GAS VALVE, DUAL SAFETY - REPLACEMENT
A.Remove appropriate control box cover.
B.Remove incoming gas line.
C.Remove screws from incoming nipple mounting bracket.
D.Remove incoming nipple.
E.Remove bypass tube assy.
F.Disconnect pipe union.
G.Disconnect wiring from control valve (four [4] push on connectors), make note of wire numbers and location for reinstallation.
H.Remove gas piping from old valve and install on new one.
I.Reassemble in reverse order and check system operation. Set manifold pressure on gas valve. Pressure should be 3.5 in W.C. Nat., 10 in W.C. L.P.
NOTE: Check all gas line fittings for leaks, check and adjust manifold pressure.
MANIFOLD ADJUSTMENT
SCREW LOCATED UNDER
COVER SCREW
FRONT VIEW
PILOT |
LINE |
CONNECTION |
MANIFOLD PRESSURE ADJUSTMENT CONNECTION
MANIFOLD ADJUSTMENT SCREW LOCATED UNDER COVER SCREW
TOP VIEW
TEMPERATURE REGULATING VALVE - REPLACEMENT
A.Remove appropriate control box cover
B.Remove bypass tube assy.
C.Remove four (4) nuts from burner orifice bracket.
D.Disconnect pipe union.
E.Disconnect two (2) wires from valve and remove assembly.
F.Remove gas piping from old valve and install on new one.
G.Reassemble in reverse order and check system operation. NOTE: Check all gas line fittings for leaks and insure valve gas flow is in proper direction .
MAIN ORIFICE - REPLACEMENT
A.Remove appropriate control box cover.
B.Remove bypass tube assembly.
C.Remove four (4) nuts from burner orifice bracket.
D.Disconnect pipe union.
Low Profile – | 13 |
