Bristan ST PUMP 15TN, Инструкция по установке, эксплуатации и обслуживанию

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Symptoms Probable Cause Recommended Action
No hot water
(cont) All hot water has
been used Check tank volume is adequate
Faulty
thermostatic mixer
valve
Consult makers instructions
Pump runs on
with outlets
closed
Leak in system Check tap washers, w/c valve washers,
pipe joints
Damaged reed
switch or P.C.B. If pump continues to run, this indicates a
closed circuit in either the flow switch reed
or P.C.B. in the terminal box
Contact Bristan
Jammed flow
switch Remove outlet hoses and check that flow
switch sits in lowest position
Check float for free movement
Pump starts with
all outlets closed
Air in system
Bleed through system without pump
running until hot and cold services run with
no air
Flexible hose
leaks Not fitted
correctly Check that the hose is pushed firmly onto
the pump inlet/outlet connections and
pipework
Damaged ‘O’-rings Check copper pipe ends are cleanly cut and
deburred