Fujitsu ARXG45KMLA User Manual

7-4. Indoor unit fan motor over temperature protection
→hen satisfy the following conditions, the protection works.
• After the 90 seconds from the fan operation, detect less than 200 rpm for 10 seconds.
• IPM trip protection works.
• Current overload protection works.
→hen detecting the above condtion, recheck the condition after 6 minutes. →hen count the twice,
the protection works.
• Protection contents
Reduce the static pressure 20 Pa. →hen it does not dissolve even the minimum static pressure
condition, work the following operation.
– Fan motor error displayed when less than 200 rpm for 10 seconds is detected after the 90 sec-
onds from the fan operation.
– Fan stop 40 seconds when IPM trip protection works.
– Fan stop 50 seconds when corrent overload protection works.
7-5. Compressor temperature protection
→hen the compressor temperature sensor detects higher than the trigger condition below, the com-
pressor is stopped. →hen the compressor temperature sensor detects the release condition, the pro-
tection is released.
Trigger condition 108°C
Release condition
80°C
(3 minutes after compressor stop)
7-6. High pressure protection
Trigger condition
Pressure switch: Off (Open: Higher than 4.2 MPa)
Compressor stop
Release condition
Pressure switch: On (Close: Lower than 3.2 MPa)
(3 minutes after compressor stop)
Compressor restart
7-7. 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 Heating
Trigger condition -20°C
Release condition -15°C
7-4. Indoor unit fan motor over temperature protection - (04-28) - 7. Various protections
CONTROL AND FUNCTIONS CONTROL AND FUNCTIONS

Fujitsu ARXG45KMLA Specifications

General

Brand	Fujitsu
Model	ARXG45KMLA
Category	Air Conditioner
Language	English