Checking Outputs (Relay Test) - Viessmann Vitodens 200-W B2HA 112 Installation Instructions Manual

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Checking Outputs (Relay Test)

1. Press OK and simultaneously for approximately
4 seconds.
2. "Actuator test"
The following relay outputs can be controlled subject to system design:
Display
All actuators
Base load
Full load
Output, internal
Output 21/28
Outp. int. exten. H1
EA1 output 1
14
Explanation
Off All actuators are off.
On
Burner operated at minimum output; circulation pump sÖ is started.
On
Burner operated at maximum output; circulation pump sÖ is started.
On
Output sÖ active.
On
Output sA active.
On Output 28/20 active.
On
Contact P - S at plug aBJ of extension EA1 closed.
Vitotronic 200 Operating