CALEFFI 523160A Installation, Commissioning And Service Instructions

Also see for 523160A: Installation and commissioning manual

Contents

Caleffi North America, Inc.3883 West Milwaukee RoadMilwaukee, WI 53208T: 414.238.2360 F: 414.238.2366TroubleshootingUnder normal operating conditions the Caleffi 5231 series thermostatic mixing valve will provide avery high level of performance. However, in some circumstances, where our maintenance plan is notfollowed, the following problems may arise.Symptom Cause Corrective actionHot water at the cold taps a) Operation of check valveis hindered; check valve isnot sealing correctlyb) Check valves not fitted• Replace faulty check valvesFluctuating mixer watertemperature a) Erratic supplytemperatures at the inletsof the valveb) Starvation of the watersupplies at the inlets ofthe valvec) Incorrect commissioningof the valve• Restore inlet conditionswithin the limits of the valveErratic flow of water fromthe valvea) Insufficient water suppliesb) Fluctuations in supplypressures/temperaturesc) Adverse effect created byother draw off points onthe system• Stabilize inlet supplyconditionsNo flow of water fromthe valve a) In-line filters blockedb) Insufficient supplypressuresc) Debris obstructingvalve operation• Clean filters• Restore inlet supplies• Clean debris or scalefrom valve04-30-15

/ 8

Related manuals for CALEFFI 523160A