(Mar, 2012)
Compact CWE Series Installation, Operation & Maintenance Manual
Air Technology Systems, Inc.
1.5 General
Design
The Compact CWE unit is housed in a steel frame type cabinet and is rated for indoor use. The cabinet is coated
with a powder coat fi nish to protect against corrosion. Hinged doors are located in the front of the cabinet for easy
access to all components. Operator controls are conveniently located on the front of the cabinet.
NOTE
Customer specifi ed nonstandard features or design variations may not be described in this manual. Refer
to the installation and/or electrical drawings supplied with your unit for details on additional feature(s). In
some cases an addendum to this manual may also be included to further describe the feature(s).
Figure 1 depicts a sample internal layout of a CCU (upfl ow) unit and identifi es the major components.
Location of the major components vary depending on CWE model number and options purchased.
Figure 1- Typical Internal Layout- Upfl ow
(Model CCU-2300-CWE shown for reference)
SUPPLY/RETURN
PIPING
ELECTRIC BOX
CHILLED WATER
VALVE
PREFERRED POWER
SELECTOR SWITCH
(OPTIONAL)
HUMIDIFIER
CONDENSATE PUMP
(LOCATION MAY VARY)
FILTERS
(CUT-AWAY TO
SHOW DETAILS)
FILTER FRAMES
EC FANS
ELECTRIC HEATERS
COILS
SMOKE DETECTOR
(OPTIONAL)
Figure 2 depicts a sample internal layout of a CCD (downfl ow) unit and identifi es the major components.
SUPPLY/RETURN
PIPING
ELECTRIC BOX
CONDENSATE PUMP
(LOCATION MAY VARY)
COIL(S)
CHILLED
WATER VALVE
PREFERRED POWER
SELECTOR SWITCH
(OPTIONAL)
EC FANS
ELECTRIC
HEATERS
HUMIDIFIER
Figure 2- Typical Internal Layout- Downfl ow
(Model CCD-3600-CWE shown for reference)
1-5
