Samsung MCM-A00UN User manual

DVM CHILLER
User manual
Module control MCM-A00UN
•Thank you for purchasing this Samsung air conditioner.
•Before operating this unit, please read this user manual carefully and retain it for future reference.

2English
Safety information 4
Safety information 4
PREPARATION 10
Name of the parts 10
Display 10
Buttons 15
Check before use 19
Module or group operation 19
Operation pattern for modules 20
Operation pattern for groups 24
OPERATION 28
Selecting group or module 28
Group or module 28
Cooling Operation 29
Cool mode 29
Cool storage mode 30
Heating Operation 31
Heat mode 31
Hot water mode 31
Operation pattern setting 32
Operation pattern 32
Contents

3English
Quick Smart Features 33
Quiet function 33
Demand function 33
Forced fan function 34
Water law function 34
Water outlet display 35
Monitoring function 35
Energy-Saving Operation 36
Weekly timer 36
Holiday setting 40
Checking the timer 41
Off timer 43
SETTING 44
Additional Features 44
Setting the additional function (Example) 48

4English
Safety information
California Proposition 65 Warning (US)
WARNING: Cancer and Reproductive Harm -
www.P65Warnings.ca.gov.
These safety precautions are for owner’s safety and
preventions of property damage. Therefore, please read this
manual thoroughly before using your product.
WARNING
Hazards or unsafe practices that may result in severe
personal injury or death.
CAUTION
Hazards or unsafe practices that may result in minor
personal injury or property damage.
Follow directions.
Do NOT attempt.
Make sure the machine is grounded to prevent electric
shock.
Unplug the power plug from the wall socket.
Do NOT disassemble.
Safety information

5English
Safety information
For installation
WARNING
The installation of this product must be performed by a
qualied technician or service company.
• Failure to do so may result in electric shock, re,
product malfunction, or injury.
Connect the power with rated voltage when installing.
• Failure to do so may result in electric shock, re, or
product malfunction.
Do not install this product near a heater, inammable
material. Do not install this product in a humid, oily or
dusty location, in a location exposed to direct sunlight
and water (rain drops). Do not install this product in a
location where gas may leak.
• Potential risk of electric shock or re.

6English
Safety information
Safety information
CAUTION
Install the product on a hard and even place that can
support its weight.
• If the place cannot support its weight, the product may
fall down and it may cause product damage.
For power supply
WARNING
Do not pull or excessively bend the power cord. Do not
twist or tie the power cord.
• Potential risk of electric shock or re.
For operation
WARNING
If the product generates a strange noise, a burning smell
or smoke, disconnect the power supply immediately and
contact a service center.
• Potential risk of electric shock or re.

7English
Safety information
Contact a service center to reinstall the product.
• If not, there is risk of product malfunction, water
leakage, electric shock or re.
• A delivery service for the product is not provided. If
you reinstall the product in another location, additional
construction costs and installation fee will be charged.
When an error appears or the product malfunctions,
stop the operation immediately.
• If the product generates a burning smell or it
malfunctions, turn it off and disconnect the power
supply immediately, and then contact a service center.
If not, there is risk of electric shock, re, or damage to
the product.
Do not attempt to repair, disassemble, or modify the
product yourself.
• This may result in electric shock, re, a product
malfunction or injury.

8English
Safety information
Safety information
For operation
CAUTION
Do not allow water to enter the product.
• There is risk of re or explosion.
Do not operate the product with wet hands.
• There is risk of electric shock.
Do not spray volatile material such as insecticide onto
the product.
• As well as being harmful to humans, this may also
result in electric shock, re or a product malfunction.
Do not give a strong impact to the product and do not
disassemble it.
Do not use this product for other purposes.
• This product is designed to be used only for DVM
CHILLER.
Do not press the buttons with any sharp objects.
• Electric shock or part damage may occur.

9English
Safety information
For cleaning
WARNING
Do not clean the product by spraying water directly
onto it. Do not use benzene, thinner, acetone or alcohol
to clean the product.
• This may result in discoloration, deformation, damage,
electric shock or re.

