Instruction manual
Table Of Contents
- Introduction
 - Using the Keypad/Display
 - Keypad/Display Menu Structure
- System Summary Menu
 - Standard Menus
 - System Menu
 - Occupancy Menu
 - Temperature Menu
 - Flow Summary Menu
 - Supply Fan Speed Menu
 - Return/Exhaust Fan Speed Menu
 - Cooling Menu
 - Head Pressure Menu
 - Evap Condensing Menu
 - Economizer Menu
 - Min OA Damper Menu
 - Heating Menu
 - Energy Recovery
 - Dehumidification Menu
 - Daily Schedule Menu
 - One Event Schedule Menu
 - Holiday Schedule Menu
 - Optimal Start Menu
 - Operating Hours Menu
 - Extended Menus
 - Unit Setup Menu
 - Timer Settings Menu
 - Time/Date Menu
 - Supply Fan Setup Menu
 - Return/Exhaust Fan Setup Menu
 - Zone Temperature Setup Menu
 - Compressor Setup Menu
 - Head Pressure Setup Menu
 - Chilled Water Setup Menu
 - Economizer Setup Menu
 - Design Flow Setup Menu
 - Heating Setup Menu
 - Dehumidification Setup Menu
 - Alarm Out Configuration Setup Menu
 - Alarm Limits Setup Menu
 - Manual Control Menu
 - LON/BACnetIP/BACnetMSTP Setup Menu
 - Active Alarm Menu
 - Alarm Log Menu
 - Advanced Menus
 - Unit Configuration Setup Menu
 - Save/Restore Menu
 - Alarm Delays Setup Menu
 - Analog Input Status Menu
 - Universal I/O Status Menu
 - Digital Input Status Menu
 - Digital Output Status Menu
 - Adv Setup Settings Menu
 - Adv Status Parameters Menu
 
 - Alarms
 - Operator’s Guide
- Determining Unit State
 - Off Operating State
 - Start Up Operating State
 - Recirculating Operating State
 - Heating
 - Economizer
 - Mechanical Cooling
 - Determining Unit Status
 - Determining Control Mode
 - Determining Cooling Status
 - Determining Heat Status
 - Determining Economizer Status
 - Determining Cooling Capacity
 - Determining Heating Capacity
 - Determining Supply Air Fan Capacity
 - Determining RF/EF Capacity
 - Determining Outside Air Damper Position
 - Determining Emergency Mode
 - Determining Application Mode
 - Determining Occupancy Status
 - Determining Occupancy Mode
 - Determining Occupancy Source
 - Unoccupied Operation
 - Scheduling
 - Temperature Control Configurations
 - Heat/Cool Changeover
 - Dehumidification
 - Energy Recovery
 - Outside Air Damper Control
 - Outside Air Damper Control, Two Position
 - Special Procedures for Units with WRV and More Than Two Circuits.
 - Water Pump Control
 - Cooling: Multistage
 - Cooling: Modulating
 - Heating Control
 - Modulating
 - Min DAT
 - Indoor Air Fan - On/Off Control
 
 

10 McQuay OM 920
Keypad/Display Menu Structure
Keypad/Display Menu Structure
The following is a description of the MicroTech III menu structure. These menus and items 
can all be displayed with the keypad/display. Menu items displayed will change based on the 
selected unit configuration. Keypad/display menus are divided into 1) System Summary 
menu - password required. 2) Standard menu - password not required. 3) Extended Menu - 
higher level password required. 4) Advanced Menu - requires the highest level password.
Figure 4: Keypad/Display Menu Structure










