System Layout 1 - Viessmann AirflowPLUS AH2A-213 Installation, Service And Operating Instruction

Viessmann AirflowPLUS AH2A Installation, Operating and Service

System Layout 1

Legend
A Vitocrossal 300 CU3A high mass boiler
B System fill with expansion tank
C Viessmann AirflowPLUS air handler
D Thermostat (field supplied)
E Indirect fired DHW storage tank
Refer to page 24 for the Viessmann AirflowPLUS
connection to external heat demand of the boiler.
IMPORTANT
Please note location of expansion tank.
Sizing of field-supplied pumps are critical for proper
boiler operation in this system layout. An undersized
pump may cause short-cycling and/or improper operation
of the boiler.
Additional Information
49