Schneider Electric EER56100 Installation Guide download pdf (Page 23)

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Anticipator Control

The Anticipator Control settings are used to anticipate the need to turn the system on or off before the

temperature is actually at the setting.

People perceive temperature as a combination of heat in the air and heat radiated from the walls and

surroundings. The thermostat also measures a combination of air and wall temperature. When

heating, the air temperature rises faster than the wall temperature. The thermostat turns the heat off

briefly to prevent overheating the air while the wall temperature catches up.

When cooling, the thermostat periodically runs the cooling system to circulate the air and remove

humidity when the temperature is close to, but not above the desired cool setting.

Because of the PID algorithm and auto balance routine which monitors the performance of the HVAC

system, the anticipator settings are automatic by default. However, the anticipator settings may be

adjusted if desired.

Heat Anticipator: adjusts the tendency of the thermostat to turn the heating unit off before the desired

heat setting is reached. This is done to avoid overheating the air while the walls and furniture catch up.

A setting of 0–4 is intended for fast reacting heating systems, such as forced air. A setting of 6–10 is

intended for slow reacting heating systems, such as radiant heat. A setting of 5 is used for automatic

anticipation.

A lower setting decreases the tendency to turn off the heating system before the desired heat setting is

reached. If the heating system response time is slower, as are most radiant heating systems, a higher

number will help maintain an even space temperature.

Cool Anticipator: adjusts the tendency of the HVAC to run the cooling system to refresh and

dehumidify the air before the temperature rises to the desired cool settings. A setting of 0–4 is

intended for more humid climates and increases the tendency for the cooling system to turn on to

refresh and dehumidify the air. A setting of 6–10 is intended for dry climates and decreases the

tendency to run the cooling system below the cooling setting. A setting of 5 is used for automatic

anticipation.

2nd/3rd Stage Extended On: When enabled and if any 2nd or 3rd stage turns on, it will remain on until

the heat/cool is satisfied, regardless of the settings for any stage differentials. The default setting is off.

Cool Anticipator *5

Heat Anticipator *5

Stage Extended On *Off

An asterisk (*) next to a setup item indicates the default (factory) setting.

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Schneider Electric EER56100 Installation Guide Page 23