OPERATION MANUAL
IBS 40002210
Page | 17
V13 (January 2019)
Switching Off
Individual Zones/Tiers
CAUTION
When switched off or disconnected from the power source, the surface of the hot zones
may still be hot, and may take up to two hours to cool down.
WARNING
Cleaning and maintenance should only be carried out when sufficiently cooled and with
the mains supply isolated.
To switch off the respective zone, set the zone power switch to ‘O’ (central) position.
When the zone is turned off, the temperature display and power switch will go blank, and the zone will be
switched off.
To isolate, fully disconnect the incoming mains supply by the equipment power switch/isolator, or by
disconnecting the power cord from the supply.
Zone power switch
O: Off
position
Programmer display
Zone indicator