79
Note
If the heating system includes heating
circuits with mixers, then the flow tem-
perature of the heating circuit without
mixer is higher by a selected differential
(8 K in the delivered condition) than the
flow temperature of the heating circuits
with mixers.
The differential temperature is adjusta-
ble via coding address "9F" in the "Gen-
eral" group.
0.2
Outside temperature in °C
Boiler water or Flow temperature in °C
Slope
2.4
2.6
2.8
3.0
3.2
3.4
90
80
70
60
50
40
30
0
-5 -10 -15 -20
5
10
2.0
2.2
Set room temperature in °C
35
30
25
20
15
10
5
0.4
0.6
0.8
1.0
1.2
1.4
-30
-25
1.8
1.6
Slope setting ranges:
■ Underfloor heating systems: 0.2 to 0.8
■ Low temperature heating systems: 0.8
to 1.6
Selecting the set room temperature
Individually adjustable for each heating
circuit.
The heating curve is offset along the axis
of the set room temperature. With the
heating circuit pump logic function ena-
bled, the curve modifies the starting and
stopping characteristics of the heating
circuit pump.
Commissioning, inspection, maintenance
Further details regarding the individual steps
(cont.)
5773 238 GB
Service
Summary of Contents for B2UA
Page 10: ...10 13 14 15 Preparing for installation Preparing the installation cont 5773 238 GB ...
Page 11: ...11 16 Preparing for installation Preparing the installation cont 5773 238 GB Installation ...
Page 12: ...12 sF 17 19 21 20 18 Preparing for installation Preparing the installation cont 5773 238 GB ...
Page 14: ...14 27 26 25 Preparing for installation Preparing the installation cont 5773 238 GB ...
Page 41: ...41 2x 1 4 2 3 5 Installation sequence Fitting the front panels 5773 238 GB Installation ...
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