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INSTALLATION INSTRUCTIONS
HIGH EFFICIENCY
AIR HANDLERS
1.5-5Tons
FEATURING R410A OR R22 REFRIGERANT
RECOGNIZE THIS SYMBOL AS AN INDICATION OF IMPORTANT SAFETY INFORMATION
WARNING
These instructions are intended as an aid to qualified licensed
service personnel for proper installation, adjustment and
operation of this unit. Read these instructions thoroughly before
attempting installation or operation. Failure to follow these
instruction may result in improper installation, adjustment,
service or maintenance possibly resulting in fire, electrical
shock, property damage, personal injury or death.
DO NOT DESTROY THIS MANUAL
Please read carefully and keep in a safe place for future reference by a serviceman.
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Table of Contents
Related Manuals for Trane Oxbox J4HP4018A1
Summary of Contents for Trane Oxbox J4HP4018A1
- Page 1 INSTALLATION INSTRUCTIONS HIGH EFFICIENCY AIR HANDLERS 1.5-5Tons FEATURING R410A OR R22 REFRIGERANT RECOGNIZE THIS SYMBOL AS AN INDICATION OF IMPORTANT SAFETY INFORMATION WARNING These instructions are intended as an aid to qualified licensed service personnel for proper installation, adjustment and operation of this unit.
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Page 2: Table Of Contents
CONTENTS 1. SAFETY.........................2 2. GENERAL......................3 3. APPLICATIONS....................6 4. ELECTRICAL WIRING..................8 5. AIRFLOW PERFORMANCE................10 6. DUCTWORK.....................12 7. REFRIGERANT CONNECTIONS..............12 8. AIR FILTER (NOT FACTORY-INSTALLED)............13 9. FILTER INSTALLATION DIMENSIONS............14 10. WIRING DIAGRAM..................15 Air Handler Features Multi-speed blower motor. Replace piston to TXV easily. Multi-position installation - upflow or horizontal right standard;... -
Page 3: Safety
This document is customer property and is to remain with this unit. WARNING These instructions do not cover all the different variations systems nor The unit must be permanently grounded. Failure to do so can does it provide for every possible contingency to be met in connection result in electrical shock causing personal injury or death. -
Page 4: General
Do not install unit in an area where flammable materials are present CAUTION due to the risk of an explosion resulting in serious injury or death. WARNING Make sure the blower motor If the supporting structural members are not strong enough to take support is tight (3-motor mount the unit’s weight, the unit could fall out of place and cause serious bolts) then check to see if... - Page 5 When the unit is installed in a hot and humid place, If the humidity inside the installation space might exceed 86℉ and RH 80%, it is recommended to insulate the cabinet exterior. Use glass wool or polyethylene foam as insulation so that the thickness is more than 2 in.
- Page 6 2.1 UNIT DIMENSIONS NOTE: 25” CLEARANCE IS REQUIRED IN THE FRONT OF THE UNIT FOR FILTER AND COIL MAINTENANCE. ELECTRICAL CONNECTIONS MAY EXIT TOP OR EITHER SIDE SUPPLY AIR FLANGES ARE PROVIDED FOR FIELD INSTALLATION HIGH VOLTAGE CONNECTION 7/8”, 1-3/8”, 1-3/4” DIA KNOCK OUTS LOW VOLTAGE CONNECTION BREAKER SWITCH (FOR ELECTRIC HEATER ONLY)
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Page 7: Applications
3 APPLICATIONS Using a screwdriver or pencil, lift white plastic tab with hole away from breaker until breaker releases from mounting 3.1 VERTICAL UPFLOW opening. With breaker held in hand, rotate breaker so that “on” position Vertical Upflow configuration is the factory set on all models.See is up, “off”... - Page 8 ENSURE THE RETAINING CHANNEL IS FULLY ENGAGED WITH THE COIL RAIL. DETAIL A RAILS AIRFLOW RAILS Fig.8 VERTICAL DOWNFLOW & HORIZONTAL LEFT APPLICATIONS (lower front service panel removed “view”.) STRAPS REAR WATER CATCHER TOP AIR STOP HORIZONTAL ADAPTER KIT VAPOR LINE CONNECTION LIQUID LINE CONNECTION FRONT WATER CATCHER AUXILIARY HORIZONTAL...