10 English
PREPARATION
A module control controls DVM CHILLERs by each group or module.
Name of the parts
Display
01
02
04
05 06 07 17 21
14
08 09 10 11 13
12
15
16
19
20
03 18
LED
On/Off
button
Temp.
adjustment
button

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PREPARATION
No. Display Description
󱞜• Displays the operation mode.
󱞝
• Displays the set or current water temperature (°C, °F).
NOTE
• Press button to display the set water temperature for 3
seconds.
• The default is the current water temperature, and it can be
changed into the set water temperature in the service setting
mode.
• The display will show Lo when the value can be displayed
(-199~199) or show HI when it cannot be displayed.
• Displays the current temperature (°C, °F) of water inlet or outdoor
air.
• Displays the current high or low pressure (MPa) of refrigerant.
• Displays the current water ow rate (m3/h).
󱞞• Displays the selected applied operation.
󱞟• Displays the operation pattern by each module and group.
󱞠• Displays the group from 1 to 4.
󱞡• Displays the module from 1 to 8.
󱞢
• Displays the unit from 0 to 15 (maximum 16).
• Displays Main or Sub.
• Displayed when setting the Panel control function from a certain
unit.
– Panel control function is to set the unit to control the operation
itself, so the operation cannot be controlled from the module control
if this function is set.

12 English
PREPARATION
Name of the parts
No. Display Description
󱞣
• Displayed when button input is restricted.
• Restricted display will appear when the buttons are restricted
due to central control or when a combined operation cannot be
performed.
NOTE
• The module control will be restricted in the following cases.
Example1) Displayed when pressing button in the central
control.
Example2) Displayed when setting the button lock function and
then pressing button in the service mode.
󱞤
• Displayed when setting the central control.
NOTE
• Central display will appear when the module control is controlled
by the central control room of the building or by the upper level
control such as a central control or a DMS etc.
In this case, timer and all functions will be operated by the upper
level control.
⑩
• Displayed when an error occurs in a product or a module control.
NOTE
• Blinked when an error occurs in a product or a module control,
followed by the error code.
• It will disappear when all errors is solved.
⑪• Displayed when a pump operates automatically to keep the
pipes from freezing.

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PREPARATION
No. Display Description
⑫
• Displayed when the defrost function operates.
NOTE
• Defrost function is to remove frost on the outdoor unit during
operating the heat mode.
⑬
• Displayed when selecting the button lock function.
NOTE
• To lock the buttons of the module control, press button.
⑭• Displays the number of daily or entire timers.
⑮• Displays weekly timer or holiday setting.
⑯• Displayed days of week while setting weekly or daily timer or
displaying the set timer.
⑰• Displayed when the summer time function is set.
⑱
• Displayed when setting the off timer for the entire DVM CHILLER
in the additional function.
Time for the off timer function can be set to maximum 23 hours.
NOTE
• The current time will be displayed if there is more than an hour
until the set time.
• The remaining time will be displayed and the off timer display
will appear if there is less than an hour until the set time.
⑲• Displays the current time or the set time.

14 English
PREPARATION
Name of the parts
No. Display Description
⑳• Displayed when selecting a group or a module while setting the
weekly timer. (Group : 1 ~ 4, Module : 1 ~ 8)
㉑• Displayed Set on or Set off while setting or displaying timer.
NOTE
• If you set the input method as external contact control in the option setting of DVM
CHILLER, the module control cannot control the units.
– When pressing , , or . button on the module control, the displays will appear
on the display but the DVM CHILLER will not operate.
• The module control cannot sense the indoor temperature.
• The module control does not control the midnight electricity’s time or the cool storage
tank.

15English
PREPARATION
Buttons
02
180921
06
04
10 07
1916
14
01
15
11 1208 2017
03
13
No use
05
Classication Button Description
Start/
Stop 󱞜All start/stop
button
• Turns on or off all the DVM CHILLERs.
• You can turn on or off all the connected
modules and groups.
NOTE
• When turning off all units and turn them
back on, the units will operate in a previously
selected mode.

