Carrier 42C Series Product Data page 15

Remote-mounted controls
3-SPEED SWITCH
Wall mounted 3-speed switch — This switch has 4
positions: OFF, HIGH, MEDIUM, and LOW. Switch has
auxiliary contact that is energized when switch is in HIGH,
MEDIUM or LOW position.
Some of the options common with the 3-speed switch are:
1. Unit-mounted switch on furred-in vertical model. (Avail-
able as special order on horizontal models.)
2. Switch without OFF position.
3. Key-operated switch.
Optional remote-mounted thermostat or unit-
mounted 24-v thermostat
24-V DEBONAIR
24-v Debonair thermostat — Features large Thermo-
glow™ display, Neverlost™ memory, ExactFit locking
cover, Smart Fan™ dynamic fan speed control, 4-pipe,
2-pipe automatic changeover applications with adjustable
dead band. Programmable and non-programmable models
available.
® THERMOSTAT
R
COOL
AUTO
HEAT
Optional remote-mounted line-voltage
thermostat
LINE VOLTAGE T155 THERMOSTAT
Line voltage T155 thermostat — Features 50 to 90 F
temperature range, manual 3-speed fan control, mount is a
standard 2 x 4 in. box, 4-pipe, 2-pipe and autochangeover
applications. Available in vertical or horizontal styles.
Unit-mounted controls
Line voltage controls by others — Unit supplied with
wiring for valve cycle operation, including changeover sen-
sors (as required) for use with field-installed line voltage
thermostats.
24-v controls by others — Unit supplied with factory-
installed 24-v transformer, 3-speed relay board, and aqua-
stat (as required) for use with field-installed low voltage
controls.
3-SPEED SWITCH
Unit-mounted 3-speed switch — Switch has OFF,
HIGH, MED and LOW positions. Switch is also equipped
with auxiliary connection energized when switch is in
HIGH, MED or LOW position.
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