Carrier 40FKA Installation Instructions Manual
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Carrier 40FKA Installation Instructions Manual

Carrier 40FKA Installation Instructions Manual

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NOTE: Read the entire instruction manual before starting the
installation.
This symbol → indicates a change since the last issue.
SAFETY CONSIDERATIONS
Improper installation, adjustment, alteration, service, maintenance,
or use can cause explosion, fire, electrical shock, or other
conditions which may cause personal injury or property damage.
Consult a qualified installer, service agency, or your distributor or
branch for information or assistance. The qualified installer or
agency must use factory-authorized kits or accessories when
modifying this product. Refer to the individual instructions pack-
aged with kits or accessories when installing.
Follow all safety codes. Wear safety glasses and work gloves. Use
quenching cloth for brazing operations. Have fire extinguisher
available. Read these instructions thoroughly and follow all
Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.
Book 1 4
PC 101
Catalog No. 534–017
Tab 3d 2e

Installation Instructions

40FKA FAN COIL
Fig. 1—Comfort Heat Pump system
Printed in U.S.A.
Comfort Heat Pump System
warnings or cautions attached to the unit. Consult local building
codes and National Electrical Code (NEC) for special require-
ments.
Recognize safety information. This is the safety-alert symbol
When you see this symbol on the unit and in instructions manuals,
be alert to the potential for personal injury.
Understand the signal words DANGER, WARNING, CAUTION,
and NOTE. These words are used with the safety-alert symbol.
DANGER identifies the most serious hazards which will result in
severe personal injury or death. WARNING signifies hazards
which could result in personal injury or death. CAUTION is used
to identify unsafe practices which would result in minor personal
injury or product and property damage. NOTE is used to highlight
suggestions which will result in enhanced installation, reliability,
or operation.
THERMIDISTAT ™
CONTROL
OUTDOOR TEMPERATURE SENSOR
Form 40FK-7SI
40FKA
002-006
Pg 1
3-02
Replaces: 40FK-5SI
.
A98049

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Summary of Contents for Carrier 40FKA

  • Page 1: Installation Instructions

    Read these instructions thoroughly and follow all THERMIDISTAT ™ CONTROL OUTDOOR TEMPERATURE SENSOR 40FKA FAN COIL A98049 Fig. 1—Comfort Heat Pump system Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.

  • Page 2: Upflow Installation

    INSTALLATION MODULAR UNITS Step 1—Check Equipment The 40FKA Fan Coil in size 006 is a 2-piece modular unit. Unpack unit and move to final location. Remove carton taking care Modular construction allows installer to disassemble unit into 2 not to damage unit.
  • Page 3 BLOWER BOX 2 SCREWS 2 SCREWS REAR CORNER BRACKET 2 SCREWS COIL BOX A95293 Fig. 3—Modular Unit Assembly 1. Arrange support for unit by setting it in or above secondary 5. Remove horizontal drain pan support bracket from coil condensate pan. support rail on left side of unit and reinstall on coil support rail on right side of unit.

  • Page 4: Downflow Installations

    Instructions supplied with kit for proper installation. For 40FKA 1. Fan coil unit must be secured to the structure using field- unit size 003, use kit Part No. KFADC0201SLP. For 40FKA unit supplied hardware. sizes 002, 005, and 006 use kit Part No. KFADC0401ACL. Use 2.

  • Page 5: Ductwork Acoustical Treatment

    Typical both sides of fan coil. When using 40FKA units with 18-, 20-, 24-, and 30-kw electric b. If fan coil is against wall, secure fan coil to wall stud using heaters, maintain a 1-in. clearance from combustible materials to discharge plenum and ductwork for a distance of 36 in.

