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Verfügbare Sprachen
Verfügbare Sprachen
Installation and Operating Instructions
Central ventilation units AIR1 XVP
Alarm
Frequency converter alarms
Alarm frequency converter SAF
Alarm frequency converter EAF
Communication error frequency
SAF
Communication error frequency
EAF
Warning frequency converter SAF
Warning frequency converter EAF
Communication errors expansion units
Communication error expansion
unit 3
Communication error expansion
unit 4
Communication error expansion
unit 5
Comm. Transmission error
Diverse
Fire alarm
External operating switch
Restart blocked after power-on
Internal battery failure
DX External unit
Rotary exchanger
External alarm
Flow monitor
Error P1 Heater
Error P1 Cooler
Error P1 Heat exchanger
Priority
Stop
Check/Solution
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
C
No
• Cause dependent on motor type. Contact service
team
A
Yes
• Communication with pressure sensor supply air fan inter-
rupted
• Check Modbus wiring from pressure sensor to controller
A
Yes
• Communication with pressure sensor extract air fan
interrupted
• Check Modbus wiring from pressure sensor to controller
A
Yes
• Communication is interrupted to the pressure sensor AIR1-
CAP (accessory for constant pressure control)
• Check Modbus wiring from pressure sensor to controller
C
No
• Communication is interrupted to ....
• Check Modbus wiring from pressure sensor to controller
A
Yes
If the alarm is unwarranted:
• Check connection to terminal strip (on-site contact)
• Can be programmed as NC or NO
• If the fire alarm has been triggered by the duct smoke
sensor RMK, it must be reset again. This is achieved by
disconnecting the AIR1 unit from the mains power supply
using the main switch.
C
Yes
• External operating switch is activated
• Check wiring
B
Yes
• Fan not running despite voltage recovery
A
No
• Replace battery CR2032 in controller
B
No
• Contact support of air conditioning system
B
Yes
• Communication with rotary exchanger interrupted
• Check rotary heat exchanger
• Check rotation sentinel position and wiring
B
No
• Check external alarm
B
No
• Check flow monitor
• Check wiring
B
No
• Check heater
• Check wiring
B
No
• Check cooler
• Check wiring
B
No
• Check heat exchanger
• Check wiring
63
EN
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