Viessmann VITOCROSSAL 300 User Manual

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Vitocrossal 300 CU3A 26 to 57 Operating
Emissions
Emissions Test Mode
Emissions test mode should only be activated by a
certified technician during the annual inspection.
Extended menu:
1.
2. “Test mode”
3. “Flue gas test °C ON”
The following functions are activated:
H The burner is switched on (the display shows symbol).
Note: Burner start-up can be delayed, e.g. through fuel
oil preheating.
- The pumps are started and the mixing valves
remain in control function.
- The temperature controller regulates the boiler
water temperature.
Note: You can also enable emissions test mode if the
controls are locked out by your heating contractor.
Ending emissions test mode
H Automatically after 30 min.
H Press
OK .

Viessmann VITOCROSSAL 300 Specifications

General

Model	VITOCROSSAL 300
Category	Boiler
Boiler type	Condensing Boiler
Heat Exchanger Material	Stainless Steel
Warranty	2 years
Efficiency	Up to 98%
Control	Vitotronic control system
Fuel Type	Natural Gas
Standard efficiency	98%