Installation and Operating Instructions
Central ventilation units AIR1 XVP
Alarm
Manual operation extract air fan
mode
Manual extract air fan frequency
control
Manual operation heater control
Manual operation heat exchanger
Manual operation cooler valve
Manual operation P1 heater
Manual P1 heat exchanger
Manual operation P1 cooler
Manual Y4 extra sequence
Manual Y5 extra sequence
Sensor error alarms
Sensor error supply air temp.
Sensor error extract air temp.
Sensor error exhaust air tempe-
rature
Sensor error outdoor temperature
Sensor error frost protection
temp.
Sensor error filter guard 1
Sensor error filter guard 2
Sensor error Extra sensor 1
Sensor error SAF pressure
Sensor error EAF pressure
Sensor error De-icing temperature
Frequency converter alarms
Alarm frequency converter SAF
Alarm frequency converter EAF
Communication error frequency
SAF
Communication error frequency
EAF
Warning frequency converter SAF
Priority
Stop
Check/Solution
C
No
• Control via operating mode manually
C
No
• Control via operating mode manually
C
No
• Control via operating mode manually auxiliary
heating
C
No
• Control via operating mode manually (only rotary
heat exchanger)
C
No
• Control via operating mode manually
C
No
• Pump warm water auxiliary heating
• Control via operating mode manually
C
No
• Pump heat exchanger
• Control via operating mode manually
C
No
• Pump cold water cooling register
• Control via operating mode manually
C
Nein
• Recirculation Damper
• Control via operating mode manually
C
No
• Recirculation Damper
• Control via operating mode manually
B
Yes
• Check supply air sensor in unit (PT 1000)
• Check wiring
B
Yes
• Check extract air sensor in unit (PT 1000)
• Check wiring
B
Yes
• Check exhaust air sensor in unit (PT 1000)
• Check wiring
B
Yes
• Check outdoor air sensor in unit (PT 1000)
• Check wiring
B
Yes
• Check frost protection sensor of warm water heating
register (PT 1000)
• Check wiring
B
No
• Check Supply air Pressure transmitter and pressure hoses
(also inside pressure sensor)
B
No
• Check Extract air Pressure transmitter and pressure hoses
(also inside pressure sensor)
B
No
• Check extra sensor 1
• Check wiring
B
Yes
• Check Supply air Pressure transmitter and pressure hoses
(also inside pressure sensor)
B
Yes
• Check Extract air Pressure transmitter and pressure hoses
(also inside pressure sensor)
B
Yes
• Check de-icing sensor.
• Check wiring
A
Yes
• Check motor and wiring
A
Yes
• Check motor and wiring
A
Yes
• Supply air fan not receiving Modbus signal
• Check wiring of power supply
• Check Modbus wiring from fan to controller
A
Yes
• Exhaust air fan not receiving Modbus signal
• Check wiring of power supply
• Check Modbus wiring from fan to controller
C
No
• Cause dependent on motor type. Contact service
team
63
EN