A
base
IOM67
5
February 2021 R0
OVERVIEW
The Engineered Air
base
controller is the primary
operational component of Engineered Air heating
equipment, with and without cooling. Functions
include:
Outdoor, discharge and room temperature
monitoring.
Single and variable speed fan control.
Analog heating and cooling outputs.
Damper and economizer control.
Alarm annunciation.
Freeze protection.
Each
base
controller is factory programmed
specifically for the equipment installed. Refer to
the appliance function description for additional
details.
HARDWARE INFORMATION
Control Voltage
24Vac 60Hz
Digital Output Rating
120V 10A
Analog Output
0-10Vdc
Analog Input
0-10Vdc or 4-20mA
Temperature Rating
-40 – 150°F (65°C)
Temperature Sensor
10k Type 2 NTC
Terminations
#14 awg max.
m
NOTICE:
Digital inputs connections to the
base
or any of the
expansion modules cannot use mosfet solid state
switches. Input switching must be mechanical.
COMMUNICATION
Direct connection may be made to a laptop
computer using a Cat.5 cable. Once connected and
correctly configured, a web page will appear
showing the various operational conditions and
settings.
COMPUTER CONNECTION
m
Notice:
The
base
requires a connection to a computer for
detailed information beyond what is indicated on
the LED displays.
Direct connection may be made to a Windows 10 OS
computer or tablet. To gain access to the
base
display interface connect using a Cat.5 Ethernet
cable to the
base
, near the top right of the
controller. Tablets may require a USB to Ethernet
adapter. Any Windows based web browser should
work.
To set the correct IP address, click the Start
button, then Settings, then Network and Internet.
Then, click Ethernet (on the left side), then Change
Adapter Options. Click the Ethernet icon and a
status page should open. Press Properties, then
Ethernet, then select Internet Protocol Version,
and then Properties.
Set a static IP address on the computer with the
following settings:
