Seltron ACD20, Instruction Manual

Page: 33 / 52

| 33 Instructions for settings
EN SERVICE S PARAMETERS
S1 - BASIC SETTINGS
Para-
meter
Parameter name Parameter description Setting
range
Default
value
S1.1 Hydraulic scheme Selection of hydraulic scheme. 1 ÷ 3 1
S1.2 Code for
unlocking the
service
settings
This setting enables the change
of code which is necessary to
unlock the service settings.
WARNING!
Keep new code on a safe place.
Without this code is impossible
to change service settings
0000 ÷ 9999 0001
S1.3 Actuator
turning
direction
Setting of actuator turning
direction - valve opening.
- Left
- Right
Left
S1.4
Antiblock function
for mixing
valve and pump
If no control output has been
switched on in a specific time
frame (in a week or day), it
automatically turns on for 60
seconds.
- No
- Yes, weekly
- Yes, daily
No
S1.6
Setting
mode
cooling
mode
This setting can prevent the
possibility of switching
between heating and cooling
by limiting operation to heating
or cooling only.
- heating
and cooling
- only
heating
- only
cooling
Heating
and
cooling
S1.7 Selection of COM/
AUX input function
The setting determines the
operation
mode of the COM input.
- COM: Communication input.
- AUX (On): Activates control-
ler operation when a short
circuit is detected at the input.
- AUX (Cooling): Switches the
controller operation mode to
cooling when a short circuit is
detected at the input.
- COM
- AUX (Opera-
tion
on)
- AUX
(Cooling)
COM
S1.17
Sensor T1
calibration
Correction of measured
temperature for sensor T1.
-5 ÷ 5 °C 0 °C
S1.18 Sensor T2
calibration
Correction of measured
temperature for sensor T2.
-5 ÷ 5 °C 0 °C