The Accelerator has SSLv3 blocked by force – it cannot be used on it.
The Balancer allows SSLv3, but it can be disabled on a per group basis.
To make sure it is disabled head to Balancer -> Group Management
Now click Edit on the Group you wish to disable SSLv3 on
Once editing the Group head to SSL Options and disable SSLv3 in the tab
Last thing to do is click Save