From version 1.9.0 onwards you get a unified transaction view with transactions from all your accounts ('All transactions').

To exclude accounts from the refresh, please follow these steps:

• Click on 'All transactions' to open the unified transaction view
• Tap on the thre dots in the upper right corner > Filter 
• Click on accounts or account groups to select the accounts/groups you want to include in the total sum
• If you refresh your accounts now (pull down in the list of transactions in 'All Transactions'), only the selected acocunts will be refreshed