To set up mining only ETH or only ETC, specify one wallet and coin ETH or ETC - there are no other differences in the setting.
Select the “Wallets” tab in the menu
Click “Add wallet”
Enter a name for the wallet, for example, “Ezil wallet” and click “Add wallet”
Enter the name of the coin, for example, "ETH/ETC + ZIL", then select the coin from the list - "ETH - Ethereum" and the server closest to you from the list.
Password - X In the Wallet field, enter both of your wallets ETH/ETC and ZIl separated with a dot. If the name of the worker is not displayed correctly on the pool, add a period and the name of the worker after a pair of wallets. Example: ethwallet.zilwallet.workername
Choose your preferred miner.
Here's an example of how to fill in the Wallet field.