Operating Chiller (With an External Controller)

Controller with an internal thermostat control

Activating Chiller

Set the desired temperature at the external controller.
Use the external controller to select either the "Pool" or "Spa" to heat.

Deactivating Chiller

Set the external controller to "OFF".

Please note - If equipped, the chiller's cooling function will be disabled when using this type of controller.

If the cooling function is needed, the chiller must be temporarily re-programed for local control. Check with controller installer if chiller needs to be re-programmed.

Controller with 2 positions - ("Pool" and "Spa" - no internal thermostat control)

Activating Chiller

Set the desired temperatures on the chiller thermostats. See "Setting Thermostats"
Use the external controller to select either the "Pool" or "Spa" to heat.

Rapid movement between thermostats without a "rest" between each change can cause a missed signal by the chiller.

Deactivating Chiller

Go to the heat pump and set the mode to "OFF". See "Setting Operating Mode"

Please note - If equipped, the chiller's cooling function will be disabled when using this type of controller.

If the cooling function is needed, the chiller must be temporarily re-programed for local control. Check with controller installer if chiller needs to be re-programmed.

Controller with 3 positions - ("High", "Low", and "Off" - no internal thermostat control):

Activating Chiller

Set the desired temperatures on the chiller thermostats. See "Setting Thermostats"
Use the external controller to select either "High" or "Low" to heat.

When changing between thermostats, select "Off" first. Then select desired thermostat.
Rapid movement between thermostats without a "rest" between each change can cause a missed signal by the chiller.

Deactivating Chiller

Set the external controller to "OFF".