Operating instructions

61
Installation
Changing the high limit safety cut−out setting (if required)
The high limit safety cut−out is supplied with a factory setting of 120 ºC.
!
Please note
If the high limit safety cut−out is to remain set to 120 ºC, also install a
minimum pressure limiter (see page 84 and 136), to prevent injury and
material losses.
Note
Vitocrossal 300 and Vitogas 100 must be changed over to 110 ºC.
Low temperature
boiler
Vitogas100,
Vitocrossal300
High limit safety cut−out 120ºC 110ºC 100ºC 110ºC 100ºC
Thermostat (see page65) 110ºC 100ºC 87ºC 100ºC 87ºC
Electronic max. temperature limit
Coding address"06" (see page142)
105ºC 95ºC 85ºC 95ºC 85ºC
Max. temperature of
on−site control unit
100ºC 90ºC 80ºC 90ºC 80ºC
5862730GB