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Genex HW(R)130 Installation Manual

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Thank you for choosing Air handlers, please read this Installation manual carefully before
operation and retain it for future reference.
GENEX reserves the right to interpret this manual which will be subject to any change due
to product improvement without further notice.
GENEX reserves the final right to interpret this manual.
Air handler
Installation Manual
Air handlers

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Summary of Contents for Genex HW(R)130

  • Page 1 Thank you for choosing Air handlers, please read this Installation manual carefully before operation and retain it for future reference. GENEX reserves the right to interpret this manual which will be subject to any change due to product improvement without further notice.

  • Page 3: Table Of Contents

    Contents 1. Safety Precautions ..................1 2. Product Introduction ..................2 2.1 Product Description ..................2 2.2 Physical Dimension ...................2 2.3 Names of Main Parts ..................3 2.4 General Information ..................3 3. Preparative for Installation ................5 3.1 Pre-Installation Instruction .................5 3.2 Important Safety Instructions ..............5 4.
  • Page 4 5.2 Trial Run ....................24 6. Common Malfunction and Elimination ............24 7. Maintenance and Care .................25 7.1 Outdoor Heat Exchanger ................25 7.2 Drain Pipe ....................25 7.3 Notice before Seasonal Use ..............25 7.4 Maintenance after Seasonal Use .............26 7.5 Parts Replacement ...................26 8.

  • Page 5: Safety Precautions

    Air Handler 1. Safety Precautions Improper installation, adjustment, alteration, service, maintenance, or use can cause explosion, fire, electrical shock, or other conditions which may cause death, personal injury, or property damage. Consult a qualified installer, service agency, or your distributor or branch for information or assistance.

  • Page 6: Product Introduction

    2. Product Introduction 2.1 Product Description The GENEX HW(R)130 Condensing Unit and HNF Multi-Position Air Handler offer the perfect combination of superior product quality, operating efficiency, operating sound levels and value for money. The Condensing Unit uses the environmentally friendly refrigerant R410A, which is chlorine- free to help prevent damage to the ozone layer.

  • Page 7: Names Of Main Parts

    Air Handler 2.3 Names of Main Parts Electric Box Assay Centrifugal Fan Fan Motor Secondary Drain Pan Evaporator Assy Primary Drain Pan Fig. 2 2.4 General Information Table 2 SCFM Electric Heater (kw) Model No. Cooling Capacity HNF13018/A-D 1.5 Ton 0-10 HNF13024/A-D 2.0 Ton...
  • Page 8 Air Handler Table 3 Filters Model No. Filter size (inch / mm) HNF13018/A-D 16"×20"×5/8"/406×508×15 HNF13024/A-D 16"×20"×5/8"/406×508 ×15 HNF13030/A-D 16"×20"×5/8"/406×508×15 HNF13036/A-D 19-5/16"×20-5/16"× 5/8"/490×516×15 HNF13042/A-D 19-5/16"×20-5/16"×5/8"/490×516×15 HNF13048/A-D 23"×20-5/16"× 5/8"/585×516×15 HNF13060/A-D 23"×20-5/16"×5/8"/585×516×15 Table 4 Net Wt / Gross Net Wt / Gross Wt Model No.

  • Page 9: Preparative For Installation

    Air Handler 3. Preparative for Installation 3.1 Pre-Installation Instruction 3.1.1 Checking Product Received After receiving the product, please check if there is any damage caused by transportation. Shipping damage is the responsibility of the carrier. Verify the model number, specifications and accessories are correct prior to installation.
  • Page 10 Air Handler to follow these regulations may harm the enviroment and can lead to the imposition of substantial fines. These regulations may vary due to the passage of laws. A certified technician must perform the installation and service of this product. Should questions arise, contact your local epa office. WARNING: Due to high system pressure and electrical shock in potential, installation and service work can be dangerous.

  • Page 11: Installation

    Air Handler 4. Installation 4.1 Unit Inspection Upon delivery, inspect the unit for damage. Any damage must be reported immediately to the carrier. Do not install such an equipment damaged by freight which determines the integrity and safety of the unit. Please check the equipment model number to ensure the unit is appropriately sized for the condensing unit.

  • Page 12: Piping Work

    Air Handler 4.3 Piping Work 4.3.1 Specification of Connection Pipe Table 6 External Diameter (inch) Model Gas Pipe(in) Liquid Pipe(in) HNF13018/A-D HNF13024/A-D HNF13030/A-D HNF13036/A-D HNF13042/A-D HNF13048/A-D HNF13060/A-D 1 1/8 4.3.2 Piping Preparation All cut ends are to be round, burr free, and cleaned. Failure to follow this practice increases the chances for refrigerant leakage.

  • Page 13: Special Instructions

    Air Handler 4.3.3 Pipe Connection This air handler comes with a plastic accessory bag which contains: piston, tailpiece and white teflon seal. Please refer to table7 to verify the piston size before installation. Table 7 PISTON KIT CHART OUTDOOR UNIT INDOOR UNIT INDOORS PISTON SIZE(inch) PISTON KIT PART NO.
  • Page 14 Air Handler (10) Replace suction line grommet. 13/16" NUT 9/16" NUT Schneider valve and white teflon seal Fig. 5 Flowrator Piston 13/16" NUT Tailpiece White teflon seal Fig. 6 Cap closure Suction line Rubber grommet Fig. 7 Note: The tightening torque of the 13/16 screw nut shall not be more than 30N·m.

  • Page 15: Drain Pan Refit

    Air Handler 4.5 Drain Pan Refit Based upon the actual conditions, if the unit is installed as per Fig.3, there is no need to adjust the drain pan; otherwise, the auxiliary drain pan is required to be refitted on the opposite side. The following instruction shows how to refit the auxiliary drain pan from left to right side of the unit.

