DX Remote Systems
Cooling &
Heating Comfort System
Remote -
Split Systems (Water Cooled)
 Cruisair
remote systems provide the greatest flexibility for boats 36
feet and up. The condensing unit, which includes the compressor
and other mechanical components, is placed in the engine room.
Only the compact, quiet cooling/heating unit goes in the living
compartment, where it is normally built into the cabinet work.
Cruisair offers a broad range of cooing/heating units for
installation behind bulkheads, under bunks, in narrow lockers,
beneath a fly bridge and other locations. You can run several
cooling/heating units from a single remote condensing unit.
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Features |
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Condensing units located in engine room, with
quiet-running cooling/heating units in living spaces
All systems reverse-cycle for heating and cooling
Available in 4,000 through 48,000
For operation on 115 or 230 VAC, 60 or 50 Hz (440 VAC
and three-phase power on special order)
Works with SMX Series or other Cruisair controls
Wide selection of cooling/heating units for direct
discharge or ducted air
Split systems use multiple cooling/heating units with a
single condensing unit for maximum flexibility
Specification
Sheets
- Condensing Units
Specification
Sheets
- Fan Heat Exchangers
Accessories
Controls
CONTROL SYSTEMS
Digital
Controls
SMX II Controls For
Direct Expansion Air Conditioning Systems
The SMX II is a microprocessor-based
electronic control for use with Cruisair direct
expansion air conditioning systems. It can be
retrofitted in the field to replace any
electromechanical switch assembly.
The SMX II has a non-corrosive ABS cover and
soft-touch membrane switches. All keys are
clearly labeled, making operation simple. The
large, easy-to-read digital display shows set
point or cabin temperature and also is used to
give information on operating parameters and
fault code warnings. Small LED's are used to
indicate system status. Switch plates, which are
available in black, brown, white or beige, must
be ordered separately.
For normal operation, it is only necessary to
turn the system on and select the desired set
point. The user can select cooling only, heating
only, or automatic changeover between cooling
and heating. Fan speed is automatically
controlled, or can be manually set. Factory
settings may be changed, with user-programmable
commands, permitting the boat owner to fine-tune
the system for personal preferences. Programming
modes are accessed by pressing special
combinations of keys.
Programmable features Include AC line voltage
calibration, temperature calibration, compressor
restart time delay, continuous or intermittent
fan operation, low and high fan speed
adjustment, compressor response differential,
Fahrenheit or Celsius temperature display The
system's nonvolatile memory retains all
user-programmed settings, even when the power is
switched off.
The SMX II constantly monitors line voltage
and refrigerant pressures. Whenever
out-of-tolerance conditions are sensed, the SMX
II computer displays a visual warning and shuts
the system down to prevent damage.
Software upgrades for the SMX series controls
are released periodically by Cruisair, and new
software can be installed in the field by
exchanging plug-in EPROM's.
The dehumidification program ensures, even
when no one is aboard, the boat stays dry,
eliminating mold, mildew and odor. |
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Rotary Switch Assemblies
Rotary Switch Assemblies For Direct Expansion (DX)
Air Conditioning Systems
Cruisair electromechanical rotary-knob switch assemblies provide
reliable positive control over basic air conditioning functions.
The standard switch assembly contains three knobs for
controlling the thermostat, fan speed and function selections
(OFF-FAN-RUN). Variable or two-speed fan controls are available
for either type of blower motor.
Single knob switches are used to provide fan control when two
or more cooling units are linked to a single remote condensing
unit. Two-knob switches are used with SMX-series "slave"
installations to provide fan operation independent from master
control.
Standard switch plate colors are brown and black. Vertical and
horizontal switch plates are available in three knob versions. A
ten-foot length of capillary tube, with thermostat bulb and
anticipator, is standard on SA3 and SSA3 types.
Cruisair switch assemblies are available for 115V or 230V
systems.
Features of Rotary Switch Assemblies For DX A/C Systems
General Features
Rotary knob controls
115V or 230V power
Brown or black metal switch plates
Vertical or horizontal configurations
SA3 Series
Three knob switch assembly
Wiring harness with color-coded terminal strip
For use with Type F and Type J condensing units
Variable or two-speed fan control
Models available for use with auxiliary heat modules
10 ft. capillary tube thermostat with anticipator
SSA3 Series
Three knob switch assembly
For use with SH-type StowAway V units
Pre-wired plug for electrical hookup
Variable speed fan control
10 ft. capillary tube thermostat with anticipator
SA4 Series
Single-knob switch assembly
Variable or two-speed fan control
For use in "slave" installations
SA4A Series
Two-knob switch assembly
Variable or two-speed fan control
For use with "slave" installations
Manual position for air circulation only
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Self-Contained systems are ideal for smaller boats in which engine
room space is limited. All of the system components, except for the
seawater pump and strainer, are built on a single low-profile
chassis. It is normally installed under a berth, in a closet or any
other out-of-the-way location. Air is carried through flexible ducts
to air grills for discharge into one or more compartments. StowAway
systems are easy to install in an existing boat, since the unit
doesn't take up much space and it can be installed without
disrupting the boat's interior. The system's closed refrigerant loop
is precharged at the factory, and no field charging is needed. A
pre-wired plug makes for easy, error-free electrical hookup.
StowAways are available in 5,000-24,000 BTU capacities. 
