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User, Installations and Maintenance Manual
8.1.1 List of equipment parameters
Parameter Description
Range
Default
Notes
A
Lower water temperature probe
-30÷99°C
Measured value
Not modifiable
B
Upper water temperature probe
-30÷99°C
Measured value
Not modifiable
C
Defrosting temperature probe
-30÷99°C
Measured value
Not modifiable
D
Supply-air temperature probe
-30÷99°C
Measured value
Not modifiable
E
Evaporator inlet gas temperature probe
-30÷99°C
Measured value / “0°C” if P33 = 0
Not modifiable (1)
F
Evaporator outlet gas temperature probe
-30÷99°C
Measured value / “0°C” if P33 = 0
Not modifiable (1)
G
Compressor discharge gas temperature probe
0÷125°C
Measured value / “0°C” if P33 = 0
Not modifiable (1)
H
Solar collector temperature probe (PT1000)
0÷150°C
Measured value / “0°C” if P16 = 2
Not modifiable (2)
I
EEV opening step
30÷500
Measured value / P40 value if
P39 = 1
Not modifiable (1)
J
Power-board firmware version
0÷99
Current value
Not modifiable
L
User-interface firmware version
0÷99
Current value
Not modifiable
P1
Hysteresis on lower water probe for heat-pump
working
2÷15°C
7°C
Modifiable
P2
Electrical heater switching-on delay
0÷90 min
6 min
Function excluded
P3
Antilegionella setpoint temperature
50°C÷75°C
75°C
Modifiable
P4
Antilegionella duration
0÷90 min
30 min
Modifiable
P5
Defrosting mode
0 = compressor stop
1 = hot-gas
1
Modifiable
P6
Electrical heater usage during defrosting
0 = OFF
1 = ON
0
Modifiable
P7
Delay between two consecutive defrosting
cycle
30÷90 min
45 min
Modifiable
P8
Temperature threshold for defrosting start
-30÷0°C
-2°C
Modifiable
P9
Temperature threshold for defrosting stop
2÷30°C
3°C
Modifiable
P10
Maximum defrosting duration
3min÷12min
8 min
Modifiable
P11
Water temperature probe value shown on the
display
0 = lower
1 = upper
1
Modifiable
P12
External pump usage mode
0 = always OFF
1 = hot-water recirculation
2 = Thermal solar system
1
Modifiable
P13
Hot-water recirculation pump working mode
0 = with heat-pump
1 = always ON
0
Modifiable
P14
Evaporator blower type (EC; AC; AC with dou-
ble speed)
0 = EC
1 = AC
2 = AC with double speed
0
Modifiable
P15
Type of safety flow switch for hot-water / solar
0 = NC
1 = NO
0
Modifiable
P16
Solar mode integration
0 = permanently deactivated
1 = working with DIG1
2 = Direct control of thermal solar
system
0
Modifiable (2)
P17
Heat-pump starting delay after DIG1 opening
10÷60min
20 min
Modifiable (2)
P18
Lower water probe temperature value to stop
the heat-pump in solar mode integration = 1
(working with DIG1)
20÷60°C
40°C
Modifiable (2)
P19
Hysteresis on lower water probe to start the
pump in solar mode integration = 2 (direct
control of thermal solar system solar)
5÷20°C
10°C
Modifiable (2)
