TCL TAC-07CHSA/XA71 Service Manual page 9

6) Defro osting functio on:
During de efrosting, on ce mode ch
buzzer an nd display w will make res
defrosting g finished;
During de efrosting, the e signals of O
Fan spee ed and/or Sw wing should b
Except th he above sig nal process
buzz for r response.
During de efrosting, ele ectrical heati
Defrosting g Enter and
：with jump per JC
Option 1
The cond dition of ente er defrosting:
Condition n 1：As show wn in figure
Definition n:
The follow wing conditio ons a, b and
a. IPT1 s settles for IP PT1＝IPTma
b. t5≥50m min （running g time t5≥50
be less th han t1）
c. IPT＜4 40°C，and l lasts 2min。
Running i into defrostin ng on condit
defrosting g cycle, the d defrosting tim
Condition n 2: When ru unning time i
accumula atively), the i indoor temp
under con ndition 2, de efrosting time
Condition n 3: After the e compresso
less than n 23°C (cold
temperatu ure dropping g when com
and the m machine run s into defros
Air C
anging, eco
sponse imme
On-Off, Tim
be in accord
ing during d
ing (optiona
Exit program m:
: run into de
3
d c all require
ax－ IPT
0min （the co
tion 1, the fir
me should b
is more than
erature is le
e set is 8 mi
or is operatin
air preventi on wind tem
mpressor ope
sting accordi
Conditioner Se rvice Manual
nomic opera ation or temp
ediately, but t the other o
ing, Sleep, F Fan speed a
dance with o operation for
efrosting, no o other signa
l function) st tops compu
frosting onc e any of con
ed to meet:
ompressor ru uns cumulati
rst running ti me of set de
be determine ed and adjus
Figure 3 3
n or equal to 120 min (co
ss than 35°C C for 2 min s
n.
ng for 20min continuous
mperature) w when the fan
erating, not i ncluding the
ing to any on ne condition
perature set tting signals
perations wo on't impleme
and/or Swing g can respon
r Cold Air Pr revention.
als will deal with, only a
lsively.
ndition 1, 2, and/or 3 me
vely） , t5 is re emovable， a
efrosting is F F (8min); afte
sted.
ompressor is s running
sustained. R Running into
ly, the indoo or pipe temp
stops runni ng (including
e compresso or's starting
as below.
received, th he
ent until
nd, but the
voice of
et.
and could
er running a a
defrosting
erature is
g
up course),
8