Viessmann Vitocrossal 300 Series User Manual

for use by heating contractor
Please file in Service Binder
5673 649 -18 10/2019
Service Instructions
VITOCROSSAL 300
Vitocrossal 300 CU3A
Models 26, 35, 45, 57, 94, 125, 160, 199
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
Read and save these instructions
for future reference.
Product may not be exactly as shown
IMPORTANT
H

Viessmann Vitocrossal 300 Series Specifications

General

Model	Vitocrossal 300 Series
Category	Boiler
Boiler Type	Condensing Boiler
Heat Exchanger Material	Stainless Steel
Fuel Type	Gas
Efficiency	Up to 98%
Installation Type	Floor-standing
Control System	Vitotronic Control
Modulation Range	1:10
Water Content	Varies by model, consult product brochure
Dimensions	Varies by model, consult product brochure
Weight	Varies by model, consult product brochure
Operating Pressure	Up to 3 bar