Scanning Operating Conditions And Sensors - Viessmann VITOPEND 200 Installation And Service Instructions Manual

Service scans
Testing outputs (relay test)
Display screen
3
4
5
6
10
11
14

Scanning operating conditions and sensors

Weather–compensated control unit
Press the following keys:
1. c
The display shows "Select
heating circuit".
2. d
as confirmation; wait
approx. 4 s.
Subject to the actual equipment level of heating circuits A1 and M2, the fol-
lowing operating conditions can be scanned:
Display screen
User no.
Holiday program
Departure day
Return day
Outside temperature, ... °C
Boiler water temperature,
... °C
Flow temperature, ... °C
Standard
Room temperature, ... °C
Room temperature, ... °C
Ext. set room temp, ... °C
DHW temperature, ... °C
Mixed flow temp., ... °C
76
(cont.)
Explanation
Internal pump / output 20 "ON"
Heating mode diverter valve
Centre position, valve
DHW valve
Output sK internal extension
Heating circuit pump A1 external extension
Central fault external extension
3. c
4. a/b for the required operating
5. d
Explanation
Encoded user no. in the LON system
If a holiday program has been entered
Date
Date
Actual value
Actual value
Actual value (only for mixer circuit M2)
Set value
Actual value
For external hook‐up
Actual DHW temperature
Actual value, only with low loss header
again.
condition.
Terminate the scan.