40
41
2VV.
Creating innovative solutions for you and your business since 1995.
ver.5 5-05-20
unit with DX exchanger control OFF/ON and second external water exchanger
unit with DX exchanger control 0-10V and second external water exchanger
FU
SE
Room
Int2
Int1
Ext3
Fan Out
Ext2
Ext1
CO2
Fan In
N
DC12V
P
E
PWM
GND
RPM
RPM
GND
PWM
R
EL
AY
BYPP
SSR
SSR
BOOST /PIR
EXT
FLAP
RUN
PREH
POST
FIRE
R
EL
AY
R
EL
AY
R
EL
AY
R
EL
AY
GND
0-10
GND
+
GND
1
2
3
4
5
6
7
8
9
11
10
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
F
u
57
58
59
60
61
62
32 31
56 55 54 53 52 51 50
48
49
47 46 45 44 43 42 41 40 39 38 37 36 35 34 33
27
28
29
30
25
26
PE
EXT4
INT0
-IN
WAT
POSTH
EAT 2
GND
GND
GND
R
EL
AY
PIR
R
EL
AY
R
EL
AY
R
EL
AY
1
2
3
4
5
6
7
8
9
11
10
12 13 14 15 16 17 18
INT
OUT
CONDEN-
W.PUMP
51
52
50 49 48 47 46 45
43
44
42 41 40 39 38 37 36 35 34
21
22
23
24
19
20
27
28
29
30
25
26
31
32
33
-OUT
WAT
PR
EH
EAT 2
R
EC
IR
C
U
L
ATION
N
OT U
SED
N
OT U
SED
B
A
+12V
GND
B
A
+12V
GND
PR
ESSU
R
E SEN
SOR
S
PUMP
WAT
PUMP
HEAT
ON/OFF
ADB
HEATPUMP
DEFROST
ERROR
SATE
ERROR
ADB
NOT USED
NOT USED
NOT USED
R
OTAR
Y WH
EEL
ER
R
OR
CANL
CANH
GND
+12V
B
A
N
OT U
SED
10V
PREHEAT
0-10
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
+
FU
SE
Room
Int2
Int1
Ext3
Fan Out
Ext2
Ext1
CO2
Fan In
CONTROL PANEL
N
DC12V
P
E
PWM
GND
RPM
RPM
GND
PWM
R
EL
AY
BYPP
SSR
SSR
BOOST /PIR
EXT
FLAP
RUN
PREH
POST
FIRE
R
EL
AY
R
EL
AY
R
EL
AY
R
EL
AY
GND
0-10
GND
+
GND
1
2
3
4
5
6
7
8
9
11
10
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
F
u
57
58
59
60
61
62
32 31
56 55 54 53 52 51 50
48
49
47 46 45 44 43 42 41 40 39 38 37 36 35 34 33
27
28
29
30
25
26
PE
EXT4
INT0
-IN
WAT
POSTH
EAT 2
GND
GND
GND
R
EL
AY
PIR
R
EL
AY
R
EL
AY
R
EL
AY
1
2
3
4
5
6
7
8
9
11
10
12 13 14 15 16 17 18
INT
OUT
CONDEN-
W.PUMP
51
52
50 49 48 47 46 45
43
44
42 41 40 39 38 37 36 35 34
21
22
23
24
19
20
27
28
29
30
25
26
31
32
33
-OUT
WAT
PR
EH
EAT 2
R
EC
IR
C
U
L
ATION
N
OT U
SED
N
OT U
SED
B
A
+12V
GND
B
A
+12V
GND
PR
ESSU
R
E SEN
SOR
S
PUMP
WAT
PUMP
HEAT
ON/OFF
ADB
HEATPUMP
DEFROST
ERROR
SATE
ERROR
ADB
NOT USED
NOT USED
NOT USED
R
OTAR
Y WH
EEL
ER
R
OR
CANL
CANH
GND
+12V
B
A
N
OT U
SED
10V
PREHEAT
0-10
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
+
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-M
AC5-M
JTAG
J
P4
J
P3
J
P2
J
P1
JTAG
J
P4
J
P3
J
P2
J
P1
A
C5-M
A
C-MO
DUL
J
P4
A
C5-M
A
C-MO
DUL
J
P4
64
65
66
63
GND
+12
B
A
N
TC
Coil 2 WATER
L
N
230V
W.PUMP
Postheater
L N
N
TC
Water OUT
Unit DX OFF/ON
Water pump
for coil #2
OFF/ON
COOL
