2VV ALFA 95 II Installations- Und Betriebshandbuch Seite 39

12. SCHALTPLAN
Unit DX OFF/ON
unit with DX exchanger OFF / ON control and second external water exchanger
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GND GND GND GND GND GND GND GND GND GND GND GND GND GND PWM PWM GND GND RPM RPM
0-10 0-10
Room Int2 Room Int2 Int1 Int1 Ext3 Ext3 Ext2 Ext2 Ext1 Ext1 CO2 CO2 Fan In Fan In
CONTROL PANEL
FIRE FIRE
PREHEAT PREHEAT
FLAP FLAP RUN RUN ERR. ERR. BOOST /PIR BOOST /PIR
ALARM HEAT ALARM HEAT
W.PUMP W.PUMP
IN-1 IN-2 IN-1 IN-2 L L L L LF1 LF2 LF1 LF2
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Unit DX 0-10V
unit with DX exchanger regulation 0-10V and second external water exchanger
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GND GND GND GND GND GND GND GND GND GND GND GND GND GND 0-10 0-10 PWM PWM GND GND RPM RPM
Room Int2 Room Int2 Int1 Int1 Ext3 Ext3 Ext2 Ext2 Ext1 Ext1 CO2 CO2 Fan In Fan In
CONTROL PANEL
FIRE FIRE
PREHEAT PREHEAT
FLAP FLAP
ALARM HEAT ALARM HEAT RUN RUN ERR. ERR. BOOST /PIR BOOST /PIR
W.PUMP W.PUMP
IN-1 IN-2 IN-1 IN-2 L L L L LF1 LF2 LF1 LF2
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2VV. Creating innovative solutions for you and your business since 1995.
ver.5 5-05-20
W
JTAG JTAG
32 31 32 31
RPM RPM GND GND PWM PWM
NOT USED NOT USED Fan Out Fan Out
GND
+12
B
AC5-M AC5-M
A
CANL CANL
CANH CANH
SSR SSR SSR SSR
GND GND
EXT EXT BYPP BYPP
POST POST PREH PREH
+ + + +
GND GND GND GND 0-10 0-10 GND GND +12V +12V
B B
I-BUS I-BUS
A A
OUTPUT OUTPUT
L
N
Water pump
for coil #2
L N
W.PUMP
230V
Postheater
W
JTAG JTAG
32 31 32 31
RPM RPM GND GND PWM PWM
NOT USED NOT USED Fan Out Fan Out
GND
+12
B
AC5-M AC5-M
A
CANL CANL
CANH CANH
SSR SSR SSR SSR
BYPP BYPP GND GND
EXT EXT
POST POST PREH PREH
+ + + +
+12V +12V
GND GND GND GND 0-10 0-10 GND GND
B B
I-BUS I-BUS
A A
OUTPUT OUTPUT
N L
Water pump
for coil #2
L N
W.PUMP
230V
Postheater
Coil 2 WATER
5
3
2
1
Water OUT
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GND GND GND GND GND GND GND GND GND GND GND GND GND GND 10V 10V GND GND
WAT WAT
WAT WAT
PE PE
EXT4 EXT4 INT0 INT0
-IN -IN -OUT -OUT
NOT USED NOT USED
NOT USED NOT USED
WAT WAT HEAT HEAT ADB ADB COOL COOL ADB ADB HEATPUMP HEATPUMP
CONDEN- CONDEN-
PIR PIR
PUMP PUMP PUMP PUMP /HEAT /HEAT
ON/OFF ON/OFF ERROR ERROR DEFROST DEFROST ERROR ERROR SATE SATE
INT INT OUT OUT
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Coil 2 WATER
5
3
2
1
Water OUT
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GND GND GND GND GND GND GND GND GND GND GND GND GND GND 10V 10V GND GND
WAT WAT WAT WAT
PE PE
EXT4 EXT4 INT0 INT0 -OUT -OUT
-IN -IN
NOT USED NOT USED
NOT USED NOT USED
WAT WAT HEAT HEAT ADB ADB COOL COOL ADB ADB
HEATPUMP HEATPUMP
PIR PIR
PUMP PUMP PUMP PUMP /HEAT /HEAT ERROR ERROR
ON/OFF ON/OFF ERROR ERROR DEFROST DEFROST
INT INT OUT OUT
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El. mixing valve
for coil #2
I-BUS I-BUS I-BUS I-BUS
JTAG JTAG
INPUT INPUT OUTPUT OUTPUT
B B
A A
+12V +12V
GND GND
B B
A A
+12V +12V
GND GND
El. mixing valve
for coil #2
I-BUS I-BUS I-BUS I-BUS
JTAG JTAG
INPUT INPUT OUTPUT OUTPUT
B B
A A
+12V +12V
GND GND
B B
A A
+12V +12V
GND GND
CONDEN- CONDEN-
SATE SATE
ERROR
DEFROST
COOL
/HEAT
OFF/ON
0-10V
ERROR
DEFROST
COOL
/HEAT
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