2VV ALFA 85 - Page 50

50
2VV. Creating innovative solutions for you and your business since 1995.
11. WIRING DIAGRAM
FUSE
Room Int2 Int1 Ext3 Fan OutExt2 Ext1 CO2 Fan In
N
DC12V
PE
PWMGNDRPMRPMGNDPWM
RELAY
BYPP
SSR
SSR
BOOST
/PIR
EXT
FLAP
RUN
PREHPOST
FIRE
RELAY RELAY RELAY RELAY
GND0-10GND
+
GND
1 2 3 4 5 6 7 8 9 1110 12 13 14 15 16 17 18 19 20 21 22 23 24
IN-1 IN-2 L L LF1 LF2
ERR.
COOL
ALARM HEAT
/HEAT
L
L
Fu
57 58 59 60 61 62
32 3156 55 54 53 52 51 50 4849 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33
27 28 29 3025 26
PE
EXT4
INT0
-IN
WAT
POSTHEAT 2
GND GNDGND
RELAY
PIR
RELAY RELAY RELAY
1 2 3 4 5 6 7 8 9 1110 12 13 14 15 16 17 18
INT OUT
CONDEN-
W.PUMP
51 52
50 49 48 47 46 45 4344 42 41 40 39 38 37 36 35 34
21 22 23 2419 20 27 28 29 3025 26
31 32 33
-OUT
WAT
PREHEAT 2
RECIRCULATION
NOT USED NOT USED
B
A
+12V
GND
B
A
+12V
GND
PRESSURE SENSORS
PUMP
WAT
PUMP
HEAT
ON/OFF
ADB
HEATPUMP
DEFROST
ERROR
SATE
ERROR
ADB
NOT USED
NOT USED
NOT USED
ROTARY WHEEL ERROR
CANL
CANH
GND
+12V
B
A
NOT USED
10V
PREHEAT
0-10
GND GND GND GND GND GNDGNDGNDGNDGNDGNDGND
+
FUSE
Room Int2 Int1 Ext3 Fan OutExt2 Ext1 CO2 Fan In
CONTROL PANEL
N
DC12V
PE
PWMGNDRPMRPMGNDPWM
RELAY
BYPP
SSR
SSR
BOOST
/PIR
EXT
FLAP
RUN
PREHPOST
FIRE
RELAY RELAY RELAY RELAY
GND0-10GND
+
GND
1 2 3 4 5 6 7 8 9 1110 12 13 14 15 16 17 18 19 20 21 22 23 24
IN-1 IN-2 L L LF1 LF2
ERR.
COOL
ALARM HEAT
/HEAT
L
L
Fu
57 58 59 60 61 62
32 3156 55 54 53 52 51 50 4849 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33
27 28 29 3025 26
PE
EXT4
INT0
-IN
WAT
POSTHEAT 2
GND GNDGND
RELAY
PIR
RELAY RELAY RELAY
1 2 3 4 5 6 7 8 9 1110 12 13 14 15 16 17 18
INT OUT
CONDEN-
W.PUMP
51 52
50 49 48 47 46 45 4344 42 41 40 39 38 37 36 35 34
21 22 23 2419 20 27 28 29 3025 26
31 32 33
-OUT
WAT
PREHEAT 2
RECIRCULATION
NOT USED NOT USED
B
A
+12V
GND
B
A
+12V
GND
PRESSURE SENSORS
PUMP
WAT
PUMP
HEAT
ON/OFF
ADB
HEATPUMP
DEFROST
ERROR
SATE
ERROR
ADB
NOT USED
NOT USED
NOT USED
ROTARY WHEEL ERROR
CANL
CANH
GND
+12V
B
A
NOT USED
10V
PREHEAT
0-10
GND GND GND GND GND GNDGNDGNDGNDGNDGNDGND
+
JTAG
I-BUS
I-BUS
INPUT
OUTPUT
B-v1
JTAG
I-BUS
I-BUS
INPUT
OUTPUT
B-v1
I-BUS
OUTPUT
I-BUS
OUTPUT
AC5-MAC5-M
JTAG
JP4
JP3 JP2 JP1
JTAG
JP4
JP3 JP2 JP1
AC5-M
AC-MODUL
JP4
AC5-M
AC-MODUL
JP4
64 65 6663
GND
+12
B
A
NTC
Coil 2 WCO
NTC NTC
L
N
230V
L
N
Unit Electric
Water pump
for coil #2
/ 0-10V=
1
24V
GND GND
El. mixing valve
for coil #2
24V
0-10V
U
2
3
5
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FUSE
Room Int2 Int1 Ext3 Fan OutExt2 Ext1 CO2 Fan In
N
DC12V
PE
PWMGNDRPMRPMGNDPWM
RELAY
BYPP
SSR
SSR
BOOST
/PIR
EXT
FLAP
RUN
PREHPOST
FIRE
RELAY RELAY RELAY RELAY
GND0-10GND
+
GND
1 2 3 4 5 6 7 8 9 1110 12 13 14 15 16 17 18 19 20 21 22 23 24
IN-1 IN-2 L L LF1 LF2
ERR.
