Viessmann B2TF Installation And Service Instructions Manual page 76

Gas condensing storage combi boiler with 7 inch colour touchscreen

Table of Contents

Diagnosis and service checks

Checking outputs (actuator test)

Display

Solar circuit pump, set

speed

Circulation pump hy-

giene function

Circulation pump, solar

3-way valve, solar

Target position

(cont.)

Explanation

Set value

Speed, solar circuit pump in %

Off

Open

Stop

Table of Contents

Vitodens 222-f