MATSUSHITA Compressor
MODEL# DD51C78GBU6
Voltage Range . . . . . . . . . 103 Volts to 127 Volts @ 60 Hz
Application . . . . . . . . . . . . Low Back Pressure
Compressor Cooling . . . . Fan Cooling
Rated Performance Data
Capacity . . . . . . . . . . . . . . 604 Btu/h ±7%
E.E.R. . . . . . . . . . . . . . . . . . 4.48 Btu/Wh ±7% 5.23 Btu/Wh ±7%
Current . . . . . . . . . . . . . . . 1.64 Amps
Nominal Motor Data
Motor Input . . . . . . . . . . . . . . .135 Watts
Rated Current . . . . . . . . . . . .
Type . . . . . . . . . . . . . . . . . . . .
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
Manufacturer
Base resistance
@ 77°F(25°C) ±20%
Power Consumption (max)
Operation time
Recovery time (max)
Run Capacitor
†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
Cond. Temp I* Cond. Temp II*
669 Btu/h ±7%
1.56 Amps
128 Watts
1.70 Amps
RSCR, PTC relay
†
PTH490C-AS6R8
Murata Mfg.
6.8
3.5
1.0 to 2.7
seconds
65
seconds
— µF — V
Refrigerant Control . . Capillary Tube
Evaporator
Temp. Range . . . . . . . -31°F to 23°F / -35°C to -5°C
Performance Curves
220
200
180
160
140
120
100
80
60
-40
2.2
2.0
1.8
1.6
1.4
1.2
-40
1,400
1,200
1,000
800
600
400
200
0
-40
9 – Point Data
Condensing Temp.
130°F
120°F
Ohms
Watts
110°F
Panasonic Industrial Company
®
Refrigeration Products Department
Tel: 201 - 392 - 4249
Fax: 201 - 392 - 4315
Single Phase
R-134a
-30
-20
-10
-30
-20
-10
-30
-20
-10
Evaporating Temperature (°F)
110°F
120°F
Evaporating Temp.
Rating
-30°F
Btu/h
259
Watts
87
Amps
1.35
E.E.R.
2.96
Btu/h
304
Watts
90
Amps
1.37
E.E.R.
3.37
Btu/h
338
Watts
92
Amps
1.37
E.E.R.
3.66
115 V
60 Hz
0
10
20
0
10
20
0
10
20
130°F
-10°F
+10°F
604
1,086
135
185
1.64
2.00
4.48
5.89
638
1,099
133
176
1.62
1.93
4.79
6.25
662
1,127
127
164
1.59
1.85
5.20
6.87
Rev#1-5/9