Solaris Manual 8-091.pdf - Categories On Thermal Solutions ...

VIII. System Start-upA. Safe operation and other performance criteria were metwith gas manifold and control assembly provided onboiler when boiler underwent tests specified in AmericanNational Standard for Gas-Fired Low-PressureSteam and Hot Water Boilers, ANSI Z21.13.B. Verify that the venting, water piping, gas piping andelectrical system are installed properly. Refer to installationinstructions contained in this manual.C. Confirm all electrical, water and gas supplies are turnedoff at the source and that vent is clear of obstructions.D. Confirm that all manual shut-off gas valves between theboiler and gas source are closed.WARNINGCompletely read, understand and follow allinstructions in this manual before attemptingstart up.E. FILL ENTIRE HEATING SYSTEM WITH WATERand vent air from system. Use the following procedureon a Series Loop or multi-zoned system installed toremove air from the system while filling.WARNINGThe maximum operating pressure of thisboiler is 150 psig. Never exceed this pressure.Do not plug or change pressure reliefvalve.NOTICEIf it is required to perform a long term pressuretest of the hydronic system, the boilershould first be isolated to avoid a pressureloss due to the escape of air trapped in theboiler.To perform a long term pressure test includingthe boiler, ALL trapped air must first beremoved from the boiler.A loss of pressure during such a test, withno viable water leakage, is an indicationthat the boiler contained trapped air.1. Close full port ball valve in boiler supply piping.2. Isolate all zones by closing zone valves or shut-offvalves in supply and return of each zone(s).3. Attach a hose to the vertical hose bib located prior tothe full port ball valve in the system supply piping.(Note - Terminate hose in five gallon bucket at asuitable floor drain or outdoor area).4. Starting with one circuit at a time, open zone valveor shut-off valve in system supply and return piping.5. Open hose bib.6. Open fill valve (Make-up water line should be locateddirectly after full port ball valve in system supplypiping between air scoop and expansion tank).7. Allow water to overflow from bucket until dischargefrom hose is bubble free for 30 seconds.8. Close the opened zone valve or shut-off valve forthe zone being purged of air, then open the zonevalve or shut-off valve for the next zone to bepurged. Repeat this step until all zones have beenpurged. At completion, open all zone valves orshut-off valves.9. Close hose bib, continue filling the system until thepressure gauge indicates required system operatingpressure. Close fill valve.(Note - If make-up water line is equipped withpressure reducing valve, system will automaticallyfill to set pressure. Follow fill valve manufacturer’sinstructions).10. Open isolation valve in boiler supply piping.11. Remove hose from hose bib.F. Confirm that the water flow switch is operating properly.G. Turn on the electrical supply to the boiler and circulationsystem at the fused disconnect.H. Confirm that water flow switch is operating properly.I. Prepare to check operation.1. Obtain the gas heating value (in Btu per cubic feet)from the gas supplier.2. Connect a monometer to the pressure tapingupstream V1 on the main gas valve. Use the G 1/8test nipple provided. Reference item 7 on figure 28.3. Temporarily turn off all other gas-fired appliances.4. Turn on gas supply to the boiler gas piping.5. Purge the gas line of air.6. Reset the low gas pressure switch.7. Confirm that the supply pressure to the gas valve is14 in. w.c. or less. Refer to Table 3 for the minimumsupply pressure.39