Manitowoc MULTIPLEX 11M Especificações descarregar pdf (Página 161)

Part Number STH12 9/10 161

Operating Pressures

NORMAL OPERATING PRESSURES OF

REFRIGERATION UNITS

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

R-12 R-502 R-22 R-134A R-404A

Head Pressure 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

R-12 R-502 R-22 R-134A R-404A

Evaporator Pressure 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 9-20 33-55

1 2 ... 156 157 158 159 160 161 162 163 164 165 166 ... 235 236

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Manitowoc MULTIPLEX 11M Especificações Página 161