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Vermont Castings VCBVMN/MP & VCPVMN/MP Room Heaters
cleaning. Locate sediment trap where trapped matter is
not likely to freeze. A sediment trap prevents moisture
and contaminants from going into the heater controls. If
the sediment trap is not installed or is installed wrong,
the heater may not operate properly.
Test for gas leaks with a mild soap and water solution.
Apply water/soap solution with brush only -
do not over
apply. NEVER test with an open flame.
Pressure Test Gas Supply Piping System
The appliance and its individual shut-off valve must be
disconnected from the gas supply piping system during
any pressure testing of the system at test pressures in
excess of 1/2 psi.
The appliance must be isolated from the gas supply
piping system by closing the individual manual shut-off
valve (Fig. 7) during any pressure testing of the gas
supply system at test pressures equal to or less than
1/2 psi.
Open
Closed
Manual
Shut-Off
Valve
Manual
Shut-Off
Valve
Control Valve
RH104
Fig. 7 Manual shut-off valve location.
Leak Testing Heater Gas Connections
1. Open manual shut-off valve.
2. Open main gas valve located near gas meter.
3. Make sure control knob of heater is in the OFF
position.
4. Check all joints from manual gas valve up to control
valve and including the manifold assembly. Apply the
soap solution around the connections, valve and
tubing. Soap bubbles will appear where a leak is
present.
5. If a leak is present, immediately turn off gas supply,
tighten any leaky fittings, turn gas on and recheck.
6. To check burner and safety valve, the burner must
be lit. (See Operating Instructions) Check the rest of
the connections for leaks.
7. Turn off the heater.