:<
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Jxterior diameter/mm0
=5:<
@5<9
895>
8<5??
8@57<
99599
9<5;
9?5<?
:85?
:;5@
:?58
;85?
Vemarks
Tipe thickness/mm0
more than 75?
more than 75?
more than 857
more than 857
more than 857/straight pipe0
more than 857
more than 857
more than 857
more than 858
more than 85:
more than 85;
more than 85<
coil pipe
straight pipe
more than 857 /coil pipe0
?8;> Yqh`k qtmmhmf
;8 Gdenqd sqh`k qtmmhmf
Qake sure the following works have been finished according
to the installation manual5
a5 Tiping work
b5 [iring work
c5 Peakage check
d5 Jvacuate work
e5 Fdditional refrigerant charging
f5 Flso check if the indoor works have been finished
<8 Yqh`k qtmmhmf
Ffter checking the above works are finished3 operate the unit normally and check the following itemsA
a5 Qake sure the indoor and the outdoor are operating normallyB
b5 Sperate indoor unit one by one and make sure the corresponding outdoor unit is also running wellB
c5 Hheck if the proper temperature air is blwoing out from indoor unitB
d5 Hheck if the fan speed can be adjusted properly by the controller
RoteA
85 Meating and cooling mode can be operated under the correct temperature range5
95 Nf a knocking noise can be heard from the compressor3 stop the unit immediately and then energize
the crankcase heater to get enough long time before restarting the unit5
:5 Snce stopping3 the compressor will not run right now only after the unit has stopped for : minutes3
which can protect the compressor5
;5 Nn the quiet running at night mode3 the outdoor fan will be at low speed5 Gut this is not a malfunction5
=8 Hgdbj `esdq sqh`k qtmmhmf
Terform the following inspections after the trial running is finishedA
85 Vecord the field setting
95 Vecord the installation dataA pipe length3 height difference3 charge amount3 etc55