L.B. White 140 Owner's Manual And Instructions

Contents

L.B. White 140 Owner's Manual And Instructions Manual pdf 19 page image

TEST KIT HOSEFUEL SUPPLY VALVE(OPEN THIS VALVE TOUSE PRESSURE GAUGE)GAS SUPPLY HOSEGAS INLET OF HEATERPRESSURE GAUGE KIT20736OPENFIG. 24A. Preparation1. Obtain an L.B. White pressure gauge test kit -Part No. 20736.2. Close the fuel supply valve to the heater.3. Brush or blow off any dust and dirt on or in the vicinityof the gas control valve.4. Disconnect the gas hose from the heater.B. Gauge IInstallation1. Connect the pressure test kit between the heaer andits gas supply hose as shown in Fig. 24. Insure bothgas shut-off valves on the test kit are in the closedposition when connecting the kit to the heater andgas supply.2. Open the fuel supply valve to the heater.3. Open only the gas shut-off on the test kit to which thegas supply hose is connected.4. Adjust the thermostatic head to its maximum settingand light the heater.C. Reading PPressures1. With the heater operating at full heat output and atminimum heat, the pressure gauge should read thepressure specified on the dataplate of the zonepanel.2. Does the reading on the gauge of the test kit agreewith that specified on the dataplate? If so, then nofurther checking or adjustment is required. Proceedto Section D.3. If the pressure does not agree with that specified onthe dataplate, then the regulator controlling gaspressure to the heater requires adjustment.D. Completion1. Once gas pressure has been confirmed and/orproperly set, close the fuel supply valve to the heaterand allow the heater to burn off any gas remaining inthe gas supply hose.2. Remove the gauge kit and reconnect the heater’s gashose to the heater.3. Reconnect the heater to its electrical supply.4. Open the main fuel supply valves to the heater. Lightthe heater.5. Set thermostatic head to desired temperature.GAS PRESSURE CHECKS19