55/162
AB Industrietechnik srl – Via Julius Durst, 70 – 39042 BRESSANONE (BZ) Italy – Tel: +39 0472/830626 – [email protected] – www.industrietechnik.it
Operation with on/off damper and cooling modulating valve:
Do following settings:
-
170
RUDXWKRUL]DWLRQRIIUHHFRROLQJUHJDUGOHVVWKHZRUNLQJVHDVRQRU
170
RUDXWKRUL]DWLRQRIIUHHFRROLQJLQFRRO
-
ing mode only),
GRWKHUHJXODWLRQRQURRPVHQVRULQWHUQDORUUHPRWHVHQVRU
001
LQFDVHWKHUHPRWHVHQVRULVXVHGVHWDQDQDORJXHLQSXWDVUHPRWHVHQVRU
019
=1 (AI1) or
021
=1 (AI2) or
023
=1 (AI3)),
- set an analogue input as external sensor
019
=3 (AI1) or
021
=3 (AI2) or
023
=3 (AI3),
H[WHUQDORQRIIGDPSHUFRQWUROOHGE\IUHHFRROLQJKHDWLQJ
010
=1 and
011
=1 or 2,
025
=11 (DO1) or
026
=11 (DO2) or
027
=11
(DO3) or
028
=11 (DO4) or
029
=11 (DO5),
- modulating cooling valve
003
=1 and
030
=4 (AO1) or
031
=4 (AO2) or
032
=4 (AO3) or modulating mixed-use valve in cooling
002
=2
003
=1 and
030
=5 (AO1) or
031
=5 (AO2) or
032
=5 (AO3).
100%
0%
Treg
116
WCS
116
/2
7UHJFRQWUROWHPSHUDWXUH
:&6FRROLQJRSHUDWLRQVHWSRLQW
116
FRROLQJSURSRUWLRQDOEDQG
VROLGFXUYHRQRIIGDPSHURXWSXW
GDVKHGFXUYHPRGXODWLQJFRROLQJYDOYHRXWSXW
,QWKHSUHVHQFHRIIUHHFRROLQJFRQGLWLRQV
If Treg > (WCS +
116
WKHRQRIIGDPSHUFRQWUROOHGE\WKHIUHHFRROLQJLVDFWLYDWHG
,I7UHJ :&6WKHRQRIIGDPSHUFRQWUROOHGE\WKHFRROLQJLVGLVDEOHG
7KHYDOYHFKDQJHVSRVLWLRQIURPFORVHGWRRSHQZKHQ7UHJFKDQJHIURP:&6
116
/2) to (WCS +
116
).
Operation with on/off bypass damper and cooling modulating valve:
Do following settings:
-
170
RUDXWKRUL]DWLRQRIIUHHFRROLQJUHJDUGOHVVWKHZRUNLQJVHDVRQRU
170
RUDXWKRUL]DWLRQRIIUHHFRROLQJLQFRRO
-
ing mode only),
GRWKHUHJXODWLRQRQURRPVHQVRULQWHUQDORUUHPRWHVHQVRU
001
LQFDVHWKHUHPRWHVHQVRULVXVHGVHWDQDQDORJXHLQSXWDVUHPRWHVHQVRU
019
=1 (AI1) or
021
=1 (AI2) or
023
=1 (AI3)),
- set an analogue input as external sensor
019
=3 (AI1) or
021
=3 (AI2) or
023
=3 (AI3),
RQRIIE\SDVVGDPSHUIRUKHDWH[FKDQJHU
010
=2,
011
=1 and
012
=1,
025
=13 (DO1) or
026
=13 (DO2) or
027
=13 (DO3) or
028
=13 (DO4) or
029
=13 (DO5),
- modulating cooling valve
003
=1 and
030
=4 (AO1) or
031
=4 (AO2) or
032
=4 (AO3) or modulating mixed-use valve in cooling
002
=2
003
=1 and
030
=5 (AO1) or
031
=5 (AO2) or
032
=5 (AO3).
100%
0%
Treg
116
WCS
116
/2
178
7UHJFRQWUROWHPSHUDWXUH
:&6FRROLQJRSHUDWLRQVHWSRLQW
116
FRROLQJSURSRUWLRQDOEDQG
178
+\VWHUHVLVUHJXODWLRQIUHHKHDWLQJFRROLQJ
VROLGFXUYHRQRIIGDPSHURXWSXW
GDVKHGFXUYHPRGXODWLQJFRROLQJYDOYHRXWSXW
:LWKIUHHFRROLQJFRQGLWLRQV
,I7UHJ!:&6WKHRQRIIE\SDVVGDPSHUUHJXODWHGRQIUHHFRROLQJLVDFWLYDWHG
If Treg <= (WCS -
178
WKHRQRIIE\SDVVGDPSHUUHJXODWHGRQIUHHFRROLQJLVGHDFWLYDWHG
7KHYDOYHFKDQJHVSRVLWLRQIURPFORVHGWRRSHQZKHQ7UHJFKDQJHIURP:&6
116
/2) to (WCS +
116
).