32
EconoMi$er IV (Field-Installed Accessory)
ECONOMI$ER IV STANDARD SENSORS
Troubleshooting instructions are enclosed. A functional view
of the EconoMi$er
®
IV accessory is shown in Fig. 56. Typical
settings, sensor ranges, and jumper positions are also shown.
An EconoMi$er IV simulator program is available to help with
EconoMi$er IV training and troubleshooting. See Fig. 57 and
Table 11 for further details.
Fig. 56 — EconoMi$er IV Functional View
LEGEND
Fig. 57 — Typical EconoMi$er
IV (W7212 Controller) Wiring
IMPORTANT: For 547K rooftop units EconoMi$er IV is
available 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