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Digital Input for energy saving (ESS, Smart Grid)
This product provides two digital inputs (ES1/ES2) that can be used to switch between energy
states when not using Modbus RTU (CN_MODBUS).
Available Energy States
There are 8 energy states available in total. Four different states can be triggered using the
230V-inputs – by default Energy states 1-4.
With the digital input assignment in the menu 'Energy state/Digital input assignment of the
control panel, different Energy states can be selected for Signals 0:1 and 1:1.
0:0 is always linked with ES2 (Normal operation) and 1:0 is always linked with ES1 (Operation
off/Utility lock).
How to set Digital input signal
Follow below procedures step 1 ~ step 3.
Step 1. Check if the power of the unit is turned off.
Step 2. Disassemble front panels and distinguish terminal block in Indoor PCB.
Step 3. Connect signal cable to terminal block in PCB (ES2, ES1) fully as shown below.
ES2
Energy state depending on input signal (ES1/ES2)
Input Signal
ES1
0
1
0
1
ES1
ES2
0
0
1
1
ACCESSORIES INSTALLATION
Indoor PCB
Indoor PCB
Output state
Default
ES2
ES1
ES3
ES4
101
Range
fixed
ES3-ES8
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