  • Page 6: Line Voltage Connections

    COIL FACTORY SHIPPED BRACKET HORIZONTAL LEFT APPLICATION COIL SUPPORT RAIL DRAIN PAN SUPPORT BRACKET COIL BRACKET HORIZONTAL DRAIN PAN PRIMARY DRAIN HORIZONTAL LEFT AIR SEAL ASSEMBLY SECONDARY DRAIN HORIZONTAL LEFT REFRIGERANT CONNECTIONS A00072 Fig. 8—A-Coil in Horizontal Left Application (Factory Ready) Field wires on the line side of the disconnect found in the fan If a disconnect switch is to be mounted on the unit, select a coil unit remain live, even when the pull-out is removed.
  • Page 7 Super Comfort Heat and Super Dehumidify options are possible from incoming power leads. when the 40FKA Fan Coil is installed with an outdoor temperature A factory-authorized disconnect kit is available for installation of sensor (Super Comfort Heat only) and the factory supplied 0- through 10-kw applications.

  • Page 8: Ground Connections

    1. Cut tubing to correct length. SECONDARY 2. Insert tube into sweat connection on unit until it bottoms. 3. Braze with Sil-Fos or Phos-copper. Wrap a wet cloth around rear of fitting to prevent damage to factory-made joints. 4. Evacuate coil and tubing system to 500 microns using deep vacuum method.
  • Page 9 (See Fig. 17 and 19.) The factory setting is AC. (See Fig. 19, C as indicated.) The 40FKA Fan Coil must be configured to operate properly with system components with which it is installed. To successfully AC/HP CFM ADJUST - SELECT MEDIUM, LOW, OR HIGH...

  • Page 10: Filter Kit

    Table 1—Filter Kits PART NUMBER SIZE USED WITH KFAFK0212MED FILTER KIT (12 PACK) KFAFK0312LRG 003, 005 KFAFK0412XXL SEC1 SEC2 EASY SELECT AUX HEAT KW/CFM 0-30 0-20 0-10 1075 AC/HP SIZE SYSTEM TYPE HP-COMFORT HP-EFF AC/HP CFM ADJUST ON/OFF DELAY CONTINUOUS FAN AUX1 HUM1 AUX2...
  • Page 11 2. Airflow can be adjusted +15 percent or -10 percent by selecting HI or LO respectively for all modes except fan only. 3. Dry coil at 230 volts and with 10kw heater and filter installed. 4. Airflows shown are at standard air conditions. Table 3—40FKA Fan Coil Airflow Delivery (CFM) in Heat Pump Only Heating Mode OPERATING MODE Two-Speed...
  • Page 12 1810 2085 1750 1810 2085 * Airflow not recommended for heater/system size. NOTE: LO, NOM, and HI refer to AC/HP CFM ADJUST selection. Table 5—40FKA Minimum CFM for Electric Heater Application HEAT PUMP COIL UNIT HEATER SIZE KW UNIT SIZE...
  • Page 13 Step 10—40FKA Fan Coil Sequence Of Operation electric heaters, remove jumper J2. (See Fig. 17.) The 40FKA will supply airflow in a range which is more than NOTE: If configuring to run warmer heating, do not remove twice the range of a standard fan coil. It is designed to provide jumper J2 when using 5-, 8-, or 10-kw heaters.
  • Page 14 value. If circuit R to G is open (0 vac) for super dehumidify mode, 2. It is normal operation to run noticeably slower if G terminal is the motor delivers reduced airflow to maximize the humidity not energized in cooling or heat-pump modes. removal of the system while minimizing overcooling.
  • Page 15 J1 JUMPER – PULL FOR DEHUMIDIFICATION CONTROL LOW VOLTAGE SCREW TERMINALS J2 JUMPER – PULL FOR HEAT STAGING SEC1 SEC2 DEHUMIDIFICATION INPUT EASY SELECT 24 VAC HOT AUX HEAT KW/CFM 0-30 0-20 0-10 1075 AUXILARY HEAT STAGE 1 AUXILIARY HEAT STAGE 2 AC/HP SIZE LOW SPEED COMPRESSOR SYSTEM TYPE...

  • Page 16: Start-Up Procedures

    The minimum maintenance requirements for this equipment are as follows: Copyright 2002 CARRIER Corp. • 7310 W. Morris St. • Indianapolis, IN 46231 40fk7si Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.

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