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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$er
®
IV accessory is shown in Fig. 54. Typical
settings, sensor ranges, and jumper positions are also shown.
An EconoMi$er IV simulator program is available to help with
EconoMi$er IV training and troubleshooting. See Fig. 55 and
Table 11 for further details.
Fig. 54 — EconoMi$er IV Functional View
LEGEND
Fig. 55 — Typical EconoMi$er
IV (W7212 Controller) Wiring
IMPORTANT: For 549K rooftop units EconoMi$er IV is
only available as a field-installed accessory.
DCV
—
Demand Controlled Ventilation
IAQ
—
Indoor Air Quality
LA
—
Low Ambient Lockout Device
OAT
—
Outdoor-Air Temperature
POT
—
Potentiometer
RAT
—
Return-Air Temperature
Summary of Contents for Preferred 549K 04-06
Page 84: ...84 APPENDIX D WIRING DIAGRAMS Fig F 549K 04 06 Power Wiring Diagram 208 230 1 60...
Page 85: ...85 APPENDIX D WIRING DIAGRAMS Fig G 549K 04 06 Power Wiring Diagram 208 230 3 60...
Page 86: ...86 APPENDIX D WIRING DIAGRAMS Fig H 549K 04 06 Power Wiring Diagram 460 575 3 60...
Page 89: ......