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PREPARATION
Name of the parts
Classication Button Description
Start/
Stop 󱞝On/Off
button
• Turns on or off a group or a module
individually.
• When a module or a group is turned off,
temperature or mode displays will not appear.
NOTE
• When turning off a module or a group and turn
it back on, each module or group will operate
in a previously selected mode.
Basic
operation
󱞞
Temp.
adjustment
button
• Adjusts the desired water temperature.
NOTE
• For celsius, the set water temperature can be
adjusted by 1, 0.5, or 0.1 °C depending on the
set value in the service mode. For fahrenheit,
it can be adjusted by 1 °F.
• If you press and hold the button, it will be
adjusted by 1 °C/1 °F.
󱞟Operation
mode button • Selects the desired operation mode.
Applied
operation
󱞠Quiet button • Selects the quiet function.
󱞡Demand
button • Selects the demand function.
󱞢
Snow
prevention
button
• Selects the snow prevention function.
󱞣Water law
button • Selects the water law function.

17English
PREPARATION
Classication Button Description
Option
change
function
󱞤
Group/
Module
button
• Selects a group or module control.
⑩Monitor
button
• Shows the result of monitoring water outlet,
water inlet, outdoor air, high and low pressure
of refrigerant, and water ow rate.
⑪Pattern
button
• Sets the operation pattern when controlling the
DVM CHILLER by groups or modules.
⑫M/S button • Sets Main or Sub units.
⑬Water outlet
button
• When pressing the water outlet button while
the display shows the pressure of refrigerant
or the water inlet temperature, the water outlet
temperature will be displayed.
Timer
function
⑭Timer button
• Sets the weekly On/Off timer.
NOTE
• The timer can be set up to maximum 40 timers.
⑮
Timer
display
button
• Checks the timer already set.
NOTE
• You can check the timer by numbers or days
of the week.
Common
function
⑯
Up, down,
left, right
button
• Moves from stage to stage or changes the set
value.
⑰OK button • Selects the stage or saves the setting.

18 English
PREPARATION
Name of the parts
Classication Button Description
Common
function
⑱ESC button
• Exits to normal mode without saving your
changes while setting the timer or the
additional function.
⑲Delete
button
• Deletes the timer.
NOTE
• Press button for 3 seconds to delete all the
timers while the display shows the timers.
⑳Settings
button • Enters the additional function setting screen.
LED ㉑LAMP
• Displays the on/off status of the module or the
group on the display.
– On : green LED is turned on
– Off : green LED is turned off
– Error : red LED is blinking
NOTE
• When one of the modules or groups are
operating, the green LED is turned on.
• When a certain module or group needs to be
inspected, the led LED is blinked.
NOTE
• Mode, temperature, or etc. can be set when only the module control is turned on.
• , , , , , , , , , , + , + buttons can be used
when the module control is turned off.

19English
PREPARATION
Check before use
Module or group operation
Module/group operation is to combine multiple units in modules or groups of a single
water pipe system and to operate them depending on the working condition.
F3, F4
Module control
Main Main Main Main
Group 1 Group 2
Sub Sub Sub Sub
Module 1 Module 2 Module 3 Module 4
Unit 0 Unit 7

yA single module control can control a maximum of 16 DVM CHILLERs (0 ~ 15).
– DVM CHILLER can have a maximum of 8 modules (1 ~ 8) and 4 groups (1 ~4).
– A maximum of 8 units can be connected to a module, and a maximum of 8 modules
can be connected to a group.

yDepending on the working condition below, set modules or groups.
– A module or a group must be connected to a single water pipe.
– When modules are controlled by a group, the modules cannot operate themselves and
the display will not show the modules during the module operation.

yYou can select an operation mode, a pattern operation (according to distribution method
of compressor capacity) and an applied operation by each module or group.

20 English
PREPARATION
Check before use
Operation pattern for modules

yThe default is Standard control. It can be changed in the installation service mode.
Contact a service center for further details.

yWhen the current water temperature reaches the set temperature, On/Off control will be
performed by each unit.
Standard control

yAll units connected to each module start operating at the same time, and then they
control the water outlet temperature and the capacity of compressor separately.
Unit 0
Pressure
control
Pressure
control
Pressure
control
Pressure
control
Unit 2Unit 1 Unit 3
Unit 0 Unit 2Unit 1
Operation of all units
Unit 3
NOTE
• The standard control is suited to the site that has always a high cooling and heating
load factor.