Table of Contents
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Important Safety Information ....................................3
General Information ...................................................4
Before You Install this Unit .........................................4
Locating the Air Handler ............................................4
Field Connections for Electrical Power Supply ..........4
Air Ducts ....................................................................4
Unconditioned Spaces ...........................................4
Acoustical Duct Work .............................................4
Air Handler Installation ..............................................5
Packaging Removal ...................................................5
Minimum Clearance Requirements ...........................5
Horizontal Mounting Applications ..............................5
Vertical Mounting Applications ..................................5
Condensate Drain ....................................................5
Connecting Refrigerant Tubing ..................................5
Filter Requirements ..................................................6
Electrical Wiring ..........................................................7
Pre - Electrical Checklist ...........................................7
Line Voltage ...............................................................7
Thermostat Connections ...........................................7
Electrical Wiring with a Duct Heater ..........................7
Unbalanced 3-Phase Supply Voltage ........................8
Grounding..................................................................8
Startup & Adjustments ..............................................8
Pre - Start Checklist ..................................................8
Motor Sheave Adjustment .........................................8
Pulley Alignment ........................................................9
Belt Tensioning ..........................................................9
Blower Adjustments ...................................................9
Unit Maintenance ........................................................9
Figures & Tables ....................................................... 10
Figure 4. Physical Dimensions - Horizontal .......... 10
Figure 5. Physical Dimensions - Vertical .............. 11
Table 4. Blower Performance Data ....................... 12
Electrical Information ............................................... 13
Figure 6. B5SM Wiring Diagram ........................... 13
Figure 7. Air conditioner T-stat Connections ......... 14
Figure 8. Heat pump T-stat Connections .............. 15
Figure 9. Maintenance Schedule ......................... 16
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