Manitowoc MULTIPLEX 11M Specifikace stáhnout pdf (Strana 48)

Multiplex Company, Inc.

Component Parts Workbook

00218011 Revision B (KAK) 31 July, 2000

Evaporator pressure of international refrigeration units

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

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24°C Evaporator, or 27°C Water 5.2 9.7 9.0 5.2 10.3

10-100% Ice on Evaporator 0.6-1.4 2.1-3.4 1.7-3.0 0.4-1.2 2.3-3.8

Head pressure of international refrigeration units

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

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24°C Condenser Ambient

10-100% Ice on Evaporator 6.9-9.7 13.8-17.9 12.4-16.5 7.6-11.0 14.5-19.3

32°C Condenser Ambient

10-100% Ice on Evaporator 8.3-11.7 15.9-20.6 14.5-19.3 8.9-12.4 16.5-22.1

Normal Operating Pressures of International

RefrigerationUnits

S04095

1. On system with expansion valve (pressure limiting) evaporator gets no higher than

3.4 bars on R-12

3.7 bars on R-502

5.9 bars on R-22

2. Water system head pressure should be manually set (adjustable water control valve) to maintain

41°C water condenser out temperature.

3. Remote Condenser system head pressure will be controlled by Low Ambient Control

5.2 bars on R-12, R-134A

10.3 bars on R-502, R-22, R-404A

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Manitowoc MULTIPLEX 11M Specifikace Strana 48