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Reco-Boxx ZXR / ZXA / Flat – Operation and maintenance instructions
[03/
2022 ]
9.4 Type 4: Alarm indicating the system cannot fulfil the setpoint
• Conditions:
• Causes:
• The setpoint cannot be fulfilled because the upper or lower limit of the fan’s working zone has
been reached
• Effects:
Displayed on Touchpanel
Code
Text displayed
Level
S.11
“Constant Pressure” fan 1 – Measured pressure too high – Minimum air flow reached
2
S.12
“Constant Pressure” fan 1 – Measured pressure too low – Maximum air flow reached
2
S.13
“Constant Pressure” fan 3 – Measured pressure too high – Minimum air flow reached
2
S.14
“Constant Pressure” fan 3 – Measured pressure too low – Maximum air flow reached
2
S.20
„“Demand control” fan 1 – Air flow too low – Reduce the pressure on this fan
2
S.21
“Demand control” fan 1 – Air flow too high – Minimum limit of the motor reached
2
S.22
“Demand control” fan 2 – Air flow too low – Reduce the pressure on this fan
2
S.23
“Demand control” fan 2 – Air flow too high – Minimum limit of the motor reached
2
S.24
“Demand control” fan 3 – Air flow too low – Reduce the pressure on this fan
2
S.25
“Demand control” fan 2 – Air flow too high – Minimum limit of the motor reached
2
S.34
“Constant Air Flow” fan 3 – Air flow too low – Reduce the pressure on this fan
2
S.35
“Constant Air Flow” fan 3 – Air flow too high – Minimum limit of the motor reached
2
TAC control board
ALARM OUTPUT
AL dPa OUTPUT
LED ALARM
Fans
/
/
ON
/
Auto reset: yes
9.5 Type 5: Alarm indicating a data failure in the control circuit
• Conditions:
• Causes:
• Crucial data from the circuit board has been lost
• Effects:
Displayed on Touchpanel
Code
Text displayed
Level
D.10
Programme Error
3
D.20
Data Error
3
TAC control board
ALARM OUTPUT
AL dPa OUTPUT
LED ALARM
Fans
Alarm Status
/
ON
stopped
Auto reset: no
• Solutions:
• Try a TOTAL RESET of the data using the advanced setup. If still not resolved, order a new circuit
board.
