Page 1
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TORQUE
TORQUE
CURRENTS
NEMA
POWER FACTOR
EFFICIENCY
TORQUE
ISSUED
MAX
TYPE
OUTPUT
HP KW
50 37.3
8/15/2014
AEHH8N
POLE
6
PERFORMANCE DATA
3-PHASE INDUCTION MOTOR
FRAME
SIZE
365T
VARIABLE TORQUE
VOLTAGE
230/460HZ60
VARIABLE FREQUENCY DRIVE SERVICE
NAMEPLATE INFORMATION
RATED
AMBIENT
40oC
INS.
CLASS
F
OHMS/PHASE EQUIVALENT WYE CIRCUIT
(AT RATED OPERATING TEMPERATURE 25
NEMA
DESIGN
B
ENCLOSURE
CATALOG#
TIME
RATING
CONT.
TEFC
EP0506R
SERVICE
FACTOR
1.15
o
C)
HZ
3~60
HZ
6~60
HP
CONSTANT TORQUE
HP
5~50 60~90222.5
RPM
60~12000.0063~50
RPM
120~1200 50 1200~1800 222.5~148.3
0.551~222.5
TYPICAL PERFORMANCE
FULL
LOAD
RPM
1180
AT
208
VOLT
FULL LOAD
MIN.% NOM.%
93 94.1 94.5 93.6 86 83 75.5
NO LOAD FULL LOAD
AT
230
VOLT
AT
460
VOLT
3/4 LOAD%1/2 LOAD
AT
208
VOLT
AT
230
VOLT
36.20 41.80 20.9 127.83 115.60
(lb-ft)
R1 R2 X1
0.0502 0.1436 0.3901 0.6604
CONSTANT HORSEPOWER
(lb-ft)
%
AT
460
VOLT
HZ HP RPM
FULL LOAD%3/4 LOAD%1/2 LOAD
LOCKED ROTOR
AT
208
VOLT
AT
230
VOLT
57.80 656.6 726.0 363
AT
460
VOLT
%
NEMA
KVA
CODE
LETTER
G
X2
X
12.317
(lb-ft)
SOUND
PRESSURE
LEVEL @ 3 FT
Db(A)
75
SAFE STALL
TIME IN
SECONDS
COLD HOT
29 20
m
FULL
LOAD
(lb-ft)
222.50 225 170 240
APPROVED:
TORQUE
LOCKED
ROTOR
%FLT
PULL
UP
%FLT
BREAK
DOWN
%FLT
M. PRATER
INERTIA
ROTOR
WR
(lb-ft2)
LOAD
2
WK
(lb-ft2)
21.39 620
DRAWING NO.
ALLOWABLE
2
ACCEL TIME (DOL)
NEMA
LOAD
WK
Sec
2
WK
(lb-ft2)
2
1385
31057EP0506R
MAX
ALLOWABLE
WK
Sec
2
11.445.22
ALLOWABLE
STARTS
PER HOUR
COLD
2
REVISION:
HOT
1
1
Page 3
DATE: CATALOG NO.:
June 22, 2005 EP0506R
CONNECTION DIAGRAM
SCHEMATIC - Δ / Y CONNECTION
ACROSS THE LINE CONNECTION
LINE
230 VOLT CONNECTION
460 VOLT CONNECTION
LINE
WYE START-DELTA RUN CONNECTION
LINE LINE LINE LINE
230 VOLT START 230 VOLT RUN 460 VOLT START 460 VOLT RUN
DWG NO.
DAC-1565-4
Page 4
INSTALLATION AND
MAINTENANCE INSTRUCTIONS
FOR THREE PHASE
INDUCTION MOTORS
Frames 143T - 449TZ
Page 5
RECEIVING
1. Check nameplate data.
2. Check whether any damage has occurred during transportation.
3. After removal of shaft clamp, turn shaft by hand to check that it turns freely.
4. If motoris to be reshipped (alone or installed to another piece of equipment) the shaft must again
be clamped to prevent axial movement.
