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Special Control 3.7 SiUS39-501 Pressure Equalization Prior to Startup Before activating the compressor, the activation load is lightened by equalization across the compressor. In addition, inverters turn on electricity and capacitors are charged. Actuator Operation Remarks Compressor OFF Outdoor unit fan Cooling:OFF Heating:Ta>78.8°F; STEP8, Ta≤78.8°F; OFF Four way valve Keep former condition.
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2XWOLQH RI &RQWURO ,QGRRU 8QLW 6L86 /RXYHU &RQWURO IRU 3UHYHQWLQJ &HLOLQJ 'LUW :H KDYH DGGHG D FRQWURO IHDWXUH WKDW DOORZV \RX WR VHOHFW WKH UDQJH RI LQ ZKLFK DLU GLUHFWLRQ FDQ EH DGMXVWHG LQ RUGHU WR SUHYHQW WKH FHLOLQJ VXUURXQGLQJ WKH DLU GLVFKDUJH RXWOHW RI FHLOLQJ PRXQWHG FDVVHWWH W\SH XQLWV IURP EHLQJ VRLOHG Existing position P0 P1 P2 P3 P4 Ceiling soiling prevention position Standard Setting position Draft prevention position (Not for Multi flow type) P0 P0 P1 P1 P3 P4 P4
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6L86 Part 6 Test Operation 7HVW 2SHUDWLRQ 3URFHGXUH DQG 2XWOLQH 2SHUDWLRQ :KHQ 3RZHU LV 7XUQHG 2Q 2XWGRRU 8QLW 3& %RDUG /D\RXW )LHOG 6HWWLQJ
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6L86 )LHOG 6HWWLQJ BS1 BS2 BS3 BS4 BS5 MODE SET RETURN TEST RESET (V2760) 7KHUH DUH WKH IROORZLQJ WKUHH VHWWLQJ PRGHV c 6HWWLQJ PRGH + 3 RII ,QLWLDO VWDWXV ZKHQ QRUPDO $OVR LQGLFDWHV GXULQJ ³DEQRUPDO´ d 6HWWLQJ PRGH + 3 RQ 8VHG WR PRGLI\ WKH RSHUDWLQJ VWDWXV DQG WR VHW SURJUDP DGGUHVVHV HWF 8VXDOO\ XVHG LQ VHUYLFLQJ WKH V\VWHP e 0RQLWRU PRGH + 3 EOLQNV 8VHG WR FKHFN WKH SURJUDP PDGH LQ 6HWWLQJ PRGH 0RGH FKDQJLQJ SURFHGXUH Using the MODE button, the modes can be chang
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6L86 )LHOG 6HWWLQJ 8 21 7 2)) 9 %OLQN c. Monitor mode 1R To enter the monitor mode, push the MODE button (BS1) when in “Setting mode 1”. + 3 + 3 + 3 + 3 + 3 + 3 9DULRXV VHWWLQJV 1XPEHU RI FRQQHFWHG LQGRRU XQLWV 9 7 7 7 7 7 7 9 7 7 7 8 7 8 &RQWHQWV RI PDOIXQFWLRQ WKH ODWHVW 9 7 7 8 8 8 7 Push the SET button (BS2) and set the LED display to a setting item.
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6L86 )LHOG 6HWWLQJ ,PDJH RI RSHUDWLRQ LQ WKH FDVH RI $ Power consumption Rated power consumption 80 % of rated power consumption 70 % of rated power consumption 60 % of rated power consumption Demand level 1 instructing Demand level 2 instructing Demand level 3 instructing Power consumption set by "Demand 1 level setting".
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6L86 7URXEOHVKRRWLQJ E\ ,QGLFDWLRQ RQ WKH 5HPRWH &RQWUROOHU 7URXEOHVKRRWLQJ Caution Be sure to turn off power switch before connect or disconnect connector, or parts damage may be occurred. NO Is power supply 208~230V provided? Provide 208~230V power supply. YES The float switch is connected to X8A of the indoor unit PC board.
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6L86 7URXEOHVKRRWLQJ E\ ,QGLFDWLRQ RQ WKH 5HPRWH &RQWUROOHU 7URXEOHVKRRWLQJ Caution Be sure to turn off power switch before connect or disconnect connector, or parts damage may be occurred. Output current check The secondary current of the inverter is higher than 24.9A for each phase. YES Compressor overload Inspection of the compressor and refrigerant system is required. NO Compressor inspection The compressor's coil is disconnected. YES Replace the compressor.
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6L86 7URXEOHVKRRWLQJ E\ ,QGLFDWLRQ RQ WKH 5HPRWH &RQWUROOHU 7URXEOHVKRRWLQJ Caution Be sure to turn off power switch before connect or disconnect connector, or parts damage may be occurred. Is the voltage of power supply 208~230 V? NO Correct power supply. YES Turn on again. Does the voltage between terminals P and N gradually rise to 283VDC after turning on? NO Replace the inverter PC board. YES The voltage between the P and N terminals is 190VDC or more whenthe compressor is running.
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7URXEOHVKRRWLQJ E\ ,QGLFDWLRQ RQ WKH 5HPRWH &RQWUROOHU 6L86 7URXEOHVKRRWLQJ Caution Be sure to turn off power switch before connect or disconnect connector, or parts damage may be occurred. Has the indoor or outdoor unit PC board been replaced, or has the indoor - outdoor or outdoor - outdoor unit transmission wiring been modified? YES Push and hold the RESET button on the master outdoor unit PC Board for 5 seconds. ∗ The unit will not operate for up to 12 minutes.
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7URXEOHVKRRWLQJ E\ ,QGLFDWLRQ RQ WKH &HQWUDO 5HPRWH &RQWUROOHU 6L86 7URXEOHVKRRWLQJ Caution Be sure to turn off power switch before connect or disconnect connector, or parts damage may be occurred. Is the wiring adaptor for electrical appendices connected? Cannot be used in combination with a wiring adaptor for electrical appendices. Remove the wiring adaptor for electrical appendices and reset the power supply for all optional controllers for centralized control simultaneously.
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6L86 7URXEOHVKRRWLQJ E\ ,QGLFDWLRQ RQ WKH 8QLILHG 21 2)) &RQWUROOHU 7URXEOHVKRRWLQJ Be sure to turn off power switch before connect or disconnect connector, or parts damage may be occurred. Caution Has a once connected optional controller for centralized control been disconnected or itsaddress changed? YES Reset power supply simultaneously for all optional controllers for centralized control.
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6L86 7URXEOHVKRRWLQJ 23 6FKHGXOH 7LPHU 7URXEOHVKRRWLQJ Caution Be sure to turn off power switch before connect or disconnect connector, or parts damage may be occurred. Has an indoor unit once connected been removeor its address changed? YES Reset power supply simultaneously for all optional controllers for centralized control. NO Is the power supply turned on for indoor units displaying malfunction? NO Turn indoor unit's power supply.
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6L86 7URXEOHVKRRWLQJ 23 6FKHGXOH 7LPHU 7URXEOHVKRRWLQJ Caution Be sure to turn off power switch before connect or disconnect connector, or parts damage may be occurred. Is the wiring adaptor for electrical appendices connected? Cannot be used in combination with a wiring adaptor for electrical appendices. Remove the wiring adaptor for electrical appendices and reset the power supply for all optional controllers for centralized control simultaneously.
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