COMFORT-AIRE HMG F1E Series Installation Instructions Manual
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COMFORT-AIRE HMG F1E Series Installation Instructions Manual

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AIR HANDLER
INSTALLATION INSTRUCTIONS
HMG**F1E, HMG**X1E & HCG**V1E Series
Please read all information in this manual thoroughly and become familiar with the capabilities
and use of your appliance before attempting to operate or maintain this unit. These instructions
are primarily intended to assist qualified individuals experienced in the proper installation of
this appliance. Some local codes require licensed installation/service personnel for this type
of equipment. Improper installation, service, adjustment, or maintenance may cause explosion,
fire, electrical shock or other hazardous conditions which may result in personal injury or
property damage.
Unless otherwise noted in these instructions, only factory authorized kits or accessories may
be used with this product. Keep this manual where you have easy access to it in the future. If a
problem occurs, check the instructions and follow recommendations given. If these suggestions
don't eliminate your problem, call your servicing contractor.
IMPORTANT
DO NOT DESTROY. PLEASE READ CAREFULLY AND
KEEP IN A SAFE PLACE FOR FUTURE REFERENCE.

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Summary of Contents for COMFORT-AIRE HMG F1E Series

  • Page 1 AIR HANDLER INSTALLATION INSTRUCTIONS HMG**F1E, HMG**X1E & HCG**V1E Series IMPORTANT Please read all information in this manual thoroughly and become familiar with the capabilities and use of your appliance before attempting to operate or maintain this unit. These instructions are primarily intended to assist qualified individuals experienced in the proper installation of this appliance.

  • Page 2: Table Of Contents

    TABLE OF CONTENTS IMPORTANT SAFETY INFORMATION .......3 STARTUP & ADJUSTMENTS ........13 Before You Start the Unit .........13 REQUIREMENTS & CODES ........3 Refrigerant Charging ..........14 Air Circulation ............14 GENERAL INFORMATION ..........4 Running the Blower Continuously ......14 Before You Install this Unit .........4 Selecting Continuous Low Spd Fan Operation ..

  • Page 3: Important Safety Information

    IMPORTANT SAFETY INFORMATION WARNING: INSTALLER: Please read all instructions before servicing this equipment. Pay attention to all safety warnings and PROPOSITION 65 WARNING: This product any other special notes highlighted in the manual. Safety contains chemicals known to the state of markings are used frequently throughout this manual to California to cause cancer, birth defects or designate a degree or level of seriousness and should not...

  • Page 4: General Information

    GENERAL INFORMATION Operation of Air Handler During Construction This appliance has been tested for capacity and efficiency CAUTION: in accordance with AHRI Standards and will provide many years of safe and dependable comfort, providing Failure to follow these instructions will void the it is properly installed and maintained.

  • Page 5: Installation In A Garage

    handler must be cleaned and/or repaired if found to as the opening provided on the air handler. The ducts be dirty, damaged, or malfunctioning in any way by should be appropriately sized to the capacity of the air a qualified HVAC technician. The air handler shall be handler to ensure its proper airflow rating.

  • Page 6: Air Handler Installation

    equipment noise eminating from the air handler. These treatments can produce a quieter installation, particularly in the heated space. However, they can increase the pressure drop in the duct system. Care must be taken to maintain the proper maximum pressure rise across the air handler, temperature rise and flow rate.

  • Page 7: Horizontal Installations

    Horizontal Installations suspended using steel straps around each end of the These air handlers can be installed horizontally in an attic, unit. The straps should be attached to the air handler with basement, crawl space or alcove. It can also be suspended sheet metal screws and to the rafters with bolts.

  • Page 8: Circuit Breaker Cover Installation

    7. Insert the plug (from horizontal drain pan) into the open 3. Remove the release paper from the other side of the and unused drain hole in the drain pan at the bottom gasket and attach to the circuit breaker recess area. of the unit to block bypass air.

  • Page 9: Orifice Removal & Installation

    Orifice Removal & Installation 9. Realign the assembly nut on the distributor body and hand tighten both components. Mark a line on both The orifice installed in the air handler has been sized for bodies and then tighten an additional 1/4 turn using two use with the most popularly matched outdoor units.