/HEAT
DEFROST
ERROR
D
X OFF/ON
/
0-10V
=
1
24V
GN
D
GN
D
El. mixing valve
for coil #2
24V
0-10V
U
2
3
5
FU
SE
Room
Int2
Int1
Ext3
Fan Out
Ext2
Ext1
CO2
Fan In
N
DC12V
P
E
PWM
GND
RPM
RPM
GND
PWM
R
EL
AY
BYPP
SSR
SSR
BOOST /PIR
EXT
FLAP
RUN
PREH
POST
FIRE
R
EL
AY
R
EL
AY
R
EL
AY
R
EL
AY
GND
0-10
GND
+
GND
1
2
3
4
5
6
7
8
9
11
10
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
F
u
57
58
59
60
61
62
32 31
56 55 54 53 52 51 50
48
49
47 46 45 44 43 42 41 40 39 38 37 36 35 34 33
27
28
29
30
25
26
PE
EXT4
INT0
-IN
WAT
POSTH
EAT 2
GND
GND
GND
R
EL
AY
PIR
R
EL
AY
R
EL
AY
R
EL
AY
1
2
3
4
5
6
7
8
9
11
10
12 13 14 15 16 17 18
INT
OUT
CONDEN-
W.PUMP
51
52
50 49 48 47 46 45
43
44
42 41 40 39 38 37 36 35 34
21
22
23
24
19
20
27
28
29
30
25
26
31
32
33
-OUT
WAT
PR
EH
EAT 2
R
EC
IR
C
U
L
ATION
N
OT U
SED
N
OT U
SED
B
A
+12V
GND
B
A
+12V
GND
PR
ESSU
R
E SEN
SOR
S
PUMP
WAT
PUMP
HEAT
ON/OFF
ADB
HEATPUMP
DEFROST
ERROR
SATE
ERROR
ADB
NOT USED
NOT USED
NOT USED
R
OTAR
Y WH
EEL
ER
R
OR
CANL
CANH
GND
+12V
B
A
N
OT U
SED
10V
PREHEAT
0-10
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
+
FU
SE
Room
Int2
Int1
Ext3
Fan Out
Ext2
Ext1
CO2
Fan In
CONTROL PANEL
N
DC12V
P
E
PWM
GND
RPM
RPM
GND
PWM
R
EL
AY
BYPP
SSR
SSR
BOOST /PIR
EXT
FLAP
RUN
PREH
POST
FIRE
R
EL
AY
R
EL
AY
R
EL
AY
R
EL
AY
GND
0-10
GND
+
GND
1
2
3
4
5
6
7
8
9
11
10
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
F
u
57
58
59
60
61
62
32 31
56 55 54 53 52 51 50
48
49
47 46 45 44 43 42 41 40 39 38 37 36 35 34 33
27
28
29
30
25
26
PE
EXT4
INT0
-IN
WAT
POSTH
EAT 2
GND
GND
GND
R
EL
AY
PIR
R
EL
AY
R
EL
AY
R
EL
AY
1
2
3
4
5
6
7
8
9
11
10
12 13 14 15 16 17 18
INT
OUT
CONDEN-
W.PUMP
51
52
50 49 48 47 46 45
43
44
42 41 40 39 38 37 36 35 34
21
22
23
24
19
20
27
28
29
30
25
26
31
32
33
-OUT
WAT
PR
EH
EAT 2
R
EC
IR
C
U
L
ATION
N
OT U
SED
N
OT U
SED
B
A
+12V
GND
B
A
+12V
GND
PR
ESSU
R
E SEN
SOR
S
PUMP
WAT
PUMP
HEAT
ON/OFF
ADB
HEATPUMP
DEFROST
ERROR
SATE
ERROR
ADB
NOT USED
NOT USED
NOT USED
R
OTAR
Y WH
EEL
ER
R
OR
CANL
CANH
GND
+12V
B
A
N
OT U
SED
10V
PREHEAT
0-10
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
+
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-M
AC5-M
JTAG
J
P4
J
P3
J
P2
J
P1
JTAG
J
P4
J
P3
J
P2
J
P1
A
C5-M
A
C-MO
DUL
J
P4
A
C5-M
A
C-MO
DUL
J
P4
64
65
66
63
GND
+12
B
A
N
TC
Coil 2 WATER
L
N
230V
W.PUMP
Postheater
L N
N
TC
Water OUT
Water pump
for coil #2
Unit DX 0-10V
DX
0-10V
COOL
/HEAT
DEFROST
ERROR
0-10V
/
0-10V
=
1
24V
GN
D
GN
D
El. mixing valve
for coil #2
24V
0-10V
U
2
3
5
DX
OFF/ON
W
DX
0-10V
W
12. WIRING DIAGRAM
