Design Dynamics VF-24N-PJD Owner's Operation And Installation Manual

Also see for VF-18N-PJD: Owner's operating & installation manual

Contents

Design Dynamics VF-24N-PJD Owner's Operation And Installation Manual Manual pdf 14 page image

www.desatech.com 111826-04A14INSTALLATIONContinuedPRESSURE TESTING HEATER GASCONNECTIONS1. Open equipment shutoff valve (see Figure 13).2. Open main gas valve located on or near gasmeter for natural gas or open propane/LPsupply tank valve.3. Make sure control knob of heater is in the OFFposition.4. Check all joints from equipment shutoff valveto control valve (see Figure 14 or 15). Applynoncorrosive leak detection fluid to all joints.Bubbles forming show a leak.5. Correct all leaks at once.6. Light heater (see Operating Heater). Checkall other internal joints for leaks.7. Turn off heater (see To Turn Off Gas to Appli-ance, page 17 or 18).Figure 13 - Equipment Shutoff ValveOpenClosedEquipmentShutoff ValveFigure 15 - Checking Gas Joints forPropane/LP GasControl Valve LocationPropane/LPSupply TankEquipment Shutoff ValveFigure 14 - Checking Gas Joints forNatural GasGas MeterEquipment Shutoff ValveControl ValveLocation3. Pressurize supply piping system by eitheropening propane/LP supply tank valve forpropane/LP gas or opening main gas valvelocated on or near gas meter for natural gasor using compressed air.4. Check all joints of gas supply piping system.Apply noncorrosive leak detection fluid to alljoints. Bubbles forming show a leak.5. Correct all leaks at once.6. Reconnect heater and equipment shutoffvalve to gas supply. Check reconnected fit-tings for leaks.Test Pressures Equal To or Less Than1/2 PSIG (3.5 kPa)1. Close equipment shutoff valve (see Figure 13).2. Pressurize supply piping system by eitheropening propane/LP supply tank valve forpropane/LP gas or opening main gas valvelocated on or near gas meter for natural gasor using compressed air.3. Check all joints from gas meter to equipmentshutoff valve for natural gas or propane/LP sup-ply to equipment shutoff valve for propane/LP(see Figure 14 or 15). Apply noncorrosive leakdetection fluid to all joints. Bubbles formingshow a leak.4. Correct all leaks at once.OPERATING HEATERFOR YOUR SAFETYREAD BEFORE LIGHTINGWARNING: If you do not fol-low these instructions exactly,a fire or explosion may resultcausing property damage, per-sonal injury or loss of life.A. This appliance has a pilot which must belighted by hand. When lighting the pilot,follow these instructions exactly.B. BEFORE LIGHTING smell all around theappliance area for gas. Be sure to smell nextto the floor because some gas is heavier thanair and will settle on the floor.