ECOSAIRE EN Series, Owner'S Manual

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Owners Manual Ecosaire
®
EN Series Precision Air Conditioner
Ecosaire ® July 2009 45
Data subject to change without notice.
ST
ARTUP
Adjust Remote Heat Exchanger Controls Startup
HEAT EXCHANGER FAN ROTATION
The remote heat exchanger fans must rotate so as to produce
an upward or outward air discharge as shown.
Single-phase fans will inherently turn the proper direction. If
three-phase fans turn the wrong way, a qualified person should
disconnect the branch circuit and interchange any two wires on
the power inlet lugs in the condenser control enclosure.
Do not
move any factory- installed wires.
Discharge air must flow upward or outward.
optional remote condenser
Air-Cooled Direct Expansion, Glycol-Cooled Direct Expansion,
Air-Cooled DualCool, & Glycol-Cooled DualCool Units Only
HEAT EXCHANGER FAN THERMOSTATS
Remote heat exchangers have a minimum number of fans that run whenever the Ecosaire ® unit is in cooling
mode. Other fans may be controlled by thermostats sensing outdoor air temperature. Where this is the case,
the thermostats must be adjusted at installation, using the diagrams below.
HEAT EXCHANGER
CONTROL ENCLOSURE
FAN ARRANGEMENT
xx
No adjustments necessary.
75
fan contactors
set point (°F) fan thermostat
xx xx
55 75
xx xx xx
35 65 75
xx xx xx xx
35 45 65 80
xx xx
65 65
xx xx xx xx
4565 45 65
xx xx xx xx xx xx
3565 75 3565 75
EXAMPLES
Appearance, location, and
quantity of component
s
may vary
.