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INSTALLATION INSTRUCTIONS
HIGH EFFICIENCY
AIR HANDLERS
1.5-5Tons J4AH4P SERIES
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.
BX-SVN-J4AH4P-1A-EN
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Table of Contents
Related Manuals for Trane Oxbox J4AH4P24B1A00AA
Summary of Contents for Trane Oxbox J4AH4P24B1A00AA
- Page 1 INSTALLATION INSTRUCTIONS HIGH EFFICIENCY AIR HANDLERS 1.5-5Tons J4AH4P SERIES 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 3: 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 4: 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 5: 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 6 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 7 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 8: 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 9 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 10: 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 11 4.4 ELECTRICAL DATA CIRCUIT MAXIMUM CIRCUIT VOLTAGE HERTZ SPEEDS MODEL AMPS. PROTECTOR 208/230 0.68 15(A) 208/230 0.95 15(A) 208/230 1.48 15(A) 208/230 1.63 15(A) 208/230 2.11 15(A) 208/230 2.11 15(A) 208/230 3.88 15(A) 4.5 ELECTRIC KIT MCA/MOP DATA Fan speed MAX.Fuse or Breaker MIN.
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Page 12: Airflow Performance
Electric Heater Kits Kit# Description Ref. Air Handler use 5kW Heat Strip 18,24,30,36,42,48,60 7.5kW Heat Strip 10kW Heat Strip 15kW Heat Strip, Double Breaker panel 30,36,42,48,60 20kW Heat Strip, Double Breaker panel 36,42,48,60 HEATER MODEL NUMBER DIGITS ‘*’: A , B 5. - Page 13 CFM Wet Coil without filter and Electric Heat Model Motor External Static Pressure-Inches W.C.[kPa] Number Speed 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] 1272 1240 1202 1157 1114 1066 850.3 Watts Current/A 1.99 1.95 1.90 1.86 1.83 1.77 1.62 1.57 1.51...
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Page 14: 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 15: 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 CONDENSATE DRAIN TRAP from the auxiliary drain line. -
Page 16: 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 17: Wiring Diagram
Fig.13 AIR FILTER CLEAN 10.WIRING DIAGRAM handler handler handler handler THERMOSTAT 24RC W1/B Y1 Comp G Fan INDOOR UNIT OUTDOOR UNIT Fig.14 CONTROL WIRING FOR AC SYSTEMS THERMOSTAT W1/B 24RC Y1 Comp G Fan INDOOR UNIT OUTDOOR UNIT Fig.15 CONTROL WIRING FOR HP SYSTEMS... - Page 18 FOR OPT IONAL ELECTRIC HEAT LINE VOLTAGE FACTORY STANDARD FIELD INSTALLED FACTORY OPTIONAL VOLTAGE FACTORY STANDARD FIELD INSTALLED FACTORY OPTIONAL USE COPPER CONDUCTORS ONLY WARNING MOTOR CABINET MUST BE PERMANENTLY GROUNDED AND ALL WIRING TO CONFORM TO I.E.C,N.E.C,C.E.C,C.L.C,AND LOCAL CODES AS APPLICABLE REPLACEMENT WIRE MUST BE THE SAME GAUGE AND INSULATION TYPE AS ORIGINAL WIRE...
- Page 19 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. HIGH VOLTAGE! DISCONNECT ALL POWER BEFORE SERVICING OR INSTALLING THIS UNIT.
- Page 20 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 21 Outdoor Unit Model Indoor Unit Model Piston Size(R410a) J4AC3042A1 0.075 J4AH4P42A1C00A J4AC4042A1 0.075 0.075 factory installed J4HP4042A1 0.075 J4AC3048A1 0.083 J4AH4P48A1C00A J4AC4048A1 0.083 0.083 factory installed J4HP4048A1 0.083 J4AH4P60B1C00A J4AC3060A1 0.090 0.090 factory installed J4AC6048A1 0.083 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.