Sterling EV User Manual
Outdoor rooftop evaporative cooling units

IIEVC-6
J30-05401
INSTALLER'S RESPONSIBILITY
Installer Please Note: This equipment has been tested and inspected. It has been shipped
free from defects from our factory. However, during shipment and installation, problems such as
loose wires, leaks or loose fasteners may occur. It is the installer's responsibility to inspect
and correct any problems that may be found.
The model and serial numbers are located on the data plate attached to the side of the cooler.
Record this information in the spaces provided below.
Model
No.
Serial
No.
Maintain water in sumps by proper microbicidal water treatment to mini-
mize the risks of illness caused by Legionella Pneumophila (the bacteria that causes
Legionnaire's Disease) and other bacteria. Refer to local codes regarding any additional
treatment or restrictions regarding water supplies and usage.
INSTALLATION SERVICE MANUAL
OUTDOOR ROOFTOP EVAPORATIVE COOLING UNITS
*Unit Type (EV) - Capacity (CA) - (10-40)
Evaporative Cooling systems meet a wide range of heating and ventilating requirements. The Evaporative Cooler
may be purchased as an individual unit in four sizes from 800 CFM to 8500 CFM (0.4 to 4.0 m
3
/s) or, it can be
combined with Rooftop Packaged Units (Natural or Power Vented), Air Handlers, or Make-up Air Handlers. In any
combination, the Evaporative Cooler will replace the need for 100% Outside Air Inlet Hood.
Evaporative Cooling is the simplest and most-cost effective cooling method without the use of mechanical
refrigeration.
*This manual may also be used for the following:
Unit Types (UT) - (RT or PV)
Rooftop Arrangements (RA) - (D or E) and
Unit Type (UT) - (AH)
Rooftop Arrangements (RA) - (P or R)
Capacity (CA) - (20 or 40)
ATTENTION: Read This manual IIEVC, manuals RISM* and RBM*, submittal/data sheets,
and all labels attached to the unit carefully before attempting to install, operate, or ser-
vice the Evaporative Cooling Unit! Retain this manual for future reference.
FPO
260 NORTH ELM ST., WESTFIELD, MA 01085
TEL: (413) 568-9571 FAX: (413) 562-8437
www.mestek.com