37
Display Meaning Vitovent
200-C 300-C 300-W
"SUP vol." 170
Supply air flow rate in m
3
/h
X X X
"ETA" 20.0 "Set extract air temperature 7D08" X — —
"Set extract air temperature C108" — X X
18.0
Actual extract air temperature in °C X X X
Ventilation
1. Service menu:
Press OK +
å
simultaneously and hold for
approx. 4 s.
2. "Diagnosis"
3. "Ventilation"
Voltage EHA:
Voltage SUP:
6.14V
6.09V
Bypass function: Cooling
Ventilation
Back with
Fan blocking time, frost prot:
Status PHR HLSC:
Time until adjustm.:
00:02:27/00:00:56
PHR blocked
00:07:20
Fig. 11
Display Meaning Vitovent
200-C 300-C 300-W
"Fan blocking time,
frost prot:"
■
If one or both fans have been switched off for frost protection:
Remaining duration until the fans are started again
X — —
If 2 time periods are displayed:
■
Left hand time period:
Frost protection function was switched on due to the outdoor
air temperature being too low.
■
Right hand time period:
Frost protection function was switched on due to the supply
air temperature being too low.
Note
If both time periods are shown, both the outdoor air and supply
air temperature are too low. The fans are only switched off and
back on again when both time periods have expired.
"Status PHR HLSC:" "PHR
blocked"
High limit safety cut-out of the electric preheat-
ing coil (accessories) has responded. The
electric preheating coil can only be restarted
after the high limit safety cut-out has been re-
set with the "Reset" button on the preheating
coil.
Note
Remedy the cause of the fault before resetting
the high limit safety cut-out: See
"Vitovent 200-C" installation and service in-
structions
X — —
Diagnosis
Ventilation: Overview (cont.)
5816558
Diagnosis
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