CACG/CAHG & CACH/CAHH
Air Handlers
• Installation, Operation and Maintenance Manual •
Comfort where it counts 4P/N 240007756, Rev. A [051509]
Product description
The EMI AmericaSeries Cassette Air•
handlers are available in three cabinet
sizes with four output capacities from
9,000–24,000 Btuh, and two cooling only
capacities from 30,000–36,000 Btuh.
Key features include a condensate pump•
with safety switch and a 36” (0.9 m) li
(measured from the base or boom of
the unit), fresh air inlet and branch duct
knockouts, and motorized air vanes mod-
els 24 and 36 only).
Electric heat is a factory-installed option•
ONLY(thereareno eldinstalledelectric
heat kits available). (See NOTICE on
next page.)
The cassette air handler accepts a 24•
volt thermostat control (thermostat not
included).
Designed for low noise levels, easy instal-•
lation and maintenance and a slim line
fascia, all ensure minimum intrusion into
the conditioned environment.
Due to ongoing product development, all•
designs and specications are subject to
change without notice.
ese American-made cassee air han-•
dlers produce system SEER’s meeting or
exceeding 13 when matched with EMI
outdoor units:
Single-zone condensing units –
S1CG/S1HG 09–24 and S1CG 30–
36.
Dual-zone condensing units –
S2CG/S2HG side discharge.
Multi-zone, top discharge condens-–
ing units T2CG/T2HG, T3CG/
T3HG, or T4CG/T4HG.
Refer to specications contained in–
this document.
All EMI air handlers arebackedby Enviro-•
master International LLC and are tested,
rated, and certied in accordance with
ARI standards 210/240 and UL 1995.
Verify Unit Before Installing
Standard features
CACG/CAHG units
“G” units require a remote thermostat•
for operation. They do not include an
onboard controller.
CACH/CAHH units
“H” units include an on-board micropro-•
cessor controller with infrared remote.
e remote is required to adjust seings•
and congure the controller.
Alsoincludedisabankof DIPswitchesfor•
seing operating behavior. ese can be
used to select operation by the on-board
controller or by a remote thermostat.
Whenoperatedbyremotethermostat,the•
controller oers limited options.
Materials of Construction
Galvanizedsteelcabinetwithre-resistant•
thermal and acoustic foam insulation.
Light grey high-impact ABS fascia.•
Expanded polystyrene drain pan with a•
tough, re-retardant thermoplastic liner.
Air Systems
Fans are backward-curved impeller•
centrifugal design; dynamically and stati-
cally balanced; and mounted on integral
mounting rails.
Single-fan models 9, 12 & 24 are–
designed with re-retardant plastic
or aluminum impellers.
Twin-fan model 36 is designed with–
re-retardant plastic impellers.
Motors are multispeed, enclosed type–
with thermal protection and sealed
lifetime bearings.
Permanent, washable lter (user acces-•
sible).
Branch duct knockouts on three sides•
for remote discharge locations (using no
more than two non-adjacent sides).
Freshairintakecapabilityonthreesidesof•
cabinet (only two on models 9–12).
