Panasonic Urban Multi MX1R Series Service Manual page 506

PACD011001C2
∗ 7 Programme dry display
∗ 8 Thermostat status
∗ 9
∗ 10 Air flow direction setting
∗ 11 Fan
Troubleshooting UM Combination "MA1R Series" Using R-407C
Program dry operation
∗7
Program dry display
∗8
Thermostat status?
Fan M1F : operation: L
Electronic expansion valve
degree of super heat control
Does not display preset temperature and air flow settings of the controller.
Preset temperature during programme dry operation.
∗9
Fan in operation
Option
Drain-up kit (M1P): OFF
Auxiliary electric heater (K1R): OFF
Humidifier (Hu): OFF
Swing flap?
Swing flap
∗11
Fan MF: Operating at set air flow
rate
Electronic expansion valve
closed
Fan operation
When fan operation has been selected using the remote controller, operation is turned OFF by
thermostat when temperature control operation has been selected.
If fan operation is selected with the remote controller, air discharge is 100% horizontal during
heating.
If fan operation is selected with the remote controller, LL speed operation is carried out during
heating.
Fan M1F : 6 minutes stopped
OFF
then L operation
ON
Electronic expansion valve
closed
(Option)
Y1E
Drain-up kit M1P : Off after 5
minutes residual operation
A
No
∗10
YES
Air flow direction setting
Y1E
A
Operation Flowcharts
Y1E
(VF023)
(VF024)
485