Download Mounting and Operating Instructions EB 5474 EN

Appendix
PA2: Separate heating circuit (only in systems Anl 1 to 3 with Co5 -> Fb13 = ON)
PA3: Direct heating circuit (only in systems Anl 1 to 3 with Co5 -> Fb13 = ON)
In the PA3 parameter level, “3” appears instead of “2” on the left of the display.
Parameter designation
Range of values (default setting)
Display
0 1 2 3 4 5 6 7 8 9 10 1112 131415 16 171819202122 23 24
4-point characteristic
Press to set parameters
outdoor temperature (points 1 to 4)
flow temperature (points 1 to 4) and
set-back difference (points 2 to 3).
In PA2 (PA3) only with Co2 (Co3) -> Fb10 = ON, option: 1
0 1 2 3 4 5 6 7 8 9 10 1112 131415 16 171819202122 23 24
4-point characteristic, point 1: Outdoor temperature
˚C
Outdoor temperatures of the points 2, 3, 4 are marked by squares
below the numbers 2, 3, 4.
–20 to 50 °C
(Point 1: –10 °C, point 2: –5 °C, point 3: 5 °C, point 4: 10 °C)
In PA2 (PA3) only with Co2 (Co3) -> Fb10 = ON, option: 1
0 1 2 3 4 5 6 7 8 9 10 1112 131415 16 171819202122 23 24
4-point characteristic, point 1: Flow temperature
˚C
Flow temperatures of the points 2, 3, 4 are marked by squares
below the numbers 2, 3, 4.
20 to 160 °C
(Point 1: 90 °C, point 2: 80 °C, point 3: 68 °C, point 4: 50 °C)
In PA2 (PA3) only with Co2 (Co3) -> Fb10 = ON, option: 1
0 1 2 3 4 5 6 7 8 9 10 1112 131415 16 171819202122 23 24
4-point characteristic: Set-back difference, point 2
˚C
Set-back difference of the point 3 is marked by square below the
number 3.
0 to 30 °C
(Point 2: 15 °C, point 3: 20 °C)
In PA2 (PA3) only with Co2 (Co3) -> Fb10 = ON, option: 1
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EB 5474 EN