Installation Manual - Unical Lattner Condensing Hot Water Boilers

Instructions for the installer- If necessary correct the value by turning the adjustmentscrew “B” in a CLOCKWISE direction to increase the valueand in an ANTICLOCKWISE direction in order to decreaseit.C) COMPLETION OF THE BASIC ADJUSTMENTS- Check the C0 2values at the minimum and maximumoutlet- If necessary make the required adjustmentsTo ensure correct operation the C0 2valueshave to be adjusted with extreme carerespecting the values indicated in the table.- Close the sampling test point in the flue inlet/outletterminal with the appropriate cap C.MINIMUM OUTPUTADJUSTMENTSCREW (B)Tighten the maximum adjustment screw “A”in a clockwise direction until you arrive tothe abutting end, than slacken for 7 turns.Verify the boiler ignition; if the boiler goesinto lockout slacken the screw “A” again ofone turn, than retry the ignition. If the boilergoes into lockout again, carry out the aboveindicated operations until the boiler islighted.At this point carry out the burner adjustmentas previously indicated.INJECTORS – PRESSURESALKON 50Type ofGasSupplypressurein wc (kPa)CO 2level(%)minCO 2level(%)maxFan speedmin max(FL) (FH)Ø MixerinjectorsØin (mm)Check the C0 2levels often, especially at low flow rateMinimum gasconsumptionft 3 /hr (m 3 /hr)Maximum gasconsumptionft 3 /hr (m 3 /hr)Startoutput %IGV maxfunFUA (Natural)E (Propan HD)A (Natural)E (Propan HD)7 (1,74)11 (2,74)7 (1,74)11 (2,74)9.510.89.510.89.510.89.510.8242492930.22 (5,6)0.22 (5,6)FOR HIGH ALTITUDE242482830.22 (5,6)0.22 (5,6)0.038 (1,07)0.015 (0,42)0.038 (1,07)0.015 (0,42)0.173 (4,91)0.067 (1,90)0.156 (4,42)0.060 (1,71)4050405010101010ALKON 70Type ofGasSupplypressurein wc (kPa)CO 2level(%)minCO 2level(%)maxFan speedmin max(FL) (FH)Ø MixerinjectorsØin (mm)Minimum gasconsumptionft 3 /hr (m 3 /hr)Maximum gasconsumptionft 3 /hr (m 3 /hr)Startoutput %IGV maxfunFUA (Natural)E (Propan HD)A (Natural)E (Propan HD)7 (1,74)11 (2,74)7 (1,74)11 (2,74)9.510.89.510.89.510.89.510.8212181800.35 (9,0)0.35 (9,0)FOR HIGH ALTITUDE242473720.22 (5,6)0.22 (5,6)0.055 (1,56)0.021 (0,60)0.055 (1,56)0.021 (0,60)0.224 (6.35)0.087 (2,46)0.156 (5,72)0.060 (2,21)505050501212121240