Commissioning; Testing The Fixed High Limit; Matching The Coding Addresses To The System Version; Commissioning Testing The Fixed High Limit - Viessmann VITOTRONIC 100 GC1B Installation And Service Instructions Manual

Commissioning

Testing the Fixed High Limit

Matching the Coding Addresses to the System Version

Category
0C:__ 2 "Boiler"
0d:__ 2 "Boiler"
4C:__ 1 "General"
4d:__ 1 "General"
4E:__ 1 "General"
98:__ 1 "General"
9C:__ 1 "General"
76
Function
Return temperature control
Therm-Control
Function at plug sÖ
Function at plug sL
Function at plug gS
Viessmann system number
Monitoring LON participants
Vitotronic 100, GC1B Installation and Service
The minimum circulation volume should be 10% of the
circulation volume at rated load.
Reduce the heat consumption as far as possible.
1. Hold down the "TEST" key until the burner has shut
down:
Thermostat is bridged. The fixed high limit must
shut down the burner at the latest when the safety
temperature has been reached.
2. Release the "TEST" key.
3. Wait until the boiler water temperature has dropped
approx. 15 to 20 K below the selected safety
temperature.
4. Reset the fixed high limit by pressing reset button.
Refer to the Operating Instructions.
Check and adjust accordingly all addresses in Code 1.
Check the following coding addresses and adjust
accordingly in Code 2: