Heatrae Sadia Electromax Installation Guide - Advanced Water
Heatrae Sadia Electromax Installation Guide - Advanced Water
Heatrae Sadia Electromax Installation Guide - Advanced Water
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pump (see Diagram 40)<br />
a. Drain primary circuit.<br />
b. Unscrew top of Pump electrical housing<br />
and remove by pulling upwards.<br />
c. Unscrew Pump cable securing gland.<br />
Disconnect Pump connections from<br />
terminals by pressing the spring<br />
loaded clips. Remove Pump cable.<br />
d. Unscrew the union nuts from each end<br />
of the Pump body and slide back along<br />
pipework.<br />
e. The Pump can now be lifted from the<br />
unit.<br />
f. Replacement is a reversal of the<br />
above procedure. Ensure the Pump<br />
sealing washers are correctly located<br />
before tightening union nuts. Ensure<br />
the correct electrical connections are<br />
made (Brown wire to “L” terminal, Blue<br />
wire to “N” terminal, Green/Yellow wire<br />
to “ “ terminal). Secure the electrical<br />
cable by tightening the Cable Gland.<br />
<br />
Pressure Relief Valve (see Diagram 41)<br />
a. Drain primary circuit.<br />
b. Unscrew the Pressure Gauge<br />
connection and remove from Pressure<br />
Relief Valve body.<br />
c. Unscrew compression connections at<br />
inlet and outlet of the valve.<br />
d. Remove Pressure Relief Valve.<br />
e. Replacement is a reversal of the above<br />
procedure. Ensure all connections are<br />
correctly made and tight.<br />
Diagram 40 Pump Removal<br />
Pump Extension<br />
Diagram 41 Pressure<br />
Relief Valve R em oval<br />
Pressure<br />
Relief<br />
Valve<br />
Tem perature/<br />
Pressure<br />
Relief<br />
Valve<br />
Boost<br />
Immersion H eater<br />
Pump<br />
Note: Fascia Panel not shown for clarity<br />
Pressure G auge<br />
C onnection<br />
Auto Air<br />
Vent<br />
O Ring<br />
O Ring<br />
Pump<br />
Union<br />
Nuts<br />
38 <strong>Installation</strong> & Servicing Instructions