Operation - Gardena 1251 Operator's Manual

When a sufficient moisture content of the soil is
reached, a programme may be interrupted or
activation of a programme may be suppressed.
1. Place the Soil Moisture Sensor
be irrigated
– or –
the Rain Sensor electronic (if necessary with
an extension cable) outside of the area to be
irrigated.

3. OPERATION

Adjusting valve control [ Fig. O1 ]:
Fully Automatic Control:
v Set selection lever q
Programme-controlled water flow to the watering
system according to the programming in the
Control Unit / Radio Receiver.
9 in the area to
to "AUTO / OFF".
2. 9 V: Plug the connector
of the Control Unit.
24 V: Insert plug 0
in the sensor connection
of the Watering Control System Art. 1276
(see Operating Instructions Art. 1276).
Conventional installation
If using Art. 2750 / 2751 / 2752 / 2753 / 2755 the
points marked with an arrow must be sealed with
sealing tape (e. g. Art. No. 7219).
An automatically opened valve cannot be closed
manually.
Manual Control:
q
v Set selection lever
Permanent water flow, independent of the
programming.
0
into the sensor socket
[ Fig. I6 ]:
to "ON".
15