11
ELECTRICAL SCHEMATIC
Models 400 & 500
LEGEND
CON1 - COMPRESSOR CONTACTOR
TR1 - TRANSFORMER CONTROL 100VA
MTR1 - COMPRESSOR
MTR2 - FAN MOTOR
MTR3 - FAN MOTOR
1FPS - FAN PRESSURE SWITCH FAN 1 (113-78 PSI)
2FPS - FAN PRESSURE SWITCH FAN 1 (183-124 PSI)
LPCO - LOW PRESSURE CUTOUT SWITCH (22/34 PSI)
HPCO - HIGH PRESSURE CUTOUT SWITCH (281/190 PSI)
TB1 - TERMINAL BLOCK, POWER DISTRIBUTION
TB2 - TERMINAL BLOCK, CONTROL
HTR - CRANKCASE HEATER
1FU - PRIMARY FUSE
2FU - SECONDARY FUSE
DRN1 - DEMAND DRAIN SOLENOID
TC1 - TEMPERATURE SENSOR, THERMISTOR
PDB - POWER DISTRIBUTION BLOCK
F1 - RFI FILTER
2FPS
CAP
MTR3
T7
T6
21
22
1FPS
208
0V
FUSE SIZES TR1:
2FU 24V-6 AMP
1FU 230V-1 AMP
400V-.6 AMP
460/575V-.6 AMP
1FU
1
3
2
1
(0V)
2FU
SUP
TR1
400
230
460
575V
VOLTAGE
LINE
1FU
3
T4
T5
3
3
2
T3
T2
CON1
1
T1
MTR1
HEATER AUX
2
2
HTR
L2
L3
L1
MTR2
CAP
11
12
(24V)
NOTES:
1. WATER-COOLED UNITS: FAN MOTOR(S), FAN CONTACTORS,
AND FAN PRESSURE SWITCH(ES) ARE REMOVED.
2. SEE COMPONENT NAMEPLATE FOR SPECIFIC WIRING INFORMATION.
3. DRYER COMPONENTS ARE 460V SUPPLIED BY A 575V-460V
TRANSFORMER PKG INSTALLED BETWEEN THE CUSTOMER CONNECTION
AND POWER DISTRIBUTION BLOCK. SEE ES03HAN-0084
L1
L2
L3
T1
T2
T3
11
12
COMPRESSOR
SEE NOTE 2
FAN 1
NOTE 1, 2
TB2-F1
FAN 2
NOTE 1, 2
TB2-F2
AIR-COOLED ONLY
10 K
Ω
TC1
COMP ON AUX
HEATER OFF AUX
HPCO
LPCO
DRN1 ALARM
50
D
B
62
60
13
14
21
22
3
4
TB2
15
16
17
18
20
21
19
9
10
11
12
13
14
26
27
28
J2
W33
W32
W31
W21
W20
W19
W18
W17
W16
W14
W15
W13
W11
W9
W10
W5
W8
W4
34
35
15
16
17
18
20
21
19
9
10
11
12
13
14
26
27
28
49
C
A
61
59
(ALARM B OUTPUT, N.O.)
(ALARM B OUTPUT, N.C.)
(ALARM B OUTPUT, COM.)
(ALARM A OUTPUT, N.O.)
(ALARM A OUTPUT, N.C.)
(ALARM A OUTPUT, COM.)
LOCAL/REMOTE
REMOTE STOP/START
(CUSTOMER OPTIONS)
CUSTOMER AUXILIARY CONNECTION
CONTACT RATINGS: 5 AMP 250VAC
ALARM A FAULT STOPS COMPRESSOR
ALARM B FAULT INDICATION ONLY
MATCH TRANSFORMER SUPPLY
TAP TO LINE VOLTAGE
(115V)
X (24VAC)
TB2-X
BRN
BRN
BLU
BLU
N (24VAC)
TB2-N
DRAIN
8
52
48
7
51
47
DRN1 TEST
DRN1 PWR
56
1
2
TB2-7
TB2-8
TB2-4
W
2
2
W
2
3
W
2
6
W
2
7
34
2
1
(LINE)
(LOAD)
F1
41
42
CON1
A1
A2
WEB MONITOR (RS232 PORT)
POWER
INSTRUMENT
PA NE L
INSTRUMENT PANEL SIGNAL
PDB (TB1)
CONNECTION
DISC.
230/3/60
400/3/50
460/3/60
575/3/60 (SEE NOTE 3)
FUSIBLE DISCONNECT SWITCH & FUSES
SUPPLIED BY END USER AND SIZED PER NEC
W1
W3
W2
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