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Option 70 - Keyboard disable rules
This establishes the degree of functionality of the 
keyboard available to the user. It is only active if DIL 
switch 1 is set to “Disabled”. Press + until Option 70 is 
displayed, use V and Λ to select required setting.
Setting 0 Normal lock: Programming functions locked (factory setting)
Setting 1 Full lock: All keys are disabled
Option 71 - Random start rules (24V/230 Volt models only)
This enables a random start on power-up following a 
power cut to reduce load on the electrical network. 
Random delay is in the range of 2 - 90 seconds. Press 
+ until Option 71 is displayed, use  V and Λ to select 
required setting.
Setting 0 Disabled (factory setting)
Setting 1 Enabled
Installation Instructions
GB
Option 41 - Operating Mode (5/2 day or 24 hour)
This sets the thermostat to operate using either 
5/2 day or 24 hour mode. Press + until option 41 is 
displayed, use Λ or V to select required setting.
5-2 5/2 day (Factory setting)
24 24 hour
Option 72 - Owner site reference number
This enables multi-site owners to store a site 
reference number in the thermostat. Press + 
until Option 72 is displayed, use V and Λ to select 
required setting.
Setting  Any value between 00 and 99 can be set
Factory setting is 00