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Fujitsu ASUH18LMAS User Manual

Fujitsu ASUH18LMAS
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8-6. Low outdoor temperature protection
→hen the outdoor temperature sensor detects lower than the trigger condition below, the compres-
sor is stopped.
Operation mode Cooling/Dry
Trigger condition -4°F (-20°C)
Release condition 5°F (-15°C)
8-7. High temperature and high pressure release control
The compressor is controlled as follows.
Cooling mode
Indoor unit heat exchanger
temperature rises
Indoor unit heat exchanger
temperature drops
Stable zone
AB
BC
CD
Zone A
Zone B
Zone C
Zone D
AB: 149.0°F (65°C)
BC: 143.6°F (62°C)
CD: 140.0°F (60°C)
Zone Operation
Zone A Compressor is stopped.
Zone B The compressor frequency is decreased. -7 rps/120 sec.
Zone C
The protection is released and the operation is returned to normal mode.
Zone D
Heating mode
Indoor unit heat exchanger
temperature rises
Indoor unit heat exchanger
temperature drops
Stable zone
AB
BC
CD
DE
Zone A
Zone B
Zone C
Zone D
Zone E
AB: 145.4°F (63°C)
BC: 131.0°F (55°C)
CD: 127.4°F (53°C)
DE: 122.0°F (50°C)
Zone Operation
Zone A Compressor is stopped.
Zone B
The compressor frequency is decreased.
-15 rps/120 sec.
Zone C -2 rps/120 sec.
Zone D
The protection is released and the operation is returned to normal mode.
Zone E
8-6. Low outdoor temperature protection - (04-33) - 8. Various protections
CONTROL AND
FUNCTIONS
CONTROL AND
FUNCTIONS

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Fujitsu ASUH18LMAS Specifications

General IconGeneral
BrandFujitsu
ModelASUH18LMAS
CategoryAir Conditioner
LanguageEnglish

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