41
Step 14 — Adjust Factory-Installed Options
SMOKE DETECTORS
Smoke detector(s) will be connected at the Unit Control Board
(UCB), at terminals marked “Smoke Shutdown.” Detach the
jumper covering the Smoke Shutdown terminals on the UCB
and then attach the wiring harness from the smoke detector.
ECONOMI$ER
®
IV OCCUPANCY SWITCH
See Fig. 54 for general EconoMi$er IV wiring. External occu-
pancy control is managed through a connection on the Unit
Control 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.
Detach the jumper covering the “Occupancy” terminals on the
UCB and then attach the required connections.
Step 15 — Install Accessories
Available accessories include:
• Roof curb
• Thru-base connection kit (must be installed before unit is
set on roof curb)
• LP conversion kit
• Flue discharge deflector
• Manual outside air damper
• Two-position motorized outside air damper
• EconoMi$er
®
IV (with control)
• EconoMi$er2 (without control/for external signal)
• Power Exhaust
• Differential dry-bulb sensor (EconoMi$er IV)
• Outdoor enthalpy sensor
• Differential enthalpy sensor
•CO
2
sensor
• Louvered hail guard
• Phase monitor control
Refer to separate installation instructions for information on in-
stalling these accessories.
Fig. 54 — EconoMi$er IV Wiring
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