2
IMPORTANT SAFETY INFORMATION .......................3
REQUIREMENTS & CODES .......................................3
GENERAL INFORMATION ..........................................4
Before You Install this Unit .........................................4
Locating the Air Handler ............................................4
Minimum Clearances .................................................4
Operation of Air Handler During Construction ...........4
Installation in a Garage .............................................5
Plenums & Air Ducts .................................................5
Unconditioned Spaces ...........................................5
Air Filters ................................................................5
Acoustical Duct Work .............................................5
AIR HANDLER INSTALLATION ..................................6
Packaging Removal ...................................................6
Mounting Applications ...............................................6
Upflow Installations ...................................................6
Downflow Installations ...............................................6
Horizontal Installations ..............................................7
Horizontal Left Installations ....................................7
Horizontal Right Installations .................................7
Circuit Breaker Cover Installation ..............................8
Refrigerant Line Connections ....................................8
Orifice removal & Installation .................................9
Connecting the Linsets ..........................................9
Condensate Drainage ............................................10
ELECTRICAL CONNECTIONS .................................11
Pre-Electrical Checklist ...........................................11
Line Voltage .............................................................11
Grounding................................................................11
Thermostat Connections .........................................11
Control Board ..........................................................12
Twinning ...............................................................12
Heater Kits...............................................................13
Electronic Air Cleaner..............................................13
Humidifier ................................................................13
Optional Humidistat .................................................13
STARTUP & ADJUSTMENTS ...................................13
Before You Start the Unit .........................................13
Refrigerant Charging ...............................................14
Air Circulation ..........................................................14
Running the Blower Continuously ........................ 14
Selecting Continuous Low Spd Fan Operation .... 14
Turning the Blower Off..........................................14
System Cooling ....................................................14
System Heating ....................................................14
Selecting minimum Electric Heat Airflow ..............14
Blower Configurations .............................................14
Determining Nominal System Capacity ...............14
3-Speed Units ......................................................14
High Efficiency Units (Var. & Fixed Speed) ..........15
Selecting Basic Heating Airflow ...........................15
Selecting Basic Cooling / Heat Pump Airflow ....... 15
Dehumidification Options ........................................15
UNIT MAINTENANCE ................................................16
TROUBLESHOOTING ...............................................16
FIGURES & TABLES .................................................17
Figure 12. HMG**F1E, HMG**X1E &
HCG**V1E Physical Dimensions ........17
Figure 13. Air Handler Components .....................18
Airflow Data .............................................................19
Table 5. HMG**F1E Air Handlers .........................19
Table 6. HMG**X1E Air Handlers .........................20
Table 7. HMG**X1E Air Handlers (Heat Only) ......21
Table 8. HCG**V1E Air Handlers (Cool Only) ......21
Table 9. HCG**V1E Airflow Settings ....................22
Electrical Diagrams & Data .....................................23
Figure 14. Single Stage Control Board ................23
Figure 15. Two-Stage Control Board ....................23
Figure 16. Fixed Speed Control Board .................24
Figure 17. Variable Speed Control Board .............24
Figure 18. HMG**F1E Wiring Diagram .................25
Figure 19. HMG**X1E Wiring Diagram ................26
Figure 20. HCG**V1E Wiring Diagram .................27
Table 10. HMG**F1E MCA & MOP Data ..............28
Table 11. HMG**X1E & HCG**V1E
MCA & MOP Data ................................29
Table 12. Control Board Operation .......................30
INSTALLATION / PERFORMANCE CHECKLIST .....32
TABLE OF CONTENTS
