Owner's manual

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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 commissioning section for instructions on
re-starting pump.
Cleaners, Disinfectants and Descalents
On installations where chemical disinfectants or descalents are periodically
used, the compatibility of the chemical solution regarding the pump must be
considered.
Acid based descalents and aggressive cleaning agents must not come into
contact with the pump. The pump must be removed from the system prior to the
use of these products. The system should be flushed to remove all chemicals
before the pump is re-connected.
If in any doubt as to the suitability of the chemical solutions, please contact our
Pump Assist helpline.
Cont ...
Fig. 20
Pressure vessel
Schrader valve
Single pump shown