Electrical Checks - Heatrae Sadia ELECTROMAX Installation & Servicing Instructions Manual

d. Check the charge pressure of the
Vessel using a tyre pressure gauge. The
pressure (with system de-pressurised)
should be 1.0 to 1.2 bar. If lower than
the required setting it should be re-
charged using a tyre pump (Schrader
valve type). DO NOT over charge. Re-
Top Panel
Primary
Expansion
Vessel
Primary Expansion
Vessel Air Valve
(Fitted with dust cap)
Diagram 21 Primary Expansion Vessel
Position
check the charge pressure and when
correct replace the dust cap.
e. Connect the Filling Loop. Open the
Filling Loop isolating valves and allow
system to re-pressurise to approx. 1.5
bar.
f. Close the Filling Loop isolating valves
and remove the flexible hose.
g. Open the primary flow and return
isolating valves.

8.7 Electrical checks

a. Inspect all electrical terminations for
signs of over-heating.
b. Check all terminations are tight.
c. Check cable glands are tightened and
grip cables securely.
d. Replace all panels before re-starting
system.
Pump
Installation & Servicing Instructions 29