Carrier 39L User Manual
Page 56
LEGEND
AO
— Analog Output
EVAC — Evacuation
EXD
— Exhaust Air Damper Actuator
FSD
— Fire Shut Down
HOA
— HAND/OFF/AUTO Switch
HPS
— High-Pressure Switch
LTT
— Low Temperature Thermostat
OAD
— Outside Air Damper Actuator
PRES — Pressurization
RAD
— Return Air Damper Actuator
RFR
— Return Fan Relay
SF
— Supply Fan Contactor
SFR
— Supply Fan Relay
TB
— Terminal Block
TRAN — Transformer
Remove Jumper
Factory Wiring
Field Wiring
NOTE: The return fan power circuit may be different than the supply
fan starter power.
Fig. 49 — Smoke Control Option Wiring Schematic (39L)
56
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