LG PAHCMR000 Installation Manual page 16

RETURN AIR TEMPERATURE CONTROL (PAHCMR000)
16
n Universal Input – UI Setting #1
'UI setting #1' is available when DIP SW1-2 is OFF and both of DIP SW 2-3 and SW 2-4 are OFF
Note : DIP SW 1-2 is for contact signal control
Name Port
Short
ON /
UI1 (DI) ON
OFF
Cool /
UI2 (DI) Heating Cooling Non voltage
Heat
Forced
Thermal Thermal
UI3 (DI)
ON / ON
OFF
Voltage (V)
Target
UI4 (AI)
Temp.
NOTE
Maintain previous value when getting intermediate value to UI4
Value
Electrical
Spec.
Open
OFF Non voltage ON/OFF operation control
Thermal
Non voltage
OFF
Electrical Spec.
1.5
2.0
2.5
3.0
3.5
4.0
4.5
DC 0~10 V,
5.0
5.5
20 mA
6.0
6.5
7.0
7.5
8.0
8.5
9.0 ≤
Function
Heating/Cooling Operation Control
if operation mode (DIP SW 3-2, 3-3) is set to cooling
only mode, UI2 "Short" status will work as fan mode.
if operation mode (DIP SW 3-2, 3-3) is set to heating
only mode, UI2 "Open" status will work as fan mode.
When UI3(Target temp.) is less than 1.5 V, Target
temp. and Room temp. is fixed like below table
Mode
Cooling mode
UI3 status
Target temp. = 16 °C
Thermal ON
Room temp. = 30 °C
Target temp. = 30 °C
Thermal OFF
Room temp. = 16 °C
Cooling Mode [°C]
UI3 short : 16 °C, UI3 open : 30 °C UI3 short : 30 °C, UI3 open : 16 °C
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Heating mode
Target temp. = 30 °C
Room temp. = 16 °C
Target temp. = 16 °C
Room temp. = 30 °C
Heating Mode [°C]
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30