW BLOWING SWITCH
SNOW BLOWING SWITCH
YES
ok
13
5

3.5 Setting SERVICE MENU
◆ Entering the password:
Select "SERVICE MENU", and press the "OK"
button to enter the interface. The screen
prompts the user to enter the password, as
shown below:
The initial password must be obtained by a
professional. Press the "▲" and "▼" buttons to
change the number to enter, and press the "◄"
and "►" buttons to change the bit code to
enter. After the number is entered, the display
is not changed. After entering the password,
press the "OK" button to enter the interface;
press the "BACK" button to go back to the
previous interface; the display is as follows if
the input is incorrect:
The query interface as follows is displayed
if the input is correct:
Press the "▼" and "▲" buttons to select the
desired option, and press the "OK" button to
access the interface.Press the "BACK" button
to cancel the setting and return to the previous
interface.
◆ State query
Select "STATE QUERY", and press the "OK"
button to enter the interface. The interface
display is as follows:
SERVICE MENU
PLEASE INPUT THE PASSWORD
0
OK
000
SERVICE MENU
SORRY,WRONG PASSWORD,
PLEASE INPUT AGAIN.
0
OK
000
SERVICE MENU
QUERY
HISTORY ERRORS QUERY
MANUAL DEFROST
PUMP MANUAL SWITCH
ok
STATE QUERY
14
6

Press the "▼" and "▲" buttons to select the
address of module to view (the offline address
is skipped automatically). Press the "OK"
button to access the lower-layer 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. if there is no operation in
60 seconds, the wired remote controller will
return to the home page.
Take the mainboard (0#) as an example to
make further explanation of the submenu.
After the mainboard is selected, the running
state of mainboard is as shown below:
SELECT THE QUERING ADDRESS
00
QUERY
OK
BACK
COMP FREQUENCE
STATE QUERY
50
COMP CURRENT
1# FAN SPEED
2# FAN SPEED
3# FAN SPEED
30
920
920
920
1/8
BACK
EXVA
STATE QUERY
200
EXVB
EXVC
SV4
SV5
200
200
OFF
OFF
2/8
BACK
SV8A
STATE QUERY
OFF
SV8B
FOUR-WAY VALVE
WATER PUMP STATE
SV1 STATE
OFF
OFF
OFF
OFF
3/8
BACK
SV2 STATE
STATE QUERY
OFF
HEAT1 STATE
HEAT2 STATE
TP1 DISCHARGE TEMP
TH SUCTION TEMP
OFF
OFF
30
20
4/8
15
7

Press the "◄" and "►" buttons to select the
different page.
◆ History error query
Press the "▼" and "▲" buttons to select
"HISTORT ERROR QUERY" in the "SERVIE
MENU" interface, and press the "OK" button to
enter the interface. The interface display is as
follows:
BACK
T3 TEMP
STATE QUERY
30
T4 TEMP
Tz TEMP
Twi TEMP
Two TEMP
30
30
30
30
5/8
BACK
Tw TEMP
STATE QUERY
30
T5 TEMP
P PRESSURE
TP2 DISCHARGE TEMP
30
3.85
6/8
60
30
COMP2 CURRENT
HISTORY ERRORS QUERY
TEMPERATURE COPENSATION
CLEAR ALL HISTORY ERRORS
ok
SELECT THE QUERING ADDRESS
COMP2 CURRENT
BACK
T6a TEMP
STATE QUERY
30
SV6 TEMP
ODU CAPACITY
COMP TIME1
COMP TIME2
ON
90
7/8
5
5
BACK
COMP TIME3
STATE QUERY
5
COMP TIME
END
1000
8/8
16
8