Carrier 69NT40-489-100 Series, Operation And Service Manual

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12 T-305
2.3 ELECTRICAL DATA
a. Circuit Breaker
CB-1 Trips at 29 amps
CB-2 (50 amp) Trips at 62.5 amps
CB-2 (70 amp) Trips at 87.5 amps
b. Compressor
Motor
Full Load Amps (FLA)
17.6 amps @ 460 vac
(with current limiting set at 21 amps)
c. Condenser Fan
Motor
380 vac, Single Phase,
50 hz
460 vac, Single Phase,
60 hz
Full Load Amps 1.3 amps 1.6 amps
Horsepower 0.43 hp 0.75 hp
Rotations Per Minute 1425 rpm 1725 rpm
Voltage and Frequency
360 -- 460 vac
¦
2.5 hz 400 -- 500 vac
¦
2.5 hz
Bearing Lubrication Factory lubricated, additional grease not required.
Rotation Counter-clockwise when viewed from shaft end.
d. Drain Pan Heaters
Number of Heaters 1
Rating 750 watts +5 /--10 % @ 460 vac
Resistance (cold) 285
¦
7.5% ohms @ 20
_
C (68
_
F)
Type Sheath
e. Evaporator Coil
Heaters
Number of Heaters 4
Rating 750 watts +5/--10% each @ 230 vac
Resistance (cold) 66.8 to 77.2 ohms @ 20
_
C (68
_
F)
Type Sheath
f. Evaporator Fan
Motor(s)
380 vac/50 hz 460 vac/60 hz
Full Load Amps
High Speed
1.6 2.0
Full Load Amps
Low Speed
0.8 1.0
Nominal Horsepower
High Speed
0.70 0.84
Nominal Horsepower
Low Speed
0.09 0.11
Rotations Per Minute
High Speed
2850 rpm 3450 rpm
Rotations Per Minute
Low Speed
1425 rpm 1750 rpm
Voltage and Frequency 360 -- 460 vac
±
1.25 hz 400 -- 500 vac
±
1.5 hz
Voltage & Frequency us-
ing power autotransformer
180 -- 230 vac
±
1.25hz 200 -- 250 vac
±
1.5 hz
Bearing Lubrication Factory lubricated, additional grease not required
Rotation
EFM#1 CW when viewed from shaft end
EFM#2
CCW when viewed from shaft end
g. Fuses
Control Circuit 10 amps (F3)
Controller/DataCORDER 5 amps (F1 & F2)
Emergency Defrost 5 amps (FED)
Drain Line Heater 5 amps (FDH)
Humidity Power
Transformer
5 amps (FH)
h. Compressor Crankcase Heater
180 watts @ 460 vac