LG PREMTC00U Owners & Installation Manual page 299

INSTALLER SETTING
28
Static pressure (Code 6)
Static pressure setting can be set only in the duct products. (It cannot be set in other products.)
<Static pressure setting table>
Pressure selection
Zone state
01 V-H Variable
02 F-H Fixed
03 V-L Variable
04 F-L Fixed
Override master/slave setting (Code 8)
The operation master / slave selection function is to avoid other mode operations, and it is the
function to prevent the selection of opposite mode of the indoor unit master by the indoor units
set as slaves.
M/S
01 Master Using group control, this master sets the mode of slave IDU's.
For the indoor unit set as slave, it can only select the some operation
mode of the master indoor unit cycle.
Ex) Master is in cooling cycle, slave can select cooling,
02 Slave
dehumidification, auto, and wind only.
Master is in heating cycle, slave can select auto, heating, and wind
only.
!
NOTE
• Override M/S setting function is only available in some products.
Function
ESP standard value
High
High
Low
Low
Description
Dry contact mode setting (Code 9)
Dry contact function is the function that can be used only when the dry contact devices is
separately purchased and installed.
!
NOTE
• For dry contact mode related detail functions, refer to the individual dry contact manual.
• What is dry contact?
- It means the contact point signal input when the hotel card key, human body detection
sensor, etc. are interfacing with the air conditioner.
- Added system functionality by using external inputs (dry contacts and wet contacts).
Heating thermal on/off setting (Code 15)
You can adjust the heating on / off temperature according to the field environment in preparation
for over heating or heating claim.
Value Thermal on
0 Default(Different from each product)
1 8°F(4°C)
2 4°F(2°C)
3 -2°F(-1°C)
4 -1°F(-0.5°C)
Emergency heater setting (Code 18)
This function is only available on some products.
This function will set the emergency heater setting.
Emergency heater is used to heat the space in emergency cases such as heat pump error.
Emergency heat is in place of and does not supplement heat pump.
h Emergency heater setting function sets following conditions:
1) Emergency heater operation while in error or outdoor unit operating in the cooling cycle.
2) Emergency heater operation in low outdoor ambient temperature.
3) Fan speed setting during emergency heater operation.
Function code
Value 2 : Low outdoor ambient heating operation
Value 3 : Fan speed setting during emergency heater operation
Value 1 : Heater operation while in error or outdoor unit operating
in the cooling cycle.
h Press
button to value 1, value 2 or value 3.
INSTALLER SETTING
29
Thermal off
12°F(6°C)
8°F(4°C)
2°F(1°C)
1°F(0.5°C)