Controller Settings - LG PAHCMS000 Installation Manual

AHU COMMUNICATIONS KIT INSTALLATION

Controller Settings

Universal Input – UI Setting #1
UI setting #1 is available when DIP switches SW1-2, SW2-3, and SW2-4 are Off.
Note : Dip SW 1-2 is for contact signal control
Name Port
On / Off UI1 (DI)
Cool / Heat UI2 (DI)
Forced
Thermal
Thermo UI3 (DI)
On / Off
< 1.5
Target
UI4 (AI)
Temp.
9
Note : Maintain previous value when getting intermediate value to UI4
20
Value
Electrical
Short Open Spec.
On Off Non voltage
Heating Cooling Non voltage
Thermal
Non voltage
On Off
Voltage Electrical
Spec.
V Min. Max
0 1.6
2 0 . 1 9 . 2 1 .
2 5 . 2 4 . 2 6 .
3 0 . 2 9 . 3 1 .
3 5 . 3 4 . 3 6 .
4 0 . 3 9 . 4 1 .
4 5 . 4 4 . 4 6 .
DC 0~10 V,
5 0 . 4 9 . 5 1 .
20 mA
5 5 . 5 4 . 5 6 .
6 0 . 5 9 . 6 1 .
6 5 . 6 4 . 6 6 .
7 0 . 6 9 . 7 1 .
7 5 . 7 4 . 7 6 .
8 0 . 7 9 . 8 1 .
8 5 . 8 4 . 8 6 .
0 . ≤ 8 7 . 0 1 0 .
Due to our policy of continuous product innovation, some specifications may change without notification.
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Function
Operation On/Off Control
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 UI4(Target temp.) is less than 1.5 V, Target temp. and Room
temp. is fixed like below table
Mode
Cooling Mode (°F)
UI3 status
Target temp. = 60
Thermal On
Room temp. = 80
Target temp. = 80
Thermal Off
Room temp. = 60
Cooling Mode (°F)
UI3 short : 60
UI3 open : 80
0 6
2 6
4 6
6 6
8 6
9 6
1 7
3 7
5 7
7 7
8 7
0 8
2 8
4 8
6 8
Heating Mode (°F)
Target temp. = 80
Room temp. = 60
Target temp. = 60
Room temp. = 80
Heating Mode (°F)
UI3 short : 80
UI3 open : 60
0 6
2 6
4 6
6 6
8 6
9 6
1 7
3 7
5 7
7 7
8 7
0 8
2 8
4 8
6 8