S&P CAD HE 450 H BASIC, Руководство пользователя

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35
ENGLISH
9. ALARM INDEX
Through the LED located in the user control it is possible to supervise the
status of the unit. This Led will show the alarm (check see table) in case of produce the
failure of some critical components of the unit or simply by notification (replacement
filters, by-pass manual mode, supply temperature <11ºC). Depending on risk level of
the alarm generated, the control will manage the response required. If it is necessary,
the unit will be stopped for safety reasons.
Priority Alarm/State LED ACTION
1 Extract fan Failure Red LED, 1 blink Unit stops
2 Supply fan failure Red LED, 2 blinks Unit stops
3 Supply air temperature <11ºC Red LED, 4 blinks
Unit stops. Every 2 hours
the unit starts for 5
minutes to check if
conditions allow normal
operation.
4 ODA Sensor failure (fresh air) Red LED, 5 blinks Normal operation
5 SUP sensor failure (supply) Red LED, 6 blinks Normal operation
6 ETA sensor failure (extract) Red LED, 7 blinks Normal operation
7 EHA sensor failure (exhaust) Red LED, 8 blinks Normal operation
8 Dirty filter failure Red LED continuous Normal operation
9 ON Bypass manual mode
Green LED
continuous Normal operation
10 Active defrost Green LED blinking Defrost management
Blink: A=0,75s; Interval : B= 3s
1 A B
2
A A A B
3 A A A A A A A B
4 A A A A A A A A A
B
5
A A A A A A A A A A A B
6 A A A A A A A A A A A A A
B
7 A A A A A A A A A A A A A A A
B
8
9
10 A A A A A A A A A A A A A A A A A A