Checking Outputs (Relay Test) - Viessmann VITODENS 222-F Installation And Service Instructions Manual

Diagnosis
(cont.)
Brief scan
E 0: no exter-
nal
demand
1: external
demand
3 0
A 0
4 0
5 0
b 0
C 0
c 0
d 0
Reset data
Saved operating data (e.g. hours run) can be reset to 0.
The value "Adjusted outside temp" is reset to the actual value.
1. Press OK and simultaneously for
approx. 4 s.
2. "Diagnosis"

Checking outputs (relay test)

Weather-compensated control unit
1. Press OK and simultaneously for
approx. 4 s.
Display
0: no exter- External 0 to 10 V hook-up
nal blocking Display in °C
1: external 0: no external hook-up
blocking
0 Set boiler water temperature
0 Highest demand temperature
Burner control unit type
0 Set cylinder temperature
0 Max. output in %
Boiler coding card (hexadecimal)
Version
Device
0 0
3. "Reset data"
2. "Actuator test"
Diagnosis and service scans
Appliance type
Version
Burner control unit
Variable Software
speed version
pump Variable
0 w/o speed pump
1 Wilo 0: no varia-
2 Grundfos ble speed
pump
87