No, Description
Setting
Unit
Display conditions
Access
level
Enumeration
By default
271,1 Downgraded mode start fresh air temperature
10,0
°C
P271 = With
2
271,2 Downgraded mode end fresh air temperature
-20.0
°C
P271 = With
2
271,3
% min. flow rate in downgraded mode
30,0
%
P271 = With
2
280 Fire safety operating mode
0: off
0
P24 = with
2
1: Intake override/exhaust
stop
2: Exhaust override/intake
stop
3: Intake and exhaust
override
P24 = with and P104 = flow rate
control
282
Intake flow rate in case of fire
P110
m
3
/h
P280 = 1 or 3
2
283
Exhaust flow rate in case of fire
P110
m
3
/h
P280 = 2 or 3
2
8.3 - Reading parameter
No. Description
Setting
Unit
Display conditions
Access
level
Enumeration
Min.
Max.
Increment
300
Calculated intake flow rate setpoint
0
150000
10
m
3
/h
P104 Air intake ventilation control
=
Flow rate
1
301
Air intake fan flow rate
0
320000
10
m
3
/h
1
302
Intake fan differential pressure
0
5000
1
Pa
1
304 Intake duct calculated pressure
setpoint
0
5000
1
Pa
P104 Air intake ventilation control
=
Duct pressure
1
305 Intake duct pressure
0
5000
1
Pa
P104 Air intake ventilation control
=
Duct pressure
1
306
Calculated extraction flow rate
setpoint
0
150000
10
m
3
/h
P104 Intake ventilation control =
Flow rate
or
P104 Intake ventilation control =
Duct pressure
and
P105 = Exhaust ventilation control
=
Flow rate feedback
1
307
Air extraction fan flow rate
0
320000
10
m
3
/h
1
308
Extraction fan differential pressure
0
5000
1
Pa
1
310 Exhaust duct pressure calculated
setpoint
0
5000
1
Pa
P104 Intake ventilation control =
Duct pressure
and
P105 Exhaust ventilation control =
Duct pressure
1
311 Exhaust duct pressure
0
5000
1
Pa
P104 Intake ventilation control =
Duct pressure
and
P105 Exhaust ventilation control =
Duct pressure
1
312
Intake filter differential pressure
0
1000
1
Pa
1
313
Exhaust filter differential pressure
0
1000
1
Pa
1
314
Fouled intake filter differential
pressure calculated threshold
0
1000
1
Pa
1
315
Blocked intake filter differential
pressure calculated threshold
0
1000
1
Pa
1
316
Fouled exhaust filter differential
pressure calculated threshold
0
1000
1
Pa
1
317
Blocked exhaust filter differential
pressure calculated threshold
0
1000
1
Pa
1
320 Calculated cooling setpoint
0,0
50,0
0,1
°C
1
321 Calculated heating setpoint
0,0
50,0
0,1
°C
1
322 Supply air temperature
-99.0
99,9
0,1
°C
Last sensor in the direction of
airflow
1
323 Fresh air temperature
-99.0
99,9
0,1
°C
1
324 Return air temperature
-99.0
99,9
0,1
°C
1
325 Internal supply air temperature
-99.0
99,9
0,1
°C
(P03 < 2) and ((Number of coils
>1)
or (P29 > 0))
or
Number of coils > 0 and P01 =
ceiling unit
1
326 Room temperature
-99.0
99,9
0,1
°C
P154 Target temperature selection
= Room
1
8 - PARAMETERS
55
Summary of Contents for 39HXC
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