Pump Connection - Viessmann Vitocrossal 300 CU3A 26 Installation Instructions Manual
Floor mounted, gas-fired condensing boiler with matrix gas burner and lambda pro control
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Also See for Vitocrossal 300 CU3A 26:
- Technical data manual (33 pages) ,
- Service instructions manual (116 pages) ,
- Operating instructions manual (44 pages)
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Vitocrossal 300 CU3A 26 to 199 Installation
Connections
(continued)
Legend
aBJ output connection
Note: See wiring diagram on page 57 for connection
to the control base.
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
- zone circuit pump
Refer to the Vitocrossal 300 CU3A Service
Instructions for applicable coding.
Note: Maximum output 2 FLA
Integrate EA1 module
Control Connections
37
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