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Page 9: Electrical Wiring
Supply circuit power wiring must be 75°C minimum copper CAUTION conductors only. See Electrical Data in this section for ampacity, wire size and circuit protector requirement. Supply circuit Horizontal units must be configured for right hand air supply or left protective devices may be either fuses or “HACR”... - Page 10 4.4 ELECTRICAL DATA CIRCUIT MAXIMUM CIRCUIT MODEL VOLTAGE HERTZ SPEEDS AMPS. PROTECTOR 208/230 15(A) 208/230 15(A) 208/230 15(A) 4.5 ELECTRIC KIT MCA/MOP DATA MAX.Fuse or Breaker Minimum Heating Air Handler Electric MIN. Circuit Ampacity Heat Kit (HACR) Ampacity Blower Speed Heat(kW) Model Model...
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Page 11: Airflow Performance
5. AIRFLOW PERFORMANCE (OXBOX AIR HANDLERS ARE SUITABLE FOR MOBILE HOME APPLICATIONS) Airflow performance data is based on cooling performance with a coil and no filter in place. Select performance table for appropriate unit size. External static applied to unit allows operation within the minimum and maximum limits shown in table below for both cooling and electric heat operation. - Page 12 CFM Wet Coil without filter and Electric Heat Outdoor Unit Model Motor Speed External Static Pressure-Inches W.C.[kPa] Size(Tons) 0[0] 0.1[.025] 0.2[.050] 0.3[.075] 0.4[0.100] 0.5[0.125] 0.6[0.150] 0.7[0.175] 0.8[0.200] SCFM 1344 1284 1226 1151 1076 Power/W Current/A 1.23 1.26 1.33 1.41 1.50 1.61 1.63 1.61...
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Page 13: Ductwork
6. DUCTWORK 7. REFRIGERANT CONNECTIONS Keep the coil connections sealed until refrigerant connections are Field ductwork must comply with the National Fire Protection made. See the Installation Instructions for the outdoor unit for details Association NFPA 90A, NFPA 90B and any applicable local on line sizing, tubing installation, and charging information. -
Page 14: Air Filter (Not Factory-Installed)
7.1 CONDENSATE DRAIN TUBING Auxiliary drain line should be run to a place where it will be noticeable if it becomes operational. Homeowner should be Consult local codes for specific requirements. warned that a problem exists if water should begin running from the auxiliary drain line. -
Page 15: Filter Installation Dimensions
WARNING Do not operate the system without filters. A portion of the dust entrained in the air may temporarily lodge In the duct runs and at the supply registers. Any circulated dust particles could be heated and charred by contact with the air handler elements. This residue could soil ceilings, walls, drapes, carpets and other articles in the house. -
Page 16: Wiring Diagram
Fig.13 AIR FILTER CLEAN 10.WIRING DIAGRAM 1. To avoid the electrical shock, please connect the air conditioner with the ground lug. The main power plug in the air conditioner has been joined with the ground wiring, please don't change it freely. 2. - Page 17 HIGH VOLTAGE! DISCONNECT ALL POWER BEFORE SERVICING OR INSTALLING THIS UNIT. MULTIPLE POWER SOURCES MAY BE PRESENT. FAILURE TO DO SO MAY CAUSE PROPERTY DAMAGE, PERSONAL INJURY OR DEATH. CAUTION: NOT SUITABLE FOR USE ON SYSTEMS EXCEEDING 150V TO GROUND ATTENTION: NE CONVIENT PAS AUXINSTALLATIONS DE PLUS DE 150V ALA TERRE DIP SWITCH SETTINGS...
- Page 18 HEATER KIT PLUG HEATER KIT PLUG HEATER KIT PLUG HEATER KIT PLUG Wiring is subject to change. Always refer to the wiring diagram on the unit for the most up-to-date wiring.
- Page 19 This coil comes with a factory installed piston metering device. See Table 1 for factory installed piston size. Some system combinations will require a different sized piston to be field installed. Contact your local parts center to order the appropriate MAYORIACHP piston kit for your system combination.
- Page 20 NOTE: Since the manufacturer has a policy of continuous product and product data improvement, if the system combination you are looking for is not listed, check for the latest version of this document at www.OXBOXHVAC.com. Table 3 . Optional TXV kit part numbers. Some combinations may require a TXV. See AHRI for system combination ratings.