Stuart Turner MONSOON EXTRA S1.4 bar SINGLE Installation Instructions Manual page 5

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ASSEMBLY
Assembly is the reverse of the disassembly method.
Pressure vessel to be hand tightened.
Grub screws torque setting - 2.2 Nm
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PRESSURE VESSEL REPLACEMENT/CHARGE
Should ever the need arise for the vessel (item 18) to be replaced or have its air charge checked
or replenished, it should be carried out as follow:-
a) Isolate pump electrically.
b) Isolate hot and cold water supplies via the integral pump isolating valve
located in the flexible hoses.
c) Release system water pressure by opening a system outlet (tap).
d) Check air charge at Schrader valve using a tyre pressure gauge. The pressure should be set
at 0.9 bar (13 psi).
e) Replenish air charge if required by injecting air into the vessel via the Schrader valve using a
car or bicycle pump, ensuring a system outlet valve (tap) remains open during this procedure
to allow the vessel to exhaust any excess water.
f) Close all system taps, open hot and cold inlet pump isolating valves, turn on electrical power.
g) After maintenance is completed prime pump before re-starting.
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INITIAL OPERATING INSTRUCTIONS
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Do not run pump dry. Allow the water to be pumped to enter the pump body thus ensuring
the seal is lubricated before switching the pump on. Failure to do this will damage the seal.
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Carefully check pump and pipework for leaks whilst pump running and stationary before
leaving the installation unattended.
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