Carrier 69NT40-541-505, Operation And Service Manual

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3–7 T-368
3.3 ELECTRICAL DATA
a. Circuit Breaker
CB-1 Trips at 29 amps
CB-2 (50 amps) Trips at 62.5amps
CB-2 (70 amp) Trips at 87.5amps
b. Compressor Motor Full Load Amps (FLA)
17.6amps @ 460VAC
(with current limiting set at 21 amps)
c. Condenser Fan
Motor
Nominal Supply 380 VAC, Three Phase,
50 Hz
460 VAC, Three Phase,
60 Hz
Full Load Amps .71 amps .72 amps
Horsepower 0.21 hp 0.36 hp
Rotations Per Minute 1450 rpm 1750 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. Evaporator Coil
Heaters
Number of Heaters 6
Rating 750 watts +5/ − 10% each @ 230 VAC
Resistance (cold) 66.8 to 77.2 ohms @ 20°C (68°F)
Type Sheath
e. Evaporator Fan
Motor(s)
380 VAC/50 Hz 460 VAC/60 Hz
Full Load Amps High
Speed 1.6 2.1
Full Load Amps Low Speed 0.6 0.6
Nominal Horsepower High
Speed 0.58 1.0
Nominal Horsepower Low
Speed 0.07 0.12
Rotations Per Minute High
Speed 2850 rpm 3450 rpm
Rotations Per Minute Low
Speed 1425 rpm 1725 rpm
Voltage and Frequency 360 − 460 VAC +/ − 1.25
Hz
400 − 500 VAC +/ − 1.5 Hz
Voltage & Frequency using
power autotransformer 180 − 230 VAC +/ − 1.25Hz 200 − 250 VAC +/ − 1.5 Hz
Bearing Lubrication Factory lubricated, additional grease not required
Rotation EF #1 CW when viewed from shaft end
Rotation EF #2 CCW when viewed from shaft end
f. Fuses
Control Circuit 7.5 amps (F3A, F3B)
Controller/DataCORDER 5 amps (F1 & F2)
g. Vent Positioning
Sensor
Electrical Output 0.5 VDC to 4.5 VDC over 90 degree range
Supply Voltage 5 VDC +/ − 10%
Supply Current 5 mA (typical)
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