Panasonic S-50PY2E5A - Page 19

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8-12. Test run using the Indicator of the indoor unit (Type K1) (1) Press and hold [Emergency Operation] button of the indoor unit for four
seconds or more.
(2) Then the lamps on the display will blink one after another. (3) Release the button and again press and hold [Emergency Operation]
button
for four seconds or more.
(4) All indicator lamps on the display blink while test run is in progress. (5) Temperature control is not possible during the test run. (6) If normal operation is not possible, the lamps on the display will indicate the problem. See the section 8-10. (7) After the test run is completed, press [Emergency Operation]
button and confirm that the indicator lamps stop blinking.
(A 60-minute automatic OFF timer function is included in order to prevent continuous test run.)
Abnormal
display
Wireless remote
controller
receiver display
Alarm contents Error location
Operation
Timer
Standby
Outdoor Unit
P15
Operating and standby lamp blinking alternately
s)NSUFlCIENTGASLEVELDETECTED
s#HECKTHEREFRIGERANTCYCLEGASLEAK s4ROUBLEWITHTHEELECTRONICEXPANSIONVALVE s6ALVEORREFRIGERANTCIRCUITBLOCKAGE
P16 sCompressor overcurrent trouble
s,AYERSHORTONTHECOMPRESSOR s#OMPRESSORLOCKED s#HECKTHEOUTDOORUNITCONTROL0#"
P22
sOutdoor unit fan motor trouble sOutdoor unit fan trouble
s#HECKTHEOUTDOORUNITFANMOTOR s#HECKTHEOUTDOORUNITCONTROL0#"
P29 sInverter compressor trouble
s,AYERSHORTONTHECOMPRESSOR s#HECKTHEOUTDOORUNITCONTROL0#" s#HECKTHEINVERTERCOMPRESSORWIRING/PENPHASE
Reverse phase)
s#OMPRESSORACTUATIONFAILUREINCLUDELOCK s6ALVEORREFRIGERANTCIRCUITBLOCKAGE
P31 s)Ndoor unit in group control trouble s2EPAIRINDOORUNITWHICHBLINKINGALARM
TIMEROPERATION
STANDBY
Indicator
8-11. Auto address setting from the outdoor unit ● If the power can be turned ON separately for the indoor and outdoor units in each system:
The indoor unit addresses can be set without running the compressor.
● "ESURETOUSEAJIGFORSHORTCIRCUITING
(1) Turn on the indoor and outdoor unit power for refrigerant system 1.
3HORTCIRCUITTHE!!$$PIN

p
Communication for auto address setting begins. 
p
 ,%$ANDONTHEOUTDOORUNITCONTROL0#"BLINKALTERNATELYANDTURN/&&WHENADDRESSSETTINGISCOMPLETED

p

!PPROXIMATELYnMINUTESAREREQUIRED
 .EXTTURN/.THEPOWERONLYATTHEINDOORANDOUTDOORUNITSINADIFFERENTSYSTEM3HORTCIRCUITTHE!!$$PIN 
p
 ,%$ANDONTHEOUTDOORUNITCONTROL0#"BLINKALTERNATELYANDTURN/&&WHENADDRESSSETTINGISCOMPLETED

p
Repeat the same procedure for each system and complete auto address setting. 
p
(3) Operation using the remote controller is now possible.
ON:
"LINKING OFF:
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8-13. Caution for Pump Down Pump down means refrigerant gas in the system is returned to the outdoor unit. Pump down is used when the unit is to be moved, or before servicing the refrigerant circuit.
CAUTION
● This outdoor unit cannot collect more than the rated
refrigerant amount as shown by the nameplate on the back.
● If the amount of refrigerant is more than that
recommended, do not conduct a pump down. In this case use another refrigerant collecting system.
● Pay a special attention to the rotating of the fan while
operating.
How to perform Pump-Down (Refrigerant recovery) properly (1) Stop operation of the unit (cooling, heating etc.). (2) Connect the pressure gauge to the service port of the gas
tubing valve.
 3HORTCIRCUITTHEh05-0$/7.vPINONANOUTDOORUNIT
CONTROL0#"#2FORMORETHANSECONDTORELEASE
 s0UMP$OWNBEGINSANDTHEUNITSTARTSOPERATING
 s$URING0UMP$OWN,%$BLINKSAND,%$ISLITONAN
OUTDOORUNITCONTROL0#"#2
 sh#(+vBLINKSONTHEREMOTECONTROLLER (4) Fully close the liquid tubing valve 2-3 minutes later.
4HE0UMP$OWNWILLBEGIN
(5) When the pressure gauge drops to 0.1-0.2MPa, close the
GASTUBINGVALVETIGHTLYANDSHORTCIRCUITTHEh05-0$/7.v pin for more than 1 second to release. That is the end of 0UMP$OWN
s7HENRUNNINGFORMORETHANMINUTESITSTOPSEVENIF
THE0UMP$OWNISNOTCOMPLETED Check the blocked state of the liquid side valve.
 s)TALSOSTOPSWHENTHEh05-0$/7.vPINISSHORT
circuited during the operation.
* For compressor protection, do not operate to the point where
the unit tubing side reaches negative pressure.
Pay a special attention to the rotating of the fan while operating.
,%$ ,%$
05-0$/7.
9. HOW TO INSTALL WIRELESS REMOTE
CONTROLLER RECEIVER
NOTE
Refer to the Instruction Manual attached to the optional Wireless Remote Controller Receiver.
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ENGLISH
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