Go to Account - Asset and select ZEC Deposit.
Before depositing, please finish Basic Verification and Add ZEC address.
After creating a ViaBTC account, you will be assigned with a ZEC address by ViaBTC for deposit. If you already have a ZEC wallet, please scan QR code and deposit.
Your ZEC deposit will be transferred to your account after 1 confirmation.
To quicken confirmation, your deposit transaction will be included in ViaBTC pool for automatic acceleration.