Berker 2044 Series, Manual

Page: 12 / 15

Thermostat NO contact with centre plate, time-controlled
Setting the heating type
When commissioning the controller, the heating type must be set.
The device is in the basic display.
„
Press Menu/
s (8) push-button.
A help text is shown at the bottom of the display.
„
Keep pressing the +/–
push-button repeatedly until
INSTALLER SETTINGS
is displayed.
„ Press OK
.
CODE
is displayed and the code number
0
flashes.
„
Select code number using 7 +/–
and press
OK
to confirm.
H1
and the scrolled text of
APPLICATION
is displayed.
„ Press OK
.
„
Set the desired temperature using +/–
and press
OK
to confirm.
ROOM
is preset. When changing the heating type, all user and installer settings are reset
to the factory settings.
Overview and selection of the settings
The settings menu is invoked (see Setting heating type). If
H1
and the scrolled text of
APPLICATION
is displayed, you can toggle between the possible settings menus using
+
/
–
(see Table 3).
Setting Description
Operation
H1
APPLICATION Selecting between the thermostat processes according to heating type:
-
ROOM
= Room thermostat
-
FLOOR
= Floor thermostat
-
LIMITER
= Room thermostat with limiter
Factory settings:
ROOM
When used as a room thermostat, it is also possible to set whether an
external temperature sensor
(EXTERNAL SENSOR = YES)
is
connected.
Selection of the heating type:
+/–
, press
OK
to confirm
H2
CONTROL MODE Selection of the control type:
–
PWM
(Pulse width modulation) with adjustment option for cycle
time. Select short cycle time for fast heating systems and long
cycle time for slow heating systems.
Factory setting of cycle time:
10 min
The minimum switch on/off time is 10 % of the cycle time.
–
ON/OFF
(on-off control) with the setting option of hysteresis and
minimum switch on/off time of the relay
Factory setting hysteresis:
OFF
Factory setting minimum switch on/off time:
10 min
If no hysteresis is set, the relay switches with the set minimum
switch on/off time even in the case of very small temperature
differences.
Selection of controller, cycle time, hysteresis, switch on/off time:
+/–
,
press
OK
to confirm
97-09920-000
Page 12/15
10/2011