  • Page 10: Condensate Drainage

    1. Remove grommets from line set holes. 6. Braze the individual connections with dry nitrogen flowing through the joints. NOTE: This will prevent internal oxidation and scaling from occurring. CAUTION: 7. Wrap the refrigerant lines with pressure sensitive neoprene or other suitable material especially where It is recommended that a wet rag be wrapped the lines enter the opening in the sheet metal.

  • Page 11: Electrical Connections

    • Install a single 5 inch trap in the condensate drain line • It is recommended that the line voltage to the unit be as close to the coil as possible. Make sure that the supplied from a dedicated branch circuit containing the top of the trap is below the bottom of the drain pan to correct fuse or circuit breaker for the unit.

  • Page 12: Control Board

    low-voltage wiring between the thermostat, outdoor CAUTION: unit, and control board. NOTE: When the low voltage wires are positioned in this grommet, the grommet will Isolation must be maintained from the external prevent chafing and/or shorting of the low voltage leads. Class 2 output of any transformer in a cooling circuit.

  • Page 13: Heater Kits

    NOTE: Variable speed air handlers cannot be twinned. STARTUP & ADJUSTMENTS Heater Kits WARNING: When electric heat packages with circuit breakers are field-installed, the circuit breaker may be used as a disconnecting means in most applications. Reference NITROGEN the NEC and local codes for disconnect requirements. HEALTH If a heater kit is installed: The HMG**F1E series air handler is shipped from the...

  • Page 14: Refrigerant Charging

    Refrigerant Charging automatically set the heating speed based on the amount The system refrigerant charge can be checked and of installed heat. The remaining 3 HEAT switches have no adjusted through the service ports provided at the front function. Switch settings are listed in Table 6 (page 20) panel of the outdoor unit.

  • Page 15: High Efficiency Units (Var. & Fixed Speed)

    4. Replace the upper door and secure it to the unit. • For maximum dehumidification, select an airflow near the middle or bottom of the range for that nominal capacity. 5. Restore power to the unit. Additional information on humidity control can be found High Efficiency Units (Variable &...

  • Page 16: Unit Maintenance

    UNIT MAINTENANCE FURNACE SIZE (BTUH) FILTER SIZE Proper maintenance is most important to achieve the best 24K & 30K 12 x 20 x 1 performance from a air handler. Some of the components 36K & 42K 18 x 20 x 1 and their locations are shown in Figure 13 (page 18).

  • Page 17: Figures & Tables

    FIGURES & TABLES 3/4” 3/4” 3/4” 13” 11/8” K.O. (typ.) “A” 1 7/8" K.O. 11/4” 15/8” 11/4” 17/8” 3 1/4” 2 5/8” 1 1/8” 1 7/8” 7/8" K.O. 11/8” K.O. (typ.) 1 7/8” 3 5/8” 5 5/8” 13/4” K.O. (typ.) DETAIL “D”...
  • Page 18 Circuit Breaker (60A) Heating Element Assembly Transformer Motor Control Board Blower Control Upper Door Wheel Board Assembly Capacitor Motor Mount Kit Blower Housing Blower Coil Motor Assembly Filter Door Horizontal Vertical Drain Pan Drain Pan Filter Tracks Lower Door Assembly Figure 13.

  • Page 19: Airflow Data

    AIRFLOW DATA Dry Coil ESP 0.10 0.20 0.30 0.40 0.50 0.60 0.70 0.80 Corrected ESP 0.00 0.07 0.19 0.30 0.42 0.53 0.65 0.76 Medium HMG24F1E Corrected ESP 0.00 0.00 0.11 0.23 0.36 0.48 0.60 0.72 High 1072 1026 Corrected ESP 0.00 0.00 0.00...
  • Page 20 Cooling or Heating Airflow (CFM) Switch Settings 0 = OFF, 1 = ON Dry Coil ESP 1/5 2/6 3/7 4/8 HMG24X1E 1030 & 1115 1085 1060 1020 HMG30X1E 1155 1130 1095 1070 1040 1010 1200 1175 1145 1110 1085 1060 1025 1000 1240...
  • Page 21 Nominal Electic Heat KW FURNACE MODELS HMG24X1E & HMG30X1E 1000 1300 HMG36X1E & HMG42X1E 1000 1100 1300 1500 HMG48X1E & HMG60X1E 1000 1100 1200 1400 1600 1800 2000 NOTE: See Table 6 for appropriate switch settings for these airflows. Table 7. Minimum Heating Airflow Settings (in CFM) for HMG**X1E Air Handlers HCG24V1E &...
  • Page 22 Cooling Airflow Heating Airflow COOL Switch Setting Airflow Heater Kit Airflow A/B Switch Setting A/B Switch Setting 0 = OFF, 1 = ON 0 = OFF, 1 = ON 0 = OFF, 1 = ON (CFM) Installed (KW) (CFM) 1000 1000 1300 HCG24V1E...

