ClimateMaster HCLA2090CAR, Installation Instructions Manual

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TABLE OF CONTENTS
(continued)
3.12 Air-flow................................................................................................................. 24
3.12.1 Drive Package Data ...................................................................................... 25
3.12.2 Air-Flow Performance Data............................................................................ 26
3.12.3 Component Air-Resistance Data.................................................................... 27
3.12.4 Selecting The Proper Blower Drive & Motor Sheave Setting......................... 27
3.12.5 Field Supplied Blower Drives.......................................................................... 27
3.12.6 Adjusting The Variable Pitch Motor Sheave................................................... 27
3.12.7 Drive Belt Alignment & Adjustment................................................................. 28
4.0 Start-Up...................................................................................................................... 28
4.1 Pre-Start Checklist................................................................................................. 28
4.2 System Start-Up & Operational Check-Out........................................................... 28
4.3 Checking Indoor Air-Flow Rate............................................................................. 29
4.3.1 Estimating Air-Flow Rate Using External Static Pressure................................ 29
4.3.2 Estimating Air-Flow Rate Using Electric Heat Temperature Rise..................... 29
4.3.3 Correcting Electric Heat Kw For Voltage.......................................................... 29
4.3.4 Calculating Electric Heat Capacity In Btu........................................................ 29
4.4 Checking Refrigerant Charge................................................................................ 29
4.5 Sequence Of Operation......................................................................................... 30
4.5.1 Cooling & Heat Pump Heating Modes.............................................................. 30
4.5.2 Electric Heat Mode........................................................................................... 30
4.5.3 Supplemental Heating During The Heat Pump Heating & Defrost Modes....... 30
4.5.4 Emergency Heat (Heat Pump)......................................................................... 30
4.5.5 Thermostat Fan Setting.................................................................................... 30
5.0 Field Installed Accessories & Kits.......................................................................... 31
5.1 Electric Resistance Heater Kits............................................................................. 31
5.2 Mixing Box Kits..................................................................................................... 32
5.3 Discharge Plenum, Discharge Grille, & Inlet Grille Kits........................................ 34
5.4 Filter Frame Kits.................................................................................................... 35
5.5 Hot Water & Steam Coils....................................................................................... 36
6.0 Maintenance............................................................................................................... 37
6.1 Air-Filters................................................................................................................ 37
6.2 Coil, Drain Pan, Drain Line................................................................................... 37
6.3 Blower Lubrication & Cleaning.............................................................................. 37
6.4 Blower Shaft Bearings, Bearing Collar Set Screws, Blower Wheel, Sheaves, &
Blower Drive Belt(S).............................................................................................. 37
6.5 Motor Replacement............................................................................................... 37
6.6 Replacement Parts................................................................................................ 37
7.0 Diagnostics................................................................................................................ 38
8.0 Wiring Diagram.......................................................................................................... 39