10
NO
CONTROL FUNCTION CONTROL OBJECTS
CONTENTS
REM ARK
6
D e term in atio n
D efrost
1 ) N e cessa ry c ondition of de term in atio n d efrost.
A ccum u lated com presso r on tim e (6 .8.10 hou rs)
C om presso r operation ra tio (ev ery 2 h ours)
T otal tim e (co m pressor o n tim e + co m pressor o ff
tim e) is 60 hou rs
D e frost-sens or e2. D escription
2 ) D e scriptio n
If a ccum u late d co m pressor o n tim e is m o re tha n
6 or 8 ho ur and com pre ssor op era tion ratio is
m ore th an 80% , then sta rt de frost m ode .
If accu m ula ted com p re ssor on tim e is m ore than
1 0 h ours, the n start d efrost m od e.
If the to tal tim e pa ss thro ugh 60 ho urs , then
s tart d efrost m od e.
If the de fro st-senso r is o ut of ord er an d
a ccum u late d c om presso r o n start d efrost m od e.
7
F o rce d d efrost
D -heater
1 ) P ress the F R Z con trol b utton 5 tim es w hen press
th e R E F contro l bu tto n.
A fter tha t ca n s tart the forced de fro st.
2 ) F orced de fro st m ode
T he pre-cool ste p is om itted .
D efrost he ater is on un til defrost-se nsor
d ete cts 10
.
If de fro st-senso r out of order then -he ate r is
o n form 80 m in ute s.
8
In itia l d efrost
D -heater
C o m p.
F -fan
1 ) If the de frost senso r
3.5
in the initial
op eratio n, the n e nte r the defro st m ode.
9
C o m pressor
re start pre vent
C o m p.
1 ) A fter the com presso r is off, th e co m pressor is not
on eve n thou gh the free zer-sen sor is a t o n p oin t
fo r 6 m inutes.
