INSTALLATION & OPERATIONS GUIDE | MICROSET 4
© Honeywell LT-MS4IOG Rev. 04 | Revised October 2015
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M5–Office, Fan, Unoccupied
Set BV-64 and BV-81 OFF and BV-80 ON. The Across the Room View is a blank screen, the
Temperature screen does not allow adjustment of the space temperature setpoint, and the Fan screen
shows a non-adjustable fan speed of Auto. The unit controls HVAC equipment to maintain space
temperature within the unoccupied setpoints.
If the After-hours Override timer is set above zero (0:00), the screen in Across the Room View shows
the override time remaining, the Temperature screen allows adjustment of the space temperature
setpoint, and the fan speed is adjustable. The unit controls HVAC equipment to maintain space
temperature within the user-selected occupied setpoints.
This mode’s counterpart is M4, which is activated by setting BV-64 ON.
Figure 16 M5 screen flow sequence.
Hotel modes
Hotel modes have a feature set typically used in the hospitality industry. Screens might not appear on
the Microset 4 in the order shown, or at all, depending on Microset 4 model, configuration, and settings.
M6—Hotel, No Fan, Rented
Set BV-64 and BV-81 ON and BV-80 OFF. Operation depends on whether the unit is ON or OFF. When
the unit is displaying the Across the Room View, the occupant can press anywhere on the screen to
display the ON/OFF screen. Once at the Temperature screen, the occupant can press the
UP/DOWN
arrows to turn the operation of the HVAC system ON or OFF.
In the ON condition, the Across the Room View will display the occupant-selected space temperature
setpoint (AV-90) or room temperature (AV-101). The unit controls HVAC equipment to maintain space
temperature within occupied setpoints.
In the OFF condition, the Across the Room View will display the word OFF. The unit controls HVAC
equipment to maintain space temperature within unoccupied setpoints.
This mode’s counterpart is M7, which is activated by setting BV-64 OFF.
Figure 17 M6 screen flow sequence.
Across the Room View
“Unoccupied”
Temperature
Fan
Speed
Air
Quality
Windows
Humidity
Override
Unoccupied
Set Points
Lights
Across the Room View
“Rented”
Air
Quality
Windows
Lights
Humidity
ON/OFF
Temperature
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