10
Heat Recovery unit CWL-300(B) / CWL-400(B) with option PCB
Chapter 4
Settings
U1 to U5 & U8
These settings are described in chapters 6.2 , 6.3 and 6.7.3 of the general installation instructions CWL 300/400(B).
U6
Target temperature postheater (only if a postheater is mounted)
U7
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A = only 3-way switch
b = moisture sensor
C = carbon dioxide sensor
d = moisture sensor and carbon dioxide sensor (moisture sensor before carbon dioxide sensor)
I1 - I19
These settings are described in chapters 6.4 and 6.7.3 of the general installation instructions CWL 300/400(B)
P1
Air quantity input fan when incident input is switched
P2
Air quantity output fan when incident input is switched
P3
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P4
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P5
Determines how programmable make contact 1 is linked to other functions:
0 = not linked
RYHUUXOHIURVWSURWHFWLRQ
2
=
link
to
bypass
conditions
3
=
link
to
frost
conditions
4
=
control
bypass
damper
P6
Determines how the input fan responds when make contact 1 is made:
YROXPHWRDEVROXWHPLQLPXP
YROXPHDVSHUVHWWLQJZD\VZLWFK
YROXPHDVSHUVHWWLQJRIWKHZD\VZLWFK
3
=
fan
off
P7
Determines how the output fan responds when make contact 1 is made:
YROXPHWRDEVROXWHPLQLPXP
YROXPHDVSHUVHWWLQJZD\VZLWFK
YROXPHDVSHUVHWWLQJRIWKHZD\VZLWFK
3
=
fan
off
P8
Determines how programmable make contact 2 is linked to other functions:
0 = not linked
RYHUUXOHIURVWSURWHFWLRQ
2
=
link
to
bypass
conditions
3
=
link
to
frost
conditions
4
=
control
bypass
damper
P9
Determines how the input fan responds when make contact 2 is made:
YROXPHWRDEVROXWHPLQLPXP
YROXPHDVSHUVHWWLQJZD\VZLWFK
YROXPHDVSHUVHWWLQJRIWKHZD\VZLWFK
3
=
fan
off
P10
Determines how the output fan responds when make contact 2 is made:
YROXPHWRDEVROXWHPLQLPXP
YROXPHDVSHUVHWWLQJZD\VZLWFK
YROXPHDVSHUVHWWLQJRIWKHZD\VZLWFK
3
=
fan
off
P11
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WKHWDUJHWYROWDJH
P12
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is adapted automatically.
P13
Determines the integration time of the PI controller of proportional input 1. The PI controller will control purely proportional when the integration
period is 0 seconds.
P14
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WKHWDUJHWYROWDJH
P15
'HWHUPLQHVWKHPD[LPXPYROWDJHRIWKHGHYLFHFRQQHFWHGWRSURSRUWLRQDOLQSXW7KHSURSRUWLRQDOEDQGRIWKH3,FRQWUROOHU
is adapted automatically.
P16
Determines the integration time of the PI controller of proportional input 2. The PI controller will control purely proportionally when the integration
period is 0 seconds.
P17
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0 = no link,
1 = link to bypass control
2 = link to frost safety
The user-adjustable parameters are indicated with “U”.
The installer-adjustable parameters are indicated with “I” (basic pcb) and “P” (option pcb).
4.2.3 Explanation setting parameters
