SystemAir Combi Unit Genius, Installation, Operation And Maintenance Instructions

Page: 42 / 124

9 Service
WARNING
Danger electrical voltage!
» Let only qualified personnel carry out service work .
» The entire unit must be disconnected from the mains before service work!
» Observe the 5 Security Rules!
9.1 Ventilation Module
9.1.1 Rotor Alarm
The rotor is out of function. No heat recovery.
9.1.1.1 Unit Characteristics in Winter
The heat pump is still working. The setpoint is set automatically to an average room temperature of 19 °C.
Change setpoint
"
Change setpoint in Settings .
Return to normal operation
"
Return to normal operation by:
–
a) Fault remedying and confirming the message
or
–
b) block the alarm. Caution: The alarm remains active.
9.1.1.2 Unit Characteristics in Summer
The heat pump is only working for hot water generation. Return to normal operation.
9.1.1.3 Clear Rotor Alarm
"
Block the alarm.
"
Open the rear cover.
Behaviour: Rotor turns? Monitoring fault.
"
Replace the monitoring unit.
Behaviour: V-belt broken?
"
Replace the v-belt.
Behaviour: Rotor does not turn, v-belt ok? Motor defect.
"
Replace the motor.
9.1.2 Fans
The fans are ready to plug.
The three fans of the ventilation module have an operating monitoring. In case of an error, an alarm will be displayed.
For control reasons, the two fans for supply and extract air are linked with an additional interlock in case of fan failure. If one fan signals a
fault, the other also switches off to avoid positive or negative pressure.
42
Service
Genius - V 1.0