Note: Remove the bearing clamp before turning the shaft on 284T-449TZ frame motors.
WARNING
THE FOLLOWING SAFETY PRECAUTIONS MUST BE OBSERVED:
1. Electric rotating machinery and high voltage can cause serious or fatal injury if improperly
installed, operated or maintained. Responsible personnel should be familiarized with
NEMA MG-1; Safety Standards for Construction and Guide Selection. Installation and Use of
Electric Motors and Generators; National Electric Code and all local safety requirements.
2. When servicing, all powersources to the motor and to the accessorydevices should be
de-energized and disconnected and all rotating parts should be at standstill.
3. Lifting means, when supplied, are intendedfor liftingthe motor only. When two lifting
devices are supplied with the motor a dual chain must be used.
4. Suitable protection must be used when working near machinery with high noise levels.
5. Safeguard or protective devices must not be by-passed or rendered inoperative.
6. The frame of this machine must be grounded in accordance with the National Electric Code and
applicable local codes.
7. A suitable enclosure should be providedto prevent access to the motor by other than
authorized personnel. Extra caution should be observed around motors that are
automatically or have automatic re-setting relays as they may restart unexpectedly.
8. Shaft key must be fully captive or removed before motor is started.
9. Provide proper safeguards for personnel against possible failure of motor-mounted brake,
particularly on applications involving overhauling loads.
10.Explosion proof motors are constructed to comply with the label service procedure manual, repair
of these motors must be made by TECO-Westinghouse Motor Company or U/L listed service
center in order to maintain U/L listing.
LOCATION
1. Drip-proof motorsareintendedfor use whereatmosphereis relativelyclean, dry, well
ventilated and non-corrosive.
2. Totally enclosedmotors may be installed where dirt,moisture, or dustare present and in outdoor
locations.
3. Explosion-proof motors are built for use in hazardous locations as indicated by
Underwriters’ label on the motor.
4. Chemicaldutyenclosedmotors are designedfor installationin high corrosionor excessive
moisture locations.
Note: in all cases, no surrounding structure should obstruct normal flow or
ventilating air through or over the motor.
Page 6
MOUNTING
2/82537
1/26090
5/8
120
180
1. Mount motor securely on a firm, flat base. All ball bearing normal thrust motors up to and
including 256T frame size may be side-wall or ceiling mounted; all others check nearest
TECO-Westinghouse office for mounting recommendations.
2. Align motor accurately, using a flexiblecouplingif possible. For drive recommendations,
consult with drive or equipment manufacturer, or TECO-Westinghouse.
3. Mounting bolts must be carefullytightened to prevent changes in alignment and possible
damageto the equipment. The recommendedtightening torque’s for medium carbon steel bolts,
identified by three radial lines at 120 degrees on the head, are:
Bolt Size
Recommended Torque (Ft-lb.)
Minimum Maximum
3/4 210 320
4. V-belts Sheave Pitch Diametersshouldnot be less than those shownin Table 1 (NEMA
recommended values)
5. Tighten belts only enough to prevent slippage. Belt speed should not exceed 5000 ft. per
min.
