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Terminal 1 and 2 are connected to the 2 blue leads in the interface box. Terminals 3
and 4 are connected to the temperature probe, Terminal 3 being negative (gray wire),
Terminal 4 positive (red wire).
The probe can be run up to 500 feet away from the alarm box. Due to voltage
drops the following wire sizes are recommended.
Maximum distance of probe from Hi-Temp Alert
The alarm can also be fine tuned to individual temperature variations by adjusting the center
adjustment screw. (DO NOT ADJUST SCREW TO THE RIGHT OF THE DISPLAY)
CAUTION: SHORTING TERMINALS #5 AND #6 OR #5 AND #7 IN ALARM BOX
WILL DAMAGED CIRCUIT BOARD. USING AN AUXILIARY SIGNALING
DEVICE REQUIRING MORE THAN .4 AMPS @ 12VDC WILL DAMAGE THE HI
TEMP BOARD AND VOID WARRANTY.
AUXILIARY SIGNALING DEVICE:
The alarm signaling device is rated 82 DB. at 4 ft. If a louder signal is needed or
more that 1 location, Terminals 5 and 7 can be used to power another device with power
requirements of 12 VDC, .4amps. If the auxiliary device or devices use more power than
.4 amps, use the terminals to power a 12 VDC coil of a relay to switch a separate power
source.
(These part can be obtained from your Hi-Temp Alert Dealer)
ADJUSTING TEMPERATURE SET POINT:
The alarm box has a set point screw inside the unit on the circuit board located to the
left of the display. Hold the display switch to the alarm temperature setting. With a small
screwdriver, turn the set point screw until the LED Display reads (SAUNA - 194 degrees)
(STEAM ROOM - 120 degrees) (SPA/HOT TUB - 104 degrees)*
* These are NY City temperature limits, check your local requirements!
SAUNA AND STEAM ROOMS:
The temperature probe is installed on the ceiling of the steam or sauna room,
centered over the longest bench in the room. Use the nylon Clamp to hold the probe in
place. Seal the hole with silicone sealant. Be sure air can circulate around the probe.
SPA/HOT TUBS
50Ft.
75Ft.
125Ft.
175Ft.
300Ft.
PROBE INSTALLATION
c.5/1/2001
Wire Size
#20
#18
#16
#14
#12
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