305
EN
cod. 3541V620 - Rev. 00 - 05/2021
ALHENA TECH H
Adjustments from Remote Timer Control
A
If the boiler is connected to the Remote Timer Control (optional), the previously described
adjustments are managed as described in table 2.
Table 2
System water pressure adjustment
The filling pressure, with system cold, read
on the boiler water gauge (detail 2 - fig. 26)
must be approx 1.0 bar. If the system pres-
sure falls below minimum values, the boiler
stops and fault
F37
is displayed. Pull out the
filling knob (detail 1 - fig. 26) and turn it
counter-clockwise to return it to the initial
value. Always close it afterwards.
Once the system pressure is restored, the
boiler will activate the 300-second air vent-
ing cycle, indicated on the display by
Fh
.
To avoid boiler shutdown, it is advisable to
periodically check (with system cold) the
pressure on the pressure gauge or on the
display (detail 12 - fig. 1). In case of a pres-
sure below 0.8 bar, it is advisable to restore
it.
fig. 26- Filling knob
Heating temperature adjustment
Adjustment can be made from the Remote Timer Control menu and the boiler control panel.
DHW temperature adjustment
Adjustment can be made from the Remote Timer Control menu and the boiler control panel.
Summer/Winter Switchover
Summer mode has priority over a possible Remote Timer Control heating demand.
Eco/Comfort selection
On disabling DHW from the Remote Timer Control menu, the boiler selects Economy mode.
In this condition, the
eco/comfort
button on the boiler panel is disabled.
By enabling DHW from the Remote Timer Control menu, the boiler selects Comfort mode. In
this condition it is possible select one of the two modes on the boiler panel.
Sliding Temperature
You can make all the adjustments by using the remote timer control.
2
1
Display
Description
Operation
High pressure
The boiler stops
Pressure slightly high
The boiler works at reduced power
Optimum pressure
Normal operation
Pressure slightly low
(The indication with the symbol
is
visible only if parameter
b09
is set to
1
).
The boiler continues to work.
It is advisable to refill the system as soon as possible.
Low pressure
The boiler stops
F40
2.3
bar
1.2
bar
0.7
bar
F37
Summary of Contents for ALHENA TECH H
Page 45: ...45 IT cod 3541V620 Rev 00 05 2021 ALHENA TECH H fig 48 fig 49 fig 50 5 6 6...
Page 103: ...103 ES cod 3541V620 Rev 00 05 2021 ALHENA TECH H fig 48 fig 49 fig 50 5 6 6...
Page 160: ...160 RO cod 3541V620 Rev 00 05 2021 ALHENA TECH H fig 48 fig 49 fig 50 5 6 6...
Page 217: ...217 PL cod 3541V620 Rev 00 05 2021 ALHENA TECH H wygl d 48 wygl d 49 wygl d 50 5 6 6...
Page 231: ...B 231 EL cod 3541V620 Rev 00 05 2021 ALHENA TECH H...
Page 232: ...232 EL B CE IT ES RO PL GR cod 3541V620 Rev 00 05 2021 A ALHENA TECH H 8 8...
Page 238: ...238 EL cod 3541V620 Rev 00 05 2021 ALHENA TECH H FH Fh 2 10 0 FH 2 Stop...
Page 249: ...249 EL cod 3541V620 Rev 00 05 2021 ALHENA TECH H 3 27 27 b09 1 1 2bar 0 7bar F37 3...
Page 250: ...250 EL cod 3541V620 Rev 00 05 2021 ALHENA TECH H 2 2 1 2 2 B 2009 142 5 C 15 C A 2 3 B...
Page 253: ...253 EL cod 3541V620 Rev 00 05 2021 ALHENA TECH H 2 5 B B 3 mm 3A...
Page 254: ...254 EL cod 3541V620 Rev 00 05 2021 ALHENA TECH H B HAR H05 VV F 3x0 75 mm2 8 mm B 230 V...
Page 262: ...262 EL cod 3541V620 Rev 00 05 2021 ALHENA TECH H B 2 7 B 0 5 lt B 37...
Page 271: ...271 EL cod 3541V620 Rev 00 05 2021 ALHENA TECH H 1 1 41 2 41 B 1 42 42 OK NO 1 1...
Page 273: ...273 EL cod 3541V620 Rev 00 05 2021 ALHENA TECH H 1 43 2 43 3 44 4 5 45 43 44 45 1 2 3 4 5...
Page 274: ...274 EL cod 3541V620 Rev 00 05 2021 ALHENA TECH H A B 1 2 5 49 2 6 50 5 46 47 1...
Page 275: ...275 EL cod 3541V620 Rev 00 05 2021 ALHENA TECH H 48 49 50 5 6 6...
Page 276: ...276 EL cod 3541V620 Rev 00 05 2021 ALHENA TECH H 1 2 3 4 51 52 1 1 2 2 3 3 4...
Page 277: ...277 EL cod 3541V620 Rev 00 05 2021 ALHENA TECH H 1 2 venturi 3 53 54 A 1 2 55 2 1 1 1 2...
Page 330: ...330 EN cod 3541V620 Rev 00 05 2021 ALHENA TECH H fig 48 fig 49 fig 50 5 6 6...
Page 343: ......
