DeLonghi CLIMAVENETA HED HCAT 0011 SE Installation And Service Manual page 38

Free cooling direct expansion terminal units
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T1
Integr. time
Only P+1
0600 sec
Opening time
3p
Damper
____sec
T2
Low pressure
alarm delay
0240sec
High-low Temp./Hum.
alarm display 0180sec
T3
Serious alarm
delay (rel.4)
000sec
Minor 1 (rel5)
000sec
Minor 2 (rel.6)
000sec
T4
Filter alarm
delay
0020sec
Air flow
alarm delay
0020 sec
T5
Compressor
alarm delay
01080 sec
Compressor
on
min. time
0000 sec
T6
Compressor time
btwn on-on
0360sec
Diff. compressor
start time
0010 sec
36
ENGLISH
the display page T1 is used to set:
a)
the integration time for P+I temperature regulation
Factory value 600
Range 0 ÷ 9999
Unit of measurement seconds
b)
freecooling 3-point swing time
Factory value 180
Range 0 ÷ 9999
Unit of measurement seconds
the display page T2 is used to set:
a)
the low pressure alarm delay
Factory value 240
Range 0 ÷ 9999
Unit of measurement seconds
b)
the high-low temperature-humidity alarm delay
Factory value 180
Range 0 ÷ 9999
Unit of measurement seconds
The display page T3 is used to set:
a)
the Serious alarm relay trip delay.
Factory value 0
Range 0 ÷ 999
Unit of measurement seconds
b)
the Minor alarm 1 relay 5 trip delay.
Factory value 0
Range 0 ÷ 999
Unit of measurement seconds
b)
the Minor alarm 2 relay 6 trip delay.
Factory value 0
Range 0 ÷ 999
Unit of measurement seconds
The display page T4 can be used to set the delay of the dirty filter and air flow status alarms.
Factory value 20
Range 0÷ 9999
Unit of measurement seconds
the display page T5 can be used to set the minimum duration of compressor switching off and on.
Factory value 180/0
Range 0 ÷ 9999
Unit of measurement seconds
the display page T6 is used to set:
a)
the delay between compressor starts
Factory value 360
Range 0 ÷ 9999
Unit of measurement seconds
b)
the minimum delay between the start-up of different compressors
Factory value 0
Range 0 ÷ 9999
Unit of measurement seconds
HED-HCAT SE FREE COOLING

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