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33
ELECTRICAL SCHEMATIC
Models 2000 and 2500
Sheet 2 of 2
02
A
04
06
08
10
12
14
16
18
20
22
24
26
28
30
32
34
36
38
40
42
44
46
48
50
52
54
56
58
60
62
64
66
B
C
D
E
F
G
H
J
K
L
M
N
P
Q
68
TB2-2
TB2-2
TB10-2
TB10-1
TB2-1
TB2-1
TB2-1
TB2-39
TB2-36
9-PIN RS232
CABLE
TB2-2
TB2-PE
TB2-3
TB2-4
TB2-18
TB2-17
TB2-16
TB2-15
TB2-14
TB2-13
TB2-2
ALARM B
MONITORING
TB2-2
24VAC
ALARM A
COMPRESSOR STOP
COMPRESSOR CONTACTOR
REFRIGERANT HI PRES.
RELAY
FAN CONTACTOR 1
18
17
16
15
14
13
FU22.2
TB2-2
TB2-12
TB2-1
TB2-1
TB2-32
TB2-32
TB2-2
TB2-32
TB2-35
TB2-35
TB2-35
TB2-1
TB2-1
TB2-36
TB2-36
TB2-36
JUMP
** JUMPER FOR SINGLE DRAIN APPLICATION
JUMP
TB2-11
TB2-10
TB2-9
TB2-8
TB2-7
TB2-5
TB2-37
TB2-25
TB2-41
TB2-41
TB2-26
K63X-NO
TB2-38
TB2-38
TB2-26
TB2-19
TB2-26
TB2-26
TB2-26
TB2-26
TB2-26
TB2-25
TB2-25
TB2-25
TB2-25
TB2-25
TB2-37
TB2-19
TB2-5
TB2-11
TB2-10
TB2-23
TB2-22
TB2-21
TB2-9
TB2-7
K62X-NO
TB2-8
TB2-26
23
22
21
COMPRESSOR 2 CONTACTOR
TB2-40
TB2-1
TB10-3
TB10-4
TB2-2
TB2-2
TB2-4
TB2-3
TB2-1
OPTIONAL
CLSC DRAIN
STD DRAIN
TB10-2
TB10-1
TB2-2
EVAPORATOR TEMP SENSOR
REFRIGERANT HI PRES.
-B61
-A55
-A51
PE
IN1
N
L
PE
IN1
OV
N
L
UNLOADING
SOLENOID
-S43
PRES. 1 FAN 1
TB2-31
-S43.1
TEMP. 1 FAN 1
TB2-31
TB2-34
TEMP. 1 FAN 2
-S45.1
TB2-34
PRES. 1 FAN 2
-S45
TB2-36
-S62
NO
COM
NO
COM
OX
LOCAL REMOTE
START/STOP
-S67
-A55
-A51
OV
-B62
DISCHARGE TEMP SENSOR
TB10-3
TB10-4
A1
A2
C
NC
NO
C
NC
NO
J2
DRAIN COMMON
CONTROL BOARD
-A60
DRAIN TEST
-K62
W4
W5
W3 GND
W23
W22
W19
W20
W21
W26
W27
NEUTRAL W2
W1 LINE
W16
W17
W18
W38
-K43
A1
A2
A2
A1
-K45
A1
-K61
A2
W24
-K63
32
31
-K63
-F12
43 44
11
14
W28 HEATER ENERGIZED
W12 COMP. ENERGIZED
9
5
31
32
14
11
44
43
W29
W33 COMMON
COMMON
PHASE
CHECK
DRAIN 2 ALARM
DRAIN 1 ALARM
HEATER ENERGIZED
W11
-K62
W9
-F11
-K62
W8
-K61
W10
W15
W14
W13
W30
W36
W35
W34
W31
W32 LOCAL/REMOTE SELECTION
REMOTE START/STOP
REFRIGERANT LOW PRESSURE
REFRIGERANT HIGH PRESSURE
COMPRESSOR ENERGIZED
W25
A2
A1
-K63
W7
W6
W37
EVAPORATOR OUTLET
SENSOR
EVAPORATOR
OUTLET RTD
Y
Z
B
A
J8
RS-485
J2
ETHERNET
USB
RS-232
SHT#1 64K
SHT#1 62K
J4
FAN CONTACTOR 2