Manitowoc MULTIPLEX 11M Especificaciones Pagina 47

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Multiplex Company, Inc.
Complete System Overview
00218011 Revision B (KAK) 31 July, 2000
24
Head pressure of domestic refrigerationunits
R-12 R-502 R-22 R-134A R-404A
psig psig psig psig psig
75°F Condenser Ambient
10-100% Ice on Evaporator 100-140 200-260 180-240 110-160 210-280
90°F Condenser Ambient
10-100% Ice on Evaporator 120-170 230-300 210-280 130-180 240-320
Normal Operating Pressures of Domestic
RefrigerationUnits
S03995.pm5
1. On system with expansion valve (pressure limiting) evaporator gets no higher than:
50 psig on R-12
53 psig on R-502
85 psig on R-22
2. Water system head pressure should be manually set (adjustable water control valve) to maintain
105°F water condenser out temperature.
3. Remote Condenser system head pressure will be controlled by Low Ambient Control.
75 psig on R-12, R-134A
150 psig on R-502, R-22, R-404A
Evaporator pressure of domestic refrigerationunits
R-12 R-502 R-22 R-134A R-404A
psig psig psig psig psig
75°F Evaporator, or 80°F Water 75 140 130 75 150
10-100% Ice on Evaporator 9-20 30-50 24-44 6-18 33-55
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