CALEFFI 523160A Installation, Commissioning And Service Instructions

Also see for 523160A: Installation and commissioning manual

Contents

CommissioningAfter installation, the valve must be tested and commissioned in accordance with the instructionsgiven below, taking into account current applicable standards.1) Ensure that the system is clean and free from any dirt or debris before commissioning thethermostatic mixing valve. Be sure water hardness is less than 10 grains.2) It is recommended that the temperature is set using a suitable calibrated digital thermometer.The valve must be commissioned by measuring the temperature of the mixed water at the outlet.3) The maximum outlet temperature from the valve must be set taking account of the fluctuationsdue to simultaneous use. It is essential for these conditions to be stabilized before commissioning.4) Adjust the temperature using the adjusting knob on the valve. For safety reasons, it is advisableto limit the maximum mixed water temperature to 120°F in domestic hot water systems.Preset lockingPosition the handle to the number required. Unscrew the head screw, pull off the handle andreposition it so that the handle fits into the internal slot of the knob. Tighten the head screw.MaintenanceService tests should be carried out regularly to monitor the mixing valve performance, as deteriorationof performance could indicate that the valve and/or the system require maintenance. If, duringthese tests, the temperature of the mixed water has changed significantly in comparison with theprevious test, the details given in the installation and commissioning sections should be checkedand maintenance carried out.The following aspects should be checked regularly to ensure that the optimum performance levelsof the valve are maintained. Every 12 months at least, or more often if necessary.1) Check and clean the system filters.2) Check that any non-return valves positioned upstream of the Caleffi valve are operating correctly,without problems caused by impurities.3) Limescale can be removed from internal components by immersion in a suitable de-scalingfluid.4) When the components which can be maintained have been checked, commissioning shouldbe carried out again.Replacement partsPoint of distribution mixed temperaturegauge adaptor fits High Flow 5231series mixing valves. Threaded unionmounting replaces existing mixedoutlet with 1¼" sweat pipe connection.Removable gauge fits into temperaturewell. Gauge dial is 2" diameter andscale from 30—210ºF.Low-lead brass body.Code Description LbsNA10315 1 ¼" sweat with gauge 0.5688003A Replacement gauge 0.2Inlet check valve assembly for mountingon inlet union tail pieces of 5231 mixingvalves.Stainless steel body, acetal plasticcheck valve insert with NBR o-ring.Code Description Open Pressure LbsNA10366 Check valve assembly 1' and 1 ¼" 0.23 psi 1.0NA10367 Check valve assembly 1 ½" & 2" 0.20 psi 1.5Replacement body.Meets requirements of ANSI/NSF372-2011.Certified to: cUPC listed to ASSE1017/CSA B125.3, Low lead.ASSE 10175231High Flow BodyCode Description Min. Flow (gpm) Cv Lbs523179A 1 ½" union thread 4.4 7.6 5.0523199A 2 ½" union thread 8.8 14.2 15.0

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