Carrier FA4B Instruction Manual Download | Manualshive

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© 2003 CAC/BDP

7310 W. Morris St., Indianapolis, IN 46231

imfa4b02

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Book/Tab:

1/4,3d/2e

Catalog No. 63FA-4B1

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Summary of Contents for FA4B

Page 1: ...se of this the units need special attention in the condensate pan and drain connection area and when brazing tubing These units are available for systems of 18 000 through 60 000 Btuh nominal cooling...

Page 2: ...ith access panels facing up or down The FH4B003 and 004 size units equipped with accessory cooling coils are not approved for horizontal applications All other units are factory built for horizontal l...

Page 3: ...l on coil support rail on right side of unit 6 Convert air seal assembly for horizontal right a Remove air seal assembly from coil by removing 4 screws See Fig 5 b Remove air splitter B from coil seal...

Page 4: ...om Step 10 in the right side of the coil door making sure that the cap snaps and seats cleanly on the back side of the coil door Make sure no insulation interferes with seating of the cap Fig 3 Remova...

Page 5: ...vapor barrier Units equipped with 20 30kw electric heaters require a 1 in clearance to combustible materials for the first 36 in of supply duct Ductwork Acoustical Treatment Metal duct systems that d...

Page 6: ...h located within sight from and readily accessible from the unit Fig 6 A Coil in Horizontal Left Application Factory Ready A00072 A B C FACTORY SHIPPED HORIZONTAL LEFT APPLICATION AIR SEAL ASSEMBLY HO...

Page 7: ...voltage connections between the thermostat the unit and the outdoor equipment If the thermostat is located more than 100 ft from the unit as measured along the low voltage wire use No 16 AWG color co...

Page 8: ...d in control box E Minimum CFM and Motor Speed Selection Units with or without electric heaters require a minimum CFM Refer to the unit wiring label to ensure that the fan speed selected is not lower...

Page 9: ...nection first 1 Cut tubing to correct length 2 Insert tube into sweat connection on unit until it bottoms 3 Braze connection using silver bearing or non silver bearing brazing materials Do not use sol...

Page 10: ...x nut then tighten with wrench 1 2 turn Do not exceed 30 ft lbs PROCEDURE 7 CONDENSATE DRAINS To connect drains the cap openings must be removed Use a knife to start the opening near the tab and using...

Page 11: ...ee Fig 1 2 4 5 and 6 To prevent property damage and achieve optimum drainage performance BOTH primary and secondary drain lines should be installed and include properly sized condensate traps See Fig...

Page 12: ...l as possible See Fig 20 Make sure that the outlet of each trap is below its connection to the condensate pan to prevent condensate from overflowing the drain pan Prime all traps test for leaks and in...

Page 13: ...or W energizes electric heat relay s which completes circuit to heater element s When W is de energized electric heat relay s open turning off heater elements When G is de energized there is a 90 sec...

Page 14: ...d minimize possible equipment failure it is essential that periodic maintenance be performed on this equipment Consult your local dealer as to the proper frequency of maintenance contract Fig 21 Wirin...

Page 15: ...required if filter replacement or cleaning on a monthly basis Fig 23 Wiring Layout of Humidifier to Fan Coil with Electric Heat A95295 R G W Y THERMOSTAT R G W2 W3 E C FAN COIL CONTROL C Y AIR COND HU...

Page 16: ...2003 CAC BDP 7310 W Morris St Indianapolis IN 46231 imfa4b02 16 Book Tab 1 4 3d 2e Catalog No 63FA 4B1...

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