Dhw Contact For Air Handler - Vitodens 100 Wb1B - Viessmann AirflowPLUS AH2A-213 Installation, Service And Operating Instruction

Operation
DHW Contact for Air Handler
Note: This is not applicable for Vitodens 100 WB1B
boilers equipped with CombiPLUS or DHW storage tank.
Dial setting
0-6 boiler supply water temperature automatically
adjusted to 172°F (78°C) regardless of dial setting.
40
Viessmann AirflowPLUS AH2A Installation, Operating and Service
- Vitodens 100 WB1B
If the Viessmann AirflowPLUS air handler is installed
with a Vitodens 100 WB1B boiler in a multi zone system.
Without DHW, the DHW contact of the boiler can be
used as a second temperature setpoint for the air handler.
When the air handler call for heat closes, the boiler supply
temperature will automatically adjust to 172°F (78°C).
There is no adjustment available for this temperature set
point.
When using the domestic hot water contact, the display
shows " ", during a call for heat from the Viessmann
AirflowPLUS.