Comfort-Aire FMG****F1E Series - Manual (Page 2)

2
TABLE OF CONTENTS
IMPORTANT SAFETY INFORMATION .......................2
REQUIREMENTS & CODES .......................................3
GENERAL INFORMATION ..........................................3
Before You Install this Unit .........................................3
Locating the Air Handler ............................................3
Minimum Clearances .................................................4
Operation of Air Handler During Construction ...........4
Installation in a Garage .............................................4
Plenums & Air Ducts .................................................4
Acoustical Duct Work .............................................5
Unconditioned Spaces ...........................................5
Filter Requirements ...................................................5
AIR HANDLER INSTALLATION ..................................5
Packaging Removal ...................................................5
Mounting Applications ...............................................5
Connecting Refrigerant Tubing ..................................5
System Depressurization .......................................6
Connecting the Linsets ..........................................6
Condensate Drainage ..............................................7
ELECTRICAL WIRING .................................................8
Line Voltage ...............................................................8
Grounding..................................................................8
Thermostat Connections ...........................................8
Selecting Continuous Low Speed Fan Operation ......8
Configuring Blower Speed for Multi Speed Units ......8
STARTUP & ADJUSTMENTS ...................................10
Before You Start the Unit .........................................10
Refrigerant Charging ...............................................10
Air Circulation ..........................................................10
Running the Blower Continuously ........................ 10
Turning the Blower Off..........................................10
System Cooling ....................................................10
System Heating ....................................................10
UNIT MAINTENANCE ................................................11
TROUBLESHOOTING ...............................................11
FIGURES & TABLES ................................................. 12
Figure 4. Physical Dimensions ............................. 12
Table 5. FMG Specifications ................................. 12
Table 6. Blower Performance Data ....................... 13
Electrical Data & Diagrams Diagrams ..................... 13
Table 7. Control Board Operation .........................13
Figure 5. FMG 5KW (1.5, 2, & 2.5 Ton) ................ 14
Figure 6. FMG 8KW/10KW (1.5, 2, & 2.5 Ton) ..... 15
Figure 7. FMG 5KW/036 (3 Ton) .......................... 16
Figure 8. FMG 8KW/10KW (3 Ton)....................... 17
Location of Air Handler Components ...................... 18
Figure 9. Air Handler Components ....................... 18
INSTALLATION / PERFORMANCE CHECKLIST ..... 20
IMPORTANT SAFETY INFORMATION
INSTALLER: Please read all instructions before servicing
this equipment. Pay attention to all safety warnings and
any other special notes highlighted in the manual. Safety
markings are used frequently throughout this manual to
designate a degree or level of seriousness and should not
be ignored.
WARNING indicates a potentially hazardous
situation that if not avoided, could result in personal injury
or death.
CAUTION indicates a potentially hazardous
situation that if not avoided, may result in minor or moderate
injury or property damage.
WARNING:
FMG Air Handlers leave the factory with a
nitrogen holding charge. Use caution when
preparing coils for field connections. If repairs
make it necessary for evacuation and charging,
it should only be attempted by qualified,
trained personnel thoroughly familiar with this
equipment. Some local codes require licensed
installation service personnel to service this
type of equipment. Under no circumstances
should the equipment owner attempt to install
and/or service this equipment. Failure to comply
with this warning could result in equipment
damage, personal injury, or death.
NITROGEN
HEALTH
FLAMMABILITY
REACTIVITY
0 Minimal Hazard 1 Slight Hazard
1
0
0
WARNING:
ELECTRICAL SHOCK, FIRE OR EXPLOSION
HAZARD
Failure to follow safety warnings exactly could
result in serious injury or property damage.
Improper servicing could result in dangerous
operation, serious injury, death or property
damage.
• Before servicing, disconnect all electrical power
to air handler.
• When servicing controls, label all wires prior
to disconnecting. Reconnect wires correctly.
• Verify proper operation after servicing.