Installing The Unit - Samsung MCU Series Installation Manual

Installing the unit

1. MCU specification
Model
Exterior of MCU
Number of connectable indoor
units at one port
Maximum number of indoor units (Total)
The maximum capacity of the
connectable indoor units at one port
The maximum capacity of the connectable
indoor units at one port (with Y-JOINT)
The maximum capacity of the
connectable indoor units
Internal EEV
2. Installing the indoor unis
Model MCU-S6NEK2N
Example
installing
(Each port
connection)
Example
installing
(MCU series
connection)
Under 16.0 kW indoor unit : Don't use Y-connector
16.0 kW ~ 28.0 kW indoor unit : Use Y-connector at the Gas & Liquid line
If you want to continuous cooling operation under -5 °C, set outdoor 'Expand operational temperature range for cooling
operation (HR only)' , and use Y-connector on 5.0 ~ 16 kW indoor unit
In case of using Y-connector, it is only connectable for port combination at below Connectable port combination for
Y-connector : A + B port, C + D port, E + F port
Non-connectable port combination for Y-connector : B + C port, D + E port, non-continuous port
Installing
Set Dip Switch option for using Y-connector
indoor units
S/W Option
ON
1 2 3 4
Default
In case of MCU connection in series, the maximum capacity of indoor units
in MCU series connection is 61.6 kW
MCU-S6NEK2N
Up to 8 units
8
16 kW
(54MBH)
32.0 kw
(108 MBH)
61.6 kW
(216MBH)
Cannot connect indoor unit without internal EEV
MCU-S4NEK3N
MCU series connection
MCU
S/W Option S/W Option
ON ON
1 2 3 4 1 2 3 4
Combination of A+B port Combination of C+D port Combination of E+F port
MCU-S4NEK3N MCU-S2NEK2N
Up to 8 units Up to 8 units
16
16 kW 16 kW
(54MBH) (54MBH)
32.0 kw 32.0 kw
(108 MBH) (108 MBH)
61.6 kW 32.0 kW
(216MBH) (108MBH)
Not included
MCU-S2NEK2N
MCU
S/W Option
ON
1 2 3 4
MCU-S1NEK1N
Up to 8 units
32 32
16 kW
(54MBH)
-
16 kW
(54MBH)
MCU-S1NEK1N
11