Manual 2100-725C
Page
2 of 39
General Information ...........................................4
Air Conditioning System ................................ 4
Wall-Mount Air Conditioner Units ................... 4
General ........................................................ 4
Shipping Damage ......................................... 4
Additional Publications ................................. 4
Using the TEC-EYE
TM
...........................................6
TEC-EYE Hand-Held Diagnostic Tool ............... 6
TEC-EYE Screen Structure and
Password
Level ....................................... 7
TEC-EYE
Acronyms ................................. 7
Status
Screen ......................................... 7
Quick
Menu............................................ 8
Setpoints ......................................... 8
Information ...................................... 8
Alarm
Log ........................................ 8
Addressing Wall-Mount Units ................... 9
Setting Unit Zone ................................... 9
Additional
Features ................................. 9
Software
Versioning
Guide ................. 9
Model/Serial
Number
Retain .............. 9
Model/Number
Verification ................. 9
Time/Date/Timezone
Sync .................. 9
Executing a Self Test ............................. 10
Parameter
Description ..................... 10
Changing Free Cooling Type ................... 10
Entering Model/Serial Number ............... 10
Alarms .................................................................11
Acknowledging/Clearing Alarms .................... 11
Clearing
Alarms .................................... 11
Clearing Alarm Logs .............................. 11
Alarm Adjustment ....................................... 11
Mixed Air Alarm .................................... 11
Refrigerant Low Pressure ....................... 12
Refrigerant High Pressure ...................... 12
Economizer
Damper .............................. 12
Freezestat ............................................ 13
Control Operation .............................................14
On/Off Control ............................................ 14
Blower Control ............................................ 14
Balanced Climate Mode ............................... 14
Balanced Climate Enable/Disable ........... 14
Temperature Control .................................... 15
Cooling Sequence – Economizer Available .. 15
Cooling Sequence – Economizer N/A ....... 15
Heating
Sequence ................................. 16
Free Cooling ............................................... 16
Economizer
Disable ............................... 16
Economizer
Enable ............................... 17
None ............................................. 17
Drybulb
Only .................................. 17
Temperature and Humidity (Default) .. 17
CONTENTS
Enthalpy ........................................ 17
Economizer
Modulation ......................... 17
Emergency Cooling ..................................... 18
Unit Disable ............................................... 18
Compressor ................................................ 18
Enable ................................................. 18
Delays and Run Time............................. 18
Electric Reheat Dehumidification ................. 18
General Refrigerant Information ...................22
General
..................................................... 22
Topping Off System Charge .......................... 22
Safety Practices .......................................... 22
R410A Refrigerant Charge ........................... 22
Componentry .....................................................24
High Pressure Switch .................................. 24
Three Phase Scroll Compressor
Start Up Information ................................... 24
Phase Monitor ............................................ 24
Condenser Fan Operation ............................. 24
Low Ambient Control ................................... 24
Compressor Control Module (CCM) ............... 24
Delay-on-Make
Timer ............................. 24
Short Cycle Protection/Delay-on-Break .... 25
High Pressure Detection ........................ 25
Test
Mode ............................................ 25
Brownout Protection w/Adjustment ............. 25
Pressure Service Ports ................................. 26
Outdoor Fan Motor ...................................... 26
Maintenance and Troubleshooting ...............28
Standard Maintenance Procedures ............... 28
Removal of Fan Shroud ............................... 28
Filters ........................................................ 29
Filter
Removal/Installation ..................... 29
Switching Filter Sizes ............................ 29
Dirty Filter Switch .......................................... 31
Dirty Filter Switch Adjustment ................... 32
Troubleshooting Nidec SelecTech ECM Motors .. 33
8301-057 Airflow Differential/
Dirty Filter Switch ....................................... 35
8301-067 Outdoor Temperature/Humidity
Sensor
..................................................... 35
8408-044 Return Air Sensor/
Suction Sensor ........................................... 38
Alarm Index .......................................................39
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 ............................ 8
Figure 5 Cooling and Heating Setpoints .......... 8
