Operational Data; Trouble Shooting Chart - Hussmann DCCG-8 Installation And Service Instructions Manual

Replace spade connectors and reinstall
dial plate and two screws which hold
control in place.

Operational Data

The following operational data is based on lab tests, and may vary under field
conditions. The conditions shown at the non-recommended high 85°F ambient are shown
for information only and a possible reason for jobsite problems. Note that during August,
2002, the DCC/SG-8 cases changed from semi-hermetic (SH) to hermetic (H) and similarly,
during December, 2003, the DCC/SG-12 cases changed from the semi-hermetic (SH) to
hermetic (H) style compressors which operate under different pressures.
Model Compressor
DCC/SG-4 NE2134GK
HATB-005E-
DCC/SG-8 &-D
DCC/SG-8 &-D T2155GK
KAGB-005E-
DCC/SG-12 &-
D
DCC/SG-12 &-
D J2212GK
KAAB-007E-
DCC/SG-16 &-
CAA
D
Load Line Temperature
TROUBLE
Compressor will not start,
no noise
Compressor will not start
cuts out on overload
Compressor
Type
H
CAA SH
H
IAA SH
H
SH

TROUBLE SHOOTING CHART

PROBABLE CAUSE
1. Power disconnected
2. Blown fuse or breaker
3. Defective or broken
wiring
4. Defective overload
5. Defective temperature
1. Low voltage
2. Defective compressor
3. Defective relay
75°F
Suction Head
Pressure Pressure
9 230-240
6 230-240
9 230-240
6 235-245
10 230-240
6 270-280
0 to +10°F
1. Check service cord for
proper connection
2. Replace fuse or reset
breaker
3. Repair or replace
4. Replace
5. Replace control
1. Check voltage at cabinet.
Should be within 5% of
rating
2. Replace
3. Replace
8
85°F
Suction Head
Pressure Pressure
10 260-270
7 245-255
10 235-245
7 250-260
11.5 260-270
7 280-290
5 to +12°F
SOLUTION