Panasonic CU-8ME1XPK - Page 277

Function PACD011001C2
256 Function Urban Multi “MX1R, ME1R Series” Using R-407C
Control According
to Outdoor
Temperature
If the outdoor temperature exceeds 27°C when heating, forced thermostat OFF is carried out in order to
prevent a safety device from being tripped or a sensor malfunction.
1.13.2 ME1R Series
High Pressure (Hp) Control
Low Pressure (Lp) Control
Discharge Pipe Temperature (Td) Control
Inverter Current Control
Hp≥23.8kg/cm²
(2.332MPa)
Hp≥25.5kg/cm²
(2.499MPa)
Hp>28.7kg/cm²
(2.812MPa)
Hp>31.5kg/cm²
(3.087MPa)
Heat exchanger
capacity control
76Hz+OFF
Forced thermostat OFF
Up to 2 times
in 30 minutes
E3 stop due
to malfunction
(VF001)
Lp>2.0kg/cm²
(0.196MPa)
DSH>15˚C
&
Lp<1.2kg/cm²
(0.118MPa)
LP<0.8
R1T>5ºC
LP<0.5
R1T≤5ºC
Lp<0.3kg/cm²
(0.029MPa)
Lp<0kg/cm²
(0MPa)
(Cooling)
32Hz+OFF
(Heating, simultaneous cool / heat operation)
Hot gas bypass
valve ON
106Hz+OFF
or
62Hz+ON
Injection valve ON
Lp<1.7kg/cm²
(0.167MPa)
Forced thermostat
OFF
Up to 2 times
in 30 minutes
E4 stop due
to malfunction
Hot gas bypass
valve ON
(VF002)
&
&
or
LP<0.8
R5T<Te + 10ºC
LP<0.5
R5T≥Te + 10ºC
&
&
or
Td≥130˚C
Td>105˚C
or
DSH>55˚C (DSH = Discharge Super Heating)
or
Td>90˚C&Lp<3kg/cm² (Control during cooling)
or (0.294MPa)
Td>90˚C&Lp<1.0kg/cm²
or (0.098MPa)
(Injection solenoid valve ON)
u38Hz+OFF: Both high
u106Hz+OFF(-): STD only high
u38Hz+ON(-): INV only high
Td>135˚C
Forced thermostat OFF
Up to 2 times
in 100 minutes
Td≥135˚C
F3 stop due
to malfunction
(VF005)
( )
Control during heating
&
Simultaneous
cool / heat operation
INV≥16.5A
FREQUENCY
1 STEP DOWN
L8 stop due
to malfunction
INV≥16.5A
Forced thermostat OFF
UP to 4 times in 60 minutes
(VF004)