Buderus HS 2102 Service Instructions Manual
5644258 -
8/95
GB
Service instructions
Control panel HS 2102
Save these instructions !
Buderus
HEIZTECHNIK
Service instructions 24.10
Attention
The settings described in
this
manual
must
be
performed
by
a qualified heating
company.
All adjustments made which
do
not
correspond
to
the settings and changes described here for-
feit
the warranty.
Switch the current
off
before opening
the
con-
trol
panel (emergency switch outside the heating
room).
2
Contents
II
II
El
II
II
II
II
II
II
m
Ill
m
m
Page
Checking the safety temperature limit st
at
. . . . . . . . . . . . . . . . 4
Program overv i
ew
.
5
Key code
.....
6
Installation entries . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 - 14
Installation entries f
or
special functio ns . . . . . . . . . . . . . . . . . 15 - 17
Re
lay test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
18
LCD tes
t.
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Heating curve . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
20
Version
numb
er
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Re
set . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
21
Sensor cur
ve . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22, 23
In
dex . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
24
Settin
gs
record . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
3
II
Checking the safety temperature limit stat (STB)
1.
Switch the heating system on.
2.
Enter the key code (see Page
6).
3.
Press the Add
button@
until "RELAY"
appears in the displ
ay.
The first display shows the current status of the
heating system
(Fig.
1).
4.
Turn the knob, the flame symbol ~ for the
burner relay appears first (Fig.
2).
The burner starts.
5.
Remove the control unit knob
(Fi
g.
3).
6.
Push the lever or button (accordi
ng
to
control
panel type) towards the back with a screwdriver
or
something similar and keep pressing
until the safety temperature limit stat
tr
iggers
(
Fig.
4).
Stopping the check
• Press the Add @ or
EJ
button.
Replace
th
e contro l panel knob and set to
AUT.
• To reset the safety temperature limit stat,
unscrew the safety nut
on the
STB
and press
in
the reset button underneath
(Fig.
5).
4
Fig. 3
Fig. 4
Fig. 5
Example
of current stat us
RELR':I
~
'iilll~
Fig. 1
Burner
RELR':I
~
Fig.
2
0 Safety
nut
STB
0/'/
Program overview
Possible settings for the 2nd
operating level
1.
Selecting the language
- Factory setting: German
Other languages: French, Italian,
Turki
sh, Polish, Czech
2. Selecting the unit of temperature
- Factory setting:
oc
Possible selection: °Fahrenheit
3.
Nominal setting for heating circuit =
Boiler water temperature .
- Factory setting: 75 °C
4.
Frost protection temperature
- Factory setting: + 1 °C
5.
Remote contro l ON/OFF
- Factory setting:
OFF.
6.
Compensation temperature
(only wi
th
remote control)
- Factory setting: + 3
oc
7.
Setba
ck
mode: Outdoor control
Reduced
Room control (only
with remote control)
Switch-off
- Factory setting: Outdoor control
8.
Minimum switch-on burner temperature
- Factory setting: 10°C
9.
Maximum switch-off burner temperature
- Factory setting: 85°C
10. Flue gas = specificati
on
of a flue gas
temperature
- Factory setting:
OFF
11. Clock = recalibration
- Factory setting: 0 sec
I day
12. Offset = room temperature display
comparison
- Factory setting: 0.0°C
13. Relay test
14.
LCD
test
15. Heating curve
16. Version number
FJ
5
II
Key Code
Key code
The second operating level is protected against
unauthorised use by a key code.
This operating level is only planned for the instal-
lation company.
Unauthorised access forfeits the warranty.
Calling the installation level
Key code
• Press the
§]
button.
• Press and hold down the Add @ button.
• Press the Install button with a pointed
object, a ball-point pen for examp l
e.
• Release both keys.
"GERMAN" a
ppears
in the display.
Attention
The heating system automatically reverts to the
previous level when no input is made within 20
seconds.
6
II
@
I
Installation entries
Nominal temperature
The temperature value is the nominal temperature
for radiators and
co
nvectors.
Th
e reference temperature is
-10
°C outdoor
temperature.
The factory setting is a heating water temperature
of+
75°C at -10°C
outdoor temperature.
This results in the factory heating curve as
shown.
Example
Nominal temperature 60 °C for outdoor temper-
atu
re
-15°
C.
60
°C is attained when the nominal temperature
is set to 56
°C.
f'
fOI"'trtR
L
oc
15
~
80~
--+---4-
--~
---r--~--
~~
~
Q)
75 ---
...
2
70~
--+---4---~--
~~~~~
~~
I.U
...
Q)
a.
E
60~
--+---4---~-T.
~~~
--
~~
~
$
...
~
50
+-
--4-
--~~~~~~-+~
~~~
Ol
c:
~ 40+---47~~
~~~-+--
-t
~~
=-~
Q)
I
20~--4---~--~--~---+--~--~
+
20
+ 15 +
10
+ 5 ± 0 - 5 -
10
-15
Outdoor temperature °C
90
(.)
80
0
75
Q)
...
::::1
70
-
I.U
...
Q)
a.
E
60
Q)
-
...
Q)
-
50
I.U
==
Ol
c:
~
40
Q)
I
30
--
v
?,
I
v
I
/
I
I
/
I
/
I
1/
I
I
I
20
+20 +15
+10
+5
± 0
-5
- 10 -15
Outdoor temperature oc
7
II
II
Installation entries
Changing the nominal temperature
The nominal temperature can be set from
+50
oc
to +90°C.
The heating curve changes relative to changes
in
the nominal temperature.
The factory setting i
s+ 75°C.
• Enter the key cod
e.
• Press the Add @ button until "NOMINAL"
appears
in
the display.
• Turn the knob until the desired nominal
temperature appears.
Automatic operation is automatically res
um
ed
after 20 seconds.
Input range
I Nominal temperature 50°C
-9
0°C
8
rt0/'11/~RL
oc
15
N 0
1'111'1
R L
oc
56
Factory setting
Own
entry
75°C
Installation entries
Changing
the
switch-on
point
for
heating
system
frost
protection
The control is fitted wi
th
a heating system frost
protection to protect the heating system against
fros
t.
The factory setti
ng
is + 1 °C.
The heating purnp runs when the temperatur e
drops below this value.
• Enter the key code.
• Press the Add @ button until "FROST
AT
"
appears
in
the displa
y.
• Turn the knob until the desired outdoor
temperature appears.
Automatic operation is
au
tomatically resumed
after 20 second
s.
Input range
I Heating system frost protection - 1 0 °C - + 1 0 °C
•
FROST
RT
oc
6
Factory setting Own entry
+ 1°C
9
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