Hayward H-Series Models: ABG1001 H100ID1 - Page 4

 &OHDQILOWHUWKRURXJKO\ 2. Set heater thermostat to highest setting.  6WDUWILOWHUSXPS0DNHVXUHDOODLULVRXWRIZDWHU lines and complete system is full of water.  3ODFHD´DOOHQKHDGZUHQFKLQWKHDGMXVWLQJ  VRFNHWRQWKHIURQWRIWKHVZLWFKDQGWXUQLW Section II. Installer  FORFNZLVHWRLQFUHDVHWKHSUHVVXUHUHTXLUHGWRFORVH  WKHVZLWFKWKLVPD\EHUHTXLUHGLIWKHKHDWHULV  LQVWDOOHGPRUHWKDQIHHWEHORZZDWHUOHYHO   7RFKHFNRSHUDWLRQWXUQWKHSXPSRQDQGRIIVHYHUDO times. The heater should shut off immediately when the pump is shut off. Gas line testing: 7KHDSSOLDQFHDQGLWVJDVFRQQHFWLRQVKDOOEHOHDNWHVWed before placing in operation. The heater and its individual shutoff valve must be disconnected from the gas supply piping system during any pressure testing of that system DWWHVWSUHVVXUHVLQH[FHVVRI»SVLJ7KHKHDWHUPXVWEH isolated from the gas supply piping system by closing its individual manual shutoff valve during any pressure testing of the gas supply piping system at test pressure equal to or OHVVWKDQ»SVLJ The gas supply line must be capped when not connected. After pressure testing, reconnect the gas piping to the gas valve. Turn gas supply on and test all pipe and pilot tubLQJMRLQWVIRUOHDNV8VHDVRDSDQGZDWHUVROXWLRQ%XEEOHV IRUPLQJLQGLFDWHDOHDNNever use a open flame (match, lighter, torch, etc.) as a leak could cause an explosion or injury.6KXWRIIJDVDQGIL[HYHQWKHVPDOOHVWOHDNLPPHGLDWHO\%HVXUHWROHDNWHVWWKHPDLQEXUQHUILWWLQJVXVLQJ the above procedure once the heater is in operation. Gas pressure test procedure: The following gas pressure adjustments are important to proper operation of the heater. Incorrect settings can cause improper operation.  7XUQSXPSPDLQJDVYDOYHDQGKHDWHUSRZHURQ6WDUW heater following lighting instructions.  8VLQJDPDQRPHWHUGHWHUPLQHWKHLQOHWJDVSUHVVXUH 7KHLQOHWJDVSUHVVXUHPXVWQRWH[FHHG ZDWHUFROXPQSUHVVXUH IRU1DWXUDOJDVRU´:& for Propane gas. ([SRVXUHWRKLJKHUSUHVVXUHVFDQ GDPDJHWKHJDVFRQWUROYDOYHFDXVLQJOHDNVRUGLDphragm rupture. This damage could result in fire, explosion or burner overfiring leading to carbon monoxide SRLVRQLQJ7KHLQOHWJDVSUHVVXUHPXVWQRWEHEHORZ IRU1DWXUDOJDVDQGIRU3URSDQH7KHKHDWHUPD\ fail to operate at low inlet gas pressures. If the inlet gas pressure is too high or too low, the installer must contact the gas supplier and request that the inlet pressure to the heater be adjusted.  8VLQJDPDQRPHWHUGHWHUPLQHWKHJDVRSHUDWLQJSUHVsure. Manifold pressure for both natural and propane gas LV´:&7KHJDVYDOYHLVSUHVHWWRRSHUDWHDWWKLV pressure, no adjustment is necessary. Gas pipe size: Figure 4 Follow local gas codes for proper gas line material selection (copper, iron or plastic etc.) LOW PRESSURE NATURAL GAS Pipe Sizing: (Based upon gas pressure of 0.5 psig or less and a pressure drop of 0.5" W.C.) Distance from Meter (Natural Gas) 0 to 25 feet 25 to 100 feet Iron Pipe 1/2" 3/4" 100 to 200 feet 1" LOW PRESSURE PROPANE GAS PIPE SIZING "SINGLE STAGE": (Based upon gas pressure of 11" W.C. inlet pressure and a 0.5" W.C. pressure drop) Distance from Tank (propane) 0 to 25 feet 25 to 100 feet 100 to 200 feet Iron Pipe 3/8" 1/2" 3/4" Tubing 5/8" 3/4" 7/8" It is VERY IMPORTANT when installing a propane heater on a two (2) stage regulation system, to follow the gas line sizing chart below-without exception. HIGH PRESSURE "TWO STAGE" SYSTEMS: MGH PRESSURE PROPANE GAS PIPE SIZING "FIRST STAGE": (Based upon gas pressure of 10 psig inlet pressure at a pressure drop of 1 psi.) Distance from outlet of 1st stage regulator to inlet of 2nd stage regulator 0 to 200 feet Iron Pipe 1/2" Tubing 1/2" LOW PRESSURE PROPANE GAS PIPE SIZING "SECOND STAGE" (Based upon gas pressure of 11 inches W.C. inlet pressure at a pressure drop of 05 inch W.C.) Distance from outlet of 2nd stage regulator to inlet of gas valve 0 to 10 feet Iron Pipe 1/2" Tubing 1/2" 4