Operating instructions

Display screen

Brief scan

d Variabl e

speed

pump

0: excl.

1: Wilo

2: Grund-

fos

Software

version

variable

speed pump

Testing outputs (relay test)

Weather-compensated control unit

1. Press K and d simultaneously

for approx. 2 secon ds.

Relaytestisactivated.

2. Select the relay outputs with a

and b.

3. Press d.

Relay test is co mpleted.

Subject to the actual equipment level, the following relay outputs can be con-

trolled:

Display Explanations

Basic load Burner mod ulation low er output

Full load Burner modulation upper output

Heating valve Diverter valve set to heating mode

Valve central pos. Changeover valve in central position (fill)

DHW valve Diverter valve set to DHW mode

Int. pump ON Int. pump/output 20 ON

Close mixer M ixer extension

Open mixer Mixer exten sion

Heating circ. pump M2 ON Mixer extension

Output int. Internal extension

Heating circ. pump A1 ON Ext. extension

Cylinder loading pump ON Ext. extension

DHW circ. pump ON Ext. extension

Central fault display ON Ext. extension

Temperatures, boiler coding card and brief scans (cont.)

Service scans

5692 548 GB