Installing The Boiler Heat Exchanger Sections - Viessmann Vitocrossal 300 CA3B Disassembly And Reassembly Instructions

Vitocrossal 300, CA3B Series 2.5 to 6.0 Technical Data

Installing the Boiler Heat Exchanger Sections

1. Place the boiler sections carefully on the base frame,
aligning with mounting bolts.
2. Use A12 lock washers and M12 nuts to attach the
boiler modules to the base frame. Tighten the nuts
evenly torque to 37 lb.ft (50 Nm).
Note: The 1.5 MMBTU heat exchanger is fastened to the
base frame using 4x nuts and washers.
The 2.0 MMBTU heat exchanger is fastened to the
base frame using 5x nuts and washers
Reassembly
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