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C Migh pressure switch is the device which can stop the unit automatically when the unit runs abnormally5
[hen the high pressure switch acts3 the cooling6heating mode will stop but the running PJI on wired
controller will be light still5 Xhe wired controller will display failure code5
[hen the following cases occur3 the protection device will actA
Nn cooling mode3 air outlet and air inlet of outdoor are clogged5
Nn heating mode3 indoor filter is sticked with ductB indoor air outlet is clogged5
[hen protection device acts3 please cut off the power source and re4start up after eliminating the
trouble5
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C [hen power is failure in running3 all the operations will stop5
Ffter being electrified again3 if with re4satrt up function3 the unit can resume to the state before power
off automaticallyB if without re4satrt up function3 the unti needs to be switched on again5
[hen abnormal occurs in running because of the thunder3 the lightning3 the interference of car or
radio3 etc3 please cut off the power source3 after eliminating the failure3 press + button to
start up the unit5
C Xhe heating mode adopts the heat pump type that absorbs outdoor heat energy and releases into
indoor5 Wo if outdoor temperature goes down3 the heating capacity will decrease5
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C Nn heating mode3 outdoor defrosting will affect the heating efficiency5 Xhe unit will defrost for about
9{87 minutes automatically3 at this time3 the condensate will flow from outdoor3 also in defrosting3
the vapour will appear at outdoor3 which is normal5 Nndoor motor will run at low speed or stop3 and
outdoor motor will stop5
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C Xo use the unit properly3 please operate the unit under the allowed condition range5
Nf operating beyond the range3 the protection device will act5
Xhe relative humidity should be lower than ?7-5 Nf the unit runs at the humidity over ?7- for a long
period3 the dew on the unit will drop down and the vapour will be blowed from air outlet5
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C Xurn on the main power supply 89 hours or more before starting the operation5
C Hheck and ensure earth wiring is connnected5
C Hheck and ensure air filter is fitted to indoor unit5
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C Xhe outdoor unit will not operation within : minutes after the air conditioner restarts immediately after
stop or the power supply has been turned on5 Xhus the compressor will be protected5
Содержание MRV II AV48NMVERA
Страница 112: ...112 5 Wiring connection among units ...