836-837 TANDEM - Romstal
836-837 TANDEM - Romstal
836-837 TANDEM - Romstal
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<strong>836</strong>-<strong>837</strong> <strong>TANDEM</strong>MAIN FEATURES• Electric modulator of the gas outlet pressure:stepped (<strong>836</strong> <strong>TANDEM</strong>)or continuous (<strong>837</strong> <strong>TANDEM</strong>).• Two near-silent automatic shut-off valves in class B(class A on request).• Servo-controlled pressure regulator.• Pilot outlet (optional) with gas flow restrictor.• Inlet and pilot filters.• Inlet and outlet pressure test points.• Threaded gas inlet and outlet with provision forflange connection.• Connection for pressure regulator/combustionchamber compensation.DESCRIPTION2 4 31 On-off solenoid valve EV12 Gas outlet pressure modulator53 Adjustment screw for gas flow to thepilot4 Inlet pressure test point5 Outlet pressure test point10 1 66 On-off solenoid valve EV27 Pilot outlet8 Main gas outlet9 Holes (M5) for fixing flanges10 Connection for pressure regulator/combustion chamber compensation798214<strong>836</strong>-<strong>837</strong> <strong>TANDEM</strong>
CODES<strong>836</strong> <strong>TANDEM</strong>CodesAmbientEV Electric supplyEVModulator Electric supplyPressureAdj. StepPilot outlet Maximum gasTemperatureClassRegulator range opening rangeinlet pressurerange [°C][mbar](seconds][mbar]0<strong>836</strong>010 0÷60 220/240 V - 50 Hz B 230 V RAC 2-50 / No 600<strong>836</strong>011 0÷60 220V - 60 Hz B 220 V RAC 2-50 / No 600<strong>836</strong>016 0÷60 230/240 V - 50 Hz A 230 V RAC 2-50 / No 600<strong>836</strong>017 0÷60 220/240 V - 50 Hz B 240 V RAC 2-37 / No 600<strong>836</strong>018 0÷60 220/240 V - 50 Hz B 240 V RAC 2-37 / Yes 600<strong>836</strong>019 0÷60 220/240 V - 50 Hz B 230 V RAC 6-50 7-12 No 600<strong>836</strong>021 -20÷60 220/240 V - 50 Hz B 230 V RAC 6-50 7-12 Yes 60<strong>836</strong>-<strong>837</strong> <strong>TANDEM</strong>
<strong>837</strong> <strong>TANDEM</strong>CodesAmbientEV Electric supplyEVModulator Electric supplyPressureAdj. StepPilot outlet Maximum gasTemperatureClassRegulator range opening rangeinlet pressurerange [°C][mbar](seconds][mbar]0<strong>837</strong>010 0÷60 220/240 V - 50 Hz B 16 V DC 310 mA 2-18 / No 500<strong>837</strong>011 0÷60 220/240 V - 50 Hz B 16 V DC 310 mA 3-37 / No 500<strong>837</strong>013 0÷60 220/240 V - 50 Hz B 28 V DC 165 mA 3-37 / No 500<strong>837</strong>023 0÷60 220/240 V - 50 Hz B 28 V DC 165 mA 2-20 / No 500<strong>837</strong>024 0÷60 220/240 V - 50 Hz B 28 V DC 165 mA 3-37 / No 500<strong>837</strong>025 0÷60 220/240 V - 50 Hz B 28 V DC 165 mA 3-37 / Yes 500<strong>837</strong>029 0÷60 220/240 V - 50 Hz B 28 V DC 165 mA 2-20 / P 500<strong>837</strong>033 0÷60 220/240 V - 50 Hz B 28 V DC 165 mA 2-18 / No 500<strong>837</strong>034 0÷60 24 V - 50 Hz (Low Energy) B 28 V DC 165 mA 1.5-25 / No 500<strong>837</strong>035 0÷60 24 V - 50 Hz (Low Energy) B 28 V DC 165 mA 2.5-37 / No 500<strong>837</strong>038 0÷60 220/240 V - 50 Hz B 28 V DC 165 mA 3-37 / P 500<strong>837</strong>100 0÷60 120 V - 60 Hz B 16 V DC 310 mA 3-37 / No 500<strong>837</strong>301 -20÷60 220/240 V - 50 Hz B 16 V DC 310 mA 2-20 / No 500<strong>837</strong>302 -20÷60 220/240 V - 50 Hz B 16 V DC 310 mA 3-37 / No 500<strong>837</strong>303 -20÷60 220/240 V - 50 Hz B 28 V DC 165 mA 3-37 / No 500<strong>837</strong>304 -20÷60 24 V - 60 Hz (Low Energy) B 28 V DC 165 mA 2÷25 / No 500<strong>837</strong>305 -20÷60 220/240 V - 50 Hz B 16 V DC 310 mA 2-18 / No 50PPlugged (0972041)216<strong>836</strong>-<strong>837</strong> <strong>TANDEM</strong>
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