K-Series Packaged Gas / Electric 7.5 to 12.5 Ton / Page 5
CONTROLS
Unit Control
All control voltage is provided via a
24V (secondary) transformer with
built-in circuit breaker protection.
Heat/Cool Staging -
Capable of
up to 2 heat / 2 cool staging with a
third party DDC control system or
thermostat.
Low Voltage Terminal Block -
Provides screw terminal
connections for thermostat or
controller wiring.
Night Setback Mode -
Saves
energy by closing outdoor air
dampers and operating supply fan
on thermostat demand only.
Options/Accessories
Field Installed
Smoke Detector
Photoelectric type, installed in
supply air section, return air
section or both sections. Available
with power board and single
sensor (supply
or return) or power
board and two sensors (supply
and
return).
F
CABINET
Construction
Heavy-gauge steel panels and full
perimeter heavy-gauge galvanized
steel base rail provides structural
integrity for transportation,
handling, and installation.
Base rails have rigging holes.
Three sides of the base rail have
forklift slots.
Raised edges around duct and
power entry openings in the bottom
of the unit provide additional
protection against water entering
the building.
Airflow Choice
Units are shipped in downflow
(vertical) configuration, can be field
converted to horizontal airflow with
optional Horizontal Discharge Kit.
Duct Flanges
Provided for horizontal duct
attachment.
Power/Gas Entry
Electrical and gas lines can be
brought through the unit base or
through horizontal access knock-
outs.
Exterior Panels
Constructed of heavy-gauge,
galvanized steel with a two-layer
enamel paint finish.
Insulation
All panels adjacent to conditioned
air are fully insulated with non-
hygroscopic fiberglass insulation.
Unit base is fully insulated. The
insulation also serves as an air
seal to the roof curb, eliminating
the need to add a seal during
installation.
Access Panels
Access panels are provided for
the filter section, heating/blower
section, and the compressor/
controls section.
G
Options/Accessories
Factory Installed
Corrosion Protection
A completely flexible immersed
coating with an electrodeposited
dry film process. (AST ElectroFin
E-Coat) Meets Mil Spec
MIL-P-53084, ASTM B117
Standard Method Salt Spray
Testing.
Indoor Corrosion Protection:
- Coated coil
- Painted blower housing
- Painted base
Outdoor Corrosion Protection:
- Coated coil
- Painted base
Hinged Access Panels
Large access panels are hinged
and have quarter-turn latches
for quick and easy access
to maintenance areas (filter,
compressor / controls, heating /
blower).
Field Installed
Combination Coil/Hail Guards
Heavy gauge steel frame painted
to match cabinet with expanded
metal mesh to protect the outdoor
coil from damage.
Horizontal Discharge Kit
Consists of duct covers to block
off downflow supply and return
air openings for horizontal
applications.
Also includes return air duct
flanges for end return air when
economizer is used in horizontal
applications.
NOTE - When configuring unit
for horizontal application with
economizer, a separate Horizontal
Barometric Relief Damper with
Hood must be ordered separately
for installation in the return air duct.
FEATURES AND BENEFITS
