Economi$Er Iv (Field-Installed Accessory) - Bryant 551K 04N Series Service And Maintenance Instructions

EconoMi$er IV (Field-Installed Accessory)

IMPORTANT: For 551K rooftop units EconoMi$er IV is
only available as a field-installed accessory.
ECONOMI$ER IV STANDARD SENSORS
Troubleshooting instructions are enclosed. A functional view
of the EconoMi$er ® IV is shown in Fig. 53. Typical settings,
sensor ranges, and jumper positions are also shown. An
EconoMi$er IV simulator program is available to help with
EconoMi$er IV training and troubleshooting. See Fig. 54 and
Table 6 for further details.
LEGEND
DCV — Demand Controlled Ventilation
IAQ — Indoor Air Quality
LA — Low Ambient Lockout Device
OAT — Outdoor-Air Temperature
POT — Potentiometer
RAT — Return-Air Temperature
Fig. 54 — Typical EconoMi$er IV (W7212 Controller) Wiring
Fig. 53 — EconoMi$er IV Functional View
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