Vitodens 200-W B2HA 112, 150 Service
45
5683 710 - 09
Coding 1
Heating Circuit 1, 2 and 3
(continued)
Coding in the factory setting
Possible change
Extended economy function mixing valve
A7:0
Without mixing valve economy
function
A7:1
With mixing valve economy
function (extended heating circuit
pump logic): Heating circuit
pump also “OFF”:
- If the mixing valve has been
attempting to close for longer.
than 20 minutes. Heating circuit
pump “ON”:
- If the mixing valve changes to
control function.
- If there is a risk of frost.
Pump idle time, transition reduced mode
A9:7
With pump idle time:
Heating circuit pump “OFF” if
the set value is altered through
a change in operating mode or
through a change in the set room
temperature
A9:0
Without pump idle time
A9:1
to
A9:15
With pump idle time, adjustable
from 1 to 15.
Economy function room temperature
B5:0
With remote control: No room
temperature dependent heating
circuit pump logic function
B5:1
to
B5:8
Heating circuit pump logic
function, see the following table:
Parameter address
B5:...
With heating circuit pump logic function:
Heating circuit pump “OFF”
Heating circuit pump “ON”
1
RTactual > RTset + 5 K
RTactual < RTset + 4 K
2
RTactual > RTset + 4 K
RTactual < RTset + 3 K
3
RTactual > RTset + 3 K
RTactual < RTset + 2 K
4
RTactual > RTset + 2 K
RTactual < RTset + 1 K
5
RTactual > RTset + 1 K
RTactual < RTset
6
RTactual > RTset
RTactual < RTset - 1 K
7
RTactual > RTset - 1 K
RTactual < RTset - 2 K
8
RTactual > RTset - 2 K
RTactual < RTset - 3 K