35
EN
Type
No.
Description
Range
U.M.
Step
Default
PAR
26
Zone valve / relaunch pump activation delay
0 .. 99
Min
1
1
PAR
27
PAR
28
Domestic hot water activation delay with
solar power
0 .. 30
0
PAR
29
Anti-legionella function (only hot water tank)
-- = disabled
50 .. 80
--
--
--
PAR
30
Maximum domestic hot water temperature
35 .. 67
°C
1
60
PAR
31
PAR
32
PAR
33
PAR
34
PAR
35
Digital / analogue Pressure switch
0 = water pressure switch
1 = water pressure transducer
2 = water pressure transducer (only pressure
displayed)
--
1
1
PAR
36
Maximum time of consecutive runs for com-
pressor enabled to operate
m
13
PAR
37
Rest time for compressor, even where ena-
bled to operate
15
PAR
38
Compressor post-operating time (in minutes)
7
PAR
39
Fan speed in post-ventilation
50
PAR
40
Modulating pump speed
-- = No modulation
%
-
--
PAR
41
∆T modulating pump delivery/return
10 .. 40
°C
1
20
PAR
42
PAR
43
PAR
44
Minimum time between compressor ignitions
m
14
PAR
45
Minimum time between compressor on-off
13
PAR
46
Return temp. threshold for activating the
compressor (temperature read at heat pump)
47
PAR
47
System pump forcing (only in winter mode)
0 = Disabled
1 = Enabled
--
--
0
RESET
PAR
48
Reset parameters (to default)
0 .. 1
--
--
0
m
Tampering with the default values may cause serious damage to the appliance.
In the event of a fault/malfunction the message
"ALL"
will ap-
pear on the display with the alarm number eg.
"ALL 04"
(Domes-
tic Hot Water Sensor Fault).
Before repairing the fault:
– disconnect the appliance from the mains power by setting the
main switch to "OFF"
OFF
Fig. 42
– as a precautionary measure, close the gas isolation valve.
Repair the fault and start-up the boiler again.
NOTE:
after having repaired the fault, when the alarm number
appears on the display together with the message
d
(see figure), press the button
y
for approximately 3 seconds
to start the appliance up again.
