Honeywell VR8305, Quick Manual, Page: 6 / 16

6
Fig. 5—Install sediment trap.
VR8305
INSTALLATION
Fig. 7—Proper use of wrench on gas control with and without flanges.
Fig. 6—Use moderate amount of pipe com-
pound.
tubing is used, ensure the ends are square, deburred and
clean. All tubing bends must be smooth and without
deformation.
2. Run pipe or tubing to the gas control. If tubing is used,
obtain a tube-to-tube coupling to connect the tubing to
the gas control.
3. Install sediment trap in the supply line to the gas
control. See Fig. 5.
Install Gas Control
TABLE 4—NPT PIPE THREAD LENGTH IN INCHES.
Maximum Depth
Pipe Can Be
Pipe Thread Pipe Inserted Into
Size This Amount Control
3/8 9/16 3/8
1/2 3/4 1/2
3/4 13/16 3/4
GAS
CONTROL
GAS
CONTROL
HORIZONTAL
DROP
PIPED
GAS
SUPPLY
PIPED
GAS
SUPPLY
3 IN.
(76 MM)
MINIMUM
3 IN.
(76 MM)
MINIMUM
RISER
GAS
CONTROL
TUBING
GAS
SUPPLY
HORIZONTAL
DROP
3 IN.
(76 MM)
MINIMUM
RISER
M3077
2
1
2
2
1
2
ALL BENDS IN METALLIC TUBING SHOULD BE SMOOTH.
CAUTION: SHUT OFF THE MAIN GAS SUPPLY BEFORE REMOVING
END CAP TO PREVENT GAS FROM FILLING THE WORK AREA. TEST
FOR GAS LEAKAGE WHEN INSTALLATION IS COMPLETE.
TWO IMPERFECT
THREADS
GAS CONTROL
THREAD PIPE THE AMOUNT
SHOWN IN TABLE FOR
INSERTION INTO GAS CONTROL APPLY A MODERATE AMOUNT OF
PIPE COMPOUND TO PIPE ONLY
(LEAVE TWO END THREADS BARE).
M3075B
PIPE
APPLY WRENCH
FROM TOP OR
BOTTOM OF GAS
CONTROL TO
EITHER SHADED AREA
WHEN FLANGE IS NOT USED
APPLY WRENCH
TO FLANGE ONLY
WHEN FLANGE IS USED
M3085A