Economizer Systems; Economi$Er2 - Carrier 50FC 08-16 Series Service And Maintenance Instructions

ECONOMIZER SYSTEMS

The unit may be equipped with a factory-installed or accessory
(field-installed) economizer system. Three types are available:
two with logic control systems (EconoMi$er
IV) and one without a control system (EconoMi$er2).
See Fig. 54 - 56 for component locations on each type.
Economizers use direct-drive damper actuators.
IMPORTANT: Any economizer that meets the economizer
requirements as laid out in California's Title 24 mandatory
section 120.2 (fault detection and diagnostics) and/or prescrip-
tive section 140.4 (life-cycle tests, damper leakage, 5 year
warranty, sensor accuracy, etc), will have a label on the econo-
mizer. Any economizer without this label does not meet Cali-
fornia's Title 24. The five year limited parts warranty referred
to in section 140.4 only applies to factory installed economiz-
ers. Please refer to your economizer on your unit.
Outside Air
Temperature Sensor
Fig. 54 — EconoMi$er X Component Locations
Run
Direct Drive
Actuator
X and EconoMi$er
®
EconoMi$er X
Harness
500 OHM
Resistor
ORANGE
Fig. 57 — EconoMi$er2 with 4 mA to 20 mA Control Wiring
Outside Air
Temperature Sensor
Low Ambient
Sensor
Fig. 55 — EconoMi$er IV Component Locations
Outside Air
Temperature Sensor
Fig. 56 — EconoMi$er2 Component Locations

EconoMi$er2

IMPORTANT: The optional EconoMi$er
controller. The EconoMi$er2 is operated by a 4 mA to 20 mA
signal from an existing field-supplied controller. See Fig. 57 for
wiring information.
VIOLET
PINK
OAT Sensor
4-20mA Signal
36
EconoMi$er IV
Controller (W7212)
EconoMi$er2 Plug
® 2 does not include a
BLACK
Transformer
4
Ground
3
5
BLUE
2
8
6
7
Actuator
RED
Feedback
1
(2-10VDC)
10
11
9
Actuator
WHITE
Control
12
(4-20mA)
EconoMi$er 2 Plug