Specifications

-33-
ELECTRICAL OPERATION FLOW CHARTS
PRHG-8, 10MYA
START
POWER ON
CH ON
FZ ON
30FZ, 30CZ ON (SELF HOLD)
LCD controller
cooling ON ?
LCD controller
COMP 1 ON ?
CZ ON
CH ON
CH OFF
30CZ OFF
52F ON
MF1 OPERATE
52C ON
MC OPERATE
MF2 OPERATE
52C OFF
MC STOP
MF2 STOP
SAFETY
DEVICE OFF ?
(51F2, 49F, 49C,
63H, 51C)
FZ ON
LCD controller
heating ON ?
CZ ON
HZ ON
CH OFF
X2 OFF
21S4 ON, T1 ON
52F ON
MF1 OPERATE
52C ON
MC OPERATE
MF2 OPERATE
CH ON
52F, 52C OFF
MF1, MF2 STOP
MC STOP
21S4 OFF
T1 OFF
52F OFF
MF1, MF2 STOP
CH ON
CONTINUE ?
POWER OFF ?
END
52F, 52C OFF
MF1, MF2 STOP
MC STOP
LCD controller
COMP 1 ON ?
26D ON ?
SV, T2 ON
X1 ON (SELF HOLD)
X1, SV, T2
OFF
PASS THE 30 MIN ?
(T1)
PASS THE 15 MIN ?
(T2)
21S4, T1 ON
52F ON
MF1, MF2 OPERATE
30FZ,30CZ OFF
SERVICE CALL SERVICE CALL
SAFETY
DEVICE OFF ?
(51F1)
NO NO
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
NO
NO NO
NO
Go
NO
NO
NO
NO
NO
NO
X2 ON
LCD controller OFF
()
=
Condensing
temp.
<
6±1.5°C
26D OFF ?
()
Condensing
temp.
>
26±1.5°C
=