71/162
AB Industrietechnik srl – Via Julius Durst, 70 – 39042 BRESSANONE (BZ) Italy – Tel: +39 0472/830626 – [email protected] – www.industrietechnik.it
if CO
2
<= (
167
+ (
168
*(1/3))), speed 1 is ON.
)RUWKHPRGXODWLQJIDQ
If CO
2
>
167,
WKHVSHHGLVPRGXODWHGEHWZHHQVSHHGVDQG
Control of speed based on temperature (
009
=2):
- Summer control:
&RQWURO RI WKH IDQV LV FDUULHG RXW EDVHG RQ WKH WHPSHUDWXUH RI WKH FRQWURO VHQVRU WKH FRROLQJ RSHUDWLQJ VHWSRLQW DQG WKH
SURSRUWLRQDOEDQGRIWKHIDQSDUDPHWHU
157
).
'HSHQGLQJRQWKHW\SHRIIDQDQGWKHRSHUDWLQJVHDVRQWKH\ZLOOZRUNDFFRUGLQJWRWKHIROORZLQJFKDUW
Treg
WCS
OFF
Fan 1
on/off speed
Treg
WCS
157
0
Modulating
fan
ON
Treg
WCS
157
OFF
Fan 2
on/off speed
FAN1
FAN2
Treg
WCS
157
OFF
Fan 3
on/off speed
FAN1
FAN3
FAN2
FAN1
FAN3
7UHJWHPSHUDWXUHRIWKHFRQWUROVHQVRU
:&6FRROLQJRSHUDWLRQVHWSRLQW
157
SURSRUWLRQDOEDQGRIWKHIDQ
9(/VSHHG
= [(
154
/ 100) x (
151
-
150
)] +
150
IRUWKHVXSSO\DQG
=[(
154
/ 100) x (
153
-
152
)] +
152
IRUWKHH[WUDFWLRQ
9(/VSHHG
= [(
155
/ 100) x (
151
-
150
)] +
150
IRUWKHVXSSO\DQG
=[(
155
/ 100) x (
153
-
152
)] +
152
IRUWKHH[WUDFWLRQ
9(/VSHHG
= [(
156
/ 100) x (
151
-
150
)] +
150
IRUWKHVXSSO\DQG
=[(
156
/ 100) x (
153
-
152
)] +
152
IRUWKHH[WUDFWLRQ
)RUWKHWZRVSHHGIDQ
LI7UHJ :&6VSHHGLV21DQGLI7UHJLQFUHDVHVZKHQ7UHJ!:&6
157
), speed 2 is ON,
if Treg decreases and Treg <= (WCS +
157
/2), speed 1 is ON,
)RUWKHWKUHHVSHHGIDQ
if Treg <= WCS, speed 1 is ON,
if Treg increases and Treg >= (WCS + (
157
*(2/3))) and Treg < (WCS +
157
), speed 2 is ON,
if Treg > (WCS +
157
), speed 3 is ON,