  • Page 23: Electrical Diagrams & Data

    ELECTRICAL DIAGRAMS & DATA 3A Fuse BLWDTC BLWDTC_R COOL HEAT LED 1 HEATER P1 Figure 14. Single Stage Control Board LED 1 HEATER P1 Figure 15. Two - Stage Control Board...
  • Page 24 TEST PORT EXPANSION PORT FAN SPEED 1 2 3 4 5 6 7 8 COOL HEAT STATUS BLOWER MOTOR Figure 16. Fixed Speed Motor Control Board STATUS LIGHTS L2-IN L2-OUT Y/Y2 L1-IN L1-OUT DEHUM FAN SPEED 2 3 4 5 6 7 8 TEST PORT COOL HEAT...
  • Page 25 RELAY Figure 18. Wiring Diagram for HMG**F1E Series Air Handler...
  • Page 26 BLUE BLUE GREEN GREEN YELLOW YELLOW ORANGE ORANGE BROWN BROWN EXPANSION HEATER PLUG Figure 19. Wiring Diagram for HMG**X1E Series Air Handler...
  • Page 27 WHITE BLACK 1 2 3 4 5 6 1 2 3 4 5 6 7 8 9 1 2 3 4 5 6 7 8 9 1 2 3 4 5 6 EXPANSION HEATER PLUG Figure 20. Wiring Diagram for HCG**V1E Series Air Handler...
  • Page 28 HMG**F1E SERIES 240 VAC, 50 & 60 HZ, SINGLE PHASE 208 VAC, 50 & 60 HZ, SINGLE PHASE HEAT KIT AIR HANDLER MODEL MODEL NUMBER H6HK- None 005H-XX 26.6 26.6 23.3 23.3 HMG24F1E 008H-XX 41.2 41.2 35.9 35.9 010H-XX 51.6 51.6 45.0 45.0...

  • Page 29: Mca & Mop Data

    HMG**X1E & HCG**V1E 240 VAC, 50 & 60 HZ, SINGLE PHASE 208 VAC, 50 & 60 HZ, SINGLE PHASE HEAT KIT AIR HANDLER MODEL MODELS NUMBER H6HK- None HMG24X1E 005H-XX 29.5 29.5 26.4 26.4 HMG30X1E 008H-XX 44.1 44.1 39.1 39.1 &...
  • Page 30 CONTROL SIGNAL & MODE OPERATION TOTAL KW BOARD ACTION Stage 1 Heat on instantly 5 KW Heat blower on after 3 second delay Stage 1 Heat on instantly 10 KW Heat blower on after 3 second delay Stage 2 Heat on after 5 seconds delay Stage 1 Heat on instantly Heat blower on after 3 second delay 15 KW...
  • Page 31 CONTROL SIGNAL & MODE OPERATION TOTAL KW BOARD ACTION Stage 1 Heat on instantly 5 KW Cool blower on after 3 second delay Stage 1 Heat on instantly 10 KW Cool blower on after 3 second delay Stage 2 Heat on after 5 seconds delay Stage 1 Heat on instantly Cool blower on after 3 second delay 15 KW...

  • Page 32: Installation / Performance Checklist

    INSTALLATION / PERFORMANCE CHECK LIST INSTALLER NAME: ELECTRICAL SYSTEM: Electrical connections tight? CITY: STATE: Line voltage polarity correct? _______ Supply Voltage: ____________________________ INSTALLATION ADDRESS: Has the thermostat been calibrated? CITY: STATE: Is the thermostat level? UNIT MODEL # Is the heat anticipator setting correct? UNIT SERIAL # ATTENTION INSTALLERS: Minimum clearances per page 4?

This manual is also suitable for:

Hmg x1e seriesHcg v1e seriesHmg36f1mHmg30f1mHmg60f1eHmg48f1e ... Show all

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