Mitsubishi Electric e Series Service Handbook page 120

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[ IX Troubleshooting ]
SH/SC-CtrlB
All-Units
Run-Units
Unit1~Unit24
Flow rate
TotalA (hr)
ON/OFF-CntA
Err code
Detail
TotalB (hr)
ON/OFF-CntB
Comp min (Hz)
Comp max (Hz)
sys-chg Comp (Hz)
Comp ON/OFF
Comp Auto/Manual
Target-Comp (Hz)
CTA
ETA
CTB
ETB
Fan Auto/Manual
LEV Auto/Manual
Pd bkup1
Pd bkup2
Ps bkup3
Ps bkup1-1
Ps bkup1-2
Ps bkup2
Td bkup1
Td bkup2
Ps-up bkup
Liquid bag bkup
Cold-low bkup
Hot-up bkup
Ta Cold-low bkup
Ta Cold-up bkup
Ta Hot-low bkup
Ta Hot-up bkup
Ant-frz bkup1
Ant-frz bkup2
AF bkup
Cfan bkup
COMPAR
COMPA
FANAR
FANA
COMPBR
COMPB
FANBR
FANB
CNRL4(RX03)
CNRL5(RX04)
CNRL6(RX05)
X01
PumpMin(Hz)
Pump
MV2
LEV_AM_C
LEV_AM_H
LEV_BM_H
LEV_BM_C
LEV_Ainj
LEV_Binj
SH/SC
HWE20010
Target discharge temp. control ON/OFF (B)
The number of units
The number of operating units
Operating condition (Unit 1~24)
Thermo OFF/Thermo ON/Error/-
Water flow rate
Total operating time for compressor A
Count of ON/OFF for compressor A
Error code
Error code detail
Total operating time for compressor B
Count of ON/OFF for compressor B
Compressor minimum frequency
Compressor maximum frequency
Compressor frequency at changing the number of operating compressor
Compressor ON/OFF
Compressor Auto/Manual
Target compressor frequency
Condensing temperature A
Evaporating temperature A
Condensing temperature B
Evaporating temperature B
Fan Auto/Manual
LEV Auto/Manual
Limitation of increasing compressor frequency
(PD error)
Forced unload compressor
(PD error)
Anti-freeze (stationary)
Limitation of increasing compressor frequency
(Low pressure control)
Forced LEV open
(Low pressure control)
Forced unload compressor
(Low pressure control)
Limitation of increasing compressor frequency
(Discharge temperature control)
Forced unload compressor
(Discharge temperature control)
Protection of increasing low pressure
Protection of Liquid back
Protection of cold water lower limit
Protection of hot water upper limit
Ambient temperature lower limit (Cooling)
Ambient temperature upper limit (Cooling)
Ambient temperature lower limit (Heating)
Ambient temperature upper limit (Heating)
Anti-freeze stop 1
Anti-freeze stop 2
AF protection
Protection of control FAN
Real compressor frequency A
Compressor frequency A
Real FAN frequency A
FAN frequency A
Real compressor frequency B
Compressor frequency B
Real FAN frequency B
FAN frequency B
Control FAN 1 (Main) / Control FAN 3 (Sub)
Control FAN 2 (Main) / Control FAN 4 (Sub)
4way valve 1B (Main) / 4way valve 2B (Sub)
4way valve 1A (Main) / 4way valve 2A (Sub)
Pump minimum Hz
Pump Hz
Differential pressure valve (pulse)
CNLVA (1AMC/2AMC)
CNLVB (1AMH/2AMH)
CNLVC (1BMH/2BMH)
CNLVD (1BMC/2BMC)
CNLVF (1AINJ/2AINJ)
CNLVE (1BINJ/2BINJ)
SH/SC control state
- 111 -
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