CSVB Series II - Columbia Heating

CHECKING AND ADJUSTINGGas Valve Safety Shutdown Test!WARNINGElectrical shock hazard. Follow instructions to turnoff electric power. Failure to do so could result indeath or serious injury.Figure 14 - Automatic Gas ValveIgnition system safety shutoff device must be tested afterplacing boiler in operation.With main burners firing, disconnect ignition cable fromintermittent pilot control box. Gas valve should shut offmain burners. TURN OFF ELECTRIC POWER to boiler beforereconnecting ignition cable, to prevent electric shock.Adjust Pilot Burner1. Remove screw cover over pilot adjusting screw.2. Insert small screwdriver and adjust flame as neededSee Figure 14 & 15. Turn screw counterclockwiseto increase flame, clockwise to decrease. Replacescrew cover over pilot adjusting screw.Main Burner(S)Main burners do not require primary air adjustment and arenot equipped with primary air shutters.Main burner flames form sharp blue inner cones in softerblue outer mantel, with no yellow. Puffs of air from blowingon flame or stamping on floor will cause flames to turnorange momentarily. This is not unusual. Remain still whenobserving main burner flames. See Figure 16, Page 27 .If flame appearance is not correct, check main burnerorifices, burner throat and flame ports for dust and lintobstruction. It may be necessary to remove rollout shieldto observe main burner flames. Replace rollout shield afterobservation.Adjust Limit ControlsInstructions for each control are included with the controls.Recommended Boiler Water TemperaturesSettings can be changed after you have had some idea howthe system works. Example: If your system does not givequite enough heat in very cold weather, you can raise limitsetting to 190°F.Figure 153/8” to1/2” inFlame- Pilot Flame AdjustmentIgnition Electrode26