Specifications

-34-
PRHG-15, 20MYA
START
POWER ON
CH1, 2 ON
FZ ON (SELF HOLD)
30FZ, 30CZ1, 30CZ2 ON (SELF HOLD)
LCD controller
cooling ON ?
LCD controller
COMP1 ON ?
CZ ON
TCZ ON
52F ON
MF1 OPERATE
52C1 ON
MC1 OPERATE
MF2 OPERATE
52C2 ON
MC2 OPERATE
MF3 OPERATE
LCD controller
heating ON ?
CZ ON
HZ ON
CH1 OFF
52F ON
MF1 OPERATE
52C1 ON
MC1 OPERATE
MF2 OPERATE
PASS THE 2 SEC. ?
LCD controller
COMP1 ON ?
PASS THE 2 SEC. ?
NO NO
YES
YES
YES
YES
YES
NO
CH1, CH2 ON
52F, 52C1, 52C2 OFF
MF1, MF2, MF3 STOP
MC1, MC2 STOP
30FZ, 30CZ1 30CZ2 OFF
SERVICE CALL
YES
CH1, CH2 ON
26D2 OFF ?
63H2-2 OFF ?
OR
X4 ON ?
POWER OFF ?
END
LCD controller OFF
YES
YES
NO
NO
YES
NO
LCD controller
COMP2 ON ?
YES
YES
NO
NO
SAFETY
DEVICE (51F1)
OFF ?
CH1 ON
52C1 OFF
MC1 STOP
MF2 STOP
SERVICE CALL
30CZ1 OFF
No. 1 SAFETY
DEVICE OFF ?
(51F2, 49F1, 49C1,
63H1, 51C1)
YES
TCZ ON
LCD controller
COMP2 ON ?
YES
NO
CH OFF
52C2 ON
MC2 OPERATE
MF3 OPERATE
PASS
THE 30 MIN ON ?
(T1)
YES
YES
YES
CH1 OFF
CH2 OFF
NO
CH2 ON
52C2 OFF
MC2 STOP
MF3 STOP
SERVICE CALL
30CZ2 OFF
No. 2 SAFETY
DEVICE OFF ?
(51F3, 49F2, 49C2,
63H2, 51C2)
YES
NO NO
Go
52F, 52C1, 52C2 OFF
MF1, MF2, MF3 STOP
MC1, MC2 STOP
FZ ON (SELF HOLD)
21S41, 2 ON, T1, T2 ON
CONTINUE ?
Go
NO
NO
PASS
THE 15 MIN ON ?
(T3)
X3 ON
X3 OFF
X1 ON (SELF HOLD)
T3 ON
X1 OFF
T3 OFF
21S41 OFF
T1 OFF
MF2 STOP
21S41, T1 ON
MF2 OPERATE
YES
NO
YES
PASS
THE 30 MIN ON ?
(T2)
YES
YES
YES
NO
NO
PASS
THE 15 MIN ON ?
(T4)
X4 ON
X4 OFF
X2 ON (SELF HOLD)
T4 ON
X2 OFF
T4 OFF
21S42 OFF
T2 OFF
MF3 STOP
21S42, T2 ON
MF3 OPERATE
YES
NO
NO
NO
NO NO
X3 ON ?
Go
NO
>
26±1.5°C
Condensing
temp.
=
> 2.16MPa
High
pressure
=
26D1 OFF ?
63H2-1 OFF ?
OR
>
26±1.5°C
Condensing
temp.
=
> 2.16MPa
High
pressure
=
26D1 ON ?
()
=
Condensing
temp.
<
6±1.5°C
26D2 ON ?
()
=
Condensing
temp.
<
6±1.5°C
()
()
()
(
)