Function Check - Viessmann VITOCAL 300-G Installation And Service Instructions Manual

Testing outputs (actuator test)
Service menu:
1. Press OK + å simultaneously for
approx. 4 s.
2. "Actuator test"

Function check

To test the function of connected com-
ponents (see commissioning assistant,
page 121).
Service menu:
1. Press OK + å simultaneously for
approx. 4 s.
2. "Service functions"
"Function check" menu
Function
Heating circuit 1
Heating circuit 2
Heating circuit 3
Separate cooling circuit
DHW (DHW cylinder)
Swimming pool
Electric heater (instantane-
ous heating water heater,
accessory)
Heat pump
Ext. heat source
(cont.)
Note
■ If a cylinder primary pump is controlled
via the PWM signal, activate both out-
puts "Cylinder prim pump".
■ All actuators can be switched off simul-
taneously with "All actuators".
3. "Function check"
4. Select required group, e.g. "DHW".
System characteristics
Secondary pump and heating circuit pump A1 are
started.
Heating circuit pump M2 or M3 is started. Open/close
mixer every 5 min.
Primary pump and circulation pump, separate cooling
circuit are started. Open/close mixer every 5 min.
Secondary pump, circulation pump for cylinder heat-
ing (heating water side) and cylinder primary pump
(DHW side) are started.
Secondary pump is started. Swimming pool output is
switched on/off every minute.
Secondary pump is started. Instantaneous heating
water heater regulates to a flow temperature of
30 °C.
Primary and secondary pumps are started. Heat
pump regulates to a return temperature of 30 °C.
The external heat source is regulated to a flow tem-
perature of 35 °C. Open mixer, heating circuit pumps
are started.
Troubleshooting
163