Honeywell VS8510 Manual page 6

VS8510/VS8520 MILLIVOLT COMBINATION GAS CONTROL
3. Thread pipe 9/16 in. into the control. Do not insert
deeper than 3/8 in. Valve distortion or malfunction can
result if the pipe is inserted too deeply.
4. Apply a moderate amount of good quality pipe
compound (do not use Teflon tape) to pipe only, leaving
two end threads bare. On LP installations, use
compound resistant to LP gas. See Fig. 3.
5. Remove seals over control inlet and outlet, if necessary.
6. Connect pipe to control inlet and outlet. Use wrench on
either side of the pipe outlet. Refer to Fig. 2 through 6.
DROP
PIPED
HORIZONTAL
GAS
SUPPLY
GAS
CONTROL
3 INCHES
(76 MM)
MINIMUM
DROP
HORIZONTAL
TUBING
GAS
1
SUPPLY
GAS
CONTROL
RISER
3 INCHES
(76 MM)
MINIMUM
CAUTION
GAS LEAKAGE HAZARD
FAILURE TO FOLLOW PRECAUTIONS CAN
RESULT IN A GAS-FILLED WORK AREA.
SHUT OFF THE MAIN GAS SUPPLY BEFORE REMOVING END CAP.
TEST FOR GAS LEAKAGE WHEN INSTALLATION IS COMPLETE.
1 ALL BENDS IN METALLIC TUBING SHOULD BE SMOOTH.
Fig. 2. Sediment trap installation.
68-0203
GAS
CONTROL
RISER
PIPED
GAS
SUPPLY
3 INCHES
(76 MM)
MINIMUM
Fig. 5. Top view of gas control with standard regulator.
M4603A
APPLY WRENCH
FROM BOTTOM OF
GAS CONTROL TO
SHADED AREA
Fig. 6. Proper use of wrench on gas control.
6
TWO IMPERFECT
THREADS
GAS CONTROL
PIPE
THREAD PIPE ACCORDING TO
INSTALLATION PROCEDURE FOR
INSERTION INTO GAS CONTROL.
Fig. 3. Use moderate amount of pipe compound.
WIRING INLET
TERMINALS PRESSURE TAP
OUTLET HI/LO
REGULATOR
PRESSURE TAP
Fig. 4. Top view of gas control with HI/LO regulator.
WIRING INLET
TERMINALS PRESSURE TAP
OUTLET PRESSURE REGULATOR
PRESSURE ADJUSTMENT (UNDER
TAP CAP SCREW)
APPLY A MODERATE AMOUNT OF
PIPE COMPOUND TO PIPE ONLY
(LEAVE TWO END THREADS BARE).
M6913
PILOT
ADJUSTMENT SCREW
GAS
CONTROL KNOB
M12675
GAS PILOT
CONTROL ADJUSTMENT
KNOB SCREW
M12674
M6916