GB.COMPACTUT.170622
Registered design. The company reserves the right to make design changes without prior notice.
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Alarm no.
Alarm text
Function
Priority Stop Indication
LED
Delay Resetting
0=blocked 0=In operat. 0=Off s=seconds M=manual
A=A alarm 1=Stop 1=On m=minutes A=automatic
B=B alarm
41
SUPPLY AIR TEMP BELOW SETPOINT
The supply air temperature is below the preset set-
point (for ERS and Supply air regulation) or Min
SA temp (for Extract air regulation) longer than 20
minutes.
A *** 1 1 20 m M
42
EXT. ALARM No.1 TRIPPED
External alarm, connected to control unit input Inp. 1
or Inp. 2, has tripped.
A *** 1 1 Set time M
43
EXT. ALARM No.2 TRIPPED
External alarm, connected to control unit input Inp. 1
or Inp. 2, has tripped.
B *** 0 1 Set time M
44
45
SA DUCT PRESSURE BELOW SETPOINT
EA DUCT PRESSURE BELOW SETPOINT
Pressure in supply/extract air duct, if pressure trans-
ducers are connected, has been more than 10%
below its setpoint for more than 20 minutes.
B ***
B ***
0
0
1
1
20 m
20 m
M
M
46
47
SA DUCT PRESSURE ABOVE SETPOINT
EA DUCT PRESSURE ABOVE SETPOINT
Pressure in supply/extract air duct, if pressure trans-
ducers are connected, has been more than 10%
above its setpoint for more than 20 minutes.
B ***
B ***
0
0
1
1
20 m
20 m
M
M
48
49
SUPPLY AIRFLOW BELOW SETPOINT
EXTRACT AIRFLOW BELOW SETPOINT
The supply/extract airflow has been more than 10%
below its setpoint for more than 20 minutes.
B ***
B ***
0
0
1
1
20 m
20 m
M
M
50
51
SUPPLY AIRFLOW ABOVE SETPOINT
EXTRACT AIRFLOW ABOVE SETPOINT
The supply/extract airflow has been more than 10%
above its setpoint for more than 20 minutes.
B ***
B ***
0
0
1
1
20 m
20 m
M
M
52
53
SUPPLY AIR FILTER DIRTY
EXTRACT AIR FILTER DIRTY
The pressure across the supply /extract air filters has
exceeded the preset alarm limit for more than 10
minutes.
B ***
B ***
0
0
1
1
10 m
10 m
M
M
54
SERVICE PERIOD PAST ALARM LIMIT
The preset service period has expired.
If the alarm is RESET via the hand-held micro termi-
nal, the alarm will be initiated again after 7 days.
A new service period can be set in the ALARM SET-
TINGS menu.
B *** 0 1 Set time M
55
56
NO COMM. SA AIR FLOW PRESSURE SENSOR
NO COMM. EA AIR FLOW PRESSURE SENSOR
The air handling unit’s control unit cannot establish
correct communication with the supply/extract air
flow pressure transducer.
A ***
A ***
1
1
1
1
10 s
10 s
A
A
57
58
NO COMM. SA FILTER PRESSURE SENSOR
NO COMM. EA FILTER PRESSURE SENSOR
The air handling unit’s control unit cannot establish
correct communication with the supply/extract air
filter pressure transducer.
B ***
B ***
1
1
1
1
10 s
10 s
A
A
*** Blocked if the hand terminal does not display the main menu.
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