Actuator Test (Testing Outputs) - Viessmann VITOTRONIC 200 Service Instructions Manual

Actuator test (testing outputs)

Only those actuators are shown that are installed
■
and can be controlled, according to system equip-
ment level.
■ Activating the actuator test switches all actuators to
zero volt.
Individual actuators can be started in succession in
■
this menu.
All actuators can be switched off simultaneously.
■
■ The actuator test stops automatically after
approx. 30 min or with
1. Service menu:
Press and hold OK +
approx. 4 s.
Component
3-way diverter valve for "Central heating/DHW heating"
3-way diverter valve for heating water buffer cylinder bypass in cooling
■
mode
4-way diverter valve (not available on all heat pumps)
■
Mixer
Actuators without output-dependent control e.g. circulation pumps,
■
compressors without output-dependent control, external heat genera-
tors, electric ribbon heaters, etc.
Reset inverter ("Reset inverter")
■
Actuators with output-dependent control, e.g. circulation pumps with
PWM control, compressors with output-dependent control, fans with
PWM control, etc.
Electronic expansion valves
"All actuators OFF"
All actuators are switched off simultaneously.
.
simultaneously for
å
2. "Actuator test".
3. Select required actuator.
4. Set the required condition: See the following table.
5. Use to call up the "System overview" and the
diagnostic page "Refrigerant circ controller",
without terminating the actuator test. Back to the
actuator test display with OK.
Possible modes
"Htg"/"DHW"
"Heating"/"Cooling"
"Open"/"Closed"/"Stop"
"ON"/"OFF"
"OFF"/"MIN"/"MAX"
"AUTO"/"MIN"/"MAX"
"Yes"/"No"
Actuator test
185