Bosch ZWB28-3A - Connecting the Outdoor Temperature Sensor; Connecting the DHW Tank Temperature Sensor (Only Heating Boiler ZBR

Making the electrical connections | 53
6 720 643 068 (2011/06)Copyright (optional information)
6.2.2 Connecting the outdoor temperature sensor
B Connecting the controls automatically establishes the
internal communications BUS connection (Æ see
installation instructions for the controls).
B Punch out plastic insert.
B Connect cable of the outdoor temperature sensor
according to Fig. 37.
B Insert cable for the outdoor temperature sensor.
B Secure the cable with the strain relief.
Fig. 37 Electrical wiring outdoor temperature sensor
6.2.3 Connecting the DHW tank temperature sensor
(only heating boiler ZBR..-3A)
Wire the DHW tank temperature sensor directly to the
appliance terminals. The sensor is provided with the
appliance.
Do not exceed a sensor cable length of 33 feet (10 m).
B Punch out plastic insert.
B Plug connector into the circuit board.
B Insert the cable of the DHW tank temperature sensor.
B Secure the cable with the strain relief.
Fig. 38 Electrical connections DHW tank temperature
sensor
6 720 641 933-35.1O
A
F
6 720 641 933-73.1O