11
ELECTRICAL SCHEMATICS
Models 1000-2000, 575V
53
47
DRN2 PWR
57
51
DRN2 TEST
DRN1 TEST
58
52
54
48
78
34
12
E
H
LEGEND
CON1 - COMPRESSOR CONTACTOR
CON2 - FAN CONTACTOR, MTR2 (FAN)
CON3 - FAN CONTACTOR, MTR3 (FAN)
TR1 - TRANSFORMER CONTROL 100VA
MTR1 - COMPRESSOR
MTR2 - FAN MOTOR
MTR3 - FAN MOTOR
MTR4 - FAN MOTOR (2000 ONLY)
MTR5 - FAN MOTOR (2000 ONLY)
1FPS - FAN PRESSURE SWITCH FAN 1 (230/300 PSI)
2FPS - FAN PRESSURE SWITCH FAN 2 (255/320 PSI)
LPCO - LOW PRESSURE CUTOUT SWITCH (47/64 PSI)
HPCO - HIGH PRESSURE CUTOUT SWITCH (350/450 PSI)
TB1 - TERMINAL BLOCK, POWER DISTRIBUTION
TB2 - TERMINAL BLOCK, CONTROL
HTR - CRANKCASE HEATER
1FU - PRIMARY FUSE
2FU - SECONDARY FUSE
3FU - FAN FUSE
DRN1 - DEMAND DRAIN SOLENOID
DRN2 - DEMAND DRAIN SOLENOID (OIL COALESCING OPTION)
TC1 - TEMPERATURE SENSOR, THERMISTOR
TR2 - TRANSFORMER .75 KVA 1 PHASE
TR3 - TRANSFORMER .75 KVA 1 PHASE
F1 - RFI FILTER
1FTO - FAN1 THERMAL OVERLOAD
2FTO - FAN2 THERMAL OVERLOAD
3FTO - FAN3 THERMAL OVERLOAD (2000 ONLY)
4FTO - FAN4 THERMAL OVERLOAD (2000 ONLY)
208
0V
FUSE SIZES TR1:
2FU 24V-6A 5mm X 20mm GLASS
1FU 230V-1A CLASS CCR
400V-.6A CLASS CCR
460/575V-.6A CLASS CCR
1FU
1
3
2
1
TR1
400
230
460
575V
VOLTAGE
LINE
1FU
3
L2
L3
L1
(0V)
2FU
AIR-COOLED OPTION
X4
X3
X2
X1
H1
H2
H3
H4
V1
U1
U1
W1
MTR2
CON2
V1
MTR4
W1
U1
V1
W1
MTR3
CON3
V1
MTR5
U1
W1
X4
X3
X2
X1
H1
H2
H3
H4
1
2
3
TR3
3
CON1
MTR1
HEATER AUX
HTR
3FU
2
2
3
1
2
T2
T3
T1
1
T4
T5
2
3
T6
T7
1
2
3
T9
T8
F1
SUP
NOTES:
1. WATER-COOLED UNITS: FAN MOTOR(S), FAN CONTACTORS,
FAN PRESSURE SWITCH(ES), AND FAN THERMAL OVERLOADS
ARE REMOVED.
2. SEE FAN NAMEPLATE FOR SPECIFIC WIRING INFORMATION.
3. SCROLL COMPRESSORS REQUIRE PROPER PHASING.
SEE COMPRESSOR DATA PLATE FOR CORRECT WIRING SEQUENCE.
4. WIRES 55 AND 56 ARE JUMPERED TOGETHER ON STANDARD DRAIN
PKG.
COMPRESSOR
SEE NOTE 3
575V-460V AUTO TRANSFORMER PACK
6.5 TOTAL KVA
7.8 FLA @ 480V
6.3 FLA @ 600V
FUSING REQUIRED (3FU):
1000-1750-3 AMP 600V CLASS CCR
2000- 6 AMP 600V CLASS CCR
TR2
FA N1
NOTE 1, 2
FA N3
(2000 ONLY )
FA N2
NOTE 1, 2
FA N4
(2000 ONLY )
MATCH TRANSFORMER SUPPLY
TAP TO LINE VOLTAGE
(24V)
BRN
X (24VAC)
TB2-X
DRN1 PWR
TB2-7 TB2-8
W26
W27
W22
W23
W1
W2
W3
TB2-4
BRN
BLU
BLU
(LINE)
(LOAD)
N (24VAC)
TB2-N
RFI FILTER
COMPRESSOR
FA N1
NOTE 1, 2
FA N2
NOTE 1, 2
DRAIN
OIL COALESCING
OPTION
1FPS
TB2-1
2FPS
F
G
33
41
35
TB2-F2
2FTO
1FTO
4FTO (2000 ONLY)
33
35
43
45
45
45
43
43
44
CON2
42
CON1
CON3
46
60
10 K
Ω
TC1
COMP ON AUX
HEATER OFF AUX
HPCO
LPCO
DRN1 ALARM
DRN2 ALARM
(OPTIONAL)
SEE NOTE 4
62
B
D
50
56
19
A
C
49
55
59
61
34
35
15
16
17
18
20
21
19
9
10
11
12
13
14
26
27
28
26
27
28
12
13
14
9
10
11
16
17
18
20
21
TB2
TC
TC
15
W4
W5
W8
W9
W10
W11
W13
W14
W15
W16
W17
W18
W19
W20
W21
W31
W32
W33
J2
J4
J5
FILTER MONITOR COALESCING (RJ-11)
FILTER MONITOR (RJ-11)
WEB MONITOR (RS232 PORT)
LOCAL/REMOTE
REMOTE STOP/START
(CUSTOMER OPTIONS)
(ALARM B OUTPUT, COM.)
(ALARM B OUTPUT, N.C.)
(ALARM B OUTPUT, N.O.)
(ALARM A OUTPUT, COM.)
(ALARM A OUTPUT, N.C.)
(ALARM A OUTPUT, N.O.)
ALARM A FAULT STOPS COMPRESSOR
ALARM B FAULT INDICATION ONLY
CUSTOMER AUXILARY CONNECTION
CONTACT RATINGS: 5 AMP 250VAC
PDB (TB1)
CONNECTION
DISC.
575/3/60
FUSIBLE DISCONNECT SWITCH & FUSES
SUPPLIED BY END USER AND SIZED PER NEC
INSTRUMENT PANEL SIGNAL
INSTRUMENT
PA NE L
POWER
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