Viessmann VITOCROSSAL 300 Service Manual

for use by heating contractor
Please file in Service Binder
5673 649 - 03 06/2015
Service Instructions
VITOCROSSAL 300
Vitocrossal 300
CU3A Series 26 to 57
Floor mounted, gas-fired condensing boiler with MatriX gas burner and Lambda Pro control
For operation with natural gas and liquid propane gas
Heating input 19 to 199 MBH
5.6 to 58 kW
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Product may not be exactly as shown
IMPORTANT
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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%