6
S
I
U
A
C
B
N EV1 N EV2
B
A
ON
D
C
H4
H2
AIR
COMM
ASCII
RTU
MOTOR
L
N
GRID
GRID CP
CHILLER BOILER
LED
2.3
2.4
There are two dip switches on the controller circuit board
for configuring unit operation as per requirements.
-
The night-time heating operation logic is modified by
using dip switch C:
-
in the ON position, the fan is always off, and heats the
room using radiation and natural convection, as with
traditional radiators; in the off position it operates as a
normal fan.
-
By positioning dip switch B to ON, when cooling, the
fan operates at the minimum speed even after having
reached the set point, to allow for more uniform
operation of the temperature probe and to avoid
layering in the air. With the cursor in the OFF position,
the functions are cycled (4 minutes ON, 10 minutes
OFF).
On closing the contact connected to the CP input (ref. A)
the panel is placed in stand-by mode.
If the contact is open the unit is active, if the contact is
closed it is deactivated when a key is pressed the
symbol flashes.
The input cannot be connected in parallel to that of other
electronic boards (use separate contacts).
Set-up of auxiliary dip-switch functions B and C
CP presence contact input connection (only for EKRTCTRL1)
Содержание Altherma EKRTCTRL1
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