  • Page 16: Condensate Removal

    Air Handler 4.6 Condensate Removal The drain pan has primary and secondary drain connection (Figure 8). Condensate removal is performed by attaching a 3/4” PVC pipe to the evaporator coil pan and terminated in accordance with local or state Plumbing/HVAC codes. The installation must include a “P” style trap that is located closely to the evaporator coil.
  • Page 17 Air Handler The heating mode temperature rise is dependent upon the system airflow, the supply voltage, and the heater kit size (KW) selected. Use Tables 8-10 to determine the temperature rise(ºF). N/ATable 8 HEATER KIT NOMINAL KW 1000 1200 1400 1600 1800 230/1/60 Supply Voltage-Temperature Rise Table ºF...
  • Page 18 Air Handler Note: The Temperature Rise Tables can also be used to determine the air handler airflow delivery. When using these tables for this purpose, set the room thermostat to maximum heat and allow the system to reach steady state conditions. Set two thermometers, one in the return air inlet and the other one in the supply air outlet.

  • Page 19: Electrical Supply Wire And Mop

    Air Handler 4.9 Electrical Supply Wire and MOP WARNING: More than one disconnect may exist. Failure to observe this warning may result in an electrical shock that can cause personal injury or death. WARNING: To avoid the risk of the fire or equipment damage, only use copper conductors. Before servicing or installing this equipment, the electrical power to this unit must be in “off”...
  • Page 20 Air Handler 4.9.2 Wire Sizing Wire size is important to the operation of your equipment. Use the following check list when selecting the appropriate wire size for your unit. Wire size must carry the Minimum Circuit Ampacity (MCA). Table 13 Max.
  • Page 21 Air Handler Note: Minimum Circuit Ampacity includes the Blower Motor Full Load Amps ① Wire size allows for no more than a 2% voltage drop from the building breaker/fuse panel to ② the unit. Refer to the latest edition of the National Electric Code (NEC) in USA or the Canadian Electric Code (CSA) in Canada when determining the correct wire size.

  • Page 22: Low Voltage Connections

    Air Handler the HNRd Installation Manual and wiring diagram. Low Voltage Connections Several combinations of low voltage schemes are available, depending on the presence of a heater kit and whether the heater kit is single-stage or multi-stage. The low voltage connections are determined by whether the outdoor unit is a condenser or heat pump.
  • Page 23 Air Handler SEE NOTE 2 LEGEND SEE NOTE 2 CB-CIRCUIT BREAKER GROUND HS-HEAT SEQUENCER GROUND HS-1 HS-1 HEAT STRIP-2 LS1- TEMPERATURE LIMIT HEAT STRIP-1 SWITCH LS1-2 LS2-2 LS1-1 LS2-1 HS-1 HEAT STRIP-1 LS2- THERMAL FUSE HS-1 XFMR-TRANSFORMER LS1-1 LS2-1 X1-QUICK CONNECTION PLUG 24RD C-FAN CAPACITOR HS-1...
  • Page 24 Air Handler SEE NOTE 2 SEE NOTE 2 GROUND GROUND HS-2 HEAT STRIP-4 LEGEND HS-2 HEAT STRIP-3 CB-CIRCUIT BREAKER LS1-4 LS2-4 LS1-3 LS2-3 HS-2 HS-HEAT SEQUENCER HS-1 HEAT STRIP-3 HEAT STRIP-2 LS1- TEMPERATURE LIMIT SWITCH LS1-3 LS2-3 LS2-2 LS1-2 HS-1 LS2- THERMAL FUSE HEAT STRIP-2 HS-1...
  • Page 25 Air Handler SEE NOTE 2 SEE NOTE 2 GROUND GROUND HS-2 HEAT STRIP-4 LEGEND HS-2 HEAT STRIP-3 CB-CIRCUIT BREAKER LS1-4 LS2-4 LS1-3 LS2-3 HS-HEAT SEQUENCER HS-2 HS-1 HEAT STRIP-3 HEAT STRIP-2 LS1- TEMPERATURE LIMIT SWITCH LS1-3 LS2-3 LS1-2 LS2-2 LS2- THERMAL FUSE HS-1 HEAT STRIP-2 HS-1...
  • Page 26 Air Handler 4.9.6 Thermostat Wiring Fig. 17 Fig. 18 Note: The signal line of the wired controller must be separated from the power line and the connecting line between the indoor unit and the outdoor unit.

  • Page 27: Installation Check And Trial Run

    Air Handler 5. Installation Check and Trial Run 5.1 Checking Items after Installation Table 15 Problems might happen due to Items to be checked Check improper installation Check if each parts of the unit have been The unit might fall off, vibrate or emit installed reliably.

  • Page 28: Trial Run

    Too much heat source in the room. Reduce heat source. Filter screen is blocked by dirt. Clean the filter. Note: If reasons are still unclear after checking above items, please contact GENEX service center and show phenomena and models.

  • Page 29: Maintenance And Care

    Air Handler Following circumstances are not malfunction Table 17 “Malfunction” Reason When unit is started immediately after it Overload protection switch makes it run is just turned off. after 3 minutes delay. Unit doesn’t run When power is turned on. Standby operating for about 1minute Mist comes from Under cooling...

  • Page 30: Maintenance After Seasonal Use

    Air Handler 7.4 Maintenance after Seasonal Use (1) Cut off main power supply of the unit. (2) Clean filter screen and indoor and outdoor units. (3) Clean the dust of sundries on the indoor and outdoor units. (4) In the event of rusting, use the anti-rust paint to stop spreading of rust. 7.5 Parts Replacement Purchase parts from local appointed service center or dealer if necessary.

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