CALIDO1
DHW heat pump with tank
29
11.4.7 ON/OFF contact
When ON/OFF contact is closed and the control is ON, the unit can work and the running mode is decided by the setting of the controller.
When ON/OFF contact is closed, but the control is OFF (but powered), the unit can't work.
When ON/OFF contact is open but the control is ON, the unit can’t work (with the exception of external pump).
If the control is ON, and the state of the ON/OFF contact changed from open to closed, the unit will work by the previous settings of the controller
(auto-restart).
If the unit was previously in stand-by, in case the ON/OFF status is changed from opened to closed, the unit remains in stand-by.
A signal/warning in case of remote OFF signal (opened contact) is displayed. In such a way the customer can understand why the unit is not
working.
11.4.8 Contact for integration with photovoltaic system
The ON/OFF contact can be configured so that a photovoltaic system, during periods of maximum productivity, can be used to obtain the maxi
-
mum amount of hot water from the unit (set parameter 35=1). When the contact is closed (activation by the photovoltaic system), the tempera
-
ture setpoint of tank TS1 is raised to the highest possible value compatible with the operating limits indicated in Section 16.
11.5
CHECKING PARAMETER SETTINGS
Parameter nr.
Visibility
U=user
I=installer
Description
Range
Default
Note
0
I/U
Tank temperature set (TS1)
10 ~ 65°C
55°C
Adjustable (it can be also modified by the
user in normal operation)
1
I
Temperature offset TS6
2 ~ 15°C
5°C
Adjustable
2
I
Temperature off electric resistance
(TS2)
10 ~ 75°C
65°C
Adjustable
3
l
Electrical resistance delay
0 ~ 90
6
t * 5 min, Adjustable
4
l
Weekly disinfection temperature TS3
( (relative to upper tank temperature
T3)
60 ~ 70°C
70°C
Adjustable
5
l
High temperature disinfection time t2
30 ~ 90 min
30 min
Adjustable
13
l
Start disinfection time
0~23
23
Adjustable
14
l
Pump use
0/1/2
0
Adjustable
(0=disabled, 1=hot water recirculation,
2=solar water recirculation)
15
l
Water circulation temperature setting
15 ~ 50°C
35°C
Adjustable
16
l
Offset for sanitary hot water circula
-
tion
1 ~ 15°C
2°C
Adjustable
17
l
Solar pump restart temerature
difference
5 ~ 20°C
5°C
Adjustable
18
l
Offset solar water circulation
1 ~ 4°C
2°C
Adjustable
19
l
Low outside temperature heater
activation
0/1
1
Adjustable
0=off, 1=on
20
l
Resistor activation during defrosting
0/1
1
Adjustable
0=off, 1=on
21
l
Frequency of disinfection cycles
1 ~ 30 days
7 days
Adjustable
32
l
Activation of heat pump integration
resistor
0/1
1
Adjustable
0=off, 1=on
33
l
Electrical resistance activation hyste
-
resis
1 ~ 10°C
3°C
Adjustable
35
l
Cotact configuration ON/OFF
0/1
0
0=on/off
1=photovoltaic
A
U
Lower tank temperature T2
0 ~ 99°C
Current value detected. Error code P1 will be displayed in the
event of a malfunction
B
U
Upper tank temperature T2
0 ~ 99°C
Current value detected. Error code P2 will be displayed in the
event of a malfunction.
C
U
Coil temperature
-15 ~ 99°C
Current value detected. Error code P3 will be displayed in the
event of a malfunction.
D
U
Intake gas temperature
-15 ~ 99°C
Current value detected. Error code P4 will be displayed in the
event of a malfunction.
E
U
Ambient temperature
-15 ~ 99°C
Current value detected. Error code P5 will be displayed in the
event of a malfunction.
F
U
Domestic hot water/water tempera
-
ture only
0 ~ 125°C
Current value detected. Error code P6 will be displayed in the
event of a malfunction, no error if parameter 14=0
G
U
EXV opening step
10 ~ 47 step
N*10 step
H
U
Effective water set for heat pump
10 ~ 65°C
Should the machine operation go outside the region indicated
in Section 16 due to high water and air temperatures, the
actual water set is automatically lowered from the TS1 set by
the user.
