Speed Control; Operating Mode - STIEBEL ELTRON SOM 7 PLUS Bedienung Und Installation

2.8.20 2.7.18 Thermostat function
(Arr = 3)
AH O: Thermostat start tem-
perature
Setting range: 0.0 ... 95.0 °C
Factory setting: 40.0 °C
AH F: Thermostat stop tem-
perature
Setting range: 0.0 ... 95.0 °C
Factory setting: 45.0 °C
t1 O, t2 O, t3 O: Thermostat
start time
Setting range:
00:00 ... 23:45
Step size: 00:15
Factory setting: 00:00
t1 F , t2 F, t3 F: Thermostat
stop time
Setting range:
00:00 ... 23:45
Step size: 00:15
Factory setting: 00:00

2.8.21 Speed control

nMN, n1MN, n2MN:
Speed control
Setting range: 30 ... 100
Factory setting: 30

2.7.20 Operating mode

MAN1/MAN2:
Operating mode
Setting range:
OFF, AUTO, ON
Factory setting: AUTO
2.8.22 Language (SPR)
LANG:
Language setting
Setting range: dE, En
Factory setting: dE
The thermostat function operates independent of the solar heating operation and
Reheating
may, for example, be used for utilising excess heat or for reheating.
• AH O < AH F
the thermostat function is used for reheating
• AH O > AH F
the thermostat function is used for utilising excess heat
If the second relay output is enabled, the display shows
' .
S3 is the reference sensor for the thermostat function.
SET

°C
Utilisation of
excess heat
' %
SET

°C
Three time windows are available for a time lock of the thermostat function. If
Q .
the thermostat function should, for example, only be operational between 6:00
SET

and 9:00 h, set t1 O to 06:00 and t1 F to 09:00.
The time window becomes disabled if the start and stop times of a time window
are set to the same time. If all time windows are set to 00:00, this function will
only be subject to temperature (factory setting).
Q %
SET

Setting channels nMN or n1MN and n2MN, default a relative minimum speed for
connected pumps for outputs R1 and R2.
CAUTION:
When using consumers without variable speed control (e.g. valves), set the value
to 100% to disable the variable speed control.
The controller operating mode may be set manually for inspection and service work.
For this, select the setting value MM that allows the following inputs:
MAN1 / MAN2: Operating mode
- OFF: Relay OFF
- AUTO: Relay in automatic control mode
- ON: Relay ON
The language for the menus is set in this channel.
+ -&
• dE : Deutsch [German]
SET
AB
• En : English
(flashing) +
(flashing) +
.
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