Switching Off Heating (Summer Operation); Setting A Room Thermostat Or Weather; Compensator; Status Displays - Vaillant atmoCRAFT VK SERIES Operating Manual

4.5.3 Switching off heating (summer operation)

1
Fig. 4.9 Switching off heating (summer operation)
You can switch off the heating in summer without
switching off the hot water supply.
• Turn the rotary knob (1) for setting the heating feed
temperature all the way to the left.
4.6

Setting a room thermostat or weather

compensator

1
Fig. 4.10 Setting the room temperature controller/weather
controlled regulator
•Set the programmable room thermostat (1), weather
compensator or heater thermostat valves (2)
according to the operating manuals for these
accessories.
Operating manual atmoCRAFT
4.7
Fig. 4.11 Status displays
The status display provides information on the
operational condition of your boiler.
• Press the "i" button (1) to activate the status displays.
The display (2) then shows the individual status codes,
e.g. "S. 4" for burner operation. The table below
explains the most important status codes.
In switching phases, for example on starting up again
after the flame was extinguished, the status message
"S." briefly appears.
• Press the "i" button (1) again to switch the display
Display
S. 0
S. 2
S. 3
S. 4
S. 7
S. 8
2
S. 20
S.23
S. 24
S.27
S.28
Table 4.1 Status codes and their meaning

Status displays

2
back to normal mode.
Meaning
Displays during heating operation
No heat required
Heating pump supply
Heating ignition
Heating burner on
Heating pump run-out
Burner lock after heating mode
Displays in storage tank operation
Storage cycle mode active
Storage tank charging ignition
Storage tank charging burner on
Storage tank charging pump overrun
Burner blocking time after storage tank charging
Operation 4
1
GB 11