QuickZone QZ-4 is a 4 zone Conventional / Twin Wire (sav-wire) control panel with integral power supply & space for standby batteries. The panel continues the attributes of quality and reliability, that is ways to install, maintain, and is simple to operate for the end user. Four fire zone circuits are provided plus two monitored sounder circuits. Fire and fault VFCO relays, Fire & Fault switched negative outputs; class change and an alert input are also included. Four fire zone circuits are provided plus two monitored sounder circuits. Fire and fault VFCO relays, Fire & Fault switched negative outputs, class change and an alert input are also included. The fire zone outputs can be set as ‘Twin Wire’ by DIL switch selection. The DIL switches are also used to allow Zone interface setting and Access to Level 3 mode