Carrier 50TCQD Installation Instructions Manual page 17

and then route the wire behind the corner post utilizing the
factory provided wire ties secured to the control box. This
will insure separation of the field low voltage wire and the
high voltage circuit. Route the low voltage wire to the
central terminal board. See Fig. 22.
NOTE: If utilizing the through the base connections,
route the low voltage wire through the wire ties to the
central terminal board.
Rubber
Grommet
Corner
Post
Wire
Ties
Thru the Base
Connection
Fig. 22 - - Field Control Wiring Raceway
Heat Anticipator Settings —
Set heat anticipator settings at 0.14 amp for the first stage
and 0.14 amp for second- - stage heating, when available.
Electric Heaters
50TCQD units may be equipped with field- - installed
accessory 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.
Heater modules are installed in the compartment below
the indoor blower access panel. Access is through the
electric heat access panel. Heater modules slide into the
compartment on tracks along the bottom of the heater
opening. See Fig. 23, Fig. 24 and Fig. 25. Refer to the
Electric Heater Kit Installation Instructions for complete
details.
Not all available heater modules may be used in every
unit. Use only those heater modules that are ETL listed
for use in a specific size unit. Refer to the label on the unit
cabinet for the list of approved heaters.
Control Box
Access Panel
Filter and
Indoor Coil
Access Panel
Indoor Blower
Access Panel
Fig. 23 - - Typical Access Panel Location
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 2 for correlation between heater Model Number and
Sales Package part number.
Main Control Filter
Box
Fig. 24 - - Typical Component Location
C09101
Electric Heater
Opening
Fig. 25 - - Electric Heater Compartment
Low- - Voltage Control Connections —
Locate the plug assembly in the electric heater section of
the main unit. Connect the plug with the mating low
voltage plug located on the heater.
17
Electric Heat
Access Panel
Indoor Blower
Access Panel
Heater
Area Module
Electric Heater
Tracks
(Cover Removed)
C09118
C09141
C09142