BACK
PUSH
BACK
PUSH
15
Manual mode
For control and service work, the operating mode of the relays can be manually
adjusted. For this purpose, select the adjustment channel MAN1(2, 4) (for R1, 2, 4)
in which the following adjustments can be made:
Operating mode
AUTO : relay in automatic mode
OFF : relay is switched off
MIN : relay is switched with adjusted minimum speed (not if REL = ONOF)
MAX : relay is switched with adjusted maximum speed (not if REL = ONOF)
Note
After service and maintenance work, set the relay mode back to AUTO.
Normal operation is not possible in manual mode.
Note
For information about the control LED in the Lightwheel
®
see page 19.
MAN 15
PUSH
BLPR 16
PUSH
MAN1 (2)
Adjustment range:
AUTO, ON, OFF, MIN, MAX
Factory setting: AUTO
BLPR
Adjustment range: ON, OFF
Factory setting: OFF
MAN4
Adjustment range:
AUTO, ON, OFF
Factory setting: AUTO
16
Blocking protection
In order to protect the pumps against blocking after standstill, the controller is
equipped with a blocking protection function. This function switches on the relays
one after another every day at 12:00 a.m. for 10 s at 100 %.
16
17
Note
The adjustments described in this chapter are independent of those in the
COOL menu, which are inactive during a holiday.
Note
When the drainback option is activated, the holiday function will not be
available and cannot be selected by means of the microbutton
⛁
.
Note
If the holiday function is activated, the drainback option will not be avail-
able.
15
14