Product Information; Fuel(S); Boiler Control - Viessmann Vitocrossal 300 CT3 Series Operating Instructions And User's Information Manual

Vitocrossal 300, CT3 Series Operating

Product Information

Legend
V Vent pipe connection
SH Female connection R ½ in. for safety header (air vent
and pressure gage)
D Drain
CD Condensate drain
BR 1 Boiler return 1
BR 2 Boiler return 2
BTS Boiler temperature sensor
BD Boiler door with burner connecting flange
BS Boiler supply
IO Inspection opening
SS Safety supply (pressure relief valve)
OP Observation port (boiler from CT3-17 - 28:
offset by 90º)

Fuel(s)

Boiler Control

The Viessmann Vitocrossal 300, CT3 boiler series is CSA
certified for Canada, is constructed in compliance with
CSA B51 Standard and carries Canadian Registration
Numbers.
The boiler is suitable for a maximum operating pressure
of 30 psig and a maximum boiler water temperature
of 210° F (99° C).
The Vitocrossal 300 boiler must only be installed in
closed loop hot water heating systems using a precharged
membrane expansion tank.
The Vitocrossal 300 boiler series is CSA certified together
with Weishaupt and Riello burners which must be used
in conjunction with this boiler.
The proper burner size must be verified and the burner
must be adjusted so that the maximum input of the
appropriate boiler size is always observed and adjusted.
The gas burner must be installed according to the
instructions supplied by the burner manufacturer.
Natural gas (NG) or liquid propane gas (LPG).
The Vitocrossal 300 boiler series is operated with
a Vitotronic control and microcomputer indoor/
outdoor control system for boiler operation without
low temperature limit. The control system must be
programmed for this type of operation by the installer.
Control instructions supplied
with boiler control.
General Information
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