MTA NGSi 07 - Page 38

TECHNICAL MANUAL
Chapter 9 - User - Control Interface
NGSi 05÷15
36
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
P10 Modulating pump
delta
°C 5.0 0.0...15.0 I
If in doubt
concerning the
value to set,
contact the
manufacturer
Values other than
the default value
may impair
operation of
the unit.
P16 Interval between 2
activations of the
pump in periodic
mode
min 0 0...600 I
P17 Pump operation
time in periodic
mode
seconds 0 0...255 I
0= periodic mode
disabled
r02 Antifreeze heater
setpoint in heating
mode
°C 4 3...6 I
r03 Antifreeze heater
setpoint in cooling
mode
°C 4 3...6 I
r06 Antifreeze heater
delta
°C 2.0 0.0...25.5 I
r08 Operation upper
limit in
replacement mode
°C -16 -16...50 I
Comply with r22 
r28  r08
r10 System backup
heater enabling
/ 0 0...1 I
0 = function
disabled
1 = function
enabled
r11 System backup
heater delta
°C 0.5 0.0...25.5 I
r12 System backup
heater/heat pump
activation delay
min 10 0...255 I
r14 Exclusive heaters
operation
/ 0 0...1 I
0= heaters that can
be activated
simultaneously
1= heaters that can
be activated
exclusively
r15 Domestic hot water
backup heater
enabling
/ 0 0...2 I
0 = function
disabled
1 = function
enabled
2= operation from
backup heater on
system side *
* It is possible to
set value 2 only if
H83=1
r16 Domestic hot water
backup heater/heat
pump activation
delay
min 15 0...255 I
r20 Heaters use priority
/ 1 0...1 I
0= priority on
system side
1= priority on
domestic hot water
side
The setting of this
parameter is
required only if
r14=1
r21 Enables mitigation
on system side with
heaters in defrost
mode
/ 0 0...1 I
0 = function
disabled
1 = function
enabled
r22 Joint operation
upper limit First
range
°C 7 -16...50 I
Comply with r22 
r28  r08
Parameter Description Unit Default Range Visibility Permitted settings Notes