User Manual

Generic Heaters
1. Wire heater to 120/240V power source per the instructions in the heater manual. The Pro Logic does
NOT control the power going to the heater.
2. Wire the Pro Logic dry contact heater output per the diagram below. Many internal parts of the heater
can get very hot--see the heater manufacturer’s recommendations on the minimum temperature rating
for wires. If no guidance is given, use 105°C rated wire.
3. Set any ON/OFF switch on the heater to ON.
4. Set the thermostat(s) on the heater to the maximum (hottest) setting.
Laars Heaters
1. Turn power off to heater.
2. Remove factory jumper from terminal block.
3. Wire Pro Logic to the heater as shown.
4. Ensure toggle switch is in the ON position.
5. Set heater thermostats to maximum position.
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Hayward Heaters
Refer to the instructions in the heater manual for “2-wire Remote Thermostat” operation under “Remote
Control Connections” and the diagram below:
1. Turn off power to heater.
2. Wire Pro Logic to terminals 1 & 2 (see diagram).
3. Leave jumper attached to terminals 4 & 5.
4. Move “BYPASS” dipswitch on heater circuit board to “ON” position (up).
5. Turn heater power back on.
6. Switch heater to either “Pool” or “Spa” (it doesn’t make any difference which is selected, the Pro
Logic will take control).
7. Heater display should be “bO” (for “bypass On).
8. Heater will fire whenever Pro Logic requests (when Pro Logic “Heater” LED is illuminated).
Pentair/Purex/MiniMax
1. Turn power off to heater.
2. Remove factory installed jumper from the “Ext Switch” connector.
3. Wire the Pro Logic to the “Ext Switch” connector as shown below.
4. The wires to the Pro Logic must be separated from any line voltage wires. Failure to follow these
instructions may cause erratic operation of the heater.
5. Set the Power (Thermostat Select) switch to either “Pool” or “Spa”.
6. Set the “Pool” and “Spa” thermostats to their maximum settings.
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x
x
Heater
MINIMAX
Ext.
Switch
Remove
Factory Jumper
x
x
Heater
to limit switches
remove jumper
Fusible Link
white
white
Ignition/Valve
Heater
Kill Switch
Thermostat
x
x
Heater
x
x
Heater
Do not remove jumper
Terminal block located at
electrical junction box
Dipswitch located on heater
circuit board
PK
W
R
BK
R
ONºC
OFF
ºF