Hitachi RAS-10SH2/RAC-10SH2 [14/19] Automatic control of product

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Automatic Control of Product When this unit is used with the cooling only outdoor no heating operation may be obtained In order to protect the compressor of the outdoor unit after stop of the 3min protection unit wait at least 3min After about 3min it will automatically run If the temperature of the indoor unit heat exchanger drops abnormally COOL Prevent Freezing the compressor will stop automatically and only the FAN runs to avoid freezing of the heat exchanger Running Method HOT start To start HEAT operation in order to avoid discharge of cool air the FAN running will automatically change slowly in the order of LOW SET FAN HEAT DEFROST FAN stop In DEFROST operation in order to avoid discharge of cool air the FAN automatically stops Excess heat When the HEAT operation ends in order to reduce the indoor unit removal temperature sometimes FAN operation will be extended 2min Prevention of In HEAT operation different indoor temperature will have different overload overload point When outdoor unit is high over 21 C it stops Multiple Units Running Simultaneously One remote control switch may control multiple air conditioners max 16 units For details consult the distributor or the aftersales service department of our company Maintenance Method To avoid injury from electrical shock cut off the main power of the air conditioner before Warning Maintenance operation In maintenance use firm scaffold to avoid falling to cause injury and Aftersales Service In installing and removing air intake grille and filter hold with hands to avoid falling of grille and filter to cause accident Install the filter Otherwise clogging will occur in heat exchanger or drain pipe 12

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