LG Dry Contact, Installation Manual, Page: 20 / 25

Installation manual 13 12 Dry contact for thermostat
ENGLISH
Setting and using method
n
Function table for the selection of ‘SETTING_SW’ and the
input signal
Notes
1) Thermal On : This input will change automatically desired temperature
Desired Temperature 18 °C In cooling mode
Desired Temperature 30 °C In heating mode
No function In FAN mode
CHANGEOVER_SW
RESET_SW
CN_Ther/Oper CN_MODE
CN_WIND
SETTING_SW
85
SETTING_SW
COMM Themal Operation COMM FA
N
HEA
T
COOL LOW MIDDLE HIGH
SETTING
_SW CN_MODE input
Function
FAN HEAT COOL
2,3,6,7,A,B,E,F
0 0 0 NA
0 0 1 COOL
0 1 0 HEAT
0 1 1 NA
1 0 0 FAN
1 0 1 NA
1 1 0 NA
1 1 1 NA
Others - - - NA
SETTING
_SW CN_WIND input Function
Low Middle High
8,9,A,B,C,D,E,F
0 0 0 NA
0 0 1 High
0 1 0 Middle
0 1 1 NA
1 0 0 Low
1 0 1 NA
1 1 0 NA
1 1 1 NA
Others - - - NA
SETTING
_SW
CN_Ther/Oper input Function
Thermal Operation
4,5,6,7,C,D,E,F
0 0 Thermal Off + Stop
0 1 Thermal Off + Run
1 0 Thermal On + Stop
1 1 Thermal On + Run
Others - - NA
Setting and using method
Use WIND Signal?
Set the switch ‘0 ~ 7’
Use Thermal function?
Use Operation mode?
Switch 0
Set the switch ‘0 ~ 3’
Set the switch ‘0 ~ 1’ Set the switch ‘2 ~ 3’
Switch 1 Switch 2 Switch 3 Switch 4 Switch 5 Switch 6 Switch 7
Set the switch ‘4 ~ 7’
Use Operation mode?
YES
NO
NO
YES
NO
NO YES NO YES NO YES NO
NO
YES YES
Use Dry Contact
Control Priority?
Use Dry Contact
Control Priority? Use Dry Contact
Control Priority? Use Dry Contact
Control Priority?
Use WIND Signal?
Set the switch ‘8 ~ F’
Use Thermal function?
Use Operation mode?
Switch 8
Set the switch ‘8 ~ B’
Set the switch ‘8 ~ 9’ Set the switch ‘A ~ B’ Set the switch ‘C ~ D’ Set the switch ‘E ~ F’
Switch 9 Switch A Switch B Switch C Switch D Switch E Switch F
Set the switch ‘C ~ F’
Use Operation mode?
YES
YES
NO
YES
NO
NO YES NO YES NO YES NO
NO
YES YES
Use Dry Contact
Control Priority? Use Dry Contact
Control Priority? Use Dry Contact
Control Priority? Use Dry Contact
Control Priority?
Set the switch ‘4 ~ 5’ Set the switch ‘6 ~ 7’
-. When not using WIND signal
-. When using WIND signal
n
Flow Chart for ‘SETTING_SW’
Notes
• When you change a function with remote control without setting Dry_contact control priority the display
condition between remote control and controller can be different.