The circuit breaker should be rated 20 amps for total circuit loads up to 15 amps. A 15-amp circuit breaker may
be used for total circuit loads up to 12 amps.
A GFCI (ground-fault circuit interrupter) or AFCI (arc-fault circuit interrupter) type circuit breaker may be used,
but is not necessary.
Warning
Make sure 120 VAC is supplied to 120 VAC cables and 240 VAC is supplied to 240 VAC cables. Otherwise,
dangerous overheating and a fire hazard could result. Do not exceed 15-amps on this control.
Bottom Plate Work
Drill or chisel holes at the bottom plate as indicated. One hole is for routing the power lead conduit and the other
is for the thermostat sensor. These holes should be directly below the electrical box(es).
SunStat Sensor Installation
The SunStat sensor can be installed with or without electrical conduit depending on code requirements. Conduit
is recommended for added protection against nails and screws.
Do not place the sensor in the same conduit as the power leads to avoid possible interference. Open a separate
knockout in the bottom of the thermostat box. Feed the sensor (and conduit, if used) through the knock-out,
down through the cut-out in the bottom plate, and out into the floor where the heating cable will be installed.
If the sensor wire needs to be secured to the wall stud, wait until after the wire or mat and sensor are
completely installed on the floor.
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