Sterlco SDAP 90-225 CFM Series Drying and Conveying Systems - Manual (Page 43)

SDAP Series PD 2 to PD 4 Drying and Conveying Systems Page 43
Figure 15
Typical PD2-4 Electrical Schematic, Drawing 2
TYPE K
TYPE K
FOR JUMPER
TERMINALS
YELLOW
7-DAY TMR
(OPTIONAL ALARM)
ELECTRICAL UNIT
LEVEL SENSOR
LOW LEVEL SENSOR
DRYING HOPPER
(OPTIONAL)
4
4
4
C1 N O
SEE TIMING CHART
CONFIGURATIONS
FOR JUMPERS
TIMING INPUTS
DRYING HOPPER
DEMAND REED SW.
DRYING HOPPER
LOADING COMPLETE
CONVEYING
FOR TIMING
TERMINALS
DUMP DELAY
(OPTIONAL)
(OPTIONAL)
JUMPERS
YELLOW
18GA
4
4
6
DRYING HOPPER
CONVEY POWER ON
LOADING COMPLETE
MAHCINE LOADER
MACHINE LOADER
DEMAND PROX. SW.
MACHINE LOADER
(OPTIONAL)
POWER ON
4
4
6
4
4
(LINE 129)
4
REGEN TEMP ALARM
PUSH TO SILENCE
HIGH PROCESS
LOW COMPRESSED
HIGH LEFT BED
REGEN TEMP ALARM
HIGH RIGHT BED
TEMP ALARM
AIR ALARM
(LINE 136)
(LINE 129)
4
T2
T6
T4
T4
T6
T2
4
4
4
T3
(-)RED
(+)YEL
T5
T7
(-)RED
(+)YEL
T5
T3
T7
REGEN BLOWER
DEW POINT BED
PROCESS BLOWER
SWITCHING
ENABLE
ENABLE
INPUT
(LINE 139)
4
4
COMPRESSED AIR
DRYER ON/
SHUTDOWN
SEQUENCE
4 17
4
CONTACTOR
I/19
34
DRYING HOPPER"
"CRITICAL LEVEL 2
2
O/8
O/9
O/10
31
I/16
I/18
I/17
33
32
O/11
I/15
I/14
30
8
29
48
49
7
7
46
44
47
45
VAC/VDC
O/7
O/6
O/5
I/13
I/12
28
27
2
8
I/11
I/10
26
25
2
4
43
43
42
41
41
40
2 MACHINE LOADER
CONVEY TIMER
DRYING HOPPER
CONVEY TIMER
2
2
2
MACHINE LOADER
CONVEY BLOWER
"MATERIAL LOADING"
CONVEY BLOWER
DRYING HOPPER
"MATERIAL LOADING" 2
2
2
2
ALARM STROBE (OPTIONAL)
AUDIBLE ALARM (OPTIONAL)
"LEFT REGEN HEATER ON"
2
2
BED SHIFT RELAY
"RIGHT BED IN REGEN"
"HIGH REGEN TEMP" 2
2
2
2
GRD I/1
2
O/4
VAC/VDC
VAC/VDC
O/3
O/2
5
I/9
I/8
I/7
24
9
I/6
I/5
23
TC
22
TC
39
40
4
39
37
4
38
VAC/VDC
O/1
O/0
VAC/VDC
I/4
AC COM
10
2
I/3
I/2
21
19
18
36
4
20
35
4
"RIGHT BED HEATER ON"
2
CONTACTOR
RIGHT REGEN HEATER
LEFT REGEN HEATER 2
2
CONTACTOR
PROCESS HEATER
"PROCESS HEATER ON" 2
2
2
CONTACTOR
"PROCESS BLOWER ON"
REGEN BLOWER
"REGEN BLOWER ON" 2
2
CONTACTOR
PROCESS BLOWER 2
L2/N I/0
AC COM
16
6
2
L1
2
4
2
2
3MTR
3RS
1TMR
2MTR
4RS-LT
EU
2LS
4
31
32
33
1LS
5RS-LT
G
1PRS
G
2M
1M
2RS
1C
15LT
R
1CR
12LT
W
1AH
13LT
G
3M
4M
14LT
G
2TMR
3TMR
11LT
R
10LT
G
9LT
G
30L
40L
GROUND
3C
7LT
G
8LT
G
2M
1M
5LT
G
2C
8LT
G
1SSR
20L
10L
These schematics are for reference only. Refer to the electrical schematic in your Customer Information Packet.