Laars mascot ft MFTHW Installation And Operation Instructions Manual

Contents

Laars mascot ft MFTHW Installation And Operation Instructions Manual Manual pdf 36 page image

LAARS Heating SystemsPage 344.10 Gas Supply PressureThe appliance and its individual shut-off valve must be disconnected from the gas supply piping system during anypressure testing of the system at test pressures in excess of 1/2 psi (3.5 kPa).The appliance must be isolated from the gas supply piping system by closing its individual manual shut-off valveduring any pressure testing of the gas supply piping system at test pressures equal to or less than 1/2 psi (3.5 kPa).Loosen the pressure port bolts before you check the gas inlet pressure.Inlet Gas Pressure PortManifold Pressure PortInlet Gas Pressure Port Manifold Pressure PortCAUTIONThe minimum and maximum inlet gas line pressures must beNatural Gas LP GasMaximum Pressure 10.5˝ WC Maximum Pressure 13.0” WCMinimum Pressure 3.5˝ WC Minimum Pressure 8.0” WCGas Valve199 MBHGas Valve80 - 140 MBH