Operating instructions

Display Explanation

Start valve Heating Diverter valve set to heating mode

Start valve centre Diverter valve in central position (filling/draining)

Start valve cylinder Diverter valve set to DHW mode

Start htg circ pump HC2 Heating circuit pump output enabled (extension to heat-

ing circuit with mixer)

Open mixer HC2 "Mixer open" output enabled (extension to heating circuit

with mixer)

Close mixer HC2 "Mixer closed" output enabled (extension to heating cir-

cuit with mixer)

Start htg circ pump HC3 Heating circuit pump output enabled (extension to heat-

ing circuit with mixer)

Open mixer HC3 "Mixer open" output enabled (extension to heating circuit

with mixer)

Close mixer HC3 "Mixer closed" output enabled (extension to heating cir-

cuit with mixer)

Start outp. int. exten. H1 Output at internal extension enabled

Start AM1 output 1 Output A1 at extension AM1 enabled

Start AM1 output 2 Output A2 at extension AM1 enabled

Start EA1 output 1

Contacts P - S at plug aBJ for extension EA1 closed

Constant temperature control unit

1. Press OK and å simultaneously

for approx. 4 s.

" flashes on the display.

2. Select Ú " " and confirm with OK.

3. Select required actuator (output) with

(see following table):

4. Confirm selected actuator with OK.

The display shows the number for the

activated actuator and "ON".

The following actuators (relay outputs) can be controlled subject to system

design:

Display Explanation

1 Burner operates at minimum output; internal pump starts

2 Burner operates at maximum output; internal pump starts

Internal output sÖ (internal pump) is enabled

4 Diverter valve set to heating mode

5 Diverter valve in central position (filling/draining)

6 Diverter valve set to DHW mode

10 Internal extension output enabled

Diagnosis and service scans

Checking outputs (relay test)

(cont.)

5457 552 GB