24V Thermostat Interface
Thermostat Interface
Installation Manual
12-EN
Fixed capacity mode settings
SW02-2,
SW02-3, SW02-4: When the system is configured in Fixed capacity mode (SW02-1: ON), the 24V Thermostat Interface provides
capacity according to the following table depending on the signals (Y1/Y2, W1/W2) from the Thermostat.
1. Cooling operation
Note: In case only Y1 signal is used, set SW02-3 at ON position.
2. Heating operation
Note: In case only W1 signal is used, set SW02-4 at ON position.
Minimum Run Timer
SW02-6: The Minimum Run Timer protects the system reliability by maintaining the minimum duration of the system operation
based on the following table. The Minimum Run Timer sustains the system operation even if the Thermostat turns off
prior to an expiry of the Minimum Run Timer.
Note: SW02-5, SW02-7, and SW02-8 are reserved. Do not change them from OFF position.
SW02-3
SW02-2
Operation (Capacity)
OFF
OFF
Y1: 75%, Y2: 100% (Default)
OFF
ON
Y1: 50%, Y2: 100%
ON
OFF
Y1: 100%, Y2: 100%
ON
ON
SW02-4
SW02-2
Operation (Capacity)
OFF
OFF
W1: 75%, W2: 100% (Default)
OFF
ON
W1: 50%, W2: 100%
ON
OFF
W1: 100%, W2: 100%
ON
ON
SW02-6
Operation
OFF
5 minutes (Default)
ON
10 minutes
