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5784 568 - 03
Vitodens 100-W, B1HA series & B1KA 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. = 172ºF (78ºC)
(non-adjustable)
On
20 seconds
5
Outdoor temperature
sensor (OTS)*
2
- Temperature “
w
r
” setting
- 96 plug terminals dual L and I jumpered.
On
4 minutes (240 seconds)
6
Set point temperature
operation
Close
lH
contact in control.
96 plug terminals dual L and I jumpered.
On
4 minutes (240 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.
*
2
Priority #5 and #6 (outdoor temperature sensor contact) not functional when OT inputs are recognized by the boiler
control.
