Specifications

76
Forced
defrosting
Forced defrosting starts if all of conditions 1 through 3 below are met
when the unit detects that switch SW1-1 has been turned from OFF to ON
during operation in HEAT mode.
Conditions:
1 Compressor is operating.
2 Setting of self-diagnosis display switch (SW2) is "OUTDOOR LIQUID
PIPING TEMPERATURE".
3 Temperature detected by outdoor piping sensor (TH3) is less than 8;.
(Same as end condition above.)
Start condition
8-5. AUTO operation
End condition
Control
Condition
Control name
RemarksOperation
Initial opera-
tion mode
Given in description of indoor unit operation.
Operation
mode change
COOL mode
HEAT mode
Given in description of indoor unit operation.
Same as for COOL operation.
Same as for HEAT operation and DEFROST operation.
Control
Condition Control name
RemarksOperation
(Note 1)
Defrosting mode
is changeable by
the remote con-
troller.
(Note 2)
When not setting
the remote con-
troller, the mode
is set to STAN-
DARD.
Prohibit
defrosting
Interval to next defrosting are determined depending the defrosting time.
1.When defrosting control mode [STANDARD]
Defrosting operation time Interval to the next defrosting
3 minutes or below 120 minutes
3 to 7 minutes 80 minutes
7 to 10 minutes 60 minutes
10 to 15 minutes 40 minutes
15 minutes (Maximum) 30 minutes
2.When defrosting control mode [High humidity region]
Defrosting operation time Interval to the next defrosting
7 minutes or below 60 minutes
7 to 15 minutes 30 minutes
From the previous page.
OCT03-E-3.qxp 04.3.26 1:50 PM Page 76