Ideal Heating i305 - Normal Operation

24
Installation and Servicing
SECTION 2 - INSTALLATION
DISPLAY FUNCTIONS - CONT’D
HOT WATER
PREHEAT
OFF
43
ºC
HOT WATER
PREHEAT
OFF
43
ºC
HOT WATER
PREHEAT
ON
43
ºC
HOT WATER
PREHEAT
OFF
10
ºC
HOT WATER
PREHEAT
ON
ph
ºC
HOT WATER
PREHEAT
OFF
fp
ºC
HOT WATER
PREHEAT
OFF
00
In normal operation with DHW and CH enabled and Preheat disabled the display will show:
With a DHW demand the display will show the tap symbol and the DHW delivery temperature:
With a CH demand the display will show the radiator symbol and the CH delivery temperature:
If Preheat is enabled the HIU will open the DHW valve
to Preheat the DHW plate. While the valve is open the
display will show the tap symbol and alternate between
showing the plate temperature and the letters ‘PH’.
If the HIU received a frost protection demand the display
will alternate between the CH temperature and the letters
‘FP’.
2.12.2 NORMAL OPERATION
Alternates
Alternates
INSTALLATION