TABLE 1. V-Belt Sheave Pitch Diameters (MG1-14.42)
V-Belt Sheave
Conventional
A, B, C, D AND E
Minimum
Horsepower at
Frame
Number 3600 1800 1200 900
143T 1.5 1 .75 .5 2.2 4.25 2.2 2.25
145T 2-3 1.5-2 1 .75 2.4 4.25 2.4 2.25
182T 3 3 1.5 1 2.4 5.25 2.4 2.75
182T 5 ... ... ... 2.6 5.25 2.4 2.75
184T ... ... 2 1.5 2.4 5.25 2.4 2.75
184T 5 ... ... ... 2.6 5.25 2.4 2.75
184T 7.5 5 ... ... 3.0 5.25 3.0 2.75
213T 7.5-10 7.5 3 2 3.0 6.5 3.0 3.375
215T 10 ... 5 3 3.0 6.5 3.0 3.375
215T 15 10 ... ... 3.8 6.5 3.8 3.375
254T 15 ... 7.5 5 3.8 7.75 3.8 4
254T 20 15 ... ... 4.4 7.75 4.4 4
256T 20-25 ... 10 7.5 4.4 7.75 4.4 4
256T ... 20 ... ... 4.6 7.75 4.4 4
284T ... ... 15 10 4.6 9 4.4 4.625
284T ... 25 ... ... 5.0 9 4.4 4.625
286T ... 30 20 15 5.4 9 5.2 4.625
Synchronous Speed, RPM
Pitch
Diameter
Inches
*Maximum
Width
Inches
Minimum
Outside
Diameter
Inches
Narrow
3V, 5V, AND 8V
**Maximum
Width
Inches
Page 7
TABLE 1. V-Belt Sheave Pitch Diameters (MG1-14.42)
V-Belt Sheave
Conventional
A, B, C, D AND E
Minimum
Horsepower at
Frame
Number 3600 1800 1200 900
324T ... 40 25 20 6.0 10.25 6.0 5.25
326T ... 50 30 25 6.8 10.25 6.8 5.25
364T ... ... 40 30 6.8 11.5 6.8 5
364T ... 60 ... ... 7.4 11.5 7.4 5.785
365T ... ... 50 40 8.2 11.5 8.2 5.785
365T ... 75 ... ... 9.0 11.5 8.6 5.785
404T ... ... 60 ... 9.0 14.25 8.0 7.25
404T ... ... ... 50 9.0 14.25 8.4 7.25
404T ... 100 ... ... 10.0 14.25 8.6 7.25
405T ... ... 75 60 10.0 14.25 10.0 7.25
405T ... 100 ... ... 10.0 14.25 8.6 7.25
405T ... 125 ... ... 11.5 14.25 10.5 7.25
444T ... ... 100 ... 11.0 16.75 10.0 8.5
444T ... ... ... 75 10.5 16.75 9.5 8.5
444T ... 125 ... ... 11.0 16.75 9.5 8.5
444T ... 150 ... ... ... 16.75 10.5 8.5
445T ... ... 125 ... 12.5 16.75 12.0 8.5
445T ... ... ... 100 12.5 16.75 12.0 8.5
445T ... 150 ... ... ... 16.75 10.5 8.5
Synchronous Speed, RPM
Pitch
Diameter
Inches
*Maximum
Width
Inches
Minimum
Outside
Diameter
Inches
Narrow
3V, 5V, AND 8V
**Maximum
*Max. Sheave width = 2(N-W) - .25
**Max Sheave width = N-W
***Sheave ratios grater than 5:1 and center-to-center distance less than the diameter of the
large sheave should be referred to TECO-Westinghouse.
Width
Inches
POWER SUPPLY & CONNECTIONS
1. Wiring of motor and control, overload protection and grounding should be in accordance with
National Electrical Code and all local safety requirements.
2. Nameplatevoltage and frequency should agree with power supply. Motor will operate
satisfactorilyon line voltage within ±10% of nameplate voltage; or frequency with ±5% and
with a combined variation not to exceed ±10%. 230-volt motors can be used on 208-volt
networksystems, but with slightly modified performance characteristics as shown on the
nameplate.
3. Dual voltage and single voltage motors can be connected for the desired voltage by
following connection diagram shown on the nameplate or inside of the conduit box.
4. All ExplosionProof motorshaveTemperatureLimiting Devices in the motorenclosure to
preventexcessive external surface temperature of the motor in accordance with U/L
standards. Terminals of thermal protectors (P1 & P2) should be connected to the motor
control equipment, according to the connection diagram inside of the conduit box.
5. Standard connection diagram for three phase, not thermally protected, dual rotation motors
are shown in diagrams A through E. (Note: To change rotation, Interchange any two line
leads)
Page 8
Page 9
Page 10
*Important: For Part Winding Start, M2 contactor should be closed within two (2) seconds
after M1 contactor is closed.
