Carrier 50KC*A/B06 Series - Electric Heaters

18
Electric Heaters
The 50KC units may be equipped with field-installed acces-
sory electric heaters. The heaters are modular in design, with
heater frames holding open coil resistance wires strung
through ceramic insulators, line-break limit switches and a
control contactor. One or two heater modules may be used in
a unit.
Heater modules are installed in the compartment below the
indoor (supply) fan outlet. Access is through the indoor ac-
cess panel. Heater modules slide into the compartment on
tracks along the bottom of the heater opening. See Fig. 29-31.
Not all available heater modules may be used in every unit.
Use only those heater modules that are UL listed for use in a
specific size unit. Refer to the label on the unit cabinet for the
list of approved heaters.
Unit heaters are marked with Heater Model Numbers. But
heaters are ordered as and shipped in cartons marked with a
corresponding Heater Sales Package part number. See Table 3
for correlation between Heater Model Number and Sales
Package part number.
NOTE: The value in position 9 of the part number differs be-
tween the sales package part number (value is 1) and a bare
heater model number (value is 0).
Fig. 29 — Typical Access Panel Location (3-5 Ton)
Fig. 30 — Typical Component Location
Fig. 31 — Typical Module Installation
DISCONNECT MOUNTING
LOCATION
UNIT BLOCK-OFF
PANEL
OUTDOOR
ACCESS PANEL
INDOOR
ACCESS
PANEL
DISCONNECT
MOUNTING
LOCATION
EMT OR RIGID CONDUIT
(FIELD-SUPPLIED)
SINGLE
POINT BOX
CENTER
POST
HEATER
COVERS
HEATER
MOUNTING
BRACKET
HEATER
MODULE
(LOCATION 2)
HEATER
MODULE
(LOCATION 1)
SINGLE POINT
BOX
MOUNTING
SCREW
BRACKET AND
CONDUIT
DRIP BOOT
MAIN
CONTROL
BOX
CONTROL WIRE TERMINAL BLOCK
MANUAL RESET
LIMIT SWITCH
TRACK
FLANGE
Table 3 — Heater Model Number
Bare Heater Model Number C R H E A T E R 0 0 1 A 0 0
Heater Sales Package PNO
Includes:
Bare Heater
Carton and packing materials
Installation sheet
C R H E A T E R
1 0 1 A 0 0