MTA TAEevo Tech 101 - Page 7

OPERATING AND MAINTENANCE MANUAL
- Table of Contents
TAEevo Tech 015÷802 60 Hz UL
6
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EN
7.12.12Display and delete the alarms log in the memory (ALOG function) .................................57
7.13 Programming from keypad ............................................................................................. 57
7.13.1 Access to parameters .........................................................................................................58
7.13.2 How to change a parameter value .................................................................................... 59
7.14 Use of the hot-key (function UPL) ................................................................................. 59
7.14.1 Programming the board with the hot-key ..........................................................................59
7.14.2 Hot-key programming ....................................................................................................... 59
7.15 Unit adjustment and control............................................................................................ 59
7.15.1 Compressors control .........................................................................................................59
7.15.2 Choice of compressors control type .................................................................................. 59
7.15.3 Proportional control .......................................................................................................... 59
7.15.4 Compressors proportional control diagram .....................................................................60
7.15.5 Neutral zone control (factory setting) ............................................................................... 60
7.15.6 Compressors rotation ........................................................................................................ 60
7.15.7 Forced compressors rotation ............................................................................................60
7.15.8 Compressors starting time limitation ................................................................................ 61
7.16 Unloading function ......................................................................................................... 61
7.17 Fans control..................................................................................................................... 61
7.17.1 Units configured with “STEP” fans .................................................................................. 61
7.17.2 Fan control diagrams ........................................................................................................ 61
7.18 Hydraulic unit ................................................................................................................. 61
7.19 Anti-freeze pump management (if ambient probe is installed) ...................................... 61
7.20 ModBus........................................................................................................................... 62
7.21 Automatic restart............................................................................................................. 62
7.22 Control with LCD graphic display.................................................................................. 62
7.23 Function of buttons .........................................................................................................63
7.24 Probes visualization ........................................................................................................63
7.25 Unit start/stop.................................................................................................................. 63
7.25.1 Start from the keypad ........................................................................................................64
7.25.2 Start-up from a digital input ..............................................................................................64
7.26 Visualization / modification of the set point................................................................... 64
7.27 Alarm visualization.........................................................................................................64
7.28 Menu service visualization ............................................................................................. 65
7.29 Parameters programming................................................................................................ 65
7.30 Compressor maintenance................................................................................................ 66
7.31 Water pump maintenance ............................................................................................... 66
7.32 Circuit maintenance........................................................................................................ 67
7.33 Alarm visualization and reset ......................................................................................... 67
7.34 Alarm log visualization................................................................................................... 68
7.35 Electric heater visualization............................................................................................ 68
7.36 I/O status......................................................................................................................... 68
7.37 Auxiliary output visualization ........................................................................................ 69
7.38 Parameters programming with Hot Key......................................................................... 70
7.39 Keyboard configuration .................................................................................................. 71
7.40 Circuit Information .........................................................................................................71
7.41 Parameters description-settings ...................................................................................... 73
7.41.1 Description of parameters .................................................................................................73
7.41.2 Parameters setting ........................................................................................................... 105
7.41.3 Parameters dependent on remote terminal kit ................................................................181
Chapter 8
OTHER COMPONENTS.....................................................................................................................182
8.1 Compressor motor protection ....................................................................................... 182
8.2 Refrigerant high and low pressure switches ................................................................. 182
8.3 Fan pressure switches ................................................................................................... 182
8.4 Pressure transducers...................................................................................................... 183
8.5 Level sensor.................................................................................................................. 183
Chapter 9
OPERATION AND MAINTENANCE ...................................................................................................184
9.1 Operation ...................................................................................................................... 184
9.2 Maintenance.................................................................................................................184
9.3 Access to the unit.......................................................................................................... 184