3
* Includes HH57AC081 sensor and wiring harness.
† Accessory CO
2
sensors.
** Accessory aspirator boxes required for duct-mounted applications.
†† CRCBDIOX005A00 is an accessory that contains both
33ZCSENCO2 and 33ZCASPCO2 accessories.
Accessories List
The EconoMi$er X system has several field-installed ac-
cessories available to optimize performance. Refer to Table 6
for authorized parts and power exhaust descriptions.
* When available, or order MicroMetl PN 9901-2022-DIFF JC2.
Compliance
Economizers meet California Energy Commission Title 24
prescriptive section 140.4 (damper leakage etc.), and mandato-
ry section 120.2.i for Fault Detection and Diagnostic controls.
Economizers meet ASHRAE 90.1 damper leakage require-
ments and meet Fault Detection and Diagnosis requirements.
Economizers meet IECC damper leakage and Fault Detec-
tion and Diagnostic requirements.
NOTE: IECC requires differential return air sensor, which must
be ordered separately. See Accessory CRDIFRASN01A00.
Outside air, and return air and relief air dampers are
AMCA rated.
Fig. 1 — EconoMi$er
®
X Component Locations
(CRECOMZR067A01 Shown)
For 48/50LC 07-12 Instructions, see “Instructions for 48/50LC
INSTALLATION
NOTE: If installing economizer on 48/50LC 07-12 units, see
“Instructions for 48/50LC 07-12 Units Only” on page 10.
1. Turn off unit power supply(s) and install lockout tag.
2. Remove the existing unit filter access panel. Raise the
panel and swing the bottom outward. The panel is now
disengaged from the track and can be removed. See Fig. 2.
Set the filter door aside for re-installation later.
Fig. 2 — Typical Access Panel Locations
3. Remove the indoor coil access panel and discard. See
4. Slide the EconoMi$er X assembly into the rooftop unit.
See Fig. 3.
NOTE: On small and large cabinets be sure to engage the rear
EconoMi$er X flange under the tabs on the unit base in the re-
turn air chamber. See Fig. 4.
Table 5 — EconoMi$er
®
X Sensor Usage
APPLICATION
ECONOMI$ER X WITH OUTDOOR AIR DRY
BULB SENSOR
Accessories Required
Outdoor Air Dry
Bulb
HH79AH001 outdoor air dry bulb sensor is
factory installed on economizer.
Mixed Air
Sensor
HH79AH001 provided with economizer and field-
installed in blower compartment.
Single Enthalpy
HH57AC081
Differential Dry
Bulb or Enthalpy
CRDIFRASN01A00* (When available, or
MicroMetl part number 9901-2022-DIFF JC2)
CO
2
for DCV
Control using a
Wall-Mounted
CO
2
Sensor
33ZCSENCO2
or
CGCDXSEN004A00
CO
2
for DCV
Control using a
Duct-Mounted
CO
2
Sensor
33ZCSENCO2 or
CGCDXSEN004A00†
and
33ZCSENCO2 or
CGCDXASP00100**
OR CRCBDIOX005A00††
Table 6 — EconoMi$er
®
2 Field-Installed
Accessories
DESCRIPTION
PART NUMBER
208/230v 1PH Power Exhaust for
Small Cabinet
CRPWREXH030A01
460v 3PH Power Exhaust for Small
Cabinet
CRPWREXH021A01
208/230v 1PH Power Exhaust for
Large Cabinet
CRPWREXH022A01
460v 3PH Power Exhaust for Large
Cabinet
CRPWREXH023A01
208/230v 1PH Power Exhaust for
Extra Large Cabinet
CRPWREXH080A00
460v 3PH Power Exhaust for Extra
Large Cabinet
CRPWREXH081A01
Enthalpy Sensor (OA)
HH57AC081
Differential (Return) Sensor
CRDIFRASN01A00*
CO
2
Sensor and Aspirator Box
CRCBDIOX005A00
Return Air CO
2
Sensor (4 to 20 mA)
CRCBDIOX002A00
CO
2
Room Sensor (4 to 20 mA)
33ZCSENCO2 or
CGCDXSEN004A00
Aspirator Box for Duct Mount
CO
2
Sensor (4 to 20 mA)
33ZCASPCO2 or
CGCDXASP001A00
Economizer Angle Seal Kit for use
with unit's with Hinged Filter Door -
for Small Cabinet
CRPECONV003A00
Economizer Angle Seal Kit for use
with unit's with Hinged Filter Door -
for Large Cabinet
CRPECONV004A00
Economizer Angle Seal Kit for use
with unit's with Hinged Filter Door -
for Extra Large Cabinet
CRPECONV007B00
HH79AH001
OUTSIDE AIR
TEMPERATURE
SENSOR
(IN OPERATING
POSITION)
ACTUATOR
ECONOMI$ER X
WIRING HARNESS
OUTSIDE
AIR DAMPER
HH79AH001 OUTSIDE AIR
TEMPERATURE SENSOR
(IN SHIPPING POSITION)
BAROMETRIC RELIEF
DAMPERS
COMPRESSOR
ACCESS PANEL
OUTDOOR-AIR OPENING AND
INDOOR COIL ACCESS PANEL
FILTER ACCESS PANEL
