Panasonic CS-Z25TKEA Service Manual page 49

12.3.7 How to Take Out Front Grille
Please follow the steps below to take out front grille if
necessary such as when servicing.
1 Set the vertical airflow direction louvers to the
horizontal position.
2 Slide down the 2 caps (1.0 ~ 1.75HP) or 3
caps (2.0 ~ 2.5HP) on the front grille as
shown in the illustration at right, and then
remove the 3 (1.0 ~ 1.75HP) or 4 (2.0 ~ 2.5HP)
mounting screws.
3 Pull the lower section of the front grille
towards you to remove the front grille.
When reinstalling the front grille, first set the
vertical airflow direction louver to the horizontal
position and then carry out above steps 2 - 3 in
the reverse order.
12.3.8 Auto Switch Operation
The below operations will be performed by pressing the "AUTO" switch.
1 AUTO OPERATION MODE
The Auto operation will be activated immediately once the Auto Switch is
pressed and release before 5 sec..
2 TEST RUN OPERATION (FOR PUMP DOWN/SERVICING PURPOSE)
The Test Run operation will be activated if the Auto Switch is pressed
continuously for more than 5 sec. to below 8 sec..
A "pep" sound will occur at the fifth sec., in order to identify the starting of
Test Run operation.
3 HEATING TRIAL OPERATION
Press the "AUTO" switch continuously for more than 8 sec. to below 11 sec. and release when a "pep pep"
sound is occurred at eight sec. (However, a "pep" sound is occurred at fifth sec..) Then press Remote
controller "A/C Reset" button once.
Remote controller signal will activate operation to force heating mode.
4 REMOTE CONTROLLER RECEIVING SOUND ON/OFF
The ON/OFF of Remote controller receiving sound can be change over by the following steps:
a) Press "AUTO" switch continuously for more than 16 sec. to below 21 sec..
A "pep", "pep", "pep", "pep" sound will occur at the sixteenth sec..
b) Press the "A/C Reset" button once. Remote controller signal will activate the Remote controller sound
setting mode.
c) Press the "AUTO" switch once to select Remote controller receiving sound ON/OFF. A "peep" sound
indicates receiving sound ON, and a "pep" sound indicates receiving sound OFF.
12.3.9 Disposal of Outdoor Unit Drain Water

If a drain elbow is used, the unit should be placed
on a stand which is taller than 3 cm.

If the unit is used in an area where temperature
falls below 0°C for 2 or 3 days in succession, it is
recommended not to use a drain elbow, for the
drain water freezes and the fan will not rotate.
Vane
(Move the
vane to
downward)
(only for 2.0HP ~ 2.5HP model)
Drain elbow 7
Install the hose at an angle so that the
water smoothly fl ows out.
49
Screw
Front
grille
Cap
Hose