Service manual

Page 24
Page 24
REFRIGERANT METERING DEVICE:
capillary tube
REFRIGERANT CHARGE (R 134 A)
air cooled water cooled
AF 80 310 gr 310 gr
AF 100 420 gr xxxxx
AF 200 420 gr 420 gr
AF 20 420 gr xxxxx
REFRIGERANT CHARGE (R 404 A)
air cooled water cooled
AF 30 660 gr 520 gr
NOTE. Before charging the refrigerant system
always check the type of refrigerant and
quantity as specified on the individual ice
machine dataplate.
The refrigerant charges indicated are relatives
to averages operating conditions.
OPERATING PRESSURES
(With 21°C ambient temperature)
Discharge pressure: AF 80 - 100 - 200 - 20
Air cooled version 8.5 ÷ 10 bar
123 ÷ 145 psig
Water cooled version 9.5 bar
140 psig
Suction pressure: 0.4 ÷ 0.8 bar
6 ÷ 12 psig
Discharge pressure: AF 30
Air cooled version 17 ÷ 18 bar
245 ÷ 260 psig
Water cooled version 17 bar
245 psig
Suction pressure: 2.5 bar
36 psig