Scotsman MAR 78 Service Manual page 5

Page 5
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 hermetic
compressor type U.H. TFH 2480Z providing - 3200 Kcal/hr at -18 ° C Refrigerating capacity.
AIR COOLED MODELS
Kg./24 h
520
500
480
460
440
420
400
380
360
340
32 27
WATER TEMPERATURE
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 78 SPLIT
Set for Fresh water Operation
°C
o
10
21
32
38
°C
21 15 10
115-120 mm
1.1 RPM (thick ice)
4900 Kcal/hr (TD 10 ÷ 15 °C)
15 ÷ 17 Bar on air cooled units
17 Bar on water cooled unit
2.2 Bar on air cooled units
1.8 Bar on water cooled units
34 ± 2 Bar A/C
30 ± 2 Bar W/C
0.2 Bar
0.8 Bar
35 °C
5 °C
1 atm.
5 atm.
5 °C
40 °C
± 10%
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