Reading Out The Operating Condition And Warnings - Vaillant geoTHERM VWS 220/2 Instrucciones De Operación

4.8 Reading out the operating condition and
warnings
We 10.03.10
Current flow temp.
System pressure
Brine pressure
CH : Comp only
(Warning)
(Warning)
Comp. = Compressor
Aux = Auxiliary heater
DHW = Domestic hot water
* Only if external passive cooling is installed
Operating instructions geoTHERM 0020051578_03
16:49 1
28 °C
1.2 bar
1.4 bar
Day, date, time as well as flow temperature, heating system
pressure and heat source pressure are displayed.
Current flow temp.: Current flow temperature in the heat
pump.
System pressure: Filling pressure of the heating installa-
tion (heating circuit pressure sensor)
Brine pressure (VWS only): Filling pressure of the brine
circuit (brine circuit pressure sensor)
CH : Comp only: These messages provide information on
the current operating condition. Possible messages
are:
– Stand-by*
– Cooling*
– CH : comp. only.
– CH: comp. + aux
– CH : aux only
– CH:Comp&aux off
– DHW:Comp&aux off
– DHW : Comp only
– DHW : aux only
– Peak Rate: DHW
– Peak Rate: Stand-by
– Frost prot. Heating
– Frost prot. Cylind.
– Legionella protect.
– Automatic pump spin
– Fault shutdown: heating
– Blocking error: heating
– Fault shutdown: DHW
– Blocking error: DHW
– Malfunction
– Blocking error
– Operation interlock
– CH Comp overrun
– DHW Comp overrun
– Cooling & DHW*
In the case of critical operating conditions (those which
occur on a time-limited basis), a warning is displayed in the
last two display lines (¬ section 5.3). These lines are empty
when the operating conditions are normal.
Operation 4
25
GB