1.2.9 Antifreeze control configuration parameters
Antifreeze control configuration parameters
Parameters
Description
Level
VS
Unit
Max.
Min.
Value
A01
Antifreeze control set point temperature
U
11 (R/W)
°C
-
A07
3
A02
Antifreeze reset differential
U
12 (R/W)
°K
50
0,3
5
A03
Antifreeze alarm bypass time
U
22 (R/W)
Seconds
150
0
0
A04
Antifreeze heater activation temperature
U
13 (R/W)
°C
r16
A01
3
A05
Antifreeze heater activation differential
U
14 (R/W)
°K
50
0,3
2
A06
Backup heater control sensor:
0= Control sensor
1= Antifreeze sensor
F
6 (R/W)
-
1
0
0
A07
Minimum level antifreeze control set point
temperature
U
15 (R/W)
°C
79
-40
3
A08
Heating heater activation set point tempera‐
ture
U
16 (R/W)
°C
r15
A01
3
A09
Heating heater deactivation set point temper‐
ature differential
U
17 (R/W)
°C
50
0,3
3
A10
Automatic start-up by antifreeze alarm (unit in
standby):
0= Function disabled
1= Start-up of water pump
2= Start-up of water pump and compressor in
heat cycle (heat pumps only)
3= Heater operative
U
23 (R/W)
3
0
1
A
Antifreeze reset differ‐
ential (A2)
D
Antifreeze alarm
B
Antifreeze heater acti‐
vation differential (A5)
E
Antifreeze heater activa‐
tion temperature (A4)
C
Heaters
F
Antifreeze set point tem‐
perature (A1)
User manual
1
Operating instructions µC2 (YLHA 50, 60 and 80)
1.2
19
