Operating instructions

Display screen Explanation

Centr. fault ind. OFF/ON If an external extension is installed

Mix. valve OPEN/CLOSE If an extension kit for one heating circuit with

mixer is installed

Solar pump OFF/ON If a Vitosolic is installed

Solar pump, ...h Actual hours run

Various languages The respective languages can be selected as

permanent display language with d

Constant temperature control unit

Press the following keys:

1. c press.

2. a/b for the required operating

condition.

3. d Scanning is completed.

The following operating conditions can be scanned, subject to the actual

system equipment level:

Display screen Explanation

1 15 °C/°F Actual outside temperature

3 65 °C/°F Actual boiler water temperature

5 50 °C/°F Actual cylinder temperature (if a cylinder temperature sensor

is installed)

5□ 45 °C/°F Solar - actual DHW temperature

6 70 °C/°F Actual collector temperature

P Burner hours run (after a service, reset with e to "0")

263572 h

PPP Burner starts (after a service, reset with e to "0")

030529

PPPPP Solar circuit pump hours run

001417 h

PPPPPP Solar energy in kWh

002850

Scanning operating conditions and sensors (cont.)

Service scans

5692 672 GB