Table Of Contents - Bard MULTI-TEC W18AAPA Service Instructions Manual

CONTENTS
General Information ...........................................3
Free Cooling Unit System .......................................3
Wall-Mount Air Conditioner Units ............................3
General ................................................................3
Shipping Damage ..................................................4
Additional Publications ..........................................4
Using the TEC-EYE ...........................................6
TM
TEC-EYE Hand-Held Diagnostic Tool .......................6
TEC-EYE Menu Structure ......................... 7
TEC-EYE Acronyms ................................. 7
Status Screen ......................................... 7
Quick Menu............................................ 8
Setpoints: Local Col and Heat/
Current Cool and Heat ....................... 8
Information ...................................... 8
Data (Alarm) Log ............................... 8
Menu Screens and Password Levels .......... 8
Additional Features ................................. 8
Model/Serial Number Retain Feature .. 8
Time/Date/Timezone Sync .................. 9
Executing a Run Test............................... 9
Run Test Approximate Timings ........... 9
Parameter Description ....................... 9
Identifying a Unit Address ....................... 9
Changing Freecooling Type ....................... 9
Alarms .................................................................10
Acknowledging/Clearing Alarms .................... 10
Clearing Alarms .................................... 10
Clearing Alarm Logs .............................. 11
Alarm Adjustment ....................................... 11
Mixed Air Alarm .................................... 11
Refrigerant Low Pressure ....................... 11
Refrigerant High Pressure ...................... 12
Economizer Damper .............................. 12
Freezestat ............................................ 12
Control Operation .............................................13
On/Off Control ............................................ 13
Fan Control ................................................ 13
FIGURES AND TABLES
Figure 1 MULTI-TEC Wall-Mount Unit Model
Nomenclature ........................................3
Figure 2 TEC-EYE Display and Interface ................6
Figure 3 TEC-EYE Connection to Unit Control ........6
Figure 4 Quick Menu Icons ...................................7
Figure 5 Local Cool/Heat and
Current Cool/Heat Setpoints.....................8
Figure 6 Alarm Log Screen Breakdown ..................8
Figure 7 Executing Run Test .................................9
Figure 8 Alarm Screen Breakdown.......................10
Figure 9 Clearing Alarms ....................................10
Figure 10 Clearing Alarm Logs ..............................11
Figure 11 Adjusting Mixed Air Alarm Values ...........11
Figure 12 Adjusting Damper Alarm Values .............12
Figure 13 LC6000 Status Screen Showing
Control Values ......................................13
Manual 2100-665D
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Temperature Control .................................... 13
Zone Selection...................................... 13
Cooling Sequence - Economizer Available .. 13
Cooling Sequence -
Economizer Not Available ...................... 13
Heating Sequence ................................. 14
Freecooling ................................................ 15
Economizer Disable ............................... 15
Economizer Enable ............................... 15
None ............................................. 15
Drybulb Only .................................. 15
Temperature and Humidity (Default) . 15
Enthalpy ........................................ 15
Economizer Modulation ......................... 15
Compressor ................................................ 16
Enable ................................................. 16
Delays and Run Time............................. 16
Electric Reheat Dehumidification ................. 16
Mechanical Dehumidification ....................... 16
General Refrigerant Information ...................18
General ..................................................... 18
Topping Off System Charge .......................... 18
Safety Practices .......................................... 18
R410A Refrigerant Charge ........................... 18
Componentry .....................................................20
High Pressure Switch .................................. 20
Three Phase Scroll Compressor
Start Up Information ................................... 20
Phase Monitor ............................................ 20
Condenser Fan Operation ............................. 20
Low Ambient Control ................................... 20
Compressor Control Module ......................... 20
Pressure Service Ports ................................. 21
Outdoor Fan Motor ...................................... 21
Maintenance and Troubleshooting ...............24
Standard Maintenance Procedures ............... 24
Removal of Fan Shroud ............................... 24
Troubleshooting Nidec SelecTech ECM Motors .. 25
Figure 14 Wall-Mount Unit Cooling Staging ............13
Figure 15 Adjusting Cooling Differential Values ......14
Figure 16 Adjusting Heating Differential Values ......14
Figure 17 Wall-Mount Unit Heating Staging ...........14
Figure 18 Economizer A4 Screen ..........................15
Figure 19 Economizer A5 Screen ..........................15
Figure 20 Adjusting Damper Modulation Value .......16
Figure 21 Dehumidification Control .......................17
Figure 22 Wall-Mount Unit Control Board ..............17
Figure 23 Fan Blade Setting .................................21
Figure 24 Motor Connections ................................25
Figure 25 Motor Connections ................................26
Table 1 Wall-Mount Unit Status Messages ............7
Table 2 LC1000/TEC-EYE Passwords (Defaults) ....8
Table 3 Wall-Mount Unit Alarm Index .................10
Table 4 Cooling Pressures .................................19
Table 5A Optional Accessories - Right Hand .........22
Table 5B Optional Accessories - Left Hand ...........23