Daikin LX10F10A, Service Manual

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1-3
1.2 Set Point and Protection Device
Component Name Detector Symbol Setting Value Alarm
High pressure switch HPS
OFF ≧ 2400kPa （ 24.47kg/cm
2
）
ON ≦ 1900kPa （ 19.37kg/cm 2 ）
E101
F101
Pressure control valve PCV Open ≧ 2450kPa （ 25.0kg/cm 2 ） −
Fusible plug − 95 〜 100 ℃（ 203 〜 212 ℉） −
Built-in thermal protector
for condenser fan motor
Q1M
OFF ≧ 135 ℃± 5 ℃（ 275 ℉± 41 ℉）
ON ≦ 86 ℃± 15 ℃（ 187 ℉± 59 ℉）
−
Built-in thermal protector
for evaporator fan motor
−
OFF ≧ 145 ℃± 5 ℃（ 293 ℉± 41 ℉）
ON ≦ 94 ℃± 15 ℃（ 201 ℉± 59 ℉）
−
Circuit breaker (with ear th leakage
breaker)
CB 30A −
Inverter
circuit
Fin temperature
(IPM protection)
VOT ON ＞ 90 ℃ E52C
Instantaneous overcurrent
NIDC
ON 51Ap ± 10%
E52E
F52E
Electronic thermal 1
(Compressor overcurrent
protection 1)
ON ＞ 22.5A, OFF ≦ 0.3A E523
Electronic thermal 2
(Compressor overcurrent
protection 2)
ON ＞ 30A, OFF ≦ 1A E524
Lightning detection
VDC
ON ≧ 125r/s (actual r/s - designated r/s) E526
Power-supply voltage imbalance ON
≧
DC35V (Ripple voltage) E531
Undervoltage ON ≦ DC290V
E532
Overvoltage ON ≧ DC790V
●
Fuse and Protection Circuit
Board Fuse Type Protection Circuit Alarm
I/O board
（ EC2 ）
F1U
F10A 250V
fast-acting type
I/O board control power （ DC13.5V, 5V, 3.3V ） −
F2U
PCC1, PCC2, CFH, CFL, EFH, EFL
HSV, RSV, LSV, ESV
F703
F707
E115
E117
F3U Spare −
PT/CT
board
（ EC7 ）
F11U 8A 600V PT/CT board control power −
Noise filter
board
（ EC9 ）
F5U
12.5A 300A
Surge absorber 1 (Lightning protection) −
F6U Surge absorber 2 (Lightning protection) −
F7U Surge absorber 3 (Lightning protection) −
F8U 8A 600V Inverter control circuit −
I/O board
（ EC2 ）
TH1
2.5A 72V
Automatic reset
RM (Remote Monitoring) circuit −
TH2 TransFresh circuit −