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P/N: 18122 Page 3 Rev. 1.0
Rev Date: 9/7/07
Sensor Installation
The sensor supplied with the S-2A includes a
standard 20 foot ( 8.29m) cable. If a longer cable
is desired contact your dealer or Fireboy-Xintex.
Coil excessive cable in a convenient location.
Remove the paper covering the adhesive backing
on the sensor-mounting surface and press the
sensor into position on a previously cleaned
surface. Install with two (2) screws provided.
CAUTION: Do not attempt to use any other
manufacturer’s sensor or previously installed
sensors.
Figure 2
Sensor Location
CAUTION: Propane is heavier than air and will
settle. Therefore it is important that a location be
selected that is as low as practical and as near the
appliance as is possible. Keep sensor dry.
CNG (Compressed Natural Gas) is lighter than air and will rise. Therefore, it is important that a
location be selected that is within nine (9”) inches (22.86cm) of the ceiling height. Do not locate
sensor directly over cooking or heating appliances. Keep sensor dry.
Solenoid Installation
Propane (LPG) — Mount the solenoid in-line on the tank
side of the LPG regulator as close to the tank as is practical.
The tank itself should be mounted outside the cabin or
crew quarters to avoid the possibility of gas accumulation
due to a leak between the tank and the solenoid valve.
CNG — Because of the high tank pressure of CNG, the
solenoid valve MUST be installed after the CNG regulator
and as close to the regulator as practical. The tank
and regulator should be mounted outside the cabin or
crew quarters to avoid the possibility of gas accumulation
due to a leak between the tank and the solenoid valve,
NOTE: DO NOT over-tighten fittings. Doing so will cause
the solenoid valve to malfunction. After installation, check
all fittings for leaks with a soapy water solution - NEVER Figure 3
use flame to check for leaks. Use 2 wrenches when tightening
connections to avoid twisting the valve and causing damage.