STIEBEL ELTRON SOM 9s - Manual (Page 88)

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SOM 9s
In order to block the thermostat function for a certain
period, there are three time frames t1 ... t3. The switch-on
and switch-off times can be adjusted in steps of 15 minutes.
If the switch-on and the switch-off time are identical, the
time frame is inactive.
If the thermostat function should run from 06:00 a.m. and
09:00 a.m. only, adjust t1O to 06:00 a.m. and t1F to 09:00
a.m.
The first time frame is factory set from 06:00 to 22:00.
If all time frames are set to 00:00, the thermostat function
is solely temperature dependent.
AH / T2 (3) O
Switch-on time 2 (3)
Adjustment range: 00:00 ... 23:45
Factory setting: 00:00
AH / T2 (3) F
Switch-off time 2 (3)
Adjustment range: 00:00 ... 23:45
Factory setting: 00:00
AH / t1O
Switch-on time 1
Adjustment range: 00:00...23:45
Factory setting: 06:00
in steps of 15 min
AH / t1F
Switch-off time 1
Adjustment range: 00:00...23:45
Factory setting: 22:00
For control and service work, the operating mode of the
controller can be manually adjusted. For this purpose, select
the adjustment value MAn. The following adjustments can
be carried out:
Manual mode
Auto : relay in automatic mode
ON : relay is switched on
OFF : relay is switched off
nLO : relay is switched with adjusted minimum speed
nHI : relay is switched with adjusted maximum speed
MAN / MAN1 (2, 3):
Adjustment range:
Auto, ON, OFF, nLO, nHI
Factory setting: Auto
MAN / MAN4
Adjustment range:
Auto, ON, OFF
Factory setting: Auto
note:
Always adjust the operating mode back to “Auto”
when the control and service work is completed
Otherwise normal operation will not be possible.
Blocking protection option
Blocking protection
BLPR1(2, 3)
Blocking protection
Selection: ON / OFF
Factory setting: OFF
In order to protect the pumps against blocking after stand-
still, the controller is equipped with a blocking protection
function. This function switches on the relays 1-3 every day
at 12:00 a.m. for 10 s at 100%.