Krom Schroder BCU 46 Series Operating Instructions Manual page 3

Part designations
8
7
6
10
5
10
1 LED display for program status and fault
messages
 On/Off button
3 Reset/Information button
4 Connection for opto-adapter
5 BCU type label
6 Power module, replaceable
7 Power module type label
8 Parameter chip card, replaceable
9
Bus module, replaceable
10 M5 screw terminal for burner ground
Type designation (A), identification number (B), con-
struction stage (C), year/week of manufacture (D),
device number (E), device ID (F), voltage (G), fre-
quency (H), ambient temperature in Celsius (I)/Fahr-
enheit (J), enclosure (K) – see type label.
Elster GmbH
Osnabrück, Made in Germany
B C
F
M
9
1
2
3
4
A
-
D E
G
H
I
J
K
L
C US
Installation
CAUTION
Please observe the following to ensure that the
BCU is not damaged:
– The device must not be installed in a public
place. It must be accessible to authorized
personnel only. Unauthorized personnel could
make changes which could cause the system
to become unsafe or dangerous.
– Dropping the device can cause permanent dam-
age. In this event, replace the entire device and
associated modules.
▷ The following components are sealed:
housing section,
4 HMI. The BCU may only be installed and oper-
ated with undamaged seals.
▷ Installation position: vertical (cable glands point-
ing downwards) or down flat.
▷ Distance between BCU and burner: recom-
mended < 1 m (3.3 ft), max. 5 m (16.4 ft).
▷ Affix the sticker (with the program step/fault
message description) in the required language
(available as an accessory).
GB-3
 power module, 3 bus module,
4
1
3
2
8888
1 upper