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[. . . ] CONSTRUCTION VIEWS (EXTERNAL VIEWS) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . WIRING DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . PARTS RATING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . REFRIGERANTING CYCLE DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [. . . ] Check full open of outdoor service valves (gas side, liquid side). Check characteristics of TS1 sensor resistance value. Check characteristics of TD1, TD2 sensor resistance value. Check SV4 circuit (Valve leakage, misinstallation) · Check full opening of outdoor service valves (gas side, liquid side). · Check clogging of outdoor PMV (PMV1, 2). · Check characteristics of TD2 sensor resistance value. (Miscabling and misinstallation of SV41 and SV42) · · · · · Error of 4-way valve error Check coil error and connector connection of 4-way valve. Check characteristics of TS1/TE1 sensor resistance value. Check characteristics of Pd, Ps pressure sensor output voltage. Check misconnection of TE1 and TL sensors.
02: TD condition
AE
P17
P17
--
bb
Discharge temperature (TD2) exceeded 115°C.
FILE NO. SVM-05052
P19
P19
Detected outdoor unit No.
8
Check code Check code name Status Error detection condition Check item (position) High-pressure All stop Pd sensor detected 3. 6MPa or more. · Check fan IPDU error.
· Check outdoor fan system. · Check fixation between fan IPDU and heat sink. · Check fan IPDU error.
FILE NO. SVM-05052
· Check input power supply voltage of the fan IPDU. · Check power supply P board error of the fan IPDU. · Check error of external electrolytic condenser.
Check code Detected position Check code name Status Error detection condition Check item (position)
Outdoor 7-segment display
Main remote controller 14 IPDU G-Tr short-circuit protection error Compressor position detection circuit error Other indoor error (Group follower unit error) Corresponding E07/L07/L03/L08 was · Check indoor P board. detected when other indoor unit in the group was defective. All stop Position was not normally detected. All stop Instantaneous over-current was detected when compressor started. · Check connector connection and wiring on IPDU P board. · Check compressor error and defect of compressor coil. [. . . ] is displayed. ) In this time, the item code (DN) is displayed. The fan of the indoor unit operates and the flap starts swinging if any. First set the capacity of the indoor unit. (Setting the capacity writes the data at shipment from the factory in EEPROM. ) 1) Using the set temperature
/
buttons, set to the item code (DN). [. . . ]
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