AEC WD 350 through WD3000 Dehumidifying Dryers - Manual (Page 21)

Figure 7
Typical WD25MR/FR, WD50MR/FR Electrical Schematic, Drawing 1
TB1
1DBLK
2FU 1RS
OFF ON
CONTROL POWER
1CR
4
2
4
PROCESS HIGH TEMP. RELAY
POWER ON
OX
18GA WHT (TYP)
18GA RED (TYP)
4
1L2
1L1
1L2
1L1
1L3
1L2
1L1 L1
L3
3
"HI-PROCESS AIR TEMP"
OPTIONAL
DISCONNECT
TB1
1M BLOWER CONTACTOR
1LT
G
1SOL 1SOL
4
RIGHT VALVE SHIFT SOLENOID
8
1H2
1H1
2H2
2H1
3H2
3H1
1HTR
2HTR
3HTR
1C
2C
3C
BLOWER
PROCESS
HEATER
LEFT
REGENERATION
HEATER
HEATER
REGENERATION
RIGHT
2 2
2
2
2
2
2
3CR
3CR
5 19
1AH
1AH
2RS
3CR SILENCE BUTTON
AUDIBLE ALARM
5 18
5 5
5
2CR
2LT
R
OPTIONAL AUDIBLE ALARM
2C
3C
1C
1T 1T
115V
L2
TB1
1
1DISC
1L1
1L2
1L3
GROUND
SUB-PANEL
GROUND
GND
2
2
4
TEMPERATURE
CONTROLLER
PROCESS
4
4
TC
TYPE "K" [+]YEL
[-]RED
1
2
3
4
5
5
4
1CR
6
7
4
8
6
9
4
10
2
7 1LT
G
1LT
1C PROCESS HEATER CONTACTOR
"PROCESS HEATER ON"
2
2
2
1L2
1L3
1L1 1L3
1M 1OL
1T1
1T2
1T3
1MTR
1M 1OL
1T1
1T2
1T3
1OL
20
LEGEND:
OPTIONAL COMPONENTS
COMPONENTS LOCATED EXTERNALLY
OF CONTROL ENCLOSURE
1SOL 1SOL
4
LEFT VALVE SHIFT SOLENOID
18 2
2CR
A0547615
Page 20 WDMR and WDFR Series Dehumidifying Dryers