Viessmann Type B2HA Operations Instructions download pdf (Page 101)

101

Note

Do not adjust menu item "Multi-boiler

system".

The menu item turns a weather-compen-

sated control unit into a constant tem-

perature control unit.

Diagnosis

Operating data

Weather-compensated control unit Constant temperature control unit

Calling up operating data

■ Operating data can be scanned in six

areas. See "Diagnosis" in the service

menu overview.

■ Operating data on heating circuits with

mixers and solar can only be called up

if the components are installed in the

system.

■ For further information on operating da-

ta, see chapter "Brief scan".

■ Operating data can be called up in the

"i" menu.

■ For further information on operating da-

ta, see chapter "Brief scan".

Calling up operating data

Service menu:

1. Press OK and å simultaneously for

approx. 4 s.

2. "Diagnosis"

3. Select required group, e.g. "General".

Note

"- - -" appears on the display if a sensor

that has been scanned is faulty.

Service menu:

1. Press OK and å simultaneously for

approx. 4 s.

2. Select required information with / .

Note

"- - -" appears on the display if a sensor

that has been scanned is faulty.

Diagnosis and service scans

Service level

(cont.)

5772 909 GB

Service

1 2 ... 96 97 98 99 100 101 102 103 104 105 106 ... 187 188

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Viessmann Type B2HA Operations Instructions Page 101

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