Bosch CS 3000 AWP Installations- Und Bedienungsanleitung Seite 58

Electrical connections
• Modbus
– Connect on the back of the controller.Modular unit: connect the
Modbus to the MASTER unit port.
– Contact on API board: - H1 to + H2
Fig. 78
• TW probe
– The probe of the total system supply water control is installed on
the supply pipe in the fan compartment.With the unit in modular
configuration, the master unit's TW probe must be reinstalled on
the system's common supply line, as far away as possible.Use the
additional probe trap in the electrical panel.Keep the connection
to the electrical panel, just remove the sensor that is inserted in
the water supply pipe inside the trap. The probe is physically
clamped by a cable gland.
– Contact on XT2-board: 1-2.
• Taf1 probe
– The domestic hot water antifreeze protection probe is located
inside the electrical panel in a plastic bag with a 10m long cable.
– To remotely control the Taf1 probe, electrically disconnect the
one in the electrical panel (only 3m long) and connect the one in
the bag labelled Taf1 to the same connector. Install the probe at
the outlet pipe from the hot water buffer tank.
– Contact on APC-board: 7-8.
• T5 probe
– The temperature probe that switches from system to domestic
hot water is located inside the electrical panel in a plastic bag with
a 10m long cable. Connect it to the free connector labelled "T5" in
the electrical panel.
– Contact on XT2-board: 3-4.
• Keypad remote connections
– The keypad is wired on the unit. It can be disassembled and
installed remotely.
58
XT2
8 9 10 11 12
RD
YE
BK
BR
WH
5 x 0,75mm²
Fig. 79 Maximum distance 40m. Power supplied by the unit.
XT2
8 9 10 11 12
RD
YE
BK
3 x 0,75mm²
Shielded 3-wire cable for RS485
Fig. 80 Maximum distance 300m. Separate power supply - power
supply provided with the unit.
A
X Y E A B
RD
YE
BK
BR
WH
0010045072-001
A
X Y E A B
RD
YE
BK
BR
WH
POWER TRANSFORMER
220-240 AC-12V
0010045073-001
CS3000 AWP – 6721852570 (2022/11)