Introduction; Getting Started; Using The Local User Interface (Lui); 2-Digit 7-Segment Display - McQuay MicroTech II Operation & Maintenance Manual

INTRODUCTION

This manual contains information regarding the MicroTech II™ control
®
system used in the AAF -HermanNelson
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 2. MicroTech UVC Installation Literature
Unit Ventilator Control Configuration
MicroTech II Unit Ventilator Controller
Table 3. Model-Specific Unit Ventilator Installation Literature
Unit Ventilator
Model Designations
AED, AEQ
ARQ, ERQ
AZS, AZQ, AZV, AZU, AZR
AVS, AVV, AVR, AVB
AHF, AHV, AHR, AHB
Table 4. Protocol-Specific Communication Card Installation Literature and Protocol Data
Unit Ventilator Available Protocols
Unit Ventilator Unit Controller LonWorks® Communications Module
Unit Ventilator Unit Controller JCI N2 Open® Communications Module
Unit Ventilator Unit Controller BACnet® Communications Module
Protocol Data Packet

GETTING STARTED

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.
Figure 1. Local User Interface (LUI)
OM 750
®
Unit Ventilator product
Description
Air Source Heat Pump
Water Source Heat Pump
Self-contained
Vertical Split-system
Horizontal Split-system
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.
Bulletin Number
IM 747
Bulletin Number
IM 729
IM 730
IM 731
ED-15065
NOTICE
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.
NOTICE
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.
Installation
Manual Bulletin
Number
IM 502
IM UV-3-202
IM 503
IM 725
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