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Vitodens 100-W, B1HA/B1KA 26 to 125 Combi Installation/Service
Technical Data
Additional Information
Call for heat priority logic table
Priority Control operating
mode
Required signal
*
1
Pump output Pump off delay
1
Freeze protection
Boiler temperature < 41ºF (5ºC)
On
4 minutes (240 seconds)
2
OpenTherm (OT)
Open Therm (OT) signal / room
thermostat
On
20 seconds
3
Combi (B1KA only)
DHW flow sensor / temp. sensor
On
none
4
DHW (B1HA only)
DHW temperature sensor reading drops
below set point. Close DHW contact in
control (aquastat).
- boiler set-point temp. = 176ºF (80ºC)
(non-adjustable)
On
20 seconds
The Vitodens 100-W, B1HA /B1KA boilers has several operating control options. The following table provides the
priority levels of each of the different operating controllers.
*
1
Boiler control will adjust the boiler water temperature set-point to the highest of all input signals.
