Service Manual
Table Of Contents
- Important Safety Information
- I. Construction and Water Refrigeration Circuit Diagrams
- II. Sequence of Operation and Service Diagnosis
- III. Controls and Adjustments
- A. Control Board Layout
- B. LED Lights and Audible Alarm Safeties
- C. Settings and Adjustments
- 1. Default Dip Switch Settings
- 2. Bin Control Shutdown Delay (Infrared Sensor) (S1 dip switch 1, 2, 3)
- 3. Drain Frequency Control (S1 dip switch 4)
- 4. Continuous Dispensing Timer (S1 dip switch 5 & 6)
- 5. Bin Control Selector (S1 dip switch 7)
- 7. Bin Control Shutdown Delay (S1 dip switch 9)
- 8. Audible Alarm Silencer (S1 Dip Switch 10)
- D. Switches
- IV. Refrigeration Circuit and Component Service Information
- V. Maintenance
- VI. Preparing the Appliance for Periods of Non-Use
- VII. Disposal
- VIII. Technical Information
51
VIII. Technical Information
We reserve the right to make changes in specications and design without prior notice.
A. Specication and Performance Data Sheets
Pressure data is recorded at 5 min. into freezing cycle. The data not in bold
should be used for reference only.
1. DCM-271BAH
Specification
A
C SUPPLY VOLTAGE
115/60/1
AMPERAGE
8.5 A [AT 104°F (40°C)/WT 80°F(27°C)]
MINIMUM CIRCUIT AMPACITY
15
MAXIMUM FUSE SIZE
15
ELECTRIC & WATER CONSUMPTION
ELECTRIC W
(
kWH/100 lbs.
)
POTABLE WATER
g
al./24HR
(g
al./100 lbs.
)
SHAPE OF ICE
ICE HARDNESS
A
PPROXIMATE STORAGE CAPACITY
BIN CONTROL SYSTEM
REFRIGERANT CHARGE
Performance Data
A
PPROXIMATE ICE
A
mbient
PRODUCTION PER 24 HR. Tem
p
. °F
(
°C
)
70 (21)
257
(
117
)
255 ( 116 ) 242 ( 110 )
80 (26)
230 ( 104 ) 218 ( 99 ) 207 ( 94 )
90 (32)
197 ( 89 )
196
(
89
)
177 ( 80 )
lbs./day ( kg/day)
100 (38)
168 ( 76 ) 159 ( 72 )
141 ( 64 )
APPROXIMATE ELECTRIC
70 (21)
537
--
542
--
547
--
CONSUMPTION
80 (26)
552
--
557
--
561
--
90 (32)
566
--
571
--
582
--
watts
100 (38)
594
--
605
--
616
--
APPROXIMATE WATER
70 (21)
31
(
117
)
31 ( 116 ) 29 ( 110 )
CONSUMPTION PER 24 HR.
80 (26)
28 ( 104 ) 26 ( 99 ) 25 ( 94 )
(TOTAL)
90 (32)
24 ( 89 )
24
(
89
)
21 ( 80 )
gal. / day (l/day)
100 (38)
20 ( 76 ) 19 ( 72 )
17 ( 64 )
EVAPORATOR OUTLET TEMP.
70 (21)
18
(
(
-8
)
)
18 ( (-8) ) 19 ( (-7) )
°F (°C)
80 (26)
19 ( (-7) ) 19 ( (-7) ) 20 ( (-7) )
90 (32)
20 ( (-7) )
20
(
(
-6
)
)
22 ( (-5) )
100 (38)
24 ( (-4) ) 26 ( (-3) )
28 ( (-2) )
HEAD PRESSURE
70 (21)
233
(
16.4
)
243 ( 17.1 ) 254 ( 17.8 )
80 (26)
264 ( 18.5 ) 274 ( 19.3 ) 284 ( 20.0 )
90 (32)
295 ( 20.7 )
305
(
21.4
)
310 ( 21.8 )
PSIG (kg/cm
2
G)
100 (38)
315 ( 22.1 ) 320 ( 22.5 )
325 ( 22.8 )
SUCTION PRESSURE
70 (21)
39
(
2.7
)
39 ( 2.8 ) 40 ( 2.8 )
PSIG
(
k
g
/cm
2
G
)
80 (26)
40 ( 2.8 ) 40 ( 2.8 ) 40 ( 2.8 )
90 (32)
41 ( 2.9 )
41
(
2.9
)
42 ( 3.0 )
100 (38)
44 ( 3.1 ) 45 ( 3.1 )
46 ( 3.2 )
TOTAL HEAT OF REJECTION 3,300 BTU/h (AT 90°F / WT 70°F)
90/70°F 70/50°F
571 (6.90) 537 (5.02)
24 (12.0) 31 (12.0)
R404A, 0 lb. 14.8 oz. (420g)
8.8 lbs.
Approx. 86%, Ice (32/21 (90/70), Conductivity 200 µs/cm
Cubelet
Mechanical Bin Control
Water Temp. °F (°C)
50 (10) 70 (21) 90 (32)
ENG F-013.0.1196