INSTALLER CONNECTIONS
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:
Description
Enable the contact as:
0= Alarm signal
1= Dehumidifier
3= Secondary circuit pump
5= Unit operating mode signal
(cooling/heating)
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
5= Unit operating mode signal
(cooling/heating)
28
PBM 20÷40 EN
Menu
Parameter
Value to be
UOM
no.
set
Mn01
015A
0
Menu
Parameter
Value to be
UOM
no.
set
Mn01
015A
3
21 22
-
21 22
-
230V 50Hz
U
N
230V 50Hz
U
N
2
N
L
1
1 Storage tank
2 System pump HL1
I A