ECONOMIZER (FlOP/ACCESSORY)
/
Economizer
F<'__°7
ER
I
I
L ......
PL6R
4
2 Position Damper
PL6R
FOR STD
RIT ..
Unit Without Economizer or
2 Position Damper
C08631
Fig. 75 - EconoMi$er TM IV Wiring
Step 11 -- Adjust Factory-Installed Options
Smoke Detectors --
Smoke detector(s) will be connected at the Controls
Connections Board, at terminals marked "Smoke
Shutdown". Remove jumper JMP 3 when ready to
energize unit.
EconoMiRer IV Occupancy Switch --
Refer to Fig. 75 for general EconoMi$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)
Power Exhaust
Differential dry-bulb sensor (EconoMi$er IV)
Outdoor enthalpy sensor
Differential enthalpy sensor
Electric Heaters
Single Point kits
Low Ambient Controls
Thermostat / Sensors
CO2 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.
51
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