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Carrier KFFEH Series Installation Instructions Manual

Electric heater packages

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KFFEH
Electric Heater Packages
NOTE: Read the entire instruction manual before starting the
installation.
SAFETY CONSIDERATIONS
Installing and servicing of heating and air conditioning equipment can be
hazardous due to system pressures and electrical components. Only
trained personnel should install or service heating and air conditioning
equipment.
Untrained personnel can perform basic maintenance functions such as
cleaning coils, or cleaning and replacing filters. All other operations
should be performed by trained personnel. When working on heating
and air conditioning equipment, observe precautions in literature, on
tags, and on labels attached to the unit.
Follow all safety codes. Wear safety glasses and work gloves. Have a
fire extinguisher available.
Recognize safety information. This is the safety-alert symbol
you see this symbol on the unit and in instructions or manuals, be alert to
the potential for personal injury.
HEATER
kW
PART NO.
@ 240V
KFFEH8401N03
3
KFFEH8501N05
5
KFFEH8801N08
8
KFFEH8901N10
10
KFFEH0401N03
3
KFFEH0501N05
5
KFFEH0801N08
8
KFFEH0901N10
10
KFFEH3201F20
20
KFFEH8401C05
5
KFFEH8501C08
8
KFFEH8601C10
10
KFFEH2401C05
5
KFFEH2501C08
8
KFFEH2601C10
10
KFFEH3301C20
20
KFFEH2901N09
9
KFFEH3001F15
15
KFFEH3101C15
15
KFFEH1601315
15
KFFEH2001318
18
KFFEH3401F24
24
KFFEH3501F30
30
*. Does not include heat from blower motor.
†. Size 18 fan coil has a special 6-pin connector. Do not modify wiring.
‡. Single point wiring kit required for these heaters.
**. Field convertible to 3 phase.
Installation Instructions
. When
Table 1 – EH Heater Table
STAGES (kW
VOLTS/PH
OPERATING)
230/1
3
230/1
5
230/1
8
230/1
10
230/1
3
230/1
5
230/1
8
230/1
10
230/1
5, 20
230/1
5
230/1
8
230/1
10
230/1
5
230/1
8
230/1
10
230/1
5, 20
**
3, 9
230/1
230/1
5, 15
230/1
5, 15
3 Phase Only
230/3
5, 15
230/3
6, 12, 18
3 Phase, Factory Shipped (field convertible to single phase)
230/3
8, 16, 24
230/3
10, 20, 30
Understand the signal words DANGER, WARNING, and CAUTION.
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
may 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.
!
ELECTRICAL SHOCK HAZARD
Failure to follow this warning could result in personal injury or death.
Before beginning any installation or modification, be sure the main
electrical disconnect switch(es) is in the OFF position. There may be
more than one power supply. Tag the disconnect switch(es) with a
suitable warning label.
INTERNAL CIRCUIT
FAN COIL SIZE USED
PROTECTION
None
None
None
None
None
None
None
None
Fuse
Circuit Breaker
Circuit Breaker
Circuit Breaker
Circuit Breaker
Circuit Breaker
Circuit Breaker
Circuit Breaker
None
Fuse
Circuit Breaker
None
None
Fuse
Fuse
WARNING
HEATING CAP.
WITH
@ 230V
9,400
18
15,700
18
25,100
18
31,400
18
24
9,400
24–60
15,700
24–60
25,100
24–60
31,400
30–60
62,800
15,700
18
25,100
18
31,400
18
24–60
15,700
24–60
25,100
24–60
31,400
30–60
62,800
36–60
28,200
24–60
47,100
24–60
47,100
36–60
47,100
42–60
56,500
48, 60
78,300
48, 60
94,100
*

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Summary of Contents for Carrier KFFEH Series

  • Page 1 KFFEH Electric Heater Packages Installation Instructions NOTE: Read the entire instruction manual before starting the Understand the signal words DANGER, WARNING, and CAUTION. These words are used with the safety-alert symbol. DANGER identifies installation. the most serious hazards which will result in severe personal injury or SAFETY CONSIDERATIONS death.
  • Page 2: Fire Hazard

    KFFEH: Installation Instructions NOTE: Use an accessory downflow base to maintain proper clearance on downflow installations. This instruction describes the installation of Part No. KFFEH accessory heaters in FJ4 and PF4MNX fan coils. WARNING FIRE HAZARD Failure to follow this warning may cause personal injury, death, or property damage.
  • Page 3 KFFEH: Installation Instructions A03069 Fig. 4 – Installation of Window Bezel for Circuit Breaker Model Heater Procedure 3 — Electrical Connections A90151 Fig. 2 – Installation of Fused Model Heater Refer to unit instructions for recommended wiring procedures. Install 3. For 5- through 20-kW circuit breaker models: wiring in accordance with all applicable local and national codes, see After installing heater assembly, attach circuit breaker assembly to Table 2...
  • Page 4 KFFEH: Installation Instructions For 3 kW through 10 kW non-fused or non-circuit breaker models: Refer to unit Installation Instructions for recommended wiring procedures. Install wiring in accordance with all applicable local and national codes (see Table 2 Table 3 kW through 10 kW non-fused or non-circuit breaker models have high voltage terminal block to connect the high voltage field wiring as shown Fig.
  • Page 5 Table 2 – Electric Heater Electrical Data BRANCH CIRCUIT HEATER AMPS MIN AMPACITY Min Wire Size (AWG) Min Gnd Wire Size Max Fuse/Ckt Bkr Internal † † 208/230V 208/230V ‡ ‡ 208/230V 208/230V Amps 208/230V HEATER PART NO. Circuit Size Protection Dual Circuit Dual Circuit...
  • Page 6: Power Connections

    KFFEH: Installation Instructions Power Connections NOTE: Heater supply circuit wire size and over-current protection must comply with National Electrical Code (NEC) and UL branch circuit requirements, see Table 2 Table 3. Wires and over-current protection, integral to the heater, are not required to meet branch circuit requirements.
  • Page 7: Ground Connections

    KFFEH: Installation Instructions and fuse block. Remove and discard the single-circuit terminal Grounding may also be accomplished by using grounding lugs provided in the control box. block. Attach L1 through L6 power leads as indicated on the label next to the fuse block. 1.
  • Page 8 Make sure all electrical covers are in place and proper labels have been applied. Reinstall the blower access panel before turning on the unit power. © 2023 Carrier. All rights reserved. Edition Date: 1/23 Catalog No: IIK-KFFEH-01 A Carrier Company Replaces: New Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.

This manual is also suitable for:

Kffeh8401n03Kffeh8501n05Kffeh8801n08Kffeh8901n10Kffeh0401n03Kffeh0501n05 ... Show all