LG Therma V HM091MRS Installation Manual page 54

ACCESSORIES INSTALLATION
54
General Information
The Heat Pump supports following thermostats.
Type Power
1)
Mechanical 230 V~
2)
Electrical
230 V~
1. There is no electric circuit inside the thermostat and electric power supply to the thermostat is
not required.
2. Electric circuit such as display, LED, buzzer, etc is included in the thermostat and electric
power supply is required.
3. Thermostat generates "Heating ON or Heating OFF" signal according to user"s heating target
temperature.
4. hermostat generates both "Heating ON or Heating OFF" and "Cooling ON or Cooling OFF"
signal according to user"s heating and cooling target temperature.
CAUTION
!
Choosing heating / cooling thermostat
• Heating / cooling thermostat must have "Mode Selection" feature to distinguish operation
mode.
• Heating / cooling thermostat must be able to assign heating target temperature and
cooling target temperature differently.
• If above conditions are not kept, the unit can not operation properly.
• Heating / cooling thermostat must send cooling or heating signal immediately when
temperature condition is satisfied. No delay time while sending cooling or heating signal is
permitted.
Operating Mode Supported
3)
Heating Only
4)
Heating / Cooling
3)
Heating Only
4)
Heating / Cooling
Yes
Yes
Yes
Yes