11
TC5-8SDA rev.03
TC5-8SDA
It is preferable to solder the cable joint to ensure a proper
contact between the two cables.
CAUTION:
Do not run probe cables next to other power cables.
When crossing over other cables, cross at 90°.
3
Installing the Outside Probe
Run the outside probe cable on the north side of the building, 6 ft
(2 m) below the eave, inside a pale colored conduit. Avoid install-
ing the probe in direct sunlight or exposed to the rain.
Be sure the probe cable is isolated from sheet metal or any other
conductive material.
Be sure no cable joint is exposed to air or water.
4
Defective Probes
If a defective probe is detected, the Defective Probe Pilot Light flashes.
The room temperature shown on the display is then the average tempera-
ture measured by the probes in working condition. The controller will
operate according to this temperature.
To identify the defective probe:
Set the selection knob to
ROOM TEMPERATURE
. The
room temperature is dis-
played.
Press the push-button. If the
probe connected to input # 1
and supplied with the control-
ler is not defective, the letters"
PR1
" are displayed, alternating
with the on/off state of the probe and the temperature mea-
sured by the probe. If the probe is defective, the letters "
PR1
"
are displayed, alternating with the state of the probe and the
letter "
P
".