OM 750 Page 5 of 32
Unit Ventilator Available Protocols Bulletin Number
Unit Ventilator Unit Controller LonWorks® Communications Module IM 729
Unit Ventilator Unit Controller JCI N2 Open® Communications Module IM 730
Unit Ventilator Unit Controller BACnet® Communications Module IM 731
Protocol Data Packet ED-15065
Unit Ventilator
Installation
Model Designations
Description Manual Bulletin
Number
AED, AEQ Air Source Heat Pump IM 502
ARQ, ERQ Water Source Heat Pump IM UV-3-202
AZS, AZQ, AZV, AZU, AZR Self-contained IM 503
AVS, AVV, AVR, AVB Vertical Split-system
AHF, AHV, AHR, AHB Horizontal Split-system
IM 725
Unit Ventilator Control Configuration Bulletin Number
MicroTech II Unit Ventilator Controller IM 747
Many UVC parameters are accessible both through the LUI and the
network interface. The shared LUI and the network interface
variables have a “last-change-wins” relationship.
2-DIGIT 7-SEGMENT DISPLAY
The LUI 2-digit 7-segment display normally will be displaying the
effective (current) heating or cooling setpoint (Effective Setpoint
Output). The LUI display is also used to view and adjust many UVC
parameters as explained in the following sections.
When the UVC is in the Off mode, the LUI will display the current
heating setpoint and all other LED’s will be switched off.
ON/STOP BUTTON AND LED
The On/Stop button is used to toggle the UVC between Off mode and
running (Application Mode Input). The On/Stop LED will be off when
the UVC is in the off mode.
GETTING STARTED
This manual contains information regarding the MicroTech II™ control
system used in the AAF
®
-HermanNelson
®
Unit Ventilator product
line. It describes the MicroTech II components, input/output
configurations, field wiring options and requirements, and service
procedures.
For installation and general information on the MicroTech II Unit
Ventilator Controller, refer to the appropriate installation and
maintenance bulletin, see Table 2.
Table 3. Model-Specific Unit Ventilator Installation Literature
Table 2. MicroTech UVC Installation Literature
Using the Local User Interface (LUI)
The MicroTech II UVC is a self-contained device that is capable of
complete, stand-alone operation. Information in the controller can be
displayed and modified by using the Local User Interface (LUI). The
following sections describe how to use the LUI.
Table 4. Protocol-Specific Communication Card Installation Literature and Protocol Data
Figure 1. Local User Interface (LUI)
NOTICE
INTRODUCTION
For installation, commissioning instructions and general information
on a particular unit ventilator model, refer to the appropriate model-
specific installation manual, refer to Table 3.
For installation and manual instructions on a particular plug-in
communications card, refer to the appropriate protocol-specific
installation manual, see Table 4. For a description of supported
network variables for each protocol refer to Protocol Data Packet
bulletin, see Table 4.
NOTICE
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