User’s Manual EM11A017
DCM601A71 intelligent Touch Manager
192
8-4 Setting up the Temperature Limit
Temperature Limit is a function that keeps the room temperature within an upper and lower limits by
automatically starting the cooling or heating when the room temperature exceeds the set upper
limit or drops below the set lower limit. Using this function, you can prevent condensation and
overheating in products stored in an unmanned room.
This function performs the following every 5 minutes for each indoor unit registered with a
Temperature Limit group you have created and have this function enabled.
• When Off and room temperature > upper limit room temperature, sends the order to cool.
• When Off and room temperature < lower limit room temperature, sends the order to heat.
• When cooling is On by this function and room temperature < upper limit temperature –7°F, or
room temperature < cool setpoint, sends the order to stop.
• When heating is On by this function and room temperature > lower limit room temperature +7°F,
or room temperature > heat setpoint, sends the order to stop.
• Assessments following an order to start cooling or heating are not performed until after a
period of 30 minutes. However, assessments are performed immediately and then, every
5minutes when they follow a group member or group attribute change.
NOTE
Room temperature
Time
Lower limit
Upper limit
<Room Temperature and Operation>
Heat ON
Lower limit +7°F
Upper limit –7°F
Heat OFF
Cool ON
Cool OFF
Heating Cooling
Room
temperature
kept within
this range
However, in the following situations, the above is not performed:
• The indoor unit is On by an order from another function, such as the Schedule Control or
Interlocking Control function.
• The indoor unit received an order to start from another function while in operation by an order
from this function.
• The suction temperature for the indoor unit cannot be acquired.
• Be careful since an indoor unit that has been started by this function will remain On if the
suction temperature cannot be acquired.
NOTE
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