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Carrier 48TC**16 User Manual

Page 46

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46

Economizer

2 Position Damper

Unit Without Economizer or
2 Position Damper

C10333

Fig. 87 -- EconoMi$ert IV Wiring

Step 13 — Adjust Factory--Installed Options

Smoke Detectors —

Smoke detector(s) will be connected at the Central Terminal

Board (CTB), at terminals marked “Smoke Shutdown”.

Remove jumper JMP 3 when ready to energize unit.

EconoMi$er IV Occupancy Switch —

Refer to Fig. 87 for general EconoMi$er IV wiring.

External occupancy control is managed through a

connection on the Central Terminal Board.

If external occupancy control is desired, connect a time

clock or remotely controlled switch (closed for Occupied,

open for Unoccupied sequence) at terminals marked

OCCUPANCY on CTB. Remove or cut jumper JMP 2 to

complete the installation.

Step 14 — Install Accessories

Available accessories include:

Roof Curb (must be installed before unit)
Thru--base connection kit (must be installed before unit

is set on curb)
Manual outside air damper
Two--Position motorized outside air damper
EconoMi$er IV (with control and integrated barometric

relief)
EconoMi$er2 (without control/for external signal and

integrated barometric relief)

Barometric relief
Power Exhaust
Differential dry--bulb sensor (EconoMi$er IV)
Outdoor enthalpy sensor
Differential enthalpy sensor
Time Guard II compressor anti--cycle control
Outdoor coil protector grille
Head pressure control
Programmable setback thermostat
Electrical/Mechanical thermostat and subbase
Thermidistatt device
Humidistat
Thermostat / Sensors
CO

2

sensor

DDC interface (PremierLink)
Louvered hail guard
Phase monitor control

Refer to separate installation instructions for information

on installing these accessories.

Pre--Start and Start--Up

This completes the mechanical installation of the unit.

Refer to the unit’s Service Manual for detailed Pre--Start

and Start--up instructions.

48TC

**16