1
st
Issue 09/05 17
DMP026E
T1
U2
T2
B1
B2
Damper
U1
Anti
frost
4: Primary air. 3 coils (heating,cooling, post-heating) humidification. Compensated or set
point control of dew point and supply temperature. On/Off humidifier, anti-frost
thermostat.
The inputs marked by ° are optional. The stroke end, if not used, must be short-circuited,
in order to have a “On” value; the others must be left free.
Pressure
switch
B3
T3
F
N
P
O
W
E
R
S
U
P
P
LY
23
0
V
ca
N
0
R
0
R
S
W
IT
C
H
M
A
IN
N
IG
R
1
F1
N
1
2
30
/2
4
V
ca
T
R
S
T
E
71
L
D
W
E
D
U
C
T
T
E
M
P
. (
T
2)
R
O
O
M
/
D
U
C
T
T
E
M
P
.
(°
)
D
A
M
P
E
R
S
T
A
T
U
S
Y
M
V+
L2
L1
Y
M
V+
L2
L1
G
ro
un
d
C
o
nn
ec
tio
n
DG501C HVAC SYSTEM 4
ALI
INPUT
OUTPUT
(°
)
O
U
T
S
ID
E
T
E
M
P
E
R
A
T
U
R
E
(
T
1)
1
2
7
0V
DI1
8
0V
DI2
9
0V
AI1
0V
10
AI2
AI3
11
0V
0V
12
AI4
13
0V
AI5
0V
14
AI6
0V
15
AI7
0V
16
AI8
0V
17
AI9
0V
18
AI10
AO2
0V
19
20
AO1
21
0V
0V
AO3
22
0V
AO4
DO2
44
43
45
DO1
47
46
48
DO3
50
49
DO4
DO6
52
51
53
DO5
54
H
U
M
ID
IT
Y
S
W
IT
C
H
R
O
O
M
/D
U
C
T
(
U
2
)
A
N
T
IF
R
O
S
T
T
H
E
R
M
O
S
T
A
T
(°
)
D
IF
F
E
R
E
N
T
IA
L
P
R
E
S
S
U
R
E
S
W
IT
C
H
Y
L1 L2
V+ M
O
U
T
P
U
T
V
A
L
V
E
H
E
A
T
IN
G
C
O
IL
(B
1)
C
O
O
LI
N
G
C
O
IL
(B
2)
O
U
T
P
U
T
V
A
L
V
E
P
O
S
T
-
H
E
A
T
IN
G
C
O
IL
O
U
T
P
U
T
V
A
L
V
E
(B
3
)
S
T
A
71
L
S
T
D
71
L
S
T
D
71
L
H
U
M
ID
IF
IE
R
O
N
/O
F
F
O
U
T
P
U
T
(
U
1)
O
U
T
P
U
T
O
N
/O
F
F
F
A
N
O
U
T
P
U
T
D
A
M
P
E
R
O
N
/O
F
F
D
IR
T
Y
F
IL
T
E
R
S
A
LE
R
T
U
F
2
15
/2
1
6
Y
1
10
B
D
29
5
P
O
S
T
-H
E
A
TI
N
G
(T
3
)
3 POS.
SWITCH
M
A
N
.(
O
N
)
A
U
T
.
M
A
N
.(
O
F
F
)
PRESSURE SW.
THERMOSTAT
DAMPER
HUMIDITY SW.
CONTACT OPEN = UR% MEASURED > SET POINT
CONTACT CLOSE = DIRTY FILTERS ALARM
CONTACT OPEN = ANTIFROST ALARM
CONTACT CLOSE = DAMPER OPEN
- OBSERVE THE CONTROLLERS AND ACTUATORS PHASES AS PER CONNECTION DRAWING
WARNING:
- (°) = OPTIONAL FUNCTION
Summary of Contents for DG501C
Page 32: ...1st Issue 09 05 32 DMP026E...
Page 33: ...1st Issue 09 05 33 DMP026E...