WHHRM300DC & WHHR400DC 20
Chapter 6
Operation instructions
6.7.3 Adjustable settings table
For a description of these settings refer to section 6.2 and 6.3
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are included in the installation instructions that come with the
option pcb.
User
Adjustable
parameter
Description
Setting range
Factory setting
Installer
U 1
Volume step 1
PD[
100
U 2
Volume step 2
PD[
M300DC 150
400DC 200
U 3
Volume step 3
50..300 (M300DC)
50..400 (400DC)
225 M300DC
300 400DC
U 4
Minimum atmospheric temperature
bypass
5 .. 20
10
U 5
Minimum indoor temperature bypass
18 .. 30
22
U 8
Not applicable
0.1
0 (off)
I 1
Fixed imbalance
0
I 2
No contact step
0,1,2,3
1
I 3
Not applicable
2.3
2
I 4
Switch line 1 step
0,1,2,3
1
I 5
Switch line 2 step
0,1,2,3
2
I 6
Switch line 3 step
0,1,2,3
3
I 7
Imbalance permissible
0.1
1 (Yes)
I 8
Bypass mode
0,1,2
1
I 9
Hysteresis bypass
0 .. 5
2
I10
Constant pressure switched off
0.1
0 (no)
I11
Preheater or postheater
0, 1, 2, 3
0
I12
Offset temperature preheater
0.5
I13
Filter message on/off
1.0
1 (on)
I14
Option pcb present
1.0
0 (no)
I15
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0.1
0 (heat recovery)
I16
Fan off
1,2,3
1 (Output fan)
I17
Repeat time
1 .. 24
24 (hours)
I18
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1 .. 240
60 (seconds)
I19
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switching on 230V.
1 .. 240
1 (second)
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or “P”(option pcb).
