Daikin FUY71FJV1 User Manual

Troubleshooting by Remote Controller Si20-701_B
477
Check for Clogged Points
Temperature differences must occur before or after the
clogged points!
Check points
Check
factor
Causes Remedies
(1) Around
expansion
mechanism
Temperature
difference
· Dust
· Choked moisture
· Reduced effective pipe
diameter due to adherent
contamination, etc.
Replace the electronic
expansion valve.
(2) Accumulator Frosting · Choked moisture Blow a nitrogen gas, and
then replace the
refrigerant.
(3) Distributor Temperature
difference
· Dust
· Choked moisture
· Reduced effective pipe
diameter due to adherent
contamination, etc.
Replace the heat
exchanger or distributor.
(4) Field
piping
Temperature
difference
· Collapsed pipe Replace the pipe.
(5) Stop
valve
Temperature
difference
· The stop valve is not fully
open.
Open the stop valve fully.
CHECK 11
ACC
Indoor Unit
(3)
(4)
(2)
(5)
(1)
(3)
Outdoor Unit
COMP.

Daikin FUY71FJV1 Specifications

General

Brand	Daikin
Model	FUY71FJV1
Category	Air Conditioner
Language	English