Viessmann VITOCROSSAL 300 Installation Instructions Manual page 34
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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Also See for VITOCROSSAL 300:
- Service instructions manual (164 pages) ,
- Service instructions for contractors (148 pages) ,
- Service manual (108 pages)
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Control Connections
Connections
(continued)
aBJ output connection
Note: See wiring diagram on page 50 for connection
to the control base.
34
Function
The aBJ output is a programmable function output and
may be coded for only one of the following functions;
- alarm output
- DHW recirculation pump
- field pump
Refer to the Vitocrossal 300 CU3A Service
Instructions for applicable coding.
Note: Maximum output 2 FLA
Integrate EA1 module
Vitocrossal 300 CU3A 26 to 57 Installation
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