Carrier 50FC Series - Economi$Er IV Functional View; Typical Economi$Er IV (W7212 Controller) Wiring; Economi$Er IV Standard Sensors; Economi$Er IV (Field-Installed Accessory)

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EconoMi$er IV (Field-Installed Accessory)
ECONOMI$ER IV STANDARD SENSORS
Troubleshooting instructions are enclosed. A functional view
of the EconoMi$er
®
IV accessory is shown in Fig. 57. Typical
settings, sensor ranges, and jumper positions are also shown.
An EconoMi$er IV simulator program is available to help with
EconoMi$er IV training and troubleshooting. See Fig. 58 and
Table 6 for further details.
Fig. 57 — EconoMi$er IV Functional View
LEGEND
Fig. 58 — Typical EconoMi$er IV (W7212 Controller) Wiring
IMPORTANT: For FC rooftop units EconoMi$er IV is avail-
able as a factory-installed option for 04 - 06 units only.
DCV — Demand Controlled Ventilation
IAQ — Indoor Air Quality
LA — Low Ambient Lockout Device
OAT — Outdoor-Air Temperature
POT — Potentiometer
RAT — Return-Air Temperature