Vanguard Heating SBVBN(A) - Manual (Page 13)

13 105500
OWNER’S MANUAL
Pressure Testing Gas Supply
Piping System
Test Pressures In Excess Of 1/2 PSIG
(3.5 kPa)
1. Disconnect fireplace and its individual
manual shutoff valve from gas supply
piping system. Pressures in excess of 1/2
psig (3.5 kPa) will damage fireplace gas
regulator.
2. Cap off open end of gas pipe where
manual shutoff valve was connected.
3. Pressurize supply piping system by ei-
ther opening propane/LP supply tank
valve for propane/LP gas fireplace or
opening main gas valve located on or near
gas meter for natural gas fireplace, or
using compressed air.
4. Check all joints of gas supply piping
system. Apply commercial leak test
solution to all gas joints. Bubbles form-
ing show a leak. Correct all leaks at
once.
5. Reconnect fireplace and manual shutoff
valve to gas supply. Check reconnected
fittings for leaks.
CHECKING GAS
CONNECTIONS
WARNING: Test all gas pip-
ing and connections for leaks
after installing or servicing. Cor-
rect all leaks at once.
WARNING: Never use an open
flame to check for a leak. Apply
commercial leak test solution to all
gas joints. Bubbles forming show
a leak. Correct all leaks at once.
Installation Items Needed
• 5/16" hex socket wrench or nut-driver
• sealant (resistant to propane/LP gas, not
provided)
1. Open lower door panel.
2. Route flexible gas line (provided by
installer) from manual shutoff valve to
fireplace. Route flexible gas supply line
through slot in stove bottom and attach
to valve.
CONNECTING FIREPLACE
TO GAS SUPPLY
FIREPLACE
INSTALLATION
Continued
Flare Union
To Fireplace
Gas Valve
Flexible Gas Line from
Fireplace Gas Valve
Provided with Fireplace
Flexible Gas Line from
Manual Shutoff Valve
Provided by Installer
Manual Shutoff Valve
To Gas Supply
(Natural)
To External
Regulator
(Propane/LP)
Figure 27 - Attaching Flexible Gas Lines Together
Continued
Figure 26 - Gas Connection
* The A.G.A. design-certified manual shutoff valve may be supplied with the appliance or
you can purchase it from your dealer.
A.G.A. Design-
Certified Manual
Shutoff Valve with
1/8" NPT Tap*
3" Minimum
LP - From External
Regulator (11" W.C. to
14" W.C. Pressure)
Approved Flexible
Gas Line
Cap Pipe Nipple Tee Joint
Sediment Trap/Drip Leg
Natural - From Gas
Meter (5" W.C. to 10.5"
W.C. Pressure )
3. Attach a 45° flare union gas connector
to flexible gas line from gas supply (see
Figure 27). Connect flare union to flex-
ible gas line attached to gas regulator
of fireplace (see Figure 27).
4. Check all gas connections for leaks. See
Checking Gas Connections.