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)
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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
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P5 Determines how programmable make contact 1 is linked to other functions: 0 = not linked
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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
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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
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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
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P12 'HWHUPLQHVWKHPD[LPXPYROWDJHRIWKHGHYLFHFRQQHFWHGWRSURSRUWLRQDOLQSXW7KHSURSRUWLRQDOEDQGRIWKH3,FRQWUROOHU
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.
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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 /LQNLQJEHGURRPYDOYH 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