Ventilation - Viessmann VITOTRONIC 200 Service Instructions Manual

Diagnosis
System
(cont.)
Hydraulic circuit "SC" G
Display
"DHW"
"HC"
"COOL"
"POOL"

Ventilation

Ventilation: Overview
Function scheme for mechanical ventilation with con-
nected ventilation unit
The following information can be called up:
Temperatures and set air flow rates
■
■ Operating conditions and data for fans and other
components
■ Values captured by connected sensors
1. Service menu:
Press OK + simultaneously and hold for
å
approx. 4 s.
2. "Diagnosis"
E
Ventilation: Overview
3.0 /2.5°C 2550rpm
34%
ODA
D
24.0°C
C
30%
B
A
ETA
20.0 /18.0°C 2430rpm
Back with
L
Fig. 22
Heat exchanger
A
Vitovent 200-C/200-W/300-C/300-W:
B
Opening of the bypass damper in %
Vitovent 200-W/300-C/300-F/300-W:
C
Outdoor air temperature, measurement down-
stream of electric preheating coil (accessories)
Electric preheating coil (accessories)
D
Current heating output of the electric preheating
E
coil in %
128
Hydraulic circuit
DHW heating
Heating circuit A1/HC1, heating circuit M2/HC2, heating circuit M3/HC3
Separate cooling circuit
Swimming pool
F G
Status
EHA
EHA vol.
800
CO2
Humidity
SUP
SUP vol.
K H
3. "Ventilation"
4. "Ventilation: Overview"
Notes
■ For some ventilation units, not all symbols and val-
ues shown are displayed.
■ Only components installed in the mechanical ventila-
tion system are shown, e.g. electric preheating coil.
The symbols on the display are animated if the fans
■
or other ventilation unit components are operational.
The values shown are examples.
■
3 /3
4.5°C
170m³/h
/657ppm
65
/72%
16.5
/24.3°C
170m³/h
Speed, exhaust air fan
F
Exhaust air fan
G
Supply air fan
H
Speed, supply air fan
K
Vitovent 300-F:
L
Hydraulic reheating coil
Vitovent 200-C:
Symbol flashes: Defrost of heat exchanger active