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3.9.2.3 Full PTI (F.PTI)
F.PTI consists of S.PTI and operation tests.
●Step display and contents
(step P00 to P32 are as same as S.PTI)
Step Content
P50 Check on pull-down to 0˚C
P60 Check on controllability of chilled
mode operation.
P70 Check on defrosting
P80
Check on pull-down from 0˚C through -18 ˚C
P90 Check on controllability of frozen mode
operation
N
Normal operation
UNIT ON/OFF key: on
S.PTI start P00 to P32
Select F.PTI
within 18 seconds
Y
Y
Y
F.PTI
Y
N
N
PTI abnormal end
S.PTI end
Data logging
PTI report
Compressor protective
device activation
Operation test start
P50 to P90
Operation test termination
S.PTI abnormal
N
Abnormal
N
Abnormal reset?
Press the key for 3 seconds
●F.PTI flow chart
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