
160
Analogue input 0 – 10 V
The 0 – 10 V hook-up provides an addi-
tional set boiler water temperature:
0 – 1 V is taken as "no default for set
boiler water temperature".
1 V
≙
Set value 10 °C
10 V
≙
Set value 100 °C
Ensure DC separation between the earth
conductor and the negative pole of the
on-site voltage source.
Output
aBJ
The following functions can be connec-
ted to output
aBJ
:
■ Feed pump to substation
or
■ DHW circulation pump
or
■ Fault message facility
Function assignment
Select the function of output
aBJ
via cod-
ing address "36" in the
"General"
group
at the boiler control unit.
Control functions
External heating program changeover
The "External heating program change-
over" function is connected via extension
EA1. There are 3 inputs available at
extension EA1 (DE1 to DE3).
The function is selected via the following
coding addresses in the
"General"
group:
Heating program - changeover
Code
Input DE1
3A:1
Input DE2
3b:1
Input DE3
3C:1
Assign the operating program change-
over function for the relevant heating cir-
cuit via coding address "d8" in group
"Heating circuit"
at the boiler control
unit:
Heating program - changeover
Code
Changeover via input DE1
d8:1
Changeover via input DE2
d8:2
Changeover via input DE3
d8:3
Function description
External extensions (accessories)
(cont.)
5773 238 GB
Содержание B2UA
Страница 10: ...10 13 14 15 Preparing for installation Preparing the installation cont 5773 238 GB ...
Страница 11: ...11 16 Preparing for installation Preparing the installation cont 5773 238 GB Installation ...
Страница 12: ...12 sF 17 19 21 20 18 Preparing for installation Preparing the installation cont 5773 238 GB ...
Страница 13: ...13 24 22 23 Preparing for installation Preparing the installation cont 5773 238 GB Installation ...
Страница 14: ...14 27 26 25 Preparing for installation Preparing the installation cont 5773 238 GB ...
Страница 15: ...15 28 2x 2x 29 30 Preparing for installation Preparing the installation cont 5773 238 GB Installation ...
Страница 21: ...21 Removing the front panels 2 4 2x 1 3 5 Installation sequence Installing the boiler 5773 238 GB Installation ...
Страница 22: ...22 Siting and levelling the boiler 1 2 SW17 Installation sequence Installing the boiler cont 5773 238 GB ...
Страница 29: ...29 2x 4x 4 3 5 2 1 Installation sequence Opening the control unit casing 5773 238 GB Installation ...
Страница 39: ...39 5 4 2 6 2x 3 1 Installation sequence Closing the control unit casing 5773 238 GB Installation ...
Страница 41: ...41 2x 1 4 2 3 5 Installation sequence Fitting the front panels 5773 238 GB Installation ...
Страница 185: ...185 0010 0004 0001 0003 0004 0005 0009 0006 0007 0008 0007 0002 Parts lists Cylinder module cont 5773 238 GB Service ...
Страница 199: ...199 5773 238 GB ...