Vitotronic 300-K - Viessmann VITOTRONIC 300 Installation And Service Instructions Manual

Vitotronic 300, GW5B & MW1B Installation and Service
Checking Actuators and Sensors at the Vitotronic 300-K
The following relay outputs can be controlled subject to the system equipment level:
Display
"All actuators"
"Output 20"
"Output 52"
"Output 52"
"Output 52"
"DHW tank prim pump"
"DHW circ pump"
"Output 29"
"Central fault mess."
"Htg circ pump HC2"
"Mixing valve HC2"
"Mixing valve HC2"
"Htg circ pump HC3"
"Mixing valve HC3"
"Mixing valve HC3"
"EA1 output 1"
"AM1 output 1"
"AM1 output 2"
"Solar circuit pump"
"Solar circ pmp min"
"Solar circ pmp max"
"SM1 output 22"
Explanation
OFF All actuators have been switched off.
ON Output 20 enabled.
Open -
Neutral -
Closed -
ON Output for circulation pump for DHW tank heating enabled.
ON Output for DHW circulation pump enabled.
ON Output 29 enabled.
ON -
ON Output heating circuit pump enabled (heating circuit with mixing valve M2).
Open Output "Mixing valve open" enabled (heating circuit with mixing valve M2).
Closed Output "Mixing valve closed" enabled (heating circuit with mixing valve M2).
ON Output heating circuit pump enabled (heating circuit with mixing valve M3).
Open "Mixing valve open" enabled (heating circuit with mixing valve M3).
Closed Output "Mixing valve open" enabled (heating circuit with mixing valve M3).
ON
Contact "P - S" on plug aBJ for extension EA1 closed.
ON Output enabled.
ON Output enabled.
ON
Output for solar circuit pump sF at solar control module, type SM1, enabled.
ON
Output for solar circuit pump sF at solar control module, type SM1, switched
to minimum speed.
ON
Output for solar circuit pump sF at solar control module, type SM1, switched
to maximum speed.
ON
Output sS at solar control module, type SM1, enabled.
Carrying out a relay test
1. Press OK and simultaneously for approx. 4 sec.
2. "Actuator test"
Checking sensors
1. Press OK and simultaneously for approx. 4 sec.
2. "Diagnosis"
3. Select group (see overview on page 51).
4. Scan actual temperature of the relevant sensor.
Commissioning
47