Kaisai R ON-OFF series, User Manual

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For 21k,24k models:
 Condition of defrosting:
AC will enter defrosting mode if any of the following items is satisfied.
(1) When T3
＜
TC1
℃, if the
compressor keeps running over 40 minutes and T3
＜
TC3
℃ for 3 minutes.
While TC1= 0
℃ ,
TC3=
－
3
℃.
(2) After the last defrosting, the time that the outdoor fan is off but the compressor is on in high T2
protection cumulates up to 90 minutes.
 Condition of ending defrosting:
If any one of the following items is satisfied, the defrosting will terminate and the machine will turn to
normal heating mode.
(1) T3 rises to be higher than TC2. TC2= 20
℃
for 21k model, TC2= 30
℃
for 24k model.
(2) The machine has run for 10 minutes in defrosting.
 Defrosting action
：
8.4.3.5 High evaporator coil temp.T2 protection:
For 7k,9k,18k models:
While TE7=60
℃
,TE8=53
℃
,TE9=50
℃
for 7k ,9k modesls,
TE7=60
℃
,TE8=52
℃
,TE9=51
℃
for 18k models,