35
Economizer 2 Position
Damper
Unit Without Economizer
or 2 Position Damper
Power
Exhaust
C09382
Fig. 55 -- EconoMi$ert IV Wiring
Step 11 — Adjust Factory--Installed Options
EconoMi$er IV Occupancy Switch —
Refer to Fig. 55 for general EconoMi$er IV wiring.
External occupancy control is managed through a
connection on the Central Terminal Board.
If external occupancy control is desired, connect a time
clock or remotely controlled switch (closed for Occupied,
open for Unoccupied sequence) at terminals marked
OCCUPANCY on CTB. Remove or cut jumper JMP 2 to
complete the installation.
Step 12 — Install Accessories
Available accessories include:
Roof Curb
Thru--base connection kit (must be installed before unit
is set on curb)
Manual outside air damper
Two--Position motorized outside air damper
EconoMi$er IV (with control and integrated barometric
relief)
EconoMi$er2 (without control/for external signal and
integrated barometric relief)
Differential dry--bulb sensor (EconoMi$er IV)
Outdoor enthalpy sensor
Differential enthalpy sensor
Electric Heaters
Single Point kits
Low Ambient Controls
Thermostat / Sensors
CO
2
sensor
DDC interface (PremierLink)
Louvered hail guard
Phase monitor control
Winter Start kit
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.
50TC
