EasyManua.ls Logo

Haier AU96NFTAHA - 10 Fault diagnosing; 1. Inspection method

Haier AU96NFTAHA
131 pages
To Next Page IconTo Next Page
To Next Page IconTo Next Page
To Previous Page IconTo Previous Page
To Previous Page IconTo Previous Page
Loading...
48
(3) Confirmation of cool running
Check
indoor
unit
groups
one
by
one
in
turn.
Start
Set the running mode to "cool". Under unit
closing state, press running button for over 5
seconds to confirm displaying "L".
Once the outdoor unit stops, it must
be restarted after 2 minutes and 30
seconds.
No
No
No
No
No
No
Whether there is cold air blowing out
Confirm the running state of
compressor
Yes
Yes
Yes
Yes
Yes
Yes
Whether the air circulation is good
Confirm the direction of vane
Make all indoor units run simultaneously
(Note 1)
whether the temperature
difference of air inlet and air outlet
is good
Whether the running voltage
is good (380V*10%)
(Note 2)
(Note 3)
Check and confirm power
supply voltage.
Check and confirm power
supply circuit
whether the running
current is *15% of nominal current
value (Running under max.
frequency)
Check indoor and outdoor
temperature
Check the length of refrigerant
pipe and injection rate of refr-
igerant
Check the running frequency
of compressor and running
state of outdoor fan
Whether the compressor has
abnormal sound
whether the
running pressure is normal
Normal
Все каталоги и инструкции здесь: http://splitoff.ru/tehn-doc.html

Table of Contents

Related product manuals