17
ELECTRICAL SCHEMATIC
Models 1750, 2000 and 2500
Sheet 2 of 2
TB2-2
FU22.2
-S62
-K61
2
36
36
FAN CONTACTOR 1
SHT#1 26G
REFRIGERANT HI PRES.
RELAY, SHT#2 42C
SHT#1 60J
SHT#1 58J
24VAC
TB2-2
1
TB2-2
FAN CONTACTOR 2
SHT#1 36G
-K43
TB2-1
-K45
TB2-1
-S43
32
2
PRES. 1 FAN 1
-S45
35
2
PRES. 1 FAN 2
TB2-31
-S43.1
TEMP. 1 FAN 1
-S45.1
TEMP. 1 FAN 2
TB2-32
TB2-34
TB2-35
W16
W32
W31
W1 LINE
NEUTRAL W2
W27
W26
3
4
L
N
OV
IN1
PE
-A51
-A55
13
21
22
23
W30
W13
W14
5
7
-A51
-A55
26
W15
26
W10
8
TB2-8
-K61
W8
-K62
-F11
K62X-NO
26
W9
-K62
19
TB2-7
26
W11
9
TB2-9
26
-S67
W3 GND
W5
W4
-B61
10
11
25
25
REFRIGERANT HI PRES.
EVAPORATOR TEMP SENSOR
-K62
COMPRESSOR CONTACTOR
SHT#1 14G,48D, SHT#2 40C,40D
COMPRESSOR ENERGIZED
HEATER ENERGIZED
DRAIN 1 ALARM
DRAIN 2 ALARM
REFRIGERANT HIGH PRESSURE
REFRIGERANT LOW PRESSURE
REMOTE
LOCAL/REMOTE
DRAIN TEST
PHASE
ALARM A
COMPRESSOR STOP
EMM II
CHECK
ALARM B
MONITORING
TB2-2
DRAIN COMMON
COMMON
TB2-26
TB2-21
TB2-22
TB2-23
TB2-10
TB2-11
TB2-13
SHT#1 16D
START/STOP
LOCAL REMOTE
** JUMPER FOR SINGLE DRAIN APPLICATION
2
1
TB2-1
PE
TB2-PE
TB2-2
TB2-5
TB2-19
TB2-4
TB2-3
TB10-1
TB2-PE
TB10-2
J2
9-PIN RS232
CABLE
STD DRAIN
CLSC DRAIN
OPTIONAL
26
NO
37
TB2-37
TB2-39
W33 COMMON
TB2-25
W29
25
25
W22
W23
W34
W35
W36
SELECTION
START/STOP
14
TB2-14
15
TB2-15
W17
NC
W18
C
W19
16
TB2-16
NO
17
TB2-17
18
TB2-18
W20
NC
W21
C
TB2-1
TB2-1
TB2-1
4
5
SEPERATE
CONDUIT
RUN IN
ISOLATE
RED
BLK
L
N
OV
IN1
PE
-A55
TB2-9A
TS
TB2-39
TB2-1
5
6
2
3
EVAPORATOR OUTLET
TEMP SENSOR
TS
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
68
B
C
D
E
F
G
H
J
K
L
M
N
P
Q
7
9
