5
OPTIONS AND ACCESSORIES
ITEM DESCRIPTION
FACTORY
INSTALLED
OPTION
FIELD
INSTALLED
ACCESSORY
Coil Options Base unit with tin plated indoor coil hairpins X
Corporate Thermostats
Thermostats provide control for the system heating and cooling
functions.
X
Crankcase Heater
Crankcase Heater provides anti--- floodback protection for low---
load cooling applications.
X*
Electric Heaters Electric Heat Supplement X
Filter Rack
Filter Rack features easy installation, serviceability, and high ---
filtering performance for vertical applications. Includes 1 ---in.
filter.
X
Flat Roof Curbs
F l a t R o o f C u r b s i n b o t h 1 1 --- i n ( 2 7 9 m m ) a n d 1 4 --- i n . ( 3 5 6 m m )
sizes are available for roof mounted applications.
X
Low Ambient Kit
Low Ambient Kit (Motormaster II Control) allows the use of
mechanical cooling down to outdoor temperatures as low as
0°F ( --- 18° C) when properly installed.
X
Manual Outside Air Damper
Manual Outside Air Damper includes hood and filter rack with
adjustable damper blade for up to 25% outdoor air.
X
S q u a r e --- t o --- R o u n d D u c t Tr a n s i t i o n K i t
Square--- to---Round Duct Transition Kit enable 24---48 size units
to be fitted to 14 in (356 mm). round ductwork.
X
Time Guard II
Automatically prevents the compressor from restarting for at
least 4 minutes and 45 seconds after shutdown of the
compressor. Not requ ired when a corporate programmable
thermostat is applied.
X
*Refer to Price Page for application detail.
Electric Heaters
CATALOG
ORDERING NO.
NOMINAL
CAPACITY (kW)
FUSED
(Yes/No)
STAGES
USED WITH SIZES
24 30 36 48
CPHEATER076A00 6.5 No 1 X X X X
CPHEATER077A00 8.7 No 1 X X X X
CPHEATER078A00 13.0 No 1 X X X
CPHEATER079A00 17.4 No 1 X
NOTE: Electric heaters are r a ted at 400v. Refer to Multiplication Factors table fo r other voltages.
X = Approved combinations.
Minimum Airflow for Safe Electric Heater Operation (CFM)
SIZE 24 30 36 48
Cfm 800 1000 1200 1600
L/s 378 472 567 756
EV APORATOR
COIL
TOP FILTER RACK
BEND FLANGE AT 90° -SCREW TO
DIVIDER WITH 1-IN. (25 mm) SCREW
BOTTOM FILTER
RACK
FILTER RACK
A09236
DAMPER
BLADE
MANUAL OUTSIDE
AIR HOOD
REPLACEMENT
PANEL
MANUAL OUTSIDE AIR DAMPER
A09235
50GL--A
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