Operating instructions

Selecting the upper/lower output for

weather-compensated control units:

1. Press OK and simultaneously for

approx. 4 s.

2. "Actuator test"

3. Select the lower output:

Select "Base load" "ON" and con-

firm with OK.

4. Select the upper output:

Select "Full load" "ON" and confirm

with OK.

Selecting the upper/lower output for

constant temperature control units:

1. Press OK and å simultaneously

for approx. 4 s.

" flashes on the display.

2. Select Ú " " and confirm with OK.

The display shows "I" and "on"

flashes.

3. Select the lower output:

Press OK, "on" will be displayed per-

manently.

4. Select the upper output:

Press

5. Select "2" with Ú and confirm with

OK.

6. Exit output selection with ä.

Matching the control unit to the heating system

Subject to the equipment level, the control unit must be matched to the system. Var-

ious system components are recognised automatically by the control unit and the

relevant codes are adjusted automatically.

■ For the selection of an appropriate scheme, see the following diagrams.

■ For coding steps, see page 61.

Commissioning, inspection, maintenance

Further details regarding the individual steps

(cont.)

5457 552 GB

Service