Technical information

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 tem‐

perature

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= Water pump+heater

2= Water pump + heater + compressor (heat

pumps only)

3= Heater

U 23 (R/W) 3 0 1

Antifreeze reset differen‐

tial (A2)

D Antifreeze alarm

Antifreeze heater activa‐

tion differential (A5)

Antifreeze heater acti‐

vation temperature (A4)

C Heaters F

Antifreeze set point

temperature (A1)

1 Technical Information

1.13 Operating instructions