COOL
ALARM HEAT
/HEAT
L
L
Fu
57 58 59 60 61 62
32 3156 55 54 53 52 51 50 4849 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33
27 28 29 3025 26
PE
EXT4
INT0
-IN
WAT
POSTHEAT 2
GND GNDGND
RELAY
PIR
RELAY RELAY RELAY
1 2 3 4 5 6 7 8 9 1110 12 13 14 15 16 17 18
INT OUT
CONDEN-
W.PUMP
51 52
50 49 48 47 46 45 4344 42 41 40 39 38 37 36 35 34
21 22 23 2419 20 27 28 29 3025 26 31 32 33
-OUT
WAT
PREHEAT 2
RECIRCULATION
NOT USED NOT USED
B
A
+12V
GND
B
A
+12V
GND
PRESSURE SENSORS
PUMP
WAT
PUMP
HEAT
ON/OFF
ADB
HEATPUMP
DEFROST
ERROR
SATE
ERROR
ADB
NOT USED
NOT USED
NOT USED
ROTARY WHEEL ERROR
CANL
CANH
GND
+12V
B
A
NOT USED
10V
PREHEAT
0-10
GND GND GND GND GND GNDGNDGNDGNDGNDGNDGND
+
FUSE
Room Int2 Int1 Ext3 Fan OutExt2 Ext1 CO2 Fan In
CONTROL PANEL
N
DC12V
PE
PWMGNDRPMRPMGNDPWM
RELAY
BYPP
SSR
SSR
BOOST
/PIR
EXT
FLAP
RUN
PREHPOST
FIRE
RELAY RELAY RELAY RELAY
GND0-10GND
+
GND
1 2 3 4 5 6 7 8 9 1110 12 13 14 15 16 17 18 19 20 21 22 23 24
IN-1 IN-2 L L LF1 LF2
ERR.
COOL
ALARM HEAT
/HEAT
L
L
Fu
57 58 59 60 61 62
32 3156 55 54 53 52 51 50 4849 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33
27 28 29 3025 26
PE
EXT4
INT0
-IN
WAT
POSTHEAT 2
GND GNDGND
RELAY
PIR
RELAY RELAY RELAY
1 2 3 4 5 6 7 8 9 1110 12 13 14 15 16 17 18
INT OUT
CONDEN-
W.PUMP
51 52
50 49 48 47 46 45 4344 42 41 40 39 38 37 36 35 34
21 22 23 2419 20 27 28 29 3025 26 31 32 33
-OUT
WAT
PREHEAT 2
RECIRCULATION
NOT USED NOT USED
B
A
+12V
GND
B
A
+12V
GND
PRESSURE SENSORS
PUMP
WAT
PUMP
HEAT
ON/OFF
ADB
HEATPUMP
DEFROST
ERROR
SATE
ERROR
ADB
NOT USED
NOT USED
NOT USED
ROTARY WHEEL ERROR
CANL
CANH
GND
+12V
B
A
NOT USED
10V
PREHEAT
0-10
GND GND GND GND GND GNDGNDGNDGNDGNDGNDGND
+
JTAG
I-BUS
I-BUS
INPUT
OUTPUT
B-v1
JTAG
I-BUS
I-BUS
INPUT
OUTPUT
B-v1
I-BUS
OUTPUT
I-BUS
OUTPUT
AC5-MAC5-M
JTAG
JP4
JP3 JP2 JP1
JTAG
JP4
JP3 JP2 JP1
AC5-M
AC-MODUL
JP4
AC5-M
AC-MODUL
JP4
64 65 6663
GND
+12
B
A
NTC
Coil 2 DX OFF/ON
NTC
Unit Electric
OFF/ON
COOL
/HEAT
DEFROST
ERROR
DX OFF/ON

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