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
54 McQuay OM 920
Keypad/Display Menu Structure
Adv Setup Settings Menu
The Advanced Setup Settings Menu should only be accessed by trained service
personnel.
The Advanced Setup Settings Menu can be accessed when a level 2 password has been
entered.
Table 50: Adv Setup Settings Menu
Menu Display Name Item Display Name Default Setting Range Password Level
Adv Setup Settings 0-30% OA Max = 30% 0-100% 2
Des Clg Spd= 100% 0-100% 2
Unocc Diff= 3d°F 0-10d°F 2
Service Time= 20s 0-300s 2
DLS Strt Mon= Mar Jan 2
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
DLS Strt Wk= 2ndWeek 1stWeek 2
2ndWeek
3rdWeek
4thWeek
5thWeek
DLS End Mon= Nov Jan 2
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
DLS End Week= 1stWeek 1stWeek 2
2ndWeek
3rdWeek
4thWeek
5thWeek
DLS Active= Yes Yes/N o 2
Gas Derate V= 10V 0-10V 2
Max Purge Hld 10-180s 2
Rapid Start= No No 2
Yes
Rapid Start Tm= 10min 0-20min 2
Name POL687 ****** 2
RH Sens Type VDC VDC/mA 2
RH Min Signal 0.0V 0.0-20V/mA 2
RH Min Signal 10.0V 0.0-20V/mA 2