Connecting To A Laars Heater; Connecting To A Pentair Minimax, Pentair Mastertemp; Connecting To A Starite Heater - Pentair Pool and Spa Control System SunTouch Installation And User Manual

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Connecting to a Pentair MiniMax, MasterTemp
To connect a Pentair MiniMax, MasterTemp, or Purex Laars heater to SunTouch:
1. Switch the power OFF to the heater.
2. Remove the factory installed jumper from the "Ext Switch" connector.
3. Connect the two-wire cable from J12 on the SunTouch motherboard to the "Ext Switch" terminal as
shown below. CAUTION: Be sure that the wires from the heater to the SunTouch Power Center are
not near or touching any line voltage wires in the heater. Failure to follow these instructions may
cause the heater to malfunction.
4. Set the Power (Thermostat Select) switch to either "Pool" or "Spa."
5. Set the "Pool" and "Spa" thermostats to their maximum position.

Connecting to a StaRite heater

To connect a StaRite heater to SunTouch (including Pentair MaxiTherm heater):
1. Switch the power OFF to the heater.
2. Remove the upper jacket and open the control box.
3. Remove the jumper for the "Fireman's switch.
4. Connect the two-wire cable from J12 on the SunTouch motherboard to the Fireman's Switch
connector block as shown below. Use 105° C temperature rated wire for connection to the heater.
When connecting wires inside the heater, be cautious of HOT internal parts of the heater. Refer to
the minimum temperature rating for wires recommended by the manufacturer. See the heater owners
manual for details.
5. Switch ON the main power toggle switch of the heater. Note, SunTouch does not control the AC
power to the heater.
6. Set the heater thermostats to the maximum position.
SunTouch Pool and Spa Control System Installation and User's Guide