Vermont Castings DFS3224A, Installation And Operating Instructions Manual

Page: 19 / 40

26D3310
19
W
ARNING
CHECKING GAS PRESSURE
NPT Test Plug
MANUAL CONTROL
(Figure 18)
The pressure regulator is preset and locked to
discourage tampering. If the pressure is not as
specifi ed, replace the regulator with the correct part
from the parts list in this manual.
Remove
1 /
8
" NPT plug, located on side of regulator
body. Install fi tting and tubing to pressure gauge.
After taking pressure reading, reinstall test plug.
Check for gas leaks.
MILLI-VOLT CONTROL AND
THERMOSTAT CONTROL
(Figure 20)
The valve regulator controls the burner pressure which
should be checked at the pressure test point.
Turn captured screw counter clockwise two or three
turns and then place tubing to pressure gauge over
test point (Use test point “OUT” closest to control
knob). After taking pressure reading, be sure and turn
captured screw clockwise fi rmly to re-seal. Do not
over torque. Check for gas leaks.
Figure 18 - Pressure Test Point Location
Manual Control
Figure 20 - Pressure Test Point Location
Milli-Volt Control
When tightening up the joint to the valve, hold the valve securely to prevent movement.
Test all gas joints from the gas meter to the heater valve for leaks using a gas analyzer or soap and water solution after
completing connection.
DO NOT USE AN OPEN FLAME.
Check the gas pressure with the appliance burning and the control set to
HIGH
.
Connecting directly to an
unregulated propane/LPG tank
can cause an explosion.
W
ARNING
Figure 19 - Pressure Test Point Location
Hi/Lo Control
Test Port “OUT” Test Port “OUT”
“OUT” Test Port
HI/LO REMOTE CONTROL (Figure 19)
Turn captured screw counter clockwise two or three
turns. (The port is labeled “OUT”) Place tubing to
pressure gauge over test point. After taking pressure
reading, be sure to turn captured screw clockwise
fi rmly to reseal. Do not over torque. Check for gas
leaks.