Technical data

28 i-KI MTD / i-KIR MTD EN 10/2010
INSTALLER CONNECTIONS TO BE PERFORMED ON THE INSIDE MODULE
I A
N
L
2
21 22
NU
230V 50Hz
1
1 Storage tank
2 System pump HL1
NU
230V 50Hz
21 22
SA1 Remote ON/OFF
The unit can be switched on/off from a remote control unit,
for example a timer or room thermostat.
The remote off function stops the compressor, fan and
pumps, while frost protection remains active.
- The unit can be switched on/off from contact SA1 only
when the unit has been switched on using the but-
ton on the A5 room controller
Contact closed = Heat pump ON
Contact open = Heat pump OFF
25 26
SA1
Description
Enable the contact as:
0= Alarm signal
1= Dehumidifier
3= Secondary circuit pump
Menu
Mn01
Parameter
no.
015A
Value to be
set
0
UOM
-
Secondary circuit pump
If the system features a low-loss header, contact HL1 can
be used to activate the circulating pump on the secondary
circuit.
Configure the contact, selecting the desired function by set-
ting parameter 015A:
Description
Enable the contact as:
0= Alarm signal
1= Dehumidifier
3= Secondary circuit pump
Menu
Mn01
Parameter
no.
015A
Value to be
set
3
UOM
-
Dehumidifier
A dehumidifier can be activated in radiant panel systems to
reduce humidity in cooling mode.
The contact closes and the dehumidifier is activated when
the humidity measured by the probe on the A5 room con-
troller exceeds the value set for parameter 0172.
Configure the contact, selecting the desired function by set-
ting parameter 015A:
Description
Enable the contact as:
0= Alarm signal
1= Dehumidifier
3= Secondary circuit pump
Menu
Mn01
Parameter
no.
015A
Value to be
set
1
UOM
-
Dehumidifier
21 22
HL1 Configurable contact
This contact can be configured for the following functions:
• Alarm signal
• Secondary circuit pump
• Dehumidifier
Alarm signal
A visual or audible signal device can be activated if the unit
shuts down due to a malfunction.
Configure the contact, selecting the desired function by set-
ting parameter 015A: