Samsung MCU-S4NEK3N User Manual

29
Option SEG7 SEG8 SEG9 SEG10
Explanation PA GE
(When setting SEG3)
Standard for mode
changing Cooling

Heating mode
(When setting SEG3)
Time required for
mode change
Compensation option for Long pipe or height
diference between indoor units
Remote
Controller
Display
Indication and
Details
Indication Details Indication Details Indication Details Indication Details
1
0 1 0 5 min. 0 Use default value
1 1.5 1 7 min.
1
1) Height dierence
1)
is more than 30m or
2) Distance
2)
is longer than 110m
2 2 2 9 min.
3 2.5 3 11 min.
4 3 4 13 min.
2
1) Height dierence
1)
is 15~30m or
2) Distance
2)
is 50~110m
5 3.5 5 15 min.
6 4 6 20 min.
7 4.5 7 30 min.
J MCU-S12NEK1N & MCU-S8NEK1N models have two PBA in the control box.
There are two sections in the MCU. So, key operation must be set dierently for each section.
Key operation
K1 K2
K3 K4
Display MCU status
Display indoor unit's address
Solenoid valve manual control
K1
(Pushed time)
Display Contents
Display segment
Remarks
1234
1
MCU address
0
Blank 0 0
MCU address 0
Blank 0 1
MCU address 1
Blank 0 2
MCU address 2
Blank 1 1
MCU address 11
Blank 1 5
MCU address 15
2
Mode switching EEV1 step
1480
Ex) 480 steps
3
Mode switching EEV2 step
2480
Ex) 480 steps
4
Mode switching EEV3 step
3480
Ex) 480 steps
5
Mode switching EEV4 step
4480
Ex) 480 steps
6
Mode switching EEV5 step
5480
Ex) 480 steps
7
Mode switching EEV6 step
6480
Ex) 480 steps
8
Subcooler EEV step
7480
Ex) 480 steps
9
Subcooler-in sensor temperature
8
-01
Ex) -1°C
Blank 1 0
Ex) 10°C
10
Subcooler-out sensor temperature
9
-01
Ex) -1°C
Blank 1 0
Ex) 10°C
11
On/O for solenoid valve A_C, A_H
A
-
• ✴_C : Cooling solenid valve of port ✴
✴_H : Heating solenid valve of port ✴
• 3rd segment : Cooling solenid valve On : 1 / O : 0
• 4th segment : Heating solenoid valve On : 1 / O : 0
12
On/O for solenoid valve B_C, B_H
B
13
On/O for solenoid valve C_C, C_H
C
14
On/O for solenoid valve D_C, D_H
D
15
On/O for solenoid valve E_C, E_H
E
16
On/O for solenoid valve F_C, F_H
F
17
On/O for liquid by pass solenoid valve
G
Blank o n
Ex) On
oFF
Ex) O
18
Version
8A20
Ex) October 20, 2008 → 8A 20
19
End of K1 display
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Samsung MCU-S4NEK3N Specifications

General

Brand	Samsung
Model	MCU-S4NEK3N
Category	Air Conditioner
Language	English