Panasonic Inverter Air Conditioner R410A Technical Data And Service Manual

1-105
1. Specifications
7-11. Misoperation Alarm Indicators
Alarm indicator lamps on the indoor unit indicate the error 
cause if the air conditioner fails to operate upon being 
switched on. The possible alarm indications are given in 
Table 1-9. Fig. 1-95 shows the location of the alarm lamps 
on the indoor unit.
(See Table 1-9 and Fig. 1-95.)
Table 1-9
Alarm
(OPERATION(TIMER(STANDBYCause of Trouble
lamp) lamp) lamp)
S.C. errors* between the indoor unit’s controller (PCB) and the remote
controller....

1-106
1. Specifications

CAUTION If the signal receiving unit is installed near a rapid-start or inverter type fluorescent 
lamp (neither one uses glow lamps), it may be impossible to receive signals from the 
wireless remote controller. To avoid signal interference from fluorescent lamps, install 
the receiving unit at least 6.6 ft. away from the lamps and install at a location where 
wireless remote controller signals can be received when the fluorescent lamps are on.
7-12. Separate Type Signal...

1-107
1. Specifications
When using the signal receiving unit on a wall with
the front exposed, choose a wall surface that the
signal receiving unit can be mounted on.
(1) Insert a  athead screwdriver into the slot on the lower 
side of the signal receiving unit and pry off the back 
case.
(2) The wire routing at the signal receiving unit comes out 
of the upper case (thin portion at upper center) so use 
nippers or a similar tool to cut out a notch beforehand 
large enough for the remote control cable...

1-108
1. Specifications
7-13. Electrical Wiring
CAUTIONBe sure to do the wiring
correctly (incorrect
wiring will damage the
equipment).
  Recommended wire diameter and allowable length
for signal receiving unit wiring and its branch wiring:
AWG #18, MAX 1,300 ft.
7-14. Test  Run  Switch
(1) Remove the cover plate of the signal receiving unit.
Set the “TEST RUN” switch of the dip switches to
the ON position.
(2) Press the ON/OFF operation button on the
wireless remote controller.
Wire joint (2 pcs.
white,...

1-109
1. Specifications
7-15. Misoperation Alarm Indicators
A blinking lamp for other than the signal receiving unit
 lter shows that a problem has occurred in the unit, so
make an inspection. (Refer to servicing information in
the service manual, etc.) Also, if wired remote controller
and dedicated service check lines (CV6380230938: 
service use) are available, then detailed error
information can be obtained by connecting to the
service connector as shown in the drawing. For
information on how to...

1-110
1. Specifications
7-16. Basic Wiring Diagram
CAUTIONBe sure to do the wiring
correctly (incorrect wiring
will damage the equipment).
 Wiring procedure
Carry out the wiring according to the above wiring
diagram.
  Address setting is automatically executed
after turning on the system.
An indoor unit address is assigned to each
indoor unit.
Operation takes place successively at
intervals of 1 second, by using combinations
of the address setting of each unit.  In case of using shielded wires for...

1-111
1. Specifications
7-17. Wiring System Diagram for Group Control
This diagram shows when several units (maximum of
8) are controlled by a signal receiving unit (main
unit). In this case, a signal receiving unit can be
connected at any indoor unit.
 Group control using 2 signal receiving units
It does not matter which of the 2 signal receiving units
you set as the main controller.Wiring procedure
Wire according to the diagram at left:
  Address setting is executed automatically when the 
outdoor unit...

1-112
1. Specifications
7-18. Wiring System Diagram for Multiple Remote Controllers
  To operate 1 indoor unit with 2 signal receiving units
set at different locations.
CAUTIONCarry out the wiring correctly
(incorrect wiring will damage
the equipment).
 When installing multiple remote controllers
This multiple system is used for operating the unit(s) at
different positions. (A maximum of 2 signal receiving
units can be installed.)
 Setting method
To execute this control, make the setting according
to the...

1-113
1. Specifications

7-19. Test  Run  Procedure
   Wall mounted Type
    (K1 Type)
7-20. Check Items Before the Test Run
(1) Turn ON the remote power switch at least 12 hours before the test run in order to charge the crankcase heater.
(2) Fully open the service valves on the gas-tube and liquid-tube sides.
(3) Set the sliding switches on the inside of the wireless remote controller cover to the correct settings for that model.
After changing the settings, press the RESET hole.
Check the “Check Items...

1-114
1. Specifications
7-21. Preparing for the Test Run
7-21-1. Changing the room temperature sensor
  Room temperature sensors are installed inside the indoor unit and the wireless remote controller.
Either room temperature sensor can be used.
  When “Unit Sensor” is indicated on the wireless remote controller’s LCD, the indoor unit sensor is operating as the 
room temperature sensor.
To change to the remote control sensor, open the remote control cover and press the SENSOR button once. The 
“Unit...