Scotsman MAR 78 Service Manual page 9

Page 9
ICE MAKING CAPACITY
NOTE. The production diagrams herebelow represented can be used as reference, since the data
indicated have been obtained with a air/water cooled condensing unit equipped with a semihermetic
compressor type DORIN K1000 CS providing - 9700 Kcal/hr at -30 ° C Refrigerating capacity.
AIR COOLED UNITS
Kg.
2600
2400
2200
2000
1800
1600
1400
32 27
38
WATER TEMPERATURE
Thiner scale ice
Thicker scale ice
IMPORTANT OPERATING REQUIREMENTS:
WATER LEVEL IN DRUM RESERVOIR
WITH WATER PUMP / SPRAY BAR
DRUM ROTATING SPEED
CONDENSING CAPACITY
HEAD PRESSURE SETTING
LOW PRESSURE SETTING
HI-PRESSURE CONTROL SETTING
LO-PRESSURE CONTROL SETTING
WATER PRESSURE CONTROL SETTING
MAX. WATER TEMPERATURE
MIN. WATER TEMPERATURE
MIN. WATER PRESSURE
MAX. WATER PRESSURE
MIN. AMBIENT TEMPERATURE
MAX. AMBIENT TEMPERATURE
MAX. VOLTAGE VARIATION
MAR 308 SPLIT
Set for Fresh water Operation
°C
10
21
32
10
38
21
32
38
°C
21 15 10 5
WATER COOLED UNITS
Kg.
2800
2600
2400
2200
2000
1800
1600
32 27 21
38
WATER TEMPERATURE
90 mm
1.6 RPM (thick ice - air cooled)
1.8 RPM (thick ice - water cooled)
2.9 RPM (thin ice)
16200 Kcal/hr (TD 10 ÷ 15 °C)
15 Bar on air cooled units
14 Bar on water cooled unit
1 Bar on air cooled units
0.75 Bar on water cooled unit
34 ± 2 A/C Bar
30 ± 2 W/C Bar
0.2 Bar
0.8 Bar
35 °C
5 °C
1 atm.
5 atm.
5 °C
40 °C
± 10%
Page 9
°C
o
°C
15 10 5