58 Air-to-Water Heat Pump
Thermostat is generally used to control the product by air temperature. When thermostat is con-
nected to the product, the product operation is controlled by the thermostat.
General Information
supports following thermostats.
Before Installation
Thermostat
Followings should be kept before installation
• Main power must be turned off during installing 3rd party accessories.
• 3rd party accessories should be comply with supported specification.
• Proper tools should be chosen for installation.
• Never do installation with wet hands.
(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.
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.
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