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Manual 2100-723
Page
2 of 39
CONTENTS
Getting Other Information and Publications .... 3
Wall Mount General Information ......................... 4
Air Conditioner Wall Mount Model Nomenclature ..... 4
Shipping Damage ................................................. 4
General ............................................................... 4
Duct Work ........................................................... 5
Filters ................................................................. 5
Filter Removal/Installation ................................. 5
Switching Filter Sizes ....................................... 5
Fresh Air Intake ................................................... 7
Condensate Drain ................................................ 7
Installation ............................................................... 8
Basic Installation Design and Application Planning .. 8
Wall Construction ............................................. 8
Outdoor Area Inspection .................................... 8
Condensate Water Drainage ............................... 8
Indoor Ducted and Non-Ducted Applications ........... 8
Indoor Supply Airflow ........................................ 8
Indoor Return Airflow ........................................ 8
Ducted Applications ......................................... 8
Free Blow Applications...................................... 9
Thermostat or Indoor Temperature Sensor
Placement ....................................................... 9
Unit Installation ................................................... 9
Materials/Tool List ............................................ 9
Wall Preparation ............................................. 10
Wall Mount Installation to Wall Surface ............ 10
Wiring – Main Power ........................................... 17
High Voltage Connections ................................ 17
Wiring – Low Voltage ........................................... 18
Low Voltage (24VAC) Connections .................... 18
Unit Shutdown Feature ................................... 18
Balanced Climate
TM
Feature ............................. 18
Start Up ................................................................... 22
General ............................................................. 22
Topping Off System Charge ................................. 22
Safety Practices ................................................. 22
Important Installer Note ...................................... 22
High Pressure Switch .......................................... 22
Three Phase Scroll Compressor Start Up
Information ........................................................ 22
Phase Monitor .................................................... 23
Condenser Fan Operation .................................... 23
Service Hints ..................................................... 23
Sequence of Operation ........................................ 23
Balanced Climate
TM
Mode ................................ 23
Vent Connection Plug .......................................... 24
Compressor Control Module ................................. 24
Features ........................................................ 24
Delay-on-Make Timer ...................................... 24
Short Cycle/Delay-on-Break ............................. 24
Low Pressure Detection ................................... 25
High Pressure Detection .................................. 25
Test Mode ...................................................... 25
Brownout Protection with Adjustment ............... 25
Pressure Service Ports ........................................ 25
Service ..................................................................... 26
Troubleshooting Nidec SelecTech Series ECM
Motors ............................................................... 26
If the Motor is Running ................................... 26
If the Motor is Not Running ............................. 26
Model SelecTech Communication Diagnostics ... 27
Fan Blade Setting Dimensions ............................. 28
R-410A Refrigerant Charge ................................. 28
Removal of Fan Shroud ....................................... 28
Setting Unit Airflow ............................................ 32
Blower Speeds ............................................... 32
Speed Tap 1 – Vent/Blower Only .................. 33
Speed Tap 2 – Balanced Climate ................. 33
Speed Tap 3 – Default LO Cooling &
Heating ............................... 33
Speed Tap 4 – Optional MED Cooling &
Heating ............................... 33
Speed Tap 5 – Optional HI Cooling &
Heating ............................... 33
FIGURES
Figure 1 Front Control Panel Cover ...................... 5
Figure 2 Removing Left Filter .............................. 5
Figure 3 Removing Second Filter ......................... 5
Figure 4 Filter Tabs in Down Position ................... 6
Figure 5 Bend FIlter Tabs to Up Position .............. 6
Figure 6 Remove Four Screws ............................. 6
Figure 7 Re-Install Filter Support Brackets into
Upper Slots .......................................... 6
Figure 8 Install Right 1" Filter ............................. 6
Figure 9 Install Left 1" Filter ............................... 6
Figure 10 Fresh Air Damper .................................. 7
Figure 11 Vent Installation/Removal Clearance
Required ............................................ 11
Figure 12 Unit Dimensions ................................. 12
Figure 13 Mounting Instructions.......................... 13
Figure 14 Electric Heat Clearance ....................... 14
Figure 15 Wall Mounting Instructions .................. 15
Figure 16 Wall Mounting Instructions .................. 15
Figure 17 Common Wall Mounting Installations .... 16
Figure 18 High Voltage Connections .................... 17
Figure 19 Programmable Thermostat
Connections ....................................... 20
Figure 20 Non-Programmable Thermostat
Connections ....................................... 21
Figure 21 8201-164 Compressor Control Module ...24
Figure 22 Motor Connections .............................. 26
Figure 23 Motor Connections .............................. 27
Figure 24 Fan Blade Setting ............................... 28
Figure 25 Fan Shroud Removal ........................... 28
Figure 26 Speed Taps ......................................... 32
Figure 27 Speed Taps ......................................... 33