◆ Water Pump run
◆ 4-Way valve run
◆ Water Inlet Temperature
◆ Heat Pump FAN run
2.2 Operation steps
Step 1: Check icon status (The LCD locked If the icon is lighted).
Step 2: Press and hold for 3s to change the status from lock to unlock. With this
operation, the controller can response any other demands.
Step 3: Press 3 seconds to select modes，the order for different modes pops up:
Energy Conservation Heating Mode→ Powerful Heating Mode→
Cooling Mode (remark: mode menus are different from products, refer to chapter 6)
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