Stuart-turner Techflo TP 60TNH Manual do Utilizador descarregar pdf (Página 17)

- 17 -

Cont ...

6 MAINTENANCE

6.11 Isolate the unit from the electrical supply before commencing any

work.

6.12 Turn off water supplies to the pump and release pressure by

opening water outlets before attempting maintenance.

6.13 Pressure vessel: Should ever the need arise for the vessel to have its air

charge checked or replenished, it should be carried out as follows: -

a) Isolate pump electrically.

b) Isolate hot and cold water supplies via the integral pump isolating valve

located in the flexible hoses (see Section 3 - Pump Connections).

c) Release system water pressure by opening a system outlet (tap).

d) Check air charge at Schrader valve (Fig. 17) using a tyre pressure gauge.

Model Vessel Pressure

kPa bar psi

All Models 150 1.5 21.75

Fig. 17

Pressure vessel

Schrader valve

Single pump shown

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 refer to Section 5 - Commissioning for

instructions on re-starting pump.

1 2 ... 12 13 14 15 16 17 18 19 20 21 22 ... 27 28

Sem comentários

Stuart-turner Techflo TP 60TNH Manual do Utilizador Página 17