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Electrical Wiring
WIRING DIAGRAM
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
A
4A
FAN
MOTOR
B
5A
NO.1
C
6A
A
8A
FAN
MOTOR
B
9A
NO.2
10A
C
NOTES
1 ALL FIELD WIRING TO BE IN ACCORDANCE WITH NATIONAL ELECTRIC
CODE (N.E.C.) CANADIAN ELECTRIC CODE AND/OR LOCAL STATE AND
CITY CODES. PROVIDE DISCONNECTS FOR ALL POWER SUPPLIES.
2 DRAWING PRACTICES AND SYMBOLS ARE IN ACCORDANCE WITH AIR
CONDITIONING & REFRIGERATION INSTITUTE (ARI)
GRAPHIC ELECTRICAL STANDARDS.
3 NUMBERS ALONG LEFT SIDE OF ELEMENTARY DIAGRAM DESIGNATE
LINE IDENTIFICATION. NUMBERS ALONG RIGHT SIDE ARE LOCATIONS OF
RELAY CONTACTS.
4 COMPONENT TERMINAL MARKINGS ARE INDICATED BY ENCIRCLED
NUMBERS AND/OR LETTERS.
5 NUMBERS ON VERTICAL & HORIZONTAL LINE ARE
CIRCUIT IDENTIFICATION.
6 MOTORS ARE INHERENTLY PROTECTED.
7 THIS UNIT TO BE USED WITH EVAPORATORS OPERATING WITH IN
A TEMPERATURE RANGE OF 32°F TO 53.5°F.
8 BUILT IN THERMAL PROTECTOR CAN BE SKIP OVER THEIR CONNECTION.
18
TTA 150-240 JD00 (DUAL CIRCUIT)
ELEMENTARY DIAGRAM
1
L1
2
L2
3
L3
GROUND
TERMINAL
14 28
FU
1HTR
2HTR
3M-A1
1TH-1
23
13
16
1TH-2
19
1PB
3M-A2
CONNECTION DIAGRAM
20
1
2
3
4
1R
27A
26A
5
6
26
7
1R
8
24A
26A
4A
5A
6A
4
5
6
20
15
1OL
2OL
1M
1
2
3
1B
2B
3B
1C
28
26
28A
23
1A
2A
3A
1
2
3
2TB
POWER SUPPLY
380V./3PH./50HZ.
1M-1
4
1M-2
5
1M-3
6
2M-1
8
2M-2
9
2M-3
10
1TP
1LP
1HP
1TR
24
1
2
2TP
2TR
2LP
2HP
25
1
2
2PB
EXTERNAL CONTROL
21
1
2
3
4
1TP
2R
27
5
6
1HP
7
2R
8
1LP
25A
27A
8A
9A
10A
8
9
10
21
18
2M
1A,1C
2A 3A
2TP
28A 27
2HP
2TR
25
2
1
19
25A
2LP
1TR
24
2
1
16
24A
14,14A
N
23
23
1TB
13
16
16
19
19
BRW
T1
COMPR.
BLK
T2
MOTOR
NO.1
GY
T3
A
NEUTRAL
FAN
MOTOR
B
NO.1
C
BRW
T1
COMPR.
BLK
MOTOR
T2
NO.2
GY
T3
A
FAN
B
MOTOR
NO.2
C
14A
7 1R
8
1OL
PH
14
26
28
15
20
1
5
6
1M
7
2R
8
28A
2OL
27
18
21
2M
1
5
6
3M
15
24
T1
T2
T3
4
6
5
1HTR
COMPR. NO.1
INTERNAL OVERLOAD
18
25
T1
T2
T3
8
10
9
2HTR
COMPR. NO.2
INTERNAL OVERLOAD
LEGEND
FU
FUSE 5 AMP.
1HP,2HP
CONTROL,HIGH PRESS.
(OPEN : 398 PSIG,CLOSE : 313 PSIG)
(HI-AMBIENT OPTION
OPEN : 460 PSIG,CLOSE : 360 PSIG)
1LP,2LP
CONTROL,LOW PRESS.
(OPEN : 27 PSIG,CLOSE : 46 PSIG)
1M,2M
CONTACTOR,COMPRESSOR
1R,2R
RELAY,CONTROL LOCKOUT
1HTR,2HTR
HEATER,CRANKCASE.
1TR
RELAY,TIME DELAY 3 MIN.
2TR
RELAY,TIME DELAY 4.5 MIN.
3M
CONTACTOR,EVAP.BLOWER MOTOR
1PB,2PB
SWITCH PUSH BOTTON
1TH
THERMOSTAT 2 STAGES.
1TB-TERMINAL BLOCK CONTROL CIRCUIT
2TB-TERMINAL BLOCK HIGH VOLTAGE
FACTORY WIRING & DEVICES BY MFR.
FIELD WIRING (OPTION)
A1,A2
AUXILIARY CONTACT(N.O.) OF 3M
1OL,2OL
EXTERNAL OVERLOAD, COMPRESSOR
PH
PHASE PROTECTOR
1TP,2TP
THERMAL PROTECTOR, MOTOR
N
1R-16
1M-1,2,3
2R-18
2M-8,9,10
3M-16,20
TTA-R410A
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