Samsung AM080xXV Series - Page 243

8-2 Samsung Electronics
SW58
K21 K22
K21 K22
TENONE MCU
0
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
Switch Setting Function Remarks
SW51/
SW52
Setting total number of installed indoor unit
SW51: Tens digit, SW52: Units digit
Setting can be done from the main outdoor unit only
(sub unit: setting is unnecessary)
Ex) When 12 indoor units are installed
→
SW51: 1, SW52: 2
K5
ON H/P(H
eat Pump) System Conn
ect Liguid pipe and High pressure gas pipe
OFF HR(Heat Recovery) SystemClose outdoor unit's heatpump valve
K6
ON
Enable maximum capacity restriction for cooling
operation
Restrict excessive capacity increase when operating indoor
u
nits with small capacity
OFF
Disable
maximum capacity restriction for cooling
operation
-
K7 K8 Selecting outdoor unit address
ON ON Outdoor unit address: No 1 Main unit
ON OFF Outdoor unit address: No 2Sub unit 1
OFF ON Outdoor unit address: No 3Sub unit 2
OFF OFF Outdoor u
nit address: No 4 Sub unit 3
SW57 Setting tota
l number of connected MCU
Setting can be done from main unit only
Ex) When 3 MCUs are installed
→
SW57: 3, SW52: 2
SW58
K21K22 Selecting type of circulating water
ON ON Water circulation -
ON OFF
Anti-freeze circulation (freezing point of anti-freeze
must be below -8 °C)
Minimum temperature of entering water -5 °C
OFF ON
Anti-freeze circulation (freezing point of anti-freeze
must be below -15 °C)
Minimum temperature of entering water -10 °C
※
M
aintain appropriate concentration level of anti-freeze according to SW58 switch setting.
㽞 AM080/100/120/200FXWA66
※
If you install HR products, you must match the address between the MCU and the indoor unit.