Daikin ECORICH EHU2504 - Page 4

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PIM00504
9.5 Connection of Input/Output Signal Cables ................................................................. 34
9.5.1 Digital inputs .................................................................................................................. 36
9.5.2 Digital outputs ................................................................................................................ 37
9.5.3 Contact outputs ............................................................................................................. 38
Chapter 10. TRIAL RUNNING ................................................................................... 39
Chapter 11. PANEL OPERATIONS .......................................................................... 40
11.1 Names and Main Functions of Each Part of the Operation Panel ............................. 40
11.2 Functions of the Operation Panel .............................................................................. 40
11.2.1 Function overview .......................................................................................................... 40
11.2.2 Switching Among Modes ............................................................................................... 41
11.3 Regular Mode ............................................................................................................ 41
11.4 Monitor Mode ............................................................................................................. 42
11.4.1 List of display items in the monitor mode ...................................................................... 42
11.4.2 Monitor mode operations ............................................................................................... 43
11.5 Setting Mode .............................................................................................................. 44
11.5.1 Setting mode operations ................................................................................................ 44
11.6 Alarm Mode Display ................................................................................................... 46
11.6.1 Alarm mode operations ................................................................................................. 46
Chapter 12. ADJUSTING PARAMETERS ................................................................. 48
12.1 Parameter List ............................................................................................................ 48
12.2 [P00: DI_A] Switching the Effective Logic for the ON/OFF Signal ............................. 52
12.3 [P13: PL0/QL0] Pressure/Flow Rate Characteristics and Settings ............................ 52
12.4 Setting Output Signals ............................................................................................... 53
12.4.1 Parameters .................................................................................................................... 53
12.4.2 [P39: DO_S] Digital output selection/[P47: RMOT] Alarm relay output maintenance
notification enable/disable ........................................................................................................... 53
12.5 Pressure Switch ......................................................................................................... 54
12.5.1 Parameter list ................................................................................................................ 54
12.5.2 Explanation of parameters ............................................................................................. 55
12.6 Settings Relating to Warnings/Alarms ....................................................................... 56
12.6.1 Setting judgment criteria for [E64: Dry running error] .................................................... 56
12.6.2 Setting related to [E66: Temperature error due to pressure holding rotation speed drop]
56
12.6.3 Setting related to [L49: Motor electronic thermal relay overload warning] .................... 56
12.7 Others ........................................................................................................................ 57
12.7.1 [P45: AC_F] Cooling fan motor speed ........................................................................... 57
12.7.2 [P32: S_TM] Surge suppression at starts ...................................................................... 57
12.7.3 [P48 : T_SP] Reverse rotation warning judgment wait time/[P49: SMTM] Start
acceptance wait time ................................................................................................................... 58
Chapter 13. TROUBLESHOOTING ........................................................................... 59
13.1 Alarm Causes and Corrective Actions ....................................................................... 59
13.2 Warning Causes and Corrective Actions ................................................................... 64
13.3 Periodic Maintenance ................................................................................................ 66
13.4 Cleaning/Replacement Work ..................................................................................... 68
13.5 Oil Cooler Maintenance Instructions .......................................................................... 69
13.5.1 Removing the oil cooler ................................................................................................. 69
13.5.2 Disassembling the oil cooler .......................................................................................... 70
13.5.3 Cleaning the core .......................................................................................................... 70
13.5.4 Cleaning the DC fan ...................................................................................................... 70