Bosch Appliances UPH-2D, UPH-3D, UPH-Z - page 20

20 en | Connecting the Washer Pump (optional) High Speed Pan/Tilt System
F01U.073.990 | Version 1.0 | 2007.07 Instruction Manual Bosch Security Systems
Fig. 5.5 Connecting the Washer System with Level Sensor Capabilities
Reference Description
AL1
Alarm input, voltage-controlled (10-35 V), to
monitor the presence of water in the tank.
For devices with level sensors (HAC-WAS05-50,
HAC-WAS30-50), closure of the contact, if
enabled, generates an on-screen alarm (see
Figure 11.3.5 to configure the alarm).
O1-C1 Clean contact for starting the water pump.
K1 Power relay (external), able to start the water
pump.
F1-F2
Wiper power supply (max 24 Vac – 0.75 A from
TR3 and TR4), from safety transformer housed
in the base of the device (factory fitted with
wiper option).
Note: Only required for UPH-Z Series; not
required for UPH-2D or UPH-3D Series.
i
NOTICE!
The HAC-WAS05-10 washer system does not have a level sensor. Therefore, it is
not necessary to connect the alarm input.