Raypak 302-902 Installation And Operating Instructions Manual

Raypak 302-902 Installation And Operating Instructions Manual Manual pdf 55 page image

SECTION N: HI-DELTA INITIAL START-UP1.0 TOOLS NEEDEDï One 12-0-12, 24î scale manometerï 6-0-6, 12î scale manometersï 7/16î open end wrenchï 1/2î open end wrenchï Screwdriverï Volt meterï 3/16î Allen wrenchï Jumper cable2.0 PREPARATION FOR START-UPWARNING: DO NOT TURN ON GAS AT THIS TIME2.1 Check Power SupplyWith volt meter at incoming power check voltage between:Hot - Common (~120 VAC)Hot - Ground (~120 VAC)Common - Ground (< 1 VAC)If Common - Ground is > 1 VAC - STOP: Contact electrician to correct ground failure. Warning: Failure to do this mayburn out 120V-24V transformer, or may cause other safety control damage or failure.2.2 Attach Manometers to Measure Pressuresï Attach 24" scale manometer to the first main gas shut-off valve pressure tapping.ï Attach one 12" scale manometer to the outlet side of the second main gas shut-off valve pressure tapping.ï Attach one 12" scale manometer to ó Pull rubber tube from air pressure switch off the aluminum tubing andconnect the manometer using a tee.Turn Off Main Gas Valve;2.3 Check the Gas Supply Pressure1. Slowly turn on main gas shut-off valve;2. Read the gas supply pressure from the manometer; minimum supply pressure for natural gas is 5î W.C.,recommended supply is 7î W.C., minimum supply pressure for propane is 11î W.C.3. If pressure is > 14" W.C.; Turn off the valve;4. Check if the service regulator is installed and/or adjust the service regulator;55