Checking Actuator And Sensors - Viessmann VITOTRONIC 100 GC1B Installation And Service Instructions Manual

Commissioning
Checking Actuators and Sensors
The following actuators (relay outputs) can be switched subject to system equipment level:
Display Explanation
0 All actuators are switched off
1 Burner ON or burner stage 1 ON or modulation controller ramps up (modul. burner)
2 Burner stages 1 and 2 ON or modulation controller neutral (modul. burner)
3 Modulation controller ramps down (modul. burner).
5
Output sÖ On
6
Output sL On
7
Output gS Open
8
Output gS Neutral
9
Output gS Close
10
Output circulation pump for DHW tank heating sA ON
11
Output central fault message gÖ ON
15
Solar circuit pump output sF at solar control module SM1 enabled
16
Solar circuit pump output sF at solar control module SM1 switched to minimum speed
17
Solar circuit pump output sF at solar control module SM1 switched to maximum speed
18
Output sS at solar control module SM1 enabled
19
Contact P - S on plug aBJ for extension EA1 closed
20 Output A1 at extension AM1 enabled
21 Output A2 at extension AM1 enabled
78
Vitotronic 100, GC1B Installation and Service
Testing Relays
1. Press OK and simultaneously for approx. 4 sec.
flashes on the display.
2. With select and confirm with OK.
3. Select required actuator with
The display shows the number for the activated
actuator and "ON".
Note: During burner operation, the connected pumps
are started.
Checking Sensors
Actual temperatures can be scanned in the "i" menu.
Refer to the Operating Instructions.
(see following table).