Bosch FW 200, Инструкция по установке и эксплуатации

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6 720 643 256 (2010/05)
Installation (for installers only)
|
19 US/CA
3.2 Making the electrical
connections
3.2.1 Electrical connection in boiler
B
Installation of the controls automatically
produces BUS connection via the three
contacts (
Æ
Fig. 8 on page 14).
Fig. 16 Controls installed in boiler via BUS
contacts in BUS-enabled Heatronic 3.
3.2.2 Electrical connection to wall
B
For BUS connection use AWG 18 (0.75 mm
2
)
cable and do not exceed 492 ft. (150 m) total
length.
B
For the outdoor sensor AF use AWG 18
(0.75 mm
2
) cable and do not exceed 66 ft
(20 m) total length.
B
Route all low-voltage cables separately from
cables carrying line voltage to avoid inductive
interference (minimum separation 4"
(100 mm)).
B
In case of inductive external influences, use
shielded cables.
This way, the cables are shielded against
external influences (e.g. high-voltage cables,
contact wires, transformer stations, radio and
TV devices, amateur radio stations, microwave
devices, etc.).
Fig. 17 Controls connected to BUS-enabled
Heatronic 3.
Fig. 18 Connection of BUS links via junction box
A Junction box
B BUS devices
The controls recognize that the
boiler is installed via the third
contact.
FW 200
1 2 4 B B
6 720 612 481-04.1R
ST 19
Heatronic 3
A F
AF
If the BUS cables feature different
cross-sections:
B
Connect BUS link via a junction
box.
FW 200
1 2 4 B B
6 720 612 481-05.1R
ST 19
Heatronic 3
A F
B B
AF
B
2
B B
A
B
2
B B
B
2
B B
6
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0-08.1O
≥ 4"
(≥ 100 mm)
≥ 4"
(≥ 100 mm)