Panasonic DD51C78GBU6

Rated Performance Data
Cond. Temp I* Cond. Temp II*
Capacity . . . . . . . . . . . . . . 604 Btu/h ±7% 669 Btu/h ±7%
E.E.R. . . . . . . . . . . . . . . . . . 4.48 Btu/Wh ±7% 5.23 Btu/Wh ±7%
Current . . . . . . . . . . . . . . . 1.64 Amps 1.56 Amps
Nominal Motor Data
Motor Input . . . . . . . . . . . . . . .135 Watts 128 Watts
Rated Current . . . . . . . . . . . . 1.70 Amps
Type . . . . . . . . . . . . . . . . . . . . RSCR, PTC relay
Locked Rotor . . . . . . . . . . 9.7 Amps
Start Current . . . . . . . . . . 17.4 Amps
Coil Resistances Run . . . . 5.47 Ohms
@ 68°F (20°C) Start . . . 5.28 Ohms
*Test Conditions for Performance Specifications
Test Oil . . . . . . . . . . . . . . . . ISO VG 10
Shell Temp . . . . . . . . . . . . . . 170.0°F / 76.0°C
Condensing Temp . . . . . . . . . (I) 130.0°F / 54.4°C
. . . . . . . . . (II) 105.0°F / 40.6°C
Evaporating Temp . . . . . . . . .-10.0°F / -23.3°C
Ambient Temp . . . . . . . . . . . . 90.0°F / 32.2°C
Gas Superheat . . . . . . . . . . . 90.0°F / 32.2°C
Liquid Sub-Cooling . . . . . . . . 90.0°F / 32.2°C
Electrical Accessories
†
Overload Protector
Nominal Operating Characteristics
Model Name 4TM319MFBYY
Manufacturer Texas Instruments
Temperature To . . . . . . . . . . . Open: 239°F ± 9°F / 115°C ± 5°C
Close: 142°F ± 16°F / 61°C ± 9°C
Trip Current . . . . . . . . . . . . . . @158°F (70°C) 2.70 Amps ± 7.5%
@77°F (25°C) 12.0 Amps @ 18 sec. max.
P.T.C. Starting Device
Nominal Operating Characteristics
Model Name PTH490C-AS6R8
Manufacturer Murata Mfg.
Base resistance
@ 77°F(25°C) ±20% 6.8 Ohms
Power Consumption (max) 3.5 Watts
Operation time 1.0 to 2.7 seconds
Recovery time (max) 65 seconds
Run Capacitor — µF — V
†Although these accessories are listed by UL/CSA for use with this compressor,
Matsushita assumes no responsibility whatsoever for these or any other components
sourced by the refrigeration system manufacturer from third parties.
Panasonic Industrial Company
Refrigeration Products Department
Tel: 201 - 392 - 4249
Fax: 201 - 392 - 4315 Rev#1-5/9
Evaporating Temp.
Condensing Temp. Rating -30°F -10°F +10°F
130°F Btu/h 259 604 1,086
Watts 87 135 185
Amps 1.35 1.64 2.00
E.E.R. 2.96 4.48 5.89
120°F Btu/h 304 638 1,099
Watts 90 133 176
Amps 1.37 1.62 1.93
E.E.R. 3.37 4.79 6.25
110°F Btu/h 338 662 1,127
Watts 92 127 164
Amps 1.37 1.59 1.85
E.E.R. 3.66 5.20 6.87
MATSUSHITA Compressor Single Phase 115V
MODEL# DD51C78GBU6 R-134a 60
Hz
Performance Curves
Voltage Range . . . . . . . . . 103 Volts to 127 Volts @ 60 Hz
Application . . . . . . . . . . . . Low Back Pressure
Compressor Cooling . . . . Fan Cooling
Refrigerant Control . . Capillary Tube
Evaporator
Temp. Range . . . . . . . -31°F to 23°F / -35°C to -5°C
9 – Point Data
P
a
na
s
o
n
ic
®
1.2
1.4
1.6
1.8
2.0
2.2
-40 -30 -20 -10 0 10 20
Current (A)
60
80
100
120
140
160
180
200
220
-40 -30 -20 -10 0 10 20
Input Power (W)
0
200
400
600
800
1,000
1,200
1,400
-40 -30 -20 -10 0 10 20
Evaporating Temperature (°F)
Capacity (BTU/H)
110°F 120°F 130°F

Panasonic DD51C78GBU6 Specifications

General

Brand	Panasonic
Model	DD51C78GBU6
Category	Air Compressor
Language	English

Summary

Rated Performance Data

Key Performance Metrics

Details capacity, E.E.R., and current draw under specified conditions.

Nominal Motor and Starting Data

Motor Input and Type

Details motor input power, rated current, and starting type (RSCR, PTC relay).

Performance Test Conditions

Environmental and Fluid Parameters

Specifies test conditions: oil type, shell, condensing, evaporating, ambient temps, superheat, sub-cooling.

Electrical Accessories

Overload Protector

Information on the overload protector, including model, manufacturer, and trip characteristics.

PTC Starting Device

Details of the PTC starting device, including model, manufacturer, and operating characteristics.

Run Capacitor

Specification for the run capacitor.

9-Point Performance Analysis

Performance Curves

Graphical representation of compressor performance across varying temperatures and power inputs.

Tabulated Performance Data

Detailed performance metrics (Btu/h, Watts, Amps, E.E.R.) at nine specific operating points.

Compressor Physical Specifications

Detailed Dimensions

Detailed physical dimensions of the compressor unit, including tube sizes.

Safety and General Data

Certifications and Approvals

Lists U.L. and C.S.A. file numbers for safety certifications.

Operating Data Summary

Provides general data like oil charge, net weight, approved oils, and impurities.