Hitachi RPI-72AQ1 [12/19] Cool heat auto run

Содержание

• Contents 1
• Duct type 1
• Hitachi 1
• Hitachi commercial split air conditioner 1
• In the ceiling thin shell 1
• Operation manual 1
• Z0020064 1
• A warning 2
• Adanger 2
• Safety summary 2
• Foreword 3
• Installation electrical work 3
• Safety notes 3
• In operation 4
• Safety notes continued 4
• How to operate 5
• Maintenance and relocation 5
• Other warnings and cautions 5
• Safety notes continued 5
• The operation range of the unit is as the following 5
• How to effectively use this unit 6
• How to make full use of cooling and heating effects 6
• How to operate continued 6
• Awaming 7
• Indoor unit 7
• Part name and indications of safety notes 7
• Adds rn hr 8
• On off timer set temp 8
• Part name of remote control switch 8
• This unit doesn t have this function 8
• Cool heat dry and fan 9
• K_________________________z r ob 9
• Run modes and functions 9
• Switch 10
• Temp fan 10
• Switch 11
• Time operation 11
• Timer run 11
• Cool heat auto run 12
• Display of abnormality 13
• Filter 13
• Normal display 13
• Other lcd 13
• Stop unit in defrost operation 13
• Automatic control of product 14
• Maintenance method 14
• Multiple units running simultaneously 14
• When this unit is used with the cooling only outdoor no heating operation may be obtained 14
• Cleaning of air filter 15
• Daily maintenance 15
• Maintenance at start and end of air conditioning season 15
• Maintenance method continued 15
• Maintenance of air intake grille and air discharge grille 15
• False failures 16
• The following occasions are not failures 16
• Authorized maintenance 17
• Matters to be checked before authorized maintenance 17
• 38 36 42 40 37 44 42 40 45 43 40 18
• Product types and noise value 18
• Rpi 120hq1 rpi 120aq1 18
• Rpi 130hq1 rpi 130aq1 18
• Rpi 56hq1 rpi 56aq1 18
• Rpi 72hq1 rpi 72aq1 18
• V or 240v 1 50hz 18
• Distributor 19
• Opinion of user 19

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COOL HEAT Auto RUN Only the hot pump unit has the COOL HEAT Auto Run function Single cool unit has no COOL HEAT Auto RUN function COOL HEAT Auto RUN is optional which shall be set For details consult the distributor When the ambient temperature is above COOL HEAT Auto RUN Based on 21 C no HEAT operation is possible the expected temperature changes Due to sharp changes of temperature in COOL and HEAT operations this function shall not be used fro precision control of room temperature and humidity between COOL and HEAT v Ihen the intake air temperature is approx 3 0 higher than the set temperature it automatically changes to COOL if 3 lower it changes to HEAT 10