Commissioning; Filling The Electromax Cylinder - Heatrae Sadia ELECTROMAX Installation & Servicing Instructions Manual

7.0 Commissioning

IMPORTANT : DO NOT SWITCH ON
THE ELECTRICAL SUPPLIES TO THE
ELECTROMAX UNTIL THE CYLINDER
AND PRIMARY CIRCUIT HAVE BEEN
CORRECTLY FILLED WITH WATER

7.1 Filling The Electromax Cylinder

a. Check that all connections to the
Electromax are tight.
b. Open a hot tap furthest from the
Electromax.
c. Check the Primary System Filling
Loop isolating valves are closed (see
Diagram 15).
d. Open the cold water supply isolating
valve and allow the Electromax
cylinder to fill. When water issues
from the tap, allow to run for a few
minutes to thoroughly flush through
any residue, dirt or swarf, then close
tap.
Diagram 15
Connections and
Filling Points
Primary Flow
Isolating Valve
Primary Return
Isolating Valve
Filling Loop
Isolating valve
(Primary Side)
22 Installation & Servicing Instructions
e. Open successive hot taps and any
cold outlet supplied by a balanced
take off to purge any air from the
system.
f. Check all connections (including
immersion heater connections) for
leaks and rectify as necessary.
g. The strainer housed within the Cold
Water Combination Valve should be
cleaned to remove any debris that
may have been flushed through the
main supply pipe. Refer to section 8.2,
page 27 for instructions on how to do
this.
Filling Loop
Isolating valve
Filling Loop
Flexible
Connection
(Shown fitted
for filling)
Hot Water
Outlet
Connection
Cold Water
Inlet Connection