10
OI/ADS430/EZCLN–EN Rev. B
| Aztec ADS430 EZCLEAN | Compressed air supply unit
4.2 Electrical connections
4.2.1 24 V DC supply
(compressor unit to Aztec AWT440 transmitter)
Referring to Fig. 2.1, page 5:
1.
Release the 2 door locks
Q
and open the compressed air
unit door.
Referring to Fig. 4.4:
2.
Loosen the M12 cable gland entry on the base of the
compressed air unit and pass one end of the sheathed
twin-core connection cable through. Pass the other end of
the cable through the required cable gland entry on the
transmitter refer to the transmitter Operating instruction
(OI/AWT440-EN) for gland entry options.
3.
Make connections between the compressed air unit and
transmitter.
4.
Tighten low voltage cable glands on compressed air unit
and transmitter.
5.
Proceed to Section 4.2.2 to make the mains voltage supply
connection to the compressed air unit.
4.2.2 Mains voltage supply (230 or 115 V AC)
Referring to Fig. 4.5:
1.
Loosen the M20 cable gland entry on the base of the
compressed air unit and pass the free end of the 3-core
mains supply cable through.
2.
Make mains power supply connections to the compressed
air unit Neutral / Earth / Live terminals.
3.
Tighten the M20 mains supply voltage cable gland.
4.
Close and lock the compressed air unit door – refer to Fig.
2.1, page 5.
5.
Proceed to Section 5, page 11 to configure the cleaning
schedule.
WARNING – Bodily injury
— Isolate the compressed air unit and Aztec AWT440
transmitter from the mains power supply before
making electrical connections.
— Ensure all cable runs are safe and do not present
a trip hazard when routing / securing.
Fig. 4.4 24 V DC connections –
compressed air unit to Aztec AWT440 transmitter
MAINS INPUT 115V/230V
+
–
COMM S
OUT 1 OUT 2
RELAY 1
RELAY 2
RELAY 3
RELAY 4
N
L
IN
T
+24V
DIO1
DIO2
DIO3
DIO4
DIO5
DIO6
DIO CO
M
N/
C
CO
M
N/
C
N/
C
CO
M
N/
C
N/
C
CO
M
N/
C
N/
C
CO
M
N/
C
RS485 SMAR T SENSO R
INTERFACE MODULE
CM40/0215 ISS. 1
COMMUNICA
TIONS
MODULE
I/O MODULE 2
I/O MODULE 3
SK1
SK4
SK5
SK2
1
2
3
4
+
–
+
–
5
FUSE RA
TING
3.15A (T
)
~100 – 240V
50/60 Hz
RED
BLAC
K
SCREEN
WHIT
E
GREE
N
I/O MODULE 3
SK5
RELAY
5
OUT 3 OUT 4
RELAY
6
CO
M
N/
C
CO
M
N/
C
ANALOGUE OUTPUT BOARD
CM40/0235
+
–
+
–
IN
T
+24V
DIO1
DIO2
DIO3
DIO4
DIO5
DIO6
DIO COM
Compressed air unit
Aztec AWT440
transmitter
To
INT + 24V
terminal
on Aztec AWT440 transmitter
To
DI01
to
DI06
terminal on
transmitter (assign terminal ID (1
to 6) at
Input/Output / Digital I/O
/ Digital I/O 1 (to 6)
parameter –
see OI/AWT440-EN
M12 cable gland
entry (24 V DC cable)
To
positive (+)
connection on
compressed air unit 24 V DC relay
To
negative (–)
connection
on compressed air unit
24 V DC relay
24 V DC relay
WARNING – Bodily injury
— Isolate the compressed air unit and Aztec AWT440
transmitter from the mains power supply before
making electrical connections.
— Ensure the voltage supply matches the supply
voltage specified on the instrument label
P
fitted
within the enclosure before making connections –
see Fig. 2.1, page 5.
— Ensure all cable runs are safe and do not present
a trip hazard when routing / securing.
Fig. 4.5 Mains supply voltage 230 or 115 V AC connections
MAINS INPUT 115V/230V
N E L
M20 cable
gland entry
(230 / 115 V AC
mains supply cable)
Neutral
Earth
Live
2 A anti-surge
fuse (beneath
cover)
