No, Description
Setting
Unit
Display conditions
Access
level
Enumeration
By default
220
Heat recovery unit min. flow rate pressure
drop threshold
as per P1
Pa
P37 Heat recovery unit pressure
sensor = With
3
221
Heat recovery unit max. flow rate pressure
drop threshold
as per P1
Pa
P37 Heat recovery unit pressure
sensor = With
3
225
Temperature difference for recovery unit run
authorisation
3
°C
2
226 Gradual speed heat recovery unit min. speed
10
%
P36 Heat recovery unit = Gradual
speed
3
227 Heat recovery unit frost protection
temperature threshold
-15
°C
P36 Heat recovery unit = Gradual
speed
and
P37 Heat recovery unit differential
pressure sensor = Without
3
-3
P36 Heat recovery unit = Plate
and
P37 Heat recovery unit differential
pressure sensor = Without
228 Frost protection temperature setpoint
17,0
°C
P154 Target temperature selection
= room
2
230 Supply air temperature low limit setpoint
16,0
°C
156 Supply air limitation = with
2
231 Supply air temperature upper limit setpoint
26,0
°C
P156 Supply air limitation = with
2
232 Supply air temperature limit proportional
band
20,0
°C
P156 Supply air limitation = with
2
233 Supply air temperature limit integral time
150
s
P156 Supply air limitation = with
2
234 Low supply air temperature compensation
setpoint in deadband
16,0
°C
P157 Supply air compensation in
deadband
2
235 Low supply air temperature compensation
proportional band in deadband
5,0
°C
P157 Supply air compensation in
deadband
2
236 High supply air temperature compensation
setpoint in deadband
35,0
°C
P157 Supply air compensation in
deadband
2
237 High supply air temperature compensation
proportional band in deadband
5,0
°C
P157 Supply air compensation in
deadband
2
240 Supply air temperature low limit threshold
15,0
°C
2
241 Supply air temperature upper limit threshold
35,0
°C
2
242 Return air temperature low limit threshold
15,0
°C
P154 Target temperature selection
=
return air
2
243 Return air temperature upper limit threshold
35,0
°C
P154 Target temperature selection
=
return air
2
244 Room temperature low limit threshold
15,0
°C
P154 Target temperature selection
= room
2
245 Room temperature upper limit threshold
35,0
°C
P154 Target temperature selection
= room
2
248 Frost protection threshold
4,0
°C
P28 Water coil no.1 = Cooling or
Heating
or Mixed
or
P29 = cold water or hot water or
mixed
3
260 Min. opening percentage for coil 1 valve
when unit off
0
%
P28 Water coil no.1 = Cooling or
Heating
2
261 Opening percentage for the coil 2 valve when
unit stopped
0
%
P29 Water coil no.2 = Cooling or
Heating or Mixed
2
265 Fresh air temperature limit for unit operation
-12
°C
P36 Heat recovery unit = Plate and
P31 Electric preheater = without
-20
P36 Heat recovery unit = Plate and
P31 Electric preheater = with
3
-25
P36 Heat recovery unit = Gradual
speed
3
270 Temperature setpoint compensation
activation
0: Without
1: With
0
2
270,1 Heating compensation start fresh air temp.
10,0
°C
P270 = With
2
270,2 Heating compensation end fresh air temp.
-20.0
°C
P270 = With
2
270,3 Heating compensation max. setpoint
difference
3,0
°C
P270 = With
2
270,5 Cooling compensation start fresh air temp.
25,0
°C
P270 = With
2
270,6 Cooling compensation end fresh air temp.
40,0
°C
P270 = With
2
270,7 Cooling compensation max. setpoint
difference
2,0
°C
P270 = With
2
271
Downgraded fresh air flow rate activation
0: Without
1: With
0
2
8 - PARAMETERS
54
Summary of Contents for 39HXC
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