Operating instructions

Display screen Explanation

Htg. system valve Diverter valve set to heating mode

Valve in middle pos. Diverter valve in central position (filling/draining)

DHW valve Diverter valve set to DHW mode

Htg.cir.pump M2 On Mixer extension

Mix.valve open Mixer extension

Mix.valve closed Mixer extension

Intern.output On Output sK internal extension

Htg.cir.pump A1 On External extension H1

DHW pump On External extension H1

Recirc.pump On External extension H1

Centr.fault ind.On External extension H1

Constant temperature control unit

Press the following keys:

1. K + d simultaneously for

approx. 2 s.

2. a/b for the required relay out-

put.

3. d Relay test is completed.

The following relay outputs can be controlled subject to system design:

Display screen Explanation

1 Burner modulation base load

2 Burner modulation full load

3 Internal pump / output 20 "ON"

4 Diverter valve set to heating mode

5 Diverter valve in central position (filling/draining)

6 Diverter valve set to DHW mode

10 Output sK internal extension

11 Heating circuit pump A1 External extension H1

12 Cylinder primary pump External extension H1

14 Central fault message External extension H1

Checking outputs (relay test) (cont.)

Service scans

5692 672 GB