Only 4 pole and above (e.g., 6P, 8P...) motors are satisfactory for Part Winding Start
at low voltage.
START UP
1. Disconnect load and start motor. Check direction of rotation. If rotation must be changed,
ALLOW THE MOTOR TO STOP COMPLETLEY. Interchange any two leads of a three-phase
motor.
2. Connect load. The motor should start quickly and run smoothly. If no, shut power off at once.
Recheck the assembly including all connections before restarting.
3. If excessivevibration is noted, checkfor loose mountingbolts too flexible motor support
structure or transmitted vibration from adjacent machinery. Periodic vibration checks should
be made; foundations often settle.
4. Operate under load for short period of time and check operating current against nameplate.
TESTING
If the motor has been in storagefor an extensive periodor has been subjectedto adverse moisture
conditions,it is bestto checkthe insulation resistanceof the statorwindingwitha megometer.
Depending on the length and conditions of storage it may be necessaryto regrease or change
rusted bearings.
If the resistanceis lowerthan one megohm the windings should be dried in one of the following two
ways:
1. Bakein oven at temperatures not exceeding 194°F untilinsulationresistance becomes
constant.
2. With rotorlocked, apply low voltage and gradually increase the current through windings until
temperature measured with a thermometerreaches 194°F. Do not exceed this temperature.
Page 11
MAINTENANCE
1 Thru 30 Hp, 1800 rpm and below
7 years
3 years
180 days
1 Thru 20 Hp, 3600 rpm
5 years
2 years
90 days
INSPECTION
Inspect motor at regular intervals. Keep motor clean and ventilation openings clear.
LUBRICATION
1. Frame 143T-256T: Double shieldedand pre-lubricated ball-bearingmotors without grease
fittings and don’t need re-lubrication, except on MAX-E1®and MAX-E2®products which
have re-greasable features.
2. Frames 280TS, 320-449TZ(TS): Motors having grease fittings and grease discharge
devices at brackets. Motors are shipped with grease for initial running. It is necessary to
re-lubricate anti-friction bearing motors periodically, depending on size and type of service. See
Table 2 to provide maximum bearing life. Excessive or too frequent lubrication may damage
the motor.
TABLE 2
Horsepower
40 Thru 75 Hp, 1800 rpm and below 210 days 70 days 30 days
100 Thru 150 Hp, 1800 rpm and below 90 days 30 days 15 days
25 Thru 75 Hp, 3600 rpm 180 days 60 days 30 days
100 Thru 150 Hp, 3600 rpm 90 days 30 days 15 days
Note:
A. Standard conditions: 8 hours operation per day, normal or light loading, clear and 40°C
ambient conditions.
B. Severe conditions: 24-hour operation per day or light shock loading, vibration or in dirty or
dusty conditions.
C. Extreme conditions: With heavy shock loading or vibration or dusty conditions.
D. For double shielded bearings, abovedata(lubricationfrequency) means that the
bearing must be replaced.
3. Be sure fittings are clean and free from dirt. Using a low-pressure grease gun, pump in the
recommended grease until new grease appears at grease discharge hole.
4. Use the POLYUREA grease unless special grease is specified on the nameplate.
5. If re-lubrication is to be performed with the motor running, stay clear of rotating parts. After
re-greasing, allow the motor to run for ten to thirty minutes.
Standard
Conditions
Severe
Conditions
Extreme
Conditions
Page 12
RENEWAL PARTS
1. Use only genuine TECO-Westinghouse renewal parts or as recommended by TECOWestinghouse Motor Company.
2. Whenyouorder renewal parts please specifycomplete information to TECO-Westinghouse
office/agent such as type, frame no., poles, horsepower, voltage, series no., quantity, etc.
FOR FURTHER INFORMATION PLEASE CONTACT
TECO-WESTINGHOUSE MOTOR COMPANY
Round Rock, TX
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