MTA NGSi 07 - Page 39

TECHNICAL MANUAL
Chapter 9 - User - Control Interface
NGSi 05÷15
37
ENGLISH
EN
The data in this manual are not binding and they can be modified by the manufacturer without notice. Reproduction of this manual is strictly prohibited
r23 Hot water tank type
of use
/ 6 0...6 I
0= hot water tank
not used
1= hot water tank
used only on
system with heaters
intervention
priority
2= hot water tank
used only in
domestic hot water
mode with heaters
intervention
priority
3= hot water tank
used both in
domestic hot water
mode and on
system with heaters
intervention
priority
4= hot water tank
used only on
system with heaters
priority
5= hot water tank
used only in
domestic hot water
mode with heaters
priority
6= hot water tank
used both in
domestic hot water
mode and on
system with heaters
priority
r24 Backup heaters
type of use
/ 3 0...3 I
0= backup heaters
not used
1= only system
backup heater use
2= only domestic
hot water backup
heater use
3= use of both
system backup
heater and
domestic hot water
backup heater
r25 Disinfection
setpoint
(Legionella
prevention)
°C 80 0...100 I
Function that is
activated if the Hi-
T accessory is
present (refer to its
manual for more
details)
r26 Disinfection
duration
min 12 0...255 I
Function that is
activated if the Hi-
T accessory is
present (refer to its
manual for more
details)
r27 Heat pump
operation setting in
disinfection mode
°C 48.0 -50.0...80.0 I
Function that is
activated if the Hi-
T accessory is
present (refer to its
manual for more
details)
r28 Upper limit for
joint operation with
Second range
°C -7 -16...50 I
Comply with r22 
r28  r08
Parameter Description Unit Default Range Visibility Permitted settings Notes