Carrier 50GCQ Series - Economi$Er IV (Field-Installed Accessory)

35
EconoMi$er IV (Field-Installed Accessory)
ECONOMI$ER IV STANDARD SENSORS
Troubleshooting instructions are enclosed. A functional view of
the EconoMi$er
®
IV accessory is shown in Fig. 56. Typical set-
tings, sensor ranges, and jumper positions are also shown. An
EconoMi$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
Fig. 57 — Typical EconoMi$er
®
IV (W7212 Controller) Wiring
IMPORTANT: For 50GCQ rooftop units EconoMi$er IV is
only available as a field-installed accessory.
LEGEND
DCV — Demand Controlled Ventilation
IAQ — Indoor Air Quality
LA — Low Ambient Lockout Device
OAT — Outdoor-Air Temperature
POT — Potentiometer
RAT — Return-Air Temperature