50
Economizer 2 Position Damper Unit Without Economizer or
2 Position Damper
C10645
Fig. 76 --EconoMi$ertIV Wiring
Step 13— Adjust Factory--InstalledOptions
EconoMi$er IV Occupancy Switch —
Refer to Fig. 76 for general EconoMi$er IV wiring.
External occupancy control is managed through a
connectionon the Central Terminal Board.
If external occupancy control is desired, connecta time
clock or remotely controlled switch (closedfor Occupied,
open for Unoccupied sequence) at terminals marked
OCCUPANCYon CTB. Remove or cut jumper JMP 2 to
complete the installation.
Step 14 — Install Accessories
Availableaccessories include:
Roof Curb
Thru--baseconnection kit (must be installed before unit
is set on curb)
LP conversion kit
Manual outside air damper
High AltitudeGas kits
Low AmbientControls
Thermostat/ Sensors
Two--Position motorizedoutside air damper
EconoMi$er2 (without control/for external signal and
integrated barometricrelief)
EconoMi$er IV (with control and integrated barometric
relief)
Power Exhaust
Differential dry--bulbsensor (EconoMi$er IV)
Outdoor enthalpy sensor
Differentialenthalpy sensor
CO2sensor
DDC interface (PremierLink)
Louvered hail guard
Phase monitor control
WinterStart kit
Refer to separate installation instructions forinformation
on installingthese accessories.
Pre--Startand Start--Up
This completes the mechanical installation of the unit.
Refer to the unit’s Service andMaintenance manual for
detailed Pre--Startand Start--